January Weather in Port Chalmers, New Zealand

Last updated: August 31, 2025

January in Port Chalmers, New Zealand boasts a vibrant climate characterized by a maximum temperature soaring to 31°C (88°F), while the average settles around a mild 15°C (60°F). Residents and visitors can expect pleasant days, though nighttime temperatures can dip to a cool 5°C (42°F). The month is also marked by 13 days of rain, accumulating a total of 96 mm (3.8 in) of precipitation, creating a humid atmosphere with around 79% humidity. This blend of warmth and moisture sets the stage for lush landscapes and invigorating summer experiences along the stunning coast.

January Temperature in Port Chalmers

In Port Chalmers, New Zealand, January showcases a delightful warmth, with temperatures ranging from a mild 5°C (42°F) to a sizzling 31°C (88°F), making it one of the hottest months of the year. The average temperature sits comfortably at 15°C (60°F), providing a perfect backdrop for summer activities and outdoor adventures. As the month unfolds into February, the weather remains similarly agreeable, edging just a bit warmer with max temperatures reaching 32°C (91°F), while the minimum dips slightly to 2°C (37°F). This trend towards warmer days is tempered as March approaches, introducing a gradual decline with averages settling at 14°C (57°F) and highs dropping to 29°C (85°F). The gradual cooling continues into autumn, hinting at the region's distinct seasonal shifts, starting with April’s average of 11°C (52°F), which forecasts the chillier months ahead while still celebrating the remnants of summer warmth.

January Weather in Port Chalmers: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Port Chalmers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Chalmers, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec605957524743424548515558
Data source: Temperature data for Port Chalmers generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Port Chalmers

In January, Port Chalmers experiences a notable precipitation of 96 mm (3.8 in), falling over approximately 13 days. This month ranks among the wetter times of the year, hinting at the lingering summer patterns as rainfall begins to taper off into February, where it slightly increases to 100 mm (3.9 in) but drops to just 10 days of rain. As the seasons shift towards autumn, March sees a significant reduction in rainfall, plummeting to 52 mm (2.1 in). This downward trend in precipitation continues as the region moves into the cooler months. However, the early months of the year, especially January and November—which tie with 96 mm of rainfall—set the tone for an overall wetter climate, while later months like June and July hover around the 37 mm to 63 mm mark, showcasing distinct seasonal fluctuations in Port Chalmers' weather patterns.

January Precipitation Trends in Port Chalmers

The chart displays monthly precipitation patterns in Port Chalmers, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Port Chalmers, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec96100536945376340578196105
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Port Chalmers

In January, Port Chalmers experiences a relatively high average humidity of 79%, setting the tone for a summer that gradually trends towards more humid conditions. Following this, humidity dips slightly to 76% in February before climbing back up to 78% in March. As autumn approaches, the humidity continues to rise, reaching its peak at 85% in both June and July, reflecting the region's transition into winter. The humidity levels remain elevated throughout the colder months, slightly decreasing in October to 80%, before settling back to 81% in December. This pattern highlights a fluctuant yet primarily humid climate, with the most persistent moisture evident during the middle of the year, making Port Chalmers a consistently damp locale throughout the seasons.

January Average Humidity in Port Chalmers

This chart illustrates the average monthly humidity levels in Port Chalmers, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Port Chalmers is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%78%81%84%85%85%84%83%80%78%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Port Chalmers

In January, Port Chalmers basks in a highly intense UV Index of 13, placing it in the extreme exposure category, where just 10 minutes of unprotected sun can lead to skin damage. This trend of extreme UV levels continues into February, with an index of 12, before dipping slightly in March to a still significant 9, categorized as very high. As autumn approaches, UV exposure moderates, reflecting a drop to 5 in April and May, where the burn time extends to 30 minutes. By mid-year, values stabilize at lower levels, reaching a UV Index of 2 in both June and July, indicating a low risk for sunburn. However, as spring returns, the UV Index climbs back up, suggesting that the risk is moderate in August and September, before spiking again to very high levels in October and November. This cyclical pattern showcases the importance of sun safety of all months, especially in January and February. For more details, visit Port Chalmers UV Index.

Maximum UV Index Levels in Port Chalmers for January

The chart shows the monthly maximum UV Index (UVI) for Port Chalmers in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Port Chalmers typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312953223581012
Data source: Port Chalmers January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Port Chalmers

In January, Port Chalmers basks in an impressive 253 hours of sunshine, setting a vibrant tone for the year ahead. This radiant start transitions into February, which boasts even more sunlight at 277 hours, creating a warm, inviting atmosphere perfect for outdoor activities. As the month turns to March, the sun continues to shine brightly, matching January's totals, before the days gradually shorten through April and May, where sunshine dips to 213 and 188 hours, respectively. By mid-year, June sees a further reduction to 158 hours, signaling the chill of winter. However, as spring approaches, sunshine returns with a steady rise through July and August, reaching 171 and 197 hours. The trend continues upward into the spring months, with September clocking 240 hours and a remarkable increase in November to 296 hours, culminating in the peak of sunshine in December with an impressive 319 hours. The ebb and flow of sunlight throughout the year beautifully captures the seasonal transitions in this charming coastal town.

Monthly Sunshine Duration in Port Chalmers: January Highlighted

The January sunshine duration represents the total number of hours Port Chalmers experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec253h277h253h213h188h158h171h197h240h253h296h319h
Data source: Port Chalmers January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Chalmers During January

In Port Chalmers, New Zealand, the likelihood of experiencing sunny weather in January hovers at 27%, indicating that while the month offers glimpses of sunshine, it is a less predominant feature. As the year progresses, there is a notable upward trend, with February seeing a jump to 34% and continuing to climb through the autumn months, peaking at 47% in April. This suggests a gradual transition into sunnier conditions, with March and April promising more reliable sunny days. Interestingly, the chance of sun dips again in the cooler months, only to rebound with increased probabilities through spring, highlighting a distinct seasonal pattern in this picturesque coastal town.

Percentage of Sunny Days in January in Port Chalmers

The chart illustrates the percentage of sunny days in Port Chalmers throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Port Chalmers experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%34%40%47%44%33%35%44%46%27%28%28%
Data source: Port Chalmers January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Chalmers in January

In January, Port Chalmers basks in a generous 15 hours of daylight, making it the peak of summer and a perfect time for outdoor activities. As the month transitions to February, daylight begins to wane slightly to 13 hours, hinting at the approach of autumn. This gradual decrease continues into March with 12 hours of daylight, and by April, the days shrink further to 10 hours, ushering in the cooler seasons. May sees just 9 hours of light, while June, the winter month, offers only 8 hours of daylight, presenting a stark contrast to the summer sun. However, this trend reverses beginning in July, where daylight inches back up to 9 hours and continues to recover through August (10 hours) and September (11 hours). By October, daylight extends again to 13 hours, and November sees nearly the same with 14 hours. Finally, December concludes the year with another 15-hour stretch, reflecting the cyclical nature of daylight that characterizes life in this charming coastal community.

Average Daylight Hours in Port Chalmers for January

The chart illustrates the variation in daylight duration in Port Chalmers throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 15m13h 58m12h 21m10h 45m9h 23m8h 41m9h 2m10h 13m11h 46m13h 23m14h 51m15h 38m
Data source: Port Chalmers daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Port Chalmers

In January, Port Chalmers enjoys the refreshing embrace of a brisk 4.2 m/s (9 mph) wind, setting a vibrant tone for the summer months. This gusty start contrasts with the subsequent weeks, as February sees a slight dip to 3.6 m/s (8 mph), maintaining a gentle breeze ideal for leisurely coastal strolls. The trend continues into March and April, where winds gradually subside, reaching a calm 3.0 m/s (7 mph) by mid-autumn, creating a tranquil atmosphere that invites relaxation. As winter approaches, from June through August, the winds slightly rebound, ranging from 2.9 m/s (6 mph) to 3.7 m/s (8 mph), signaling a shift in seasonal dynamics. Interestingly, October mirrors January's breeziness at 4.2 m/s (9 mph), offering a refreshing reminder of summer as the year winds down. This cyclical pattern reveals Port Chalmers’ unique climatological dance, where each month brings its distinct character of wind, enhancing the region's charm throughout the year.

Average January Wind Speed in Port Chalmers

The chart displays monthly wind speed patterns in Port Chalmers, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.2 m/s3.63.43.03.22.93.33.73.84.23.43.7
Data source: Port Chalmers January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Port Chalmers Compares to Other Months

Weather in Port Chalmers varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Port Chalmers, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between January and February, January experiences slightly warmer temperatures, with a minimum of 5°C and a maximum of 31°C, while February sees a lower minimum of 2°C but a maximum of 32°C. Both months have a similar average temperature of around 15°C, making them quite consistent in that regard. Precipitation levels are comparable as well, with January receiving 96 mm over 13 days and February seeing a slight increase to 100 mm over 10 days. Humidity is slightly higher in January at 79%, compared to February's 76%. For more detailed information about February weather conditions, you can visit Port Chalmers weather in February.

In comparing the weather between January and March, January presents slightly warmer temperatures with a minimum of 5°C (42°F) and an average high of 31°C (88°F), while March features a slightly cooler minimum temperature of 3°C (38°F) and a maximum of 29°C (85°F). Precipitation levels are notably higher in January, measuring 96 mm (3.8 in) over 13 days, compared to March's 52 mm (2.1 in) over 10 days. Humidity remains relatively consistent between the two months, with January at 79% and March at 78%. For those interested in more details, check out Port Chalmers weather in March.

When comparing the weather in January and April, we see some notable differences. January enjoys higher temperatures, with a minimum of 5°C (42°F) and a maximum reaching 31°C (88°F), while April's temperatures are cooler, ranging from a minimum of 0°C (31°F) to a maximum of 26°C (79°F). Precipitation also varies, with January receiving 96 mm (3.8 in) over 13 days compared to April's 69 mm (2.7 in) across 11 days. Both months have similar humidity levels, with January at 79% and April slightly higher at 81%. For more details on what to expect in April, visit Port Chalmers weather in April.

In comparing the weather conditions of January and May, we see notable differences in temperature and precipitation patterns. January boasts warmer temperatures, with a minimum of 5°C (42°F), an average of 15°C (60°F), and a maximum of 31°C (88°F). In contrast, May experiences cooler weather, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). Additionally, January is significantly wetter, with 96 mm (3.8 in) of precipitation over 13 days, whereas May sees only 45 mm (1.8 in) of rainfall across 9 days. Humidity levels remain relatively high in both months, with January at 79% and May slightly higher at 84%. For more about May's climate, you can refer to Port Chalmers weather in May.

The weather in January contrasts sharply with that in June. In January, temperatures range from a mild 5°C (42°F) to a warm 31°C (88°F), making it the warmest month of the year, with an average temperature of 15°C (60°F) and relatively high humidity at 79%. Precipitation is also significant, with 96 mm (3.8 in) over 13 days. In contrast, June experiences much cooler temperatures, with highs reaching only 21°C (70°F) and a low of -4°C (25°F), averaging at just 6°C (43°F). The month sees a noticeable drop in precipitation to 37 mm (1.4 in) over 9 days, along with slightly higher humidity at 85%. For more details, see Port Chalmers weather in June.

When comparing the weather in January and July, there are notable differences in temperature and precipitation. In January, the average temperature is significantly warmer, ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), whereas July experiences much cooler temperatures, with a maximum of only 16°C (62°F). Precipitation levels are higher in January, totaling 96 mm (3.8 in) over 13 days, compared to July’s 63 mm (2.5 in) over 10 days. Additionally, January has a humidity level of 79%, while July sees slightly higher humidity at 85%. For more details about the weather in July, you can visit Port Chalmers weather in July.

January and August exhibit striking contrasts in weather patterns. In January, temperatures range from a pleasant minimum of 5°C (42°F) to an inviting maximum of 31°C (88°F), with an average of 15°C (60°F). The month is relatively wet, accumulating 96 mm (3.8 in) of precipitation over 13 days and maintaining a humidity level of 79%. In contrast, August brings much cooler temperatures, with minimums dropping to -4°C (25°F) and maximums peaking at 20°C (68°F), yielding an average of 7°C (45°F). Precipitation is significantly lower at 40 mm (1.6 in) over 12 days, with a slightly higher humidity of 84%. These differences highlight the transition from the warmth of summer to the briskness of late winter. For further insights, check out Port Chalmers weather in August.

In January, the weather is warm, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), and an average temperature of 15°C (60°F). This month sees a considerable amount of precipitation at 96 mm (3.8 in) over about 13 days, coupled with a humidity level of 79%. In contrast, September experiences much cooler temperatures, with a minimum of -2°C (28°F), an average of 9°C (48°F), and a maximum of 22°C (72°F). Precipitation in September is significantly lower at 57 mm (2.2 in) across 12 days, while humidity is slightly higher at 83%. For more detailed insights into September's weather, you can visit Port Chalmers weather in September.

In January, the weather is notably warmer than in October, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F). This month experiences higher average temperatures of 15°C (60°F) and a significant amount of humidity at 79%. In contrast, October sees cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (75°F), averaging around 10°C (51°F). Although October has slightly less precipitation at 81 mm (3.2 in) over 14 days, humidity remains high at 80%. For a more detailed outlook on October weather, you can view Port Chalmers weather in October.

In January, the weather is typically warmer, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F). The month sees an average humidity of 79% and experiences about 96 mm (3.8 in) of precipitation over 13 days. In contrast, November's temperatures are slightly cooler, with a minimum of 1°C (34°F) and a maximum of 27°C (81°F), while maintaining a similar precipitation level of 96 mm (3.8 in) but over a slightly longer duration of 15 days. Despite the similar total precipitation, November's lower temperatures and humidity of 78% create a different weather experience. For more details, check out Port Chalmers weather in November.

When comparing the weather in January and December, January tends to be slightly warmer with an average temperature of 15°C (60°F) compared to December's 14°C (58°F). The maximum temperatures in January also reach higher at 31°C (88°F), while December peaks at 27°C (80°F). However, December experiences a bit more precipitation, with 105 mm (4.1 in) over 15 days, compared to January's 96 mm (3.8 in) over 13 days. Both months have high humidity levels, with January at 79% and December slightly higher at 81%. For more detailed information on December's climate, you can check Port Chalmers weather in December.

Compare Port Chalmers's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Port Chalmers

In January, Port Chalmers experiences a distinct shift in weather compared to the cooler months. With a warm maximum temperature of 31°C, it stands out as the hottest month, offering a vibrant atmosphere perfect for outdoor activities. While the average temperature remains a comfortable 15°C, the humidity peaks at 79%, adding a sultry touch to the air. Despite the warmth, January also sees a fair share of precipitation, with rain gracing the area on about 13 days, totaling 96 mm. This dynamic weather pattern creates a unique blend of heat and moisture, making January a memorable month. For more detailed insights into the region's climate, visit Port Chalmers Climate.