January Weather in Heretaunga, New Zealand

Last updated: August 31, 2025

Experience the vibrant January weather in Heretaunga, New Zealand, where the region boasts a warm maximum temperature of 26°C (79°F), complemented by a pleasant average of 17°C (63°F). As temperatures dip to a minimum of 9°C (48°F), the days are ideal for outdoor activities and exploration. However, keep in mind that January brings about 41 mm (1.6 in) of rain over 7 days, resulting in a humidity level of 79% that contributes to the lush landscapes. Embrace the unique blend of warmth and occasional showers that define this beautiful summer month in Heretaunga.

January Temperature in Heretaunga

In Heretaunga, New Zealand, January is a delightful month that showcases the region's warm and inviting summer weather. With temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), the month boasts an average of 17°C (63°F)—perfect for outdoor activities and enjoying the lush landscapes. As the month progresses into February and beyond, there’s a subtle tapering in warmth, with February slightly cooler at a max of 24°C (75°F) and the gradual approach of autumn beginning in March, where highs dip to 22°C (72°F). This overall trend highlights a gentle transition from the vibrant summer heat to the milder, crisp days of fall, making Heretaunga a region that elegantly balances seasonal changes while inviting exploration year-round.

January Weather in Heretaunga: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Heretaunga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heretaunga, 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).
JanFebMarAprMayJunJulAugSepOctNovDec636361575451495051545761
Data source: Temperature data for Heretaunga 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 Heretaunga

In January, Heretaunga experiences relatively low precipitation, with only 41 mm (1.6 in) of rainfall spread over approximately 7 days. This marks the month as one of the drier periods in the region compared to subsequent months, where rainfall tends to escalate noticeably. As summer transitions into autumn, February and March see a rise in precipitation, with February receiving 63 mm (2.5 in) and March further increasing to 71 mm (2.8 in). This upward trend culminates in a peak during the mid-year months, especially July, when precipitation reaches 103 mm (4.1 in) across 13 days. The pattern showcases Heretaunga's shift from a drier start of the year to a much wetter climate as the seasons progress, ultimately leading into a cohesive rainy season that peaks in late December.

January Precipitation Trends in Heretaunga

The chart displays monthly precipitation patterns in Heretaunga, 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 Heretaunga, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec41647197819010384927781104
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Heretaunga

In Heretaunga, New Zealand, January marks the beginning of a notably humid spell, with humidity levels hovering around 79%. This trend continues into February and March, establishing a consistent feeling of moisture in the air. As the seasons shift, April sees a slight increase to 80%, setting the stage for a gradual rise in humidity throughout the winter months. By May and June, humidity levels climb to 84% and 86%, respectively, creating a persistent sense of wetness. This trend holds steady in July before slowly receding in August and September, where figures remain relatively stable at 83%. As the year progresses, October to December show a modest decline, with humidity levels settling around the low 80s. Overall, January's consistent humidity is a harbinger of the wetter months ahead, reinforcing Heretaunga's reputation for its lush, vibrant environment.

January Average Humidity in Heretaunga

This chart illustrates the average monthly humidity levels in Heretaunga, 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 Heretaunga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Heretaunga

In January, Heretaunga, New Zealand, experiences a remarkable UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This intensity persists into February, underscoring the region's peak summer sun exposure. As the months progress towards March and April, the UV Index begins to decline, transitioning to a very high level of 9 in March and then to a high level of 7 in April, allowing for slightly longer safe sun exposure. As winter approaches in June and July, the UV levels drop further to 2, indicating low exposure risk. By the time October rolls around, the UV Index begins to rebound, reaching 9 again, before peaking once more in December at 13. Overall, the annual UV Index in Heretaunga highlights a distinct seasonal pattern of extreme sun exposure in the summer months, making sun safety a crucial consideration. For detailed UV insights, visit Heretaunga UV Index.

Maximum UV Index Levels in Heretaunga for January

The chart shows the monthly maximum UV Index (UVI) for Heretaunga 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 Heretaunga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691013
Data source: Heretaunga 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 Heretaunga

In Heretaunga, New Zealand, January shines brightly with an impressive 287 hours of sunshine, setting the tone for the year ahead. Following closely, February enjoys 297 hours, marking it as the sunniest month in the summer season. As the year transitions into autumn, the daylight begins to wane, dipping to 278 hours in March and further down to 237 hours in April. The fall deepens into winter, reaching a low point of 169 hours in June, before a gradual climb starts in July with 193 hours. By August, the sun starts peeking out again, pulling the total to 226 hours. The momentum picks up significantly towards spring, with 250 hours in September and a remarkable 311 hours by November, culminating in a spectacular 336 hours of sunshine in December. This trend showcases a beautiful rhythm of sunny days that provides a vivid contrast between the warmth of summer and the cooler months.

Monthly Sunshine Duration in Heretaunga: January Highlighted

The January sunshine duration represents the total number of hours Heretaunga 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.
JanFebMarAprMayJunJulAugSepOctNovDec287h297h278h237h207h169h193h226h250h286h311h336h
Data source: Heretaunga January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Heretaunga During January

In Heretaunga, New Zealand, the likelihood of enjoying sunny weather peaks in January, with a 56% chance of clear skies—a promising start to the year. This trend of sunniness begins to wane in February, dropping to 49%, and continues to decline through the following months, hitting the lowest point in October at just 28%. Interestingly, the sunshine odds begin to recover slightly in the warmer months, hovering around 50% in April before dipping again in the cooler winter months, with June bringing only a 29% chance of sun. Overall, while January stands out for its sunny disposition, the gradual decrease into the winter season suggests that residents and visitors alike should cherish those bright January days before the clouds take over.

Percentage of Sunny Days in January in Heretaunga

The chart illustrates the percentage of sunny days in Heretaunga 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 Heretaunga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%49%43%50%41%29%44%42%43%28%37%35%
Data source: Heretaunga January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Heretaunga in January

In Heretaunga, New Zealand, January shines brightly with an impressive 14 hours of daylight, perfectly embodying the peak of summer. As the month transitions into February, daylight slightly declines to 13 hours, hinting at the gradual shift toward autumn. This trend continues throughout March, with daylight reducing to 12 hours, and further slips into April with just 10 hours of sunshine. The shadowy grip of winter brings May through July to a mere 9 hours of daylight, marking the year's darkest months. However, as August arrives, daylight begins its slow ascent back to 10 hours. By September, the days lengthen to 11 hours, signaling spring’s approach. October and November enjoy a resurgence with 13 and 14 hours of daylight respectively, while December peaks at 15 hours, ushering in the summer with the longest days. This cyclical rhythm of daylight in Heretaunga beautifully encapsulates the region's seasonal transitions.

Average Daylight Hours in Heretaunga for January

The chart illustrates the variation in daylight duration in Heretaunga throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 44m13h 40m12h 19m10h 57m9h 48m9h 14m9h 31m10h 30m11h 48m13h 11m14h 24m15h 3m
Data source: Heretaunga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Heretaunga

In Heretaunga, January greets residents with a brisk average wind speed of 6.1 m/s (14 mph), marking it as one of the windiest months of the year. As summer progresses into February, the winds settle slightly to 4.8 m/s (11 mph), providing a gentler breeze. However, the winds pick up again as autumn approaches, with speeds hovering around 5.1 to 5.3 m/s (11-12 mph) from March to May. A noticeable increase occurs in September, where the winds reach 6.8 m/s (15 mph), indicating a shift towards more blustery conditions. This trend continues into late spring and early summer, with November refreshing the air with another spike at 6.3 m/s (14 mph), before tapering off again in December to 5.8 m/s (13 mph). Overall, the wind dynamics in Heretaunga showcase a rhythmic dance between gentle summer breezes and invigorating autumn gusts, painting a vivid picture of life in this beautiful region of New Zealand.

Average January Wind Speed in Heretaunga

The chart displays monthly wind speed patterns in Heretaunga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.1 m/s4.85.15.25.35.55.15.96.85.56.35.8
Data source: Heretaunga January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Heretaunga Compares to Other Months

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

In January, the weather typically features temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), with an average of 17°C (63°F) and a total precipitation of 41 mm (1.6 in) over seven days. In contrast, February sees slightly cooler maximum temperatures, peaking at 24°C (75°F) while maintaining the same average of 17°C (63°F) and experiencing increased rainfall of 63 mm (2.5 in) over the same number of days. Both months share a consistent humidity level of 79%. For more details on February's climate, check out Heretaunga weather in February.

In January, the weather features a mild temperature range with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum reaching 26°C (79°F). Precipitation levels are relatively low at 41 mm (1.6 in) over about seven days, while humidity remains at 79%. In contrast, March sees slightly cooler temperatures, with a minimum of 8°C (47°F), an average of 16°C (61°F), and a maximum of 22°C (72°F). However, it experiences increased precipitation of 71 mm (2.8 in) over approximately ten days, maintaining a consistent humidity level of 79%. For more details on the weather in March, visit Heretaunga weather in March.

January and April present contrasting weather patterns, with January generally warmer and drier compared to April. In January, temperatures range from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), and the month sees only 41 mm (1.6 in) of precipitation over 7 days at a humidity of 79%. In contrast, April has lower average temperatures, with a minimum of 7°C (44°F) and a maximum of 21°C (70°F). It experiences significantly more rainfall, accumulating 97 mm (3.8 in) over 11 days and maintaining a humidity level of 80%. For more detailed insights, you can check Heretaunga weather in April.

In comparing January and May weather, January boasts warmer temperatures with a minimum of 9°C (48°F) and a peak of 26°C (79°F), whereas May sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (66°F). Additionally, January experiences lower precipitation levels, totaling 41 mm (1.6 in) over 7 days, compared to May's 81 mm (3.2 in) across 11 days. Despite May's mild temperatures, it also has a slightly higher humidity level at 84%, compared to January's 79%. For more details on May weather, visit Heretaunga weather in May.

In January, the weather in Heretaunga is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F) and an average of 17°C (63°F). The month sees relatively low precipitation at 41 mm (1.6 in) over about 7 days and humidity levels around 79%. In contrast, June brings cooler temperatures, with a minimum of 4°C (39°F), a maximum of 16°C (62°F), and an average of 11°C (51°F). June also experiences increased rainfall, totaling 90 mm (3.6 in) across 11 days, with humidity rising slightly to 86%. For more detailed information on the weather in June, you can check Heretaunga weather in June.

In January, the weather is generally warm and pleasant, with minimum temperatures around 9°C (48°F) and maximum temperatures reaching up to 26°C (79°F). This month experiences relatively low precipitation, averaging 41 mm (1.6 in) over about 7 days, while humidity is a comfortable 79%. In stark contrast, July brings much cooler conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 15°C (59°F). This winter month sees significantly higher precipitation, totaling 103 mm (4.1 in) over 13 days, and a humidity level of 86%. For more detailed insights, you can explore Heretaunga weather in July.

In January, the weather is noticeably warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), and an average of 17°C (63°F). The month experiences relatively low precipitation of 41 mm (1.6 in) over about 7 days, with a humidity level of 79%. In contrast, August brings much cooler temperatures, with a minimum of 3°C (38°F), an average of 10°C (50°F), and a maximum of only 15°C (59°F). This month is wetter, with 84 mm (3.3 in) of precipitation spread over 13 days and slightly higher humidity at 83%. For a closer look at the August weather, you can visit Heretaunga weather in August.

In January, the weather is generally warmer with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), while September experiences cooler conditions, with temperatures dropping to a minimum of 3°C (38°F) and maxing out at 16°C (61°F). Precipitation is also notable; January sees about 41 mm (1.6 in) over 7 days, whereas September records a significant increase with 92 mm (3.6 in) over 13 days. Additionally, humidity levels are relatively similar, with January at 79% and September slightly higher at 83%. For a detailed look at September weather patterns, refer to Heretaunga weather in September.

January and October present quite different weather patterns. In January, temperatures range from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), with an average of 17°C (63°F) and relatively low precipitation at 41 mm (1.6 in) over about 7 days. In contrast, October experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 18°C (65°F), averaging only 12°C (54°F). The month also sees significantly more rainfall, totaling 77 mm (3.0 in) spread over 12 days, and slightly higher humidity at 82%. For more details on the climate during this time, you can check out Heretaunga weather in October.

In comparison, January typically boasts warmer temperatures, with an average of 17°C (63°F), while November is cooler with an average of 14°C (57°F). January sees a maximum temperature of 26°C (79°F), surpassing November's high of 20°C (68°F). However, November experiences significantly more rainfall, receiving 81 mm (3.2 in) over 11 days compared to January's 41 mm (1.6 in) across 7 days. Additionally, humidity levels are slightly higher in November at 82%, compared to January's 79%. For more specific details on November weather, you can visit Heretaunga weather in November.

In comparing the weather between January and December, January tends to be slightly warmer, with an average temperature of 17°C (63°F) compared to December’s 16°C (61°F). The minimum temperatures are also marginally higher in January, while December sees a cooler minimum of 7°C (45°F). Rainfall is significantly lower in January at 41 mm (1.6 in) over 7 days, while December experiences more precipitation with 104 mm (4.1 in) spread across 14 days. Humidity levels are relatively comparable, hovering around 79% in January and 81% in December. For more detailed insights on December weather, visit Heretaunga weather in December.

Compare Heretaunga's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Heretaunga

January in Heretaunga is characterized by warm temperatures and relatively high humidity, setting it apart from the cooler months. With average highs reaching 26°C, this month enjoys significantly milder weather compared to the chilly winter months. While January does see some rain—averaging about 41 mm across roughly a week—it typically remains drier than the wetter seasons, allowing for plenty of sunshine to enjoy outdoor activities. As you experience the warmth and vibrant atmosphere of January, you'll appreciate why this is a favored time for both locals and visitors alike. For a deeper understanding of what to expect throughout the year, check out Heretaunga Climate.