July Weather in Oamaru, New Zealand

Last updated: August 31, 2025

In July, Oamaru, New Zealand experiences a cool and damp climate, characterized by a maximum temperature of 15°C (59°F) and a chilly average of 7°C (45°F), dipping down to a minimum of 1°C (34°F) at night. This mid-winter month sees precipitation reaching 69 mm (2.7 in) across approximately 10 days, contributing to the area's lush scenery. With a humidity level averaging around 85%, residents and visitors alike should prepare for a moist and brisk environment, perfect for embracing the cozy vibes of Oamaru's winter charm.

July Temperature in Oamaru

In July, Oamaru experiences its coldest temperatures of the year, with minimums dropping to 1°C (34°F) and average highs lingering around 15°C (59°F). This chill marks a notable shift from the warmer summer months, as the city transitions into the heart of winter. The sea breeze and cloudy skies contribute to July’s crisp atmosphere, making it a time when residents and visitors bundle up to enjoy the charm of this historic coastal town. With average temperatures hovering at 7°C (45°F), outdoor activities may require an extra layer, but the beauty of Oamaru's winter scenery is sure to warm anyone’s heart.

July Weather in Oamaru: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Oamaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oamaru, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec605958545046444648515558
Data source: Temperature data for Oamaru generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Oamaru

In July, Oamaru experiences a moderate precipitation level of 69 mm (2.7 in), spread over 10 days. This marks a slight increase from the drier months of June, which saw just 39 mm, but remains below the heavier rainfall observed in the previous months of February and November. The trend indicates that while July is wetter than the late autumn months of May and June, it does not approach the peak levels typically recorded in the spring and early summer. As winter progresses, Oamaru's precipitation can vary significantly, but July's rainfall helps maintain the region's verdant landscapes and supports its diverse ecosystems.

July Precipitation Trends in Oamaru

The chart displays monthly precipitation patterns in Oamaru, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Oamaru, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec791006686403969394780100101
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Oamaru

In Oamaru, New Zealand, the month of July continues a notable trend of rising humidity levels that begins in the cooler months. With humidity at 85%, July mirrors the preceding month of June, indicating that the winter season is characterized by a consistent dampness in the air. This trend reflects a gradual increase from April's 81% and May's 84%, peaking in July before slightly tapering off in the following months. As the year progresses, July stands as a pivotal point where the humidity stabilizes, setting the stage for the slightly drier conditions that follow in August and September. Overall, the high humidity levels in July contribute to Oamaru's unique winter climate, making it a distinctive experience for residents and visitors alike.

July Average Humidity in Oamaru

This chart illustrates the average monthly humidity levels in Oamaru, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Oamaru 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Oamaru

In July, Oamaru experiences a low UV Index of 2, mirroring the conditions seen in June. This translates to a more relaxed outdoor experience, with a burn time of around 45 minutes—a significant shift from the extreme levels found at the peak of summer months like January, where the UV Index soars to 13. As we progress from the scorching summer months into winter, the UV Index steadily declines, suggesting a safer environment for those enjoying outdoor activities. The trend reveals that while summer poses a significant risk with very high and extreme UV levels, July provides an excellent opportunity to soak up the outdoors with minimal concern for sunburn. For more detailed information, visit Oamaru UV Index.

Maximum UV Index Levels in Oamaru for July

The chart shows the monthly maximum UV Index (UVI) for Oamaru in July, 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 July, the maximum UV index in Oamaru typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312963223581012
Data source: Oamaru July 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.

July Sunshine in Oamaru

July in Oamaru, New Zealand, offers a refreshing respite from the winter chill, with 178 hours of sunshine illuminating the landscape. While this isn't the sunniest month of the year, it marks a notable departure from the dreary days of June, which saw just 159 hours of sunlight. As the seasons transition, July's sun serves as a gentle reminder that brighter days are ahead. This mid-winter month often hints at the approaching spring, setting the stage for a gradual increase in sunshine hours in August (213 hours) and beyond, as Oamaru prepares to embrace the warmth of summer. The upward trend in daylight signals the region's resilience and the promise of vibrant flora, fostering a sense of anticipation among locals and visitors alike.

Monthly Sunshine Duration in Oamaru: July Highlighted

The July sunshine duration represents the total number of hours Oamaru experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec280h299h271h230h201h159h178h213h252h282h319h345h
Data source: Oamaru July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oamaru During July

In Oamaru, July presents a 43% chance of sunny weather, marking a notable upswing from the preceding winter months. This trend suggests a gradual transition toward more favorable conditions, as the likelihood of sunshine in July is considerably higher than in both June (36%) and the earlier months of the year, specifically October (28%) and November (28%). As winter settles in, July stands out as a potential beacon of brightness, hinting at the promise of sunnier days ahead as the region marches towards spring, where September (52%) and August (46%) see even greater probabilities of sunshine.

Percentage of Sunny Days in July in Oamaru

The chart illustrates the percentage of sunny days in Oamaru throughout the year, with July 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 Oamaru experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%33%39%51%49%36%43%46%52%28%28%26%
Data source: Oamaru July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oamaru in July

In Oamaru, New Zealand, July marks the transition into slightly longer days, as daylight stretches to 9 hours. This increase is a subtle yet significant shift from the shorter, darker days of June, which offered only 8 hours of daylight. As winter begins to wane, the pattern of daylight duration reveals a rhythm: from the long, sun-drenched days of January and December at 15 hours to the gradual decline in April and May, where daylight shrinks to just 9 hours in May. Looking forward, August will continue this upward trend, bringing even more daylight as the region gears up for the coming spring. This cyclical ebb and flow of daylight not only influences the natural landscape but also enhances the overall experience of Oamaru’s breathtaking seasonal beauty.

Average Daylight Hours in Oamaru for July

The chart illustrates the variation in daylight duration in Oamaru throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 9m13h 54m12h 21m10h 47m9h 27m8h 47m9h 7m10h 16m11h 46m13h 21m14h 46m15h 32m
Data source: Oamaru daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Oamaru

In July, Oamaru experiences an average wind speed of 3.5 m/s (8 mph), reflecting a slight uptick from the calm of June, where winds slowed to 3.2 m/s. This seasonal rise indicates a gentle breeze that carries the chill of winter, making it a refreshing pause before the winds pick up in August to 4.1 m/s. Interestingly, the wind patterns reveal a trend of increasing speeds as the year progresses towards spring, with early months like January and February showcasing light breezes of 4.5 m/s and 3.8 m/s, respectively. Ultimately, as Oamaru transitions from winter to spring, the winds crescendo, offering a fascinating interplay between seasonal change and wind dynamics.

Average July Wind Speed in Oamaru

The chart displays monthly wind speed patterns in Oamaru, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.53.83.63.63.93.23.5 m/s4.14.14.33.84.3
Data source: Oamaru July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Oamaru Compares to Other Months

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

In comparing the weather of July and January, we observe distinct seasonal contrasts. July exhibits cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 15°C (59°F), while January is significantly warmer, featuring a minimum of 8°C (47°F) and a maximum of 28°C (83°F). Precipitation levels are relatively close, with July receiving 69 mm (2.7 in) over 10 days and January having 79 mm (3.1 in) across 12 days. Humidity in July is notably higher at 85%, compared to January's 79%. For a more detailed look at the weather patterns, you can check out Oamaru weather in January.

When comparing the weather in July and February, we see notable differences in temperature and precipitation patterns. In July, the temperature ranges from a chilly minimum of 1°C (34°F) to a maximum of 15°C (59°F), with an average of around 7°C (45°F). The month experiences significant precipitation, with 69 mm (2.7 in) spread over 10 days and high humidity at 85%. Conversely, February brings warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 28°C (82°F) and an average of 15°C (60°F). This month has slightly higher precipitation at 100 mm (3.9 in) over 11 days, yet lower humidity at 76%. For a more detailed look at the February weather in Oamaru, check out Oamaru weather in February.

When comparing the weather in July and March, we see notable differences in both temperature and humidity. July tends to be much cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 15°C (59°F). In contrast, March offers a milder climate, with temperatures averaging between 7°C (46°F) and 24°C (75°F). Additionally, while July experiences about 69 mm (2.7 in) of precipitation over 10 days with high humidity at 85%, March has slightly less rainfall at 66 mm (2.6 in) over 11 days, accompanied by somewhat lower humidity at 78%. For more detailed information, you can check Oamaru weather in March.

In comparing the weather between July and April, we see notable differences in temperature and precipitation. July experiences cooler temperatures, with an average of 7°C (45°F) and maximums peaking at only 15°C (59°F), while April has a more moderate range, with an average of 12°C (54°F) and highs reaching 22°C (73°F). Additionally, April is slightly wetter, with 86 mm (3.4 in) of precipitation over 12 days compared to July's 69 mm (2.7 in) across 10 days. Humidity remains relatively high in both months, with July at 85% and April slightly lower at 81%. For a deeper look at the weather patterns, check out Oamaru weather in April.

In comparison to May, July experiences cooler temperatures with a minimum of 1°C (34°F) and a maximum of 15°C (59°F), while May boasts slightly warmer conditions, with a minimum of 2°C (36°F) and a maximum of 17°C (64°F). The average temperature in July is noticeably lower at 7°C (45°F) compared to May's average of 10°C (50°F). Additionally, July sees more precipitation, with 69 mm (2.7 in) occurring over 10 days, whereas May has 40 mm (1.6 in) over 8 days. Both months have similar humidity levels, with July at 85% and May at 84%. For a detailed look at the weather conditions in May, you can visit Oamaru weather in May.

In comparing the weather between June and July, we see that July experiences slightly cooler temperatures, with a minimum of 1°C (34°F) compared to June's minimum of 2°C (36°F). The average temperature in July is 7°C (45°F), which is a degree lower than June's average of 8°C (46°F), while the maximum temperatures remain similar, with July peaking at 15°C (59°F) and June at 16°C (61°F). Precipitation in July increases to 69 mm (2.7 in) over 10 days, surpassing June’s 39 mm (1.5 in) over 9 days. Both months share a humidity level of 85%, indicating a consistently damp atmosphere. For more detailed insights about June weather, you can refer to Oamaru weather in June.

In comparing July and August weather, July experiences slightly cooler temperatures with a minimum of 1°C (34°F) and an average of 7°C (45°F), while August sees a marginal increase, with temperatures dipping to 2°C (35°F) and averaging 8°C (46°F). The maximum temperature in July reaches 15°C (59°F), which is a tad higher than August's maximum of 16°C (61°F). Precipitation is more prevalent in July, totaling 69 mm (2.7 in) over 10 days, compared to August's 39 mm (1.5 in) over 9 days, resulting in a slightly drier month. Humidity remains relatively consistent, with July at 85% and August at 84%. For more detailed information, check out Oamaru weather in August.

In July, the weather features cooler temperatures with a minimum of 1°C (34°F) and an average of 7°C (45°F), peaking at a maximum of 15°C (59°F). The month sees significant precipitation, totaling 69 mm (2.7 in) over 10 days, accompanied by high humidity levels at 85%. In contrast, September offers slightly milder conditions, with temperatures ranging from a minimum of 2°C (35°F) to an average of 9°C (49°F), reaching up to 18°C (65°F). Rainfall in September is also less intense, averaging 46 mm (1.8 in) across 9 days and a slightly lower humidity of 83%. For more detailed insights on the weather, you can check Oamaru weather in September.

In comparing the weather of July and October, we see notable differences. July typically experiences cooler temperatures with a minimum of 1°C (34°F), an average of 7°C (45°F), and a maximum of 15°C (59°F). In contrast, October warms up, with a minimum of 4°C (39°F), an average of 11°C (51°F), and a maximum reaching 20°C (68°F). Both months see significant rainfall, with July receiving 69 mm (2.7 in) over approximately 10 days, while October has slightly more precipitation at 80 mm (3.2 in) across about 15 days. Humidity levels are high in both months, though July maintains a marginally higher average at 85% compared to October's 80%. For more detailed information, you can check out Oamaru weather in October.

In comparing July and November weather, July offers cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 15°C (59°F), while November boasts a warmer minimum of 5°C (42°F) and a maximum of 25°C (77°F). Although July has higher humidity levels at 85%, November has slightly lower humidity at 78% and experiences increased rainfall, with 100 mm (4.0 in) over 12 days compared to July's 69 mm (2.7 in) over 10 days. This makes November generally milder and wetter than July. For more detailed insights, refer to Oamaru weather in November.

In July, Oamaru experiences cooler temperatures, with an average of 7°C (45°F) and maximums reaching only 15°C (59°F). The month sees about 69 mm (2.7 in) of precipitation over 10 days, accompanied by high humidity levels of 85%. In contrast, December brings warmer weather with a minimum of 8°C (47°F) and an average temperature of 15°C (58°F), peaking at a comfortable 24°C (76°F). This month is wetter, with 101 mm (4.0 in) of rainfall over 16 days, while humidity decreases slightly to 81%. For more details, check out Oamaru weather in December.

Compare Oamaru's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Oamaru

In July, Oamaru experiences a distinct transition as winter settles in, marked by cooler temperatures and higher precipitation compared to other months. The average temperature hovers around 7°C, with chilly nights dipping to 1°C. While rain is common, with about 10 days of wet weather, the humidity level rises to a notable 85%, creating a damp chill in the air. This month’s wetter and colder conditions contrast sharply with the warmer, dry days of summer, making July a perfect time for cozy indoor activities and enjoying the unique charm of Oamaru. For a detailed overview of yearly weather patterns, visit Oamaru Climate.