August Weather in Wellington, United States

Last updated: June 24, 2025

In Wellington, United States, the average temperature in August hovers around 21°C (71°F), with a minimum dropping to 9°C (48°F) and a peak reaching up to 36°C (97°F). Expect some moisture, as precipitation averages about 37 mm (1.5 in) over the course of 7 days. With an average humidity of 63%, this month offers a mix of warmth and refreshing breezes.

August Temperature in Wellington

In August in Wellington, the average temperature is 21°C (71°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 9°C (48°F). This variation makes it a great month for travelers to experience a mix of warm days and cool evenings.

August Weather in Wellington: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Wellington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellington, August typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec302838455466727064473933
Data source: Temperature data for Wellington 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.

August Precipitation in Wellington

In Wellington in August, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

August Precipitation Trends in Wellington

The chart displays monthly precipitation patterns in Wellington, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Wellington, August typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1624535411646353726362418
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wellington

In Wellington in August humidity is 63%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace—comfortable for exploring, yet slightly sticky, urging travelers to take it easy and stay hydrated while enjoying the sights.

August Average Humidity in Wellington

This chart illustrates the average monthly humidity levels in Wellington, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Wellington is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wellington

In Wellington in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Wellington.

Maximum UV Index Levels in Wellington for August

The chart shows the monthly maximum UV Index (UVI) for Wellington in August, 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 August, the maximum UV index in Wellington typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111212119654
Data source: Wellington August 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.

How August Weather in Wellington Compares to Other Months

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

This table compares monthly weather conditions in Wellington, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)16 mm (0.6 inches)84%moderate
February Weather-2°C (28°F)24 mm (0.9 inches)85%high
March Weather4°C (39°F)53 mm (2.1 inches)75%very high
April Weather7°C (45°F)54 mm (2.1 inches)67%very high
May Weather12°C (54°F)116 mm (4.6 inches)67%extreme
June Weather19°C (67°F)46 mm (1.8 inches)68%extreme
July Weather22°C (73°F)35 mm (1.4 inches)62%extreme
August Weather21°C (71°F)37 mm (1.5 inches)63%extreme
September Weather18°C (64°F)26 mm (1.0 inches)63%very high
October Weather8°C (47°F)36 mm (1.4 inches)72%high
November Weather4°C (40°F)24 mm (0.9 inches)79%moderate
December Weather0°C (33°F)18 mm (0.7 inches)85%moderate

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