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August Weather in Wellington, United States

Last updated: June 24, 2025

In Wellington, United States, the average temperature in August reaches a warm 28°C (82°F). Temperatures can fluctuate significantly, with minimums dropping to 15°C (59°F) and maximums soaring as high as 42°C (107°F). Expect about 35 mm (1.4 in) of precipitation spread over 7 days, contributing to an average humidity of 78%.

August Temperature in Wellington

In August in Wellington, the average temperature is 28°C (82°F), with maximums reaching 42°C (107°F) and minimums dipping as low as 15°C (59°F). It's wise to prepare for both the heat and cooler evenings when planning your travel to ensure a comfortable experience.

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 28°C (82°F), with highs reaching up to 42°C (107°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec404154617079838275615144
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 35 mm (1.4 in) over the course 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 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec271870429388313574701622
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 78%. With an average temperature of 28°C (82°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting and overwhelming, potentially leading to a slower pace while exploring.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
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 Weather5°C (40°F)27 mm (1.1 inches)75%moderate
February Weather5°C (42°F)18 mm (0.7 inches)76%high
March Weather12°C (54°F)70 mm (2.7 inches)64%very high
April Weather16°C (61°F)42 mm (1.6 inches)70%very high
May Weather21°C (71°F)92 mm (3.6 inches)78%extreme
June Weather26°C (80°F)88 mm (3.5 inches)81%extreme
July Weather28°C (83°F)31 mm (1.2 inches)82%extreme
August Weather28°C (82°F)35 mm (1.4 inches)78%extreme
September Weather24°C (75°F)74 mm (2.9 inches)72%very high
October Weather16°C (62°F)70 mm (2.8 inches)73%high
November Weather10°C (51°F)16 mm (0.6 inches)80%moderate
December Weather7°C (44°F)22 mm (0.9 inches)81%moderate

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