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August Weather in Wellington, Australia

Last updated: August 22, 2025

In August, the average temperature in Wellington, Australia hovers around 9°C (48°F). Expect chilly nights with temperatures dipping to a minimum of -3°C (27°F), while daytime highs can reach a pleasant 25°C (76°F). Rainfall is moderate, with 36 mm (1.4 in) expected over about 5 days, and the air maintains an average humidity of 74%.

August Temperature in Wellington

In August in Wellington, the average temperature is 9°C (48°F). Maximum temperatures can reach 25°C (76°F), while minimums can drop as low as -3°C (27°F). This variety in temperatures makes it essential for travelers to pack layers for both warm days and chilly nights.

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 9°C (48°F), with highs reaching up to 25°C (76°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec787470625348464855626773
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 36 mm (1.4 in) over the course of 5 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 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec335694253237313633578267
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 74%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating warm layers to fully enjoy your explorations.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%60%68%74%78%78%79%74%69%58%53%62%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Wellington, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151413864468111315
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 Weather25°C (78°F)33 mm (1.3 inches)55%extreme
February Weather23°C (74°F)56 mm (2.2 inches)60%extreme
March Weather21°C (70°F)94 mm (3.7 inches)68%extreme
April Weather16°C (62°F)25 mm (1.0 inches)74%very high
May Weather12°C (53°F)32 mm (1.3 inches)78%high
June Weather9°C (48°F)37 mm (1.5 inches)78%moderate
July Weather8°C (46°F)31 mm (1.2 inches)79%moderate
August Weather9°C (48°F)36 mm (1.4 inches)74%high
September Weather13°C (55°F)33 mm (1.3 inches)69%very high
October Weather17°C (62°F)57 mm (2.3 inches)57%extreme
November Weather19°C (67°F)82 mm (3.2 inches)53%extreme
December Weather23°C (73°F)67 mm (2.6 inches)62%extreme

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