August Weather in Wellington, United States

Last updated: June 24, 2025

In August, the average temperature in Wellington, United States reaches a warm 26°C (79°F). Expect temperatures to vary between a milder 14°C (57°F) at night to a sweltering 38°C (101°F) during the day. With an average precipitation of 96 mm (3.8 in) over 11 days, stay prepared for some rain. You'll also experience a humid environment with an average humidity level of 73%.

August Temperature in Wellington

In August in Wellington, the average temperature is 26°C (79°F). Maximums can reach 38°C (101°F), while minimums can drop as low as 14°C (57°F). Be sure to pack clothes suitable for both warm days and cooler evenings when traveling to Wellington during this month.

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 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Wellington generated using information from the Copernicus Climate Change Service.

August Precipitation in Wellington

In Wellington in August, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.

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 96 mm (3.8 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Wellington

In Wellington in August, humidity is 73%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable as you navigate through the heat with a constant sheen of sweat on your skin.

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 73%, offering insight into how humid the weather typically is during this month.

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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	43 mm (1.7 inches)	77%	moderate
February Weather	2°C (36°F)	32 mm (1.3 inches)	76%	high
March Weather	10°C (50°F)	84 mm (3.3 inches)	71%	high
April Weather	14°C (57°F)	91 mm (3.6 inches)	73%	very high
May Weather	20°C (68°F)	170 mm (6.7 inches)	83%	very high
June Weather	26°C (79°F)	108 mm (4.3 inches)	83%	extreme
July Weather	27°C (82°F)	58 mm (2.3 inches)	81%	extreme
August Weather	26°C (79°F)	96 mm (3.8 inches)	73%	very high
September Weather	23°C (75°F)	77 mm (3.1 inches)	67%	very high
October Weather	15°C (59°F)	136 mm (5.4 inches)	72%	high
November Weather	8°C (47°F)	25 mm (1.0 inches)	82%	moderate
December Weather	5°C (40°F)	30 mm (1.2 inches)	85%	moderate