August Weather in Westport, United States

Last updated: June 24, 2025

In Westport, United States, the average temperature in August hovers around 20°C (69°F), creating a pleasantly mild climate. The mercury can dip as low as 8°C (46°F) and soar to a maximum of 33°C (91°F), offering a diverse range of weather experiences. Expect an average precipitation of 115 mm (4.5 in) spread over approximately 13 days, coupled with a comfortable average humidity of 75%.

August Temperature in Westport

In August in Westport, the average temperature is 20°C (69°F). Maximums can reach 33°C (91°F), and minimums can be as low as 8°C (46°F). It's a great time for travelers to enjoy pleasant weather while exploring the local attractions.

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

The chart illustrates August temperature patterns in Westport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westport, August typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (46°F).

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

August Precipitation in Westport

In Westport in August, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

August Precipitation Trends in Westport

The chart displays monthly precipitation patterns in Westport, 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 Westport, August typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Westport

In Westport in August, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

August Average Humidity in Westport

This chart illustrates the average monthly humidity levels in Westport, 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 Westport is approximately 75%, 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 Westport

In Westport in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Westport.

Maximum UV Index Levels in Westport for August

The chart shows the monthly maximum UV Index (UVI) for Westport 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 Westport typically reaches 9, which falls under the very high exposure category.

Data source: Westport 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 Westport Compares to Other Months

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

This table compares monthly weather conditions in Westport, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	76 mm (3.0 inches)	93%	low
February Weather	-5°C (23°F)	76 mm (3.0 inches)	92%	moderate
March Weather	-1°C (30°F)	66 mm (2.6 inches)	86%	moderate
April Weather	6°C (43°F)	107 mm (4.2 inches)	85%	very high
May Weather	13°C (56°F)	91 mm (3.6 inches)	80%	very high
June Weather	18°C (65°F)	114 mm (4.5 inches)	74%	very high
July Weather	21°C (71°F)	123 mm (4.8 inches)	76%	very high
August Weather	20°C (69°F)	115 mm (4.5 inches)	75%	very high
September Weather	16°C (62°F)	72 mm (2.8 inches)	78%	high
October Weather	10°C (50°F)	142 mm (5.6 inches)	86%	moderate
November Weather	2°C (36°F)	101 mm (4.0 inches)	88%	moderate
December Weather	-3°C (27°F)	77 mm (3.0 inches)	89%	low