August Weather in Chester, United States

Last updated: June 24, 2025

In Chester, United States during August, the average temperature reaches a pleasant 21°C (69°F). Expect a minimum of 5°C (42°F) and a maximum of 34°C (94°F), making it ideal for a variety of activities. Precipitation is minimal, with an average of only 16 mm (0.6 in) spread over 4 days. Embrace the fresh air with an average humidity level of 42%!

August Temperature in Chester

In August in Chester, the average temperature is 21°C (69°F), with maximums reaching 34°C (94°F) and minimums as low as 5°C (42°F). This varied climate makes it an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates August temperature patterns in Chester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chester, August typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (42°F).

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

August Precipitation in Chester

In Chester in August, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

August Precipitation Trends in Chester

The chart displays monthly precipitation patterns in Chester, 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 Chester, August typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 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 Chester

In Chester in August humidity is 42%. With an average temperature of 21°C (69°F), this humidity feels like a refreshing embrace, making it pleasant for long strolls and outdoor explorations.

August Average Humidity in Chester

This chart illustrates the average monthly humidity levels in Chester, 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 Chester is approximately 42%, 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 Chester

In Chester 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 Chester.

Maximum UV Index Levels in Chester for August

The chart shows the monthly maximum UV Index (UVI) for Chester 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 Chester typically reaches 11, which falls under the extreme exposure category.

Data source: Chester 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 Chester Compares to Other Months

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

This table compares monthly weather conditions in Chester, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	217 mm (8.5 inches)	86%	moderate
February Weather	0°C (32°F)	232 mm (9.1 inches)	87%	moderate
March Weather	2°C (35°F)	198 mm (7.8 inches)	86%	very high
April Weather	5°C (42°F)	100 mm (3.9 inches)	83%	very high
May Weather	11°C (52°F)	75 mm (3.0 inches)	72%	extreme
June Weather	17°C (63°F)	22 mm (0.9 inches)	67%	extreme
July Weather	22°C (71°F)	9 mm (0.3 inches)	56%	extreme
August Weather	21°C (69°F)	16 mm (0.6 inches)	42%	extreme
September Weather	16°C (61°F)	27 mm (1.1 inches)	46%	very high
October Weather	9°C (49°F)	53 mm (2.1 inches)	67%	high
November Weather	4°C (39°F)	106 mm (4.2 inches)	86%	moderate
December Weather	-1°C (31°F)	171 mm (6.7 inches)	86%	moderate