August Weather in Chester, United States

Last updated: June 24, 2025

In August, the average temperature in Chester, United States hovers around 28°C (83°F). Expect a comfortable minimum of 18°C (65°F), with the possibility of soaring up to a sizzling 39°C (102°F). During this month, 92 mm (3.6 in) of precipitation graces the area over approximately 15 days, while the average humidity remains quite high at 81%. Stay prepared for both warmth and moisture!

August Temperature in Chester

In August in Chester, the average temperature is 28°C (83°F). The maximum can reach 39°C (102°F), while the minimum can be as low as 18°C (65°F). This weather makes it a great time for travelers to enjoy outdoor activities and explore the vibrant local culture.

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 28°C (83°F), with highs reaching up to 39°C (102°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec505660667580838279715752
Data source: Temperature data for Chester generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Chester

In Chester in August, the precipitation amount is 92 mm (3.6 in) distributed over 15 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 92 mm (3.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec96118789283105100921079365121
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Chester

In Chester in August, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)96 mm (3.8 inches)86%moderate
February Weather13°C (56°F)117 mm (4.6 inches)84%high
March Weather16°C (61°F)78 mm (3.1 inches)83%very high
April Weather19°C (67°F)92 mm (3.6 inches)81%very high
May Weather24°C (76°F)83 mm (3.3 inches)81%extreme
June Weather27°C (80°F)105 mm (4.1 inches)81%extreme
July Weather28°C (83°F)100 mm (3.9 inches)83%extreme
August Weather28°C (83°F)92 mm (3.6 inches)81%extreme
September Weather26°C (79°F)107 mm (4.2 inches)82%very high
October Weather21°C (71°F)93 mm (3.7 inches)78%very high
November Weather14°C (57°F)65 mm (2.6 inches)86%high
December Weather11°C (52°F)121 mm (4.7 inches)89%moderate

Compare Chester's Climate with Cities Worldwide