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August Weather in Chelsea, United States

Last updated: June 24, 2025

In August, the average temperature in Chelsea, United States is a pleasant 22°C (72°F). Expect a minimum temperature of 8°C (47°F) and a maximum of 33°C (93°F). During this time, you'll experience about 65 mm (2.5 in) of precipitation spread over 10 days, along with an average humidity level of 80%. Enjoy the diverse weather this month has to offer!

August Temperature in Chelsea

In August in Chelsea, the average temperature is 22°C (72°F). The maximum can reach 33°C (93°F) and the minimum can be as low as 8°C (47°F). This weather makes Chelsea a great destination for travelers seeking pleasant conditions and a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Chelsea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chelsea, August typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (93°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec262837476070747266543932
Data source: Temperature data for Chelsea 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 Chelsea

In Chelsea in August, the total precipitation amount is 65 mm (2.5 in) over the course of 10 days.

August Precipitation Trends in Chelsea

The chart displays monthly precipitation patterns in Chelsea, 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 Chelsea, August typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec64677791120829565691047653
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chelsea

In Chelsea in August humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.

August Average Humidity in Chelsea

This chart illustrates the average monthly humidity levels in Chelsea, 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 Chelsea is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chelsea

In Chelsea 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 Chelsea.

Maximum UV Index Levels in Chelsea for August

The chart shows the monthly maximum UV Index (UVI) for Chelsea 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 Chelsea typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Chelsea 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 Chelsea Compares to Other Months

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

This table compares monthly weather conditions in Chelsea, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)64 mm (2.5 inches)88%low
February Weather-2°C (28°F)67 mm (2.6 inches)87%moderate
March Weather3°C (37°F)77 mm (3.0 inches)85%moderate
April Weather8°C (47°F)90 mm (3.6 inches)86%very high
May Weather15°C (60°F)120 mm (4.7 inches)80%very high
June Weather21°C (70°F)82 mm (3.2 inches)80%very high
July Weather24°C (75°F)95 mm (3.8 inches)80%very high
August Weather22°C (72°F)65 mm (2.5 inches)80%very high
September Weather19°C (66°F)69 mm (2.7 inches)80%high
October Weather12°C (54°F)104 mm (4.1 inches)84%moderate
November Weather4°C (39°F)76 mm (3.0 inches)89%moderate
December Weather0°C (33°F)53 mm (2.1 inches)86%low

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