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August Weather in Westerly, United States

Last updated: June 24, 2025

In Westerly, United States, the average temperature in August hovers around 23°C (74°F), making it a pleasant time to visit. Expect temperatures to range from a cool 13°C (56°F) to a warm 33°C (91°F). During this month, the area experiences 102 mm (4.0 in) of precipitation spread over 11 days, contributing to an average humidity of 76%. Perfect for those who enjoy a bit of warmth mixed with occasional rain!

August Temperature in Westerly

In August in Westerly, the average temperature is 23°C (74°F). Maximum temperatures can reach 33°C (91°F) and minimums can drop as low as 13°C (56°F). This makes Westerly an ideal destination for travelers seeking mild weather with pleasant daytime warmth and cooler evenings.

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

The chart illustrates August temperature patterns in Westerly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westerly, August typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec333539485867747367584537
Data source: Temperature data for Westerly 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 Westerly

In Westerly in August, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

August Precipitation Trends in Westerly

The chart displays monthly precipitation patterns in Westerly, 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 Westerly, August typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec73951011251119512810293134100125
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Westerly

In Westerly in August humidity is 76%. With an average temperature of 23°C (74°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor exploration feel a bit sluggish and requiring frequent breaks for hydration and respite from the heat.

August Average Humidity in Westerly

This chart illustrates the average monthly humidity levels in Westerly, 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 Westerly is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Westerly

In Westerly 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 Westerly.

Maximum UV Index Levels in Westerly for August

The chart shows the monthly maximum UV Index (UVI) for Westerly 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 Westerly typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Westerly 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 Westerly Compares to Other Months

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

This table compares monthly weather conditions in Westerly, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)73 mm (2.9 inches)84%moderate
February Weather2°C (35°F)95 mm (3.7 inches)84%moderate
March Weather4°C (39°F)101 mm (4.0 inches)82%high
April Weather9°C (48°F)125 mm (4.9 inches)79%very high
May Weather14°C (58°F)111 mm (4.4 inches)75%very high
June Weather20°C (68°F)95 mm (3.7 inches)78%very high
July Weather23°C (74°F)128 mm (5.0 inches)76%very high
August Weather23°C (74°F)102 mm (4.0 inches)76%very high
September Weather19°C (67°F)93 mm (3.7 inches)75%very high
October Weather14°C (58°F)134 mm (5.3 inches)75%high
November Weather7°C (46°F)100 mm (3.9 inches)80%moderate
December Weather3°C (37°F)125 mm (4.9 inches)80%low

Compare Westerly's Climate with Cities Worldwide