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August Weather in Wilton, United States

Last updated: June 24, 2025

In Wilton, United States, the average temperature in August hovers around 20°C (69°F). However, be prepared for a range that can drop to a chilly 7°C (46°F) and soar up to a blistering 37°C (99°F). Expect about 67 mm (2.6 in) of rainfall spread over 9 days, contributing to an average humidity level of 78%. Embrace the climate with the right gear!

August Temperature in Wilton

In August in Wilton, the average temperature is 20°C (69°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 7°C (46°F). Travelers should prepare for a wide range of temperatures, making layers essential for comfort.

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

The chart illustrates August temperature patterns in Wilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilton, August typically has an average temperature of 20°C (69°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec131128385568726859432920
Data source: Temperature data for Wilton 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 Wilton

In Wilton in August, the total precipitation amount is 67 mm (2.6 in), occurring over a span of 9 days.

August Precipitation Trends in Wilton

The chart displays monthly precipitation patterns in Wilton, 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 Wilton, August typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec131726284559656765501923
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wilton

In Wilton in August, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

August Average Humidity in Wilton

This chart illustrates the average monthly humidity levels in Wilton, 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 Wilton is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wilton

In Wilton in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Wilton.

Maximum UV Index Levels in Wilton for August

The chart shows the monthly maximum UV Index (UVI) for Wilton 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 Wilton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2459810987532
Data source: Wilton 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 Wilton Compares to Other Months

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

This table compares monthly weather conditions in Wilton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)13 mm (0.5 inches)84%low
February Weather-12°C (11°F)17 mm (0.7 inches)88%moderate
March Weather-2°C (28°F)26 mm (1.0 inches)78%moderate
April Weather4°C (39°F)28 mm (1.1 inches)75%very high
May Weather13°C (55°F)45 mm (1.8 inches)76%very high
June Weather20°C (68°F)59 mm (2.3 inches)79%very high
July Weather22°C (72°F)65 mm (2.5 inches)78%very high
August Weather20°C (69°F)67 mm (2.6 inches)78%very high
September Weather15°C (60°F)65 mm (2.6 inches)69%high
October Weather6°C (43°F)50 mm (2.0 inches)71%moderate
November Weather-1°C (30°F)19 mm (0.8 inches)82%moderate
December Weather-7°C (20°F)23 mm (0.9 inches)84%low

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