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August Weather in Willoughby, United States

Last updated: June 24, 2025

In August, the average temperature in Willoughby, United States hovers around 23°C (73°F), with daily highs reaching up to 29°C (84°F) and lows dipping to 16°C (61°F). Expect 77 mm (3.0 in) of precipitation spread over 12 days, making it a relatively wet month. The air feels quite humid, with an average humidity of 76%.

August Temperature in Willoughby

In August, in Willoughby, the average temperature is a comfortable 23°C (73°F). The maximum can reach 29°C (84°F), while the minimum can dip as low as 16°C (61°F). This pleasant climate makes Willoughby an ideal destination for travelers seeking enjoyable weather.

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

The chart illustrates August temperature patterns in Willoughby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willoughby, August typically has an average temperature of 23°C (73°F), with highs reaching up to 29°C (84°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec303135435466737368584437
Data source: Temperature data for Willoughby 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 Willoughby

In Willoughby in August, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

August Precipitation Trends in Willoughby

The chart displays monthly precipitation patterns in Willoughby, 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 Willoughby, August typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10010097114112921047791140137115
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Willoughby

In Willoughby in August humidity is 76%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

August Average Humidity in Willoughby

This chart illustrates the average monthly humidity levels in Willoughby, 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 Willoughby is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Willoughby

In Willoughby 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 Willoughby.

Maximum UV Index Levels in Willoughby for August

The chart shows the monthly maximum UV Index (UVI) for Willoughby 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 Willoughby typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Willoughby 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 Willoughby Compares to Other Months

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

This table compares monthly weather conditions in Willoughby, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)100 mm (3.9 inches)88%moderate
February Weather-1°C (31°F)100 mm (3.9 inches)88%moderate
March Weather2°C (35°F)97 mm (3.8 inches)87%high
April Weather6°C (43°F)114 mm (4.5 inches)87%very high
May Weather12°C (54°F)112 mm (4.4 inches)81%very high
June Weather19°C (66°F)92 mm (3.6 inches)83%very high
July Weather23°C (73°F)104 mm (4.1 inches)82%very high
August Weather23°C (73°F)77 mm (3.0 inches)76%very high
September Weather20°C (68°F)91 mm (3.6 inches)77%very high
October Weather15°C (59°F)139 mm (5.5 inches)82%high
November Weather7°C (44°F)137 mm (5.4 inches)89%moderate
December Weather3°C (37°F)115 mm (4.5 inches)86%low

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