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May Weather in Willow Creek, United States

Last updated: June 24, 2025

In May, the average temperature in Willow Creek, United States hovers around 12°C (54°F), offering a mild climate. Expect a temperature range that can dip to a chilly -1°C (30°F) or climb to a warm 28°C (82°F). During this month, precipitation typically amounts to 68 mm (2.7 in) over approximately 6 days, contributing to an overall average humidity of 81%.

May Temperature in Willow Creek

In May in Willow Creek, the average temperature is 12°C (54°F). Maximum temperatures can reach up to 28°C (82°F), while minimums can drop as low as -1°C (30°F). This variation makes it essential for travelers to pack layers and be prepared for both warm days and cooler evenings.

May Weather in Willow Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Willow Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willow Creek, May typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec414144485360656561544640
Data source: Temperature data for Willow Creek 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.

May Precipitation in Willow Creek

In Willow Creek in May, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

May Precipitation Trends in Willow Creek

The chart displays monthly precipitation patterns in Willow Creek, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Willow Creek, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2432281871216824213470160182
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Willow Creek

In Willow Creek in May humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.

May Average Humidity in Willow Creek

This chart illustrates the average monthly humidity levels in Willow Creek, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Willow Creek is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Willow Creek

In Willow Creek in May, 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 Willow Creek.

Maximum UV Index Levels in Willow Creek for May

The chart shows the monthly maximum UV Index (UVI) for Willow Creek in May, 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 May, the maximum UV index in Willow Creek typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478111110109642
Data source: Willow Creek May 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 May Weather in Willow Creek Compares to Other Months

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

This table compares monthly weather conditions in Willow Creek, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)243 mm (9.5 inches)86%moderate
February Weather5°C (42°F)228 mm (9.0 inches)85%moderate
March Weather7°C (44°F)187 mm (7.4 inches)85%high
April Weather9°C (49°F)121 mm (4.8 inches)82%very high
May Weather12°C (54°F)68 mm (2.7 inches)81%extreme
June Weather15°C (60°F)24 mm (1.0 inches)79%extreme
July Weather18°C (65°F)2 mm (0.1 inches)70%very high
August Weather19°C (66°F)1 mm (0.0 inches)60%very high
September Weather16°C (61°F)34 mm (1.3 inches)62%very high
October Weather12°C (54°F)69 mm (2.7 inches)72%high
November Weather8°C (46°F)160 mm (6.3 inches)87%moderate
December Weather5°C (40°F)182 mm (7.2 inches)86%low

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