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April Weather in Willow Creek, United States

Last updated: June 24, 2025

In Willow Creek, United States, the average temperature in April hovers around 9°C (49°F). During this time, temperatures can dip as low as -3°C (28°F) or rise to a warm 25°C (77°F). Expect about 121 mm (4.8 in) of precipitation spread over 10 days, contributing to an average humidity of 82%. Plan accordingly for a mix of cool weather and occasional rain!

April Temperature in Willow Creek

In April in Willow Creek, the average temperature is 9°C (49°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -3°C (28°F). This wide range makes Willow Creek a destination for diverse weather experiences, so be sure to pack accordingly!

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

The chart illustrates April 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, April typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (28°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.

April Precipitation in Willow Creek

In Willow Creek in April, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 days.

April Precipitation Trends in Willow Creek

The chart displays monthly precipitation patterns in Willow Creek, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Willow Creek, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2432281871216824213470160182
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Willow Creek

In Willow Creek in April, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

April Average Humidity in Willow Creek

This chart illustrates the average monthly humidity levels in Willow Creek, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Willow Creek is approximately 82%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Willow Creek

In Willow Creek in April, 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 Willow Creek.

Maximum UV Index Levels in Willow Creek for April

The chart shows the monthly maximum UV Index (UVI) for Willow Creek in April, 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 April, the maximum UV index in Willow Creek typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478111110109642
Data source: Willow Creek April 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 April 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 April’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 April’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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