December Weather in Willow Valley, United States

Last updated: June 24, 2025

In December, the average temperature in Willow Valley, United States hovers around 11°C (52°F), with a minimum dipping to -1°C (31°F) and a maximum peaking at 26°C (79°F). During this time, expect 13 mm (0.5 in) of precipitation spread over 3 days, contributing to an average humidity of 77%. Enjoy the mild climate while staying prepared for the occasional shower!

December Temperature in Willow Valley

In December in Willow Valley, the average temperature is 11°C (52°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -1°C (31°F). This range of temperatures makes Willow Valley an ideal destination for travelers seeking a mix of mild and cooler weather experiences.

December Weather in Willow Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Willow Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willow Valley, December typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec525562727990959486726152
Data source: Temperature data for Willow Valley 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.

December Precipitation in Willow Valley

In Willow Valley in December, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

December Precipitation Trends in Willow Valley

The chart displays monthly precipitation patterns in Willow Valley, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Willow Valley, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec222024331186782313
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Willow Valley

In Willow Valley in December humidity is 77%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable if not properly dressed, as the moisture in the air amplifies the cold, leaving travelers feeling cooler than expected.

December Average Humidity in Willow Valley

This chart illustrates the average monthly humidity levels in Willow Valley, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Willow Valley is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%80%68%58%45%31%27%30%48%60%70%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Willow Valley

In Willow Valley in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Willow Valley for better planning.

Maximum UV Index Levels in Willow Valley for December

The chart shows the monthly maximum UV Index (UVI) for Willow Valley in December, 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 December, the maximum UV index in Willow Valley typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Willow Valley December 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 December Weather in Willow Valley Compares to Other Months

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

This table compares monthly weather conditions in Willow Valley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)22 mm (0.9 inches)77%moderate
February Weather13°C (55°F)20 mm (0.8 inches)80%high
March Weather17°C (62°F)24 mm (0.9 inches)68%very high
April Weather22°C (72°F)3 mm (0.1 inches)58%very high
May Weather26°C (79°F)3 mm (0.1 inches)45%extreme
June Weather32°C (91°F)1 mm (0.0 inches)31%extreme
July Weather35°C (95°F)18 mm (0.7 inches)27%extreme
August Weather35°C (94°F)6 mm (0.2 inches)30%extreme
September Weather30°C (87°F)7 mm (0.3 inches)48%very high
October Weather22°C (72°F)8 mm (0.3 inches)59%high
November Weather16°C (62°F)23 mm (0.9 inches)70%moderate
December Weather11°C (52°F)13 mm (0.5 inches)77%moderate

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