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December Weather in Madrone, United States

Last updated: June 24, 2025

In December, the average temperature in Madrone, United States hovers around 4°C (39°F). While chilly days can bring temperatures as low as -15°C (5°F), you can also enjoy the occasional warm spell reaching up to 19°C (66°F). During this month, expect about 11 mm (0.4 in) of precipitation spread over just 2 days, and a notable average humidity of 79% adds to the crisp atmosphere.

December Temperature in Madrone

In December in Madrone, the average temperature is 4°C (39°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a wide temperature range and pack accordingly for both chilly and mild conditions.

December Weather in Madrone: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Madrone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madrone, December typically has an average temperature of 4°C (39°F), with highs reaching up to 19°C (66°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec384352606979807973594939
Data source: Temperature data for Madrone 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 Madrone

In Madrone in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in Madrone

The chart displays monthly precipitation patterns in Madrone, 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 Madrone, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec15171212813261623231311
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Madrone

In Madrone in December, humidity is 79%. With an average temperature of 4°C (39°F), this humidity feels like a chilly blanket enveloping you, making travel outdoors brisk and invigorating but also requiring extra layers to stay comfortable amidst the dampness.

December Average Humidity in Madrone

This chart illustrates the average monthly humidity levels in Madrone, 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 Madrone is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Madrone

In Madrone 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 Madrone for better planning.

Maximum UV Index Levels in Madrone for December

The chart shows the monthly maximum UV Index (UVI) for Madrone 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 Madrone typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213121211864
Data source: Madrone 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 Madrone Compares to Other Months

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

This table compares monthly weather conditions in Madrone, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)15 mm (0.6 inches)78%moderate
February Weather6°C (43°F)17 mm (0.7 inches)79%high
March Weather11°C (52°F)12 mm (0.5 inches)66%very high
April Weather16°C (61°F)12 mm (0.5 inches)60%extreme
May Weather21°C (69°F)7 mm (0.3 inches)57%extreme
June Weather26°C (79°F)13 mm (0.5 inches)55%extreme
July Weather27°C (80°F)26 mm (1.0 inches)56%extreme
August Weather26°C (79°F)16 mm (0.6 inches)65%extreme
September Weather23°C (73°F)23 mm (0.9 inches)72%extreme
October Weather15°C (60°F)23 mm (0.9 inches)78%very high
November Weather9°C (49°F)13 mm (0.5 inches)81%high
December Weather4°C (39°F)11 mm (0.4 inches)79%moderate

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