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December Weather in Richgrove, United States

Last updated: June 24, 2025

In December, the average temperature in Richgrove, United States hovers around 10°C (50°F). You'll experience a comfortable range, with minimum temperatures dipping to 0°C (32°F) and maximums reaching up to 24°C (75°F). Be prepared for some rain, as 59 mm (2.3 in) of precipitation is expected over 8 days. With an average humidity of 76%, it's a month that invites cozy attire and a warm cup of your favorite beverage!

December Temperature in Richgrove

In December in Richgrove, the average temperature is 10°C (50°F). Maximums can reach 24°C (75°F) and minimums can be as low as 0°C (32°F). Dress in layers to enjoy the varying temperatures while exploring all that Richgrove has to offer.

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

The chart illustrates December temperature patterns in Richgrove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richgrove, December typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (75°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec505256637080878679675850
Data source: Temperature data for Richgrove 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 Richgrove

In Richgrove in December, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

December Precipitation Trends in Richgrove

The chart displays monthly precipitation patterns in Richgrove, 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 Richgrove, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5962783323100293059
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Richgrove

In Richgrove in December, humidity is 76%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities quite uncomfortable and necessitating a layer of warmth for traveling.

December Average Humidity in Richgrove

This chart illustrates the average monthly humidity levels in Richgrove, 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 Richgrove is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Richgrove

In Richgrove in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Richgrove, you can check the information here.

Maximum UV Index Levels in Richgrove for December

The chart shows the monthly maximum UV Index (UVI) for Richgrove 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 Richgrove typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101111119753
Data source: Richgrove 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 Richgrove Compares to Other Months

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

This table compares monthly weather conditions in Richgrove, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)58 mm (2.3 inches)78%moderate
February Weather11°C (52°F)62 mm (2.4 inches)82%moderate
March Weather13°C (56°F)78 mm (3.1 inches)75%very high
April Weather17°C (63°F)33 mm (1.3 inches)68%very high
May Weather21°C (70°F)23 mm (0.9 inches)57%very high
June Weather27°C (81°F)1 mm (0.0 inches)52%extreme
July Weather31°C (87°F)0 mm (0.0 inches)46%extreme
August Weather30°C (86°F)0 mm (0.0 inches)39%extreme
September Weather26°C (79°F)2 mm (0.1 inches)48%very high
October Weather20°C (68°F)9 mm (0.4 inches)59%high
November Weather14°C (58°F)30 mm (1.2 inches)72%moderate
December Weather10°C (50°F)59 mm (2.3 inches)76%moderate

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