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December Weather in Visalia, United States

Last updated: June 24, 2025

In December, the average temperature in Visalia, United States hovers around 10°C (50°F), with a typical range that can drop to a chilly -1°C (31°F) and peak at a warm 23°C (74°F). During this month, expect about 78 mm (3.1 in) of precipitation spread over 8 days, contributing to an average humidity of 79%.

December Temperature in Visalia

In December in Visalia, the average temperature is 10°C (50°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -1°C (31°F). This variation in temperature makes it essential for travelers to pack layered clothing to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Visalia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Visalia, December typically has an average temperature of 10°C (50°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec505256637081888780685850
Data source: Temperature data for Visalia 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 Visalia

In Visalia in December, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

December Precipitation Trends in Visalia

The chart displays monthly precipitation patterns in Visalia, 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 Visalia, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec868711344301002134278
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Visalia

In Visalia in December humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

December Average Humidity in Visalia

This chart illustrates the average monthly humidity levels in Visalia, 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 Visalia is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Visalia

In Visalia 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 Visalia, you can check the information here.

Maximum UV Index Levels in Visalia for December

The chart shows the monthly maximum UV Index (UVI) for Visalia 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 Visalia typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109753
Data source: Visalia 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 Visalia Compares to Other Months

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

This table compares monthly weather conditions in Visalia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)86 mm (3.4 inches)82%moderate
February Weather11°C (52°F)87 mm (3.4 inches)85%moderate
March Weather13°C (57°F)113 mm (4.5 inches)80%very high
April Weather17°C (64°F)44 mm (1.7 inches)72%very high
May Weather21°C (71°F)30 mm (1.2 inches)58%very high
June Weather27°C (81°F)1 mm (0.0 inches)49%extreme
July Weather31°C (88°F)0 mm (0.0 inches)36%extreme
August Weather31°C (87°F)0 mm (0.0 inches)30%very high
September Weather27°C (80°F)2 mm (0.1 inches)42%very high
October Weather20°C (68°F)13 mm (0.5 inches)59%high
November Weather14°C (58°F)42 mm (1.7 inches)78%moderate
December Weather10°C (50°F)78 mm (3.1 inches)79%moderate

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