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December Weather in Bolivar, United States

Last updated: June 24, 2025

In December, the average temperature in Bolivar, United States hovers around 4°C (39°F). Expect a chilly range, with minimums dipping as low as -12°C (11°F) and maximums reaching up to 20°C (68°F). Prepare for 93 mm (3.6 in) of precipitation over about 9 days, contributing to an average humidity of 85%.

December Temperature in Bolivar

In December in Bolivar, the average temperature is 4°C (39°F), with maximums reaching up to 20°C (68°F) and minimums falling as low as -12°C (11°F). This range offers a diverse climate, so travelers should prepare for both mild days and colder conditions.

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

The chart illustrates December temperature patterns in Bolivar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolivar, December typically has an average temperature of 4°C (39°F), with highs reaching up to 20°C (68°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec353945556573797670614639
Data source: Temperature data for Bolivar 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 Bolivar

In Bolivar in December, the precipitation amount is 93 mm (3.6 in) during a span of 9 days.

December Precipitation Trends in Bolivar

The chart displays monthly precipitation patterns in Bolivar, 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 Bolivar, December typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6094851001381081241101031008493
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bolivar

In Bolivar in December, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

December Average Humidity in Bolivar

This chart illustrates the average monthly humidity levels in Bolivar, 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 Bolivar is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bolivar

In Bolivar 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 Bolivar, you can check the information here.

Maximum UV Index Levels in Bolivar for December

The chart shows the monthly maximum UV Index (UVI) for Bolivar 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 Bolivar typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Bolivar 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 Bolivar Compares to Other Months

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

This table compares monthly weather conditions in Bolivar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)59 mm (2.3 inches)86%moderate
February Weather4°C (40°F)94 mm (3.7 inches)86%moderate
March Weather7°C (45°F)85 mm (3.4 inches)86%high
April Weather13°C (55°F)100 mm (4.0 inches)84%very high
May Weather18°C (65°F)138 mm (5.4 inches)78%very high
June Weather23°C (74°F)108 mm (4.2 inches)79%very high
July Weather26°C (79°F)124 mm (4.9 inches)70%very high
August Weather25°C (77°F)110 mm (4.3 inches)59%very high
September Weather21°C (71°F)103 mm (4.1 inches)68%very high
October Weather16°C (61°F)100 mm (3.9 inches)80%high
November Weather8°C (46°F)83 mm (3.3 inches)86%moderate
December Weather4°C (39°F)93 mm (3.6 inches)85%moderate

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