nomadseason

December Weather in Bloomington, United States

Last updated: June 24, 2025

In December, the average temperature in Bloomington, United States hovers around 3°C (38°F), with a minimum dipping to -18°C (1°F) and a maximum soaring to 19°C (67°F). Expect 96 mm (3.8 in) of precipitation over 10 days, accompanied by an average humidity level of a humid 87%.

December Temperature in Bloomington

In December in Bloomington, the average temperature is 3°C (38°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both cold and mild weather.

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

The chart illustrates December temperature patterns in Bloomington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bloomington, December typically has an average temperature of 3°C (38°F), with highs reaching up to 19°C (67°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec323544536574777570584337
Data source: Temperature data for Bloomington generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bloomington

In Bloomington in December, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

December Precipitation Trends in Bloomington

The chart displays monthly precipitation patterns in Bloomington, 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 Bloomington, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec871061301151311321111007310210896
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Bloomington

In Bloomington in December humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

December Average Humidity in Bloomington

This chart illustrates the average monthly humidity levels in Bloomington, 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 Bloomington is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bloomington

In Bloomington 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 Bloomington, you can check the information here.

Maximum UV Index Levels in Bloomington for December

The chart shows the monthly maximum UV Index (UVI) for Bloomington 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 Bloomington typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Bloomington 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 Bloomington Compares to Other Months

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

This table compares monthly weather conditions in Bloomington, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)87 mm (3.4 inches)87%moderate
February Weather2°C (36°F)106 mm (4.2 inches)85%moderate
March Weather7°C (45°F)130 mm (5.1 inches)86%high
April Weather12°C (53°F)115 mm (4.5 inches)84%very high
May Weather18°C (65°F)131 mm (5.2 inches)79%very high
June Weather23°C (74°F)131 mm (5.2 inches)82%extreme
July Weather25°C (77°F)111 mm (4.4 inches)79%very high
August Weather24°C (75°F)100 mm (3.9 inches)70%very high
September Weather21°C (71°F)73 mm (2.9 inches)69%very high
October Weather15°C (59°F)101 mm (4.0 inches)76%high
November Weather6°C (43°F)108 mm (4.3 inches)88%moderate
December Weather3°C (38°F)96 mm (3.8 inches)87%moderate

Compare Bloomington's Climate with Cities Worldwide