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January Weather in Bloomington, United States

Last updated: June 24, 2025

In Bloomington, United States, the average temperature in January hovers around 0°C (32°F). Expect to experience a chilly range, with minimum temperatures plummeting to -23°C (-9°F) and reaching a maximum of 19°C (66°F). Be prepared for some rain, as 87 mm (3.4 in) of precipitation is expected over 9 days, contributing to an average humidity of a high 87%.

January Temperature in Bloomington

In January in Bloomington, the average temperature is 0°C (32°F). Maximum temperatures can reach 19°C (66°F), while minimums can plummet to as low as -23°C (-9°F). Be prepared for a wide range of weather conditions if you plan to travel during this time.

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

The chart illustrates January 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, January typically has an average temperature of 0°C (32°F), with highs reaching up to 19°C (66°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec323544536574777570584337
Data source: Temperature data for Bloomington 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.

January Precipitation in Bloomington

In Bloomington in January, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

January Precipitation Trends in Bloomington

The chart displays monthly precipitation patterns in Bloomington, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Bloomington, January typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec871061301151311321111007310210896
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bloomington

In Bloomington in January, humidity is 87%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your skin, making travel uncomfortable and cold, as each breath brings a heavy moisture that seeps into your clothes.

January Average Humidity in Bloomington

This chart illustrates the average monthly humidity levels in Bloomington, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Bloomington

In Bloomington in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Bloomington in January, 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 January, the maximum UV index in Bloomington typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Bloomington January 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 January 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 January’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 January’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

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