January Weather in Bloomington, United States

Last updated: June 24, 2025

In January, the average temperature in Bloomington, United States hovers around 14°C (57°F). You can expect a range from a chilling -5°C (22°F) to a warm 31°C (89°F). Throughout the month, anticipate 52 mm (2.1 in) of precipitation over 7 days, with an average humidity level of 78%. Enjoy the diverse climate of this unique location!

January Temperature in Bloomington

In January in Bloomington, the average temperature is 14°C (57°F). Maximums can reach 31°C (89°F), and minimums can drop as low as -5°C (22°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for their visit.

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 14°C (57°F), with highs reaching up to 31°C (89°F) and lows dropping to around -5°C (22°F).

Data source: Temperature data for Bloomington generated using information from the Copernicus Climate Change Service.

January Precipitation in Bloomington

In Bloomington in January, the precipitation amount is 52 mm (2.1 in) over the course of 7 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 52 mm (2.1 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Bloomington

In Bloomington in January, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

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 78%, offering insight into how humid the weather typically is during this month.

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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Bloomington.

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 5, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	52 mm (2.1 inches)	78%	moderate
February Weather	15°C (59°F)	55 mm (2.2 inches)	81%	very high
March Weather	20°C (67°F)	59 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	69 mm (2.7 inches)	79%	extreme
May Weather	26°C (79°F)	118 mm (4.7 inches)	79%	extreme
June Weather	28°C (83°F)	132 mm (5.2 inches)	74%	extreme
July Weather	29°C (85°F)	99 mm (3.9 inches)	71%	extreme
August Weather	30°C (86°F)	94 mm (3.7 inches)	68%	extreme
September Weather	27°C (82°F)	137 mm (5.4 inches)	73%	extreme
October Weather	23°C (74°F)	76 mm (3.0 inches)	75%	very high
November Weather	18°C (64°F)	69 mm (2.7 inches)	78%	high
December Weather	15°C (60°F)	68 mm (2.7 inches)	84%	moderate