December Weather in Isanti, United States

Last updated: June 24, 2025

In December, the average temperature in Isanti, United States hovers around -6°C (22°F). Expect chilly conditions, with minimums plunging to -27°C (-16°F) and maximums reaching a brisk 13°C (56°F). During this time, precipitation averages 49 mm (1.9 in) spread over 7 days, resulting in a humid atmosphere with an average humidity of 84%.

December Temperature in Isanti

In December in Isanti, the average temperature is -6°C (22°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -27°C (-16°F). It's advisable to bundle up and prepare for chilly weather if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Isanti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isanti, December typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (56°F) and lows dropping to around -27°C (-16°F).

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

December Precipitation in Isanti

In Isanti in December, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

December Precipitation Trends in Isanti

The chart displays monthly precipitation patterns in Isanti, 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 Isanti, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Isanti

In Isanti in December humidity is 84%. With an average temperature of -6°C (22°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel feel much more uncomfortable and harsh than the temperature alone suggests.

December Average Humidity in Isanti

This chart illustrates the average monthly humidity levels in Isanti, 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 Isanti is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Isanti

In Isanti in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Isanti, you can visit Hourly UV Index in Isanti.

Maximum UV Index Levels in Isanti for December

The chart shows the monthly maximum UV Index (UVI) for Isanti 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 Isanti typically reaches 2, which falls under the low exposure category.

Data source: Isanti 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 Isanti Compares to Other Months

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

This table compares monthly weather conditions in Isanti, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (15°F)	20 mm (0.8 inches)	87%	low
February Weather	-9°C (16°F)	29 mm (1.1 inches)	90%	moderate
March Weather	0°C (32°F)	51 mm (2.0 inches)	85%	moderate
April Weather	6°C (42°F)	95 mm (3.7 inches)	84%	high
May Weather	15°C (58°F)	104 mm (4.1 inches)	78%	very high
June Weather	21°C (71°F)	74 mm (2.9 inches)	80%	very high
July Weather	23°C (74°F)	102 mm (4.0 inches)	81%	very high
August Weather	21°C (70°F)	136 mm (5.3 inches)	81%	very high
September Weather	17°C (63°F)	108 mm (4.3 inches)	81%	high
October Weather	9°C (48°F)	105 mm (4.1 inches)	84%	moderate
November Weather	0°C (32°F)	34 mm (1.4 inches)	88%	moderate
December Weather	-6°C (22°F)	49 mm (1.9 inches)	84%	low