January Weather in Forest Lake, United States

Last updated: June 24, 2025

In January, the average temperature in Forest Lake, United States hovers around -9°C (16°F), with extremes ranging from a chilling -34°C (-28°F) to a mild 6°C (44°F). Expect 24 mm (0.9 in) of precipitation over approximately 5 days, while the average humidity remains high at 87%. Bundle up and prepare for a truly wintry experience!

January Temperature in Forest Lake

In January in Forest Lake, the average temperature is -9°C (16°F), with maximums reaching 6°C (44°F) and minimums plunging as low as -34°C (-28°F). Be sure to bundle up and prepare for a wide range of temperatures if you're planning to travel during this time.

January Weather in Forest Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Forest Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forest Lake, January typically has an average temperature of -9°C (16°F), with highs reaching up to 6°C (44°F) and lows dropping to around -34°C (-28°F).

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

January Precipitation in Forest Lake

In Forest Lake in January, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

January Precipitation Trends in Forest Lake

The chart displays monthly precipitation patterns in Forest Lake, 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 Forest Lake, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Forest Lake

In Forest Lake in January humidity is 87%. With an average temperature of -9°C (16°F), this humidity feels like a heavy blanket of moisture that clings to your skin, making it uncomfortable for traveling and causing your breath to mist in the cold air while navigating the wintry landscape.

January Average Humidity in Forest Lake

This chart illustrates the average monthly humidity levels in Forest Lake, 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 Forest Lake is approximately 87%, 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 Forest Lake

In Forest Lake in January, 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 Forest Lake, you can visit Hourly UV Index in Forest Lake.

Maximum UV Index Levels in Forest Lake for January

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

Data source: Forest Lake 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 Forest Lake Compares to Other Months

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

This table compares monthly weather conditions in Forest Lake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	24 mm (0.9 inches)	87%	low
February Weather	-9°C (17°F)	34 mm (1.3 inches)	90%	moderate
March Weather	0°C (33°F)	53 mm (2.1 inches)	85%	moderate
April Weather	6°C (43°F)	90 mm (3.5 inches)	84%	high
May Weather	15°C (59°F)	122 mm (4.8 inches)	78%	very high
June Weather	22°C (71°F)	85 mm (3.3 inches)	80%	very high
July Weather	23°C (74°F)	105 mm (4.1 inches)	81%	very high
August Weather	21°C (71°F)	128 mm (5.1 inches)	81%	very high
September Weather	18°C (64°F)	111 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	104 mm (4.1 inches)	84%	moderate
November Weather	0°C (33°F)	37 mm (1.4 inches)	88%	moderate
December Weather	-5°C (23°F)	52 mm (2.0 inches)	84%	low