January Weather in Plain, United States

Last updated: June 24, 2025

In Plain, United States during January, the average temperature hovers around -6°C (21°F). Expect a chilling minimum of -33°C (-27°F), while the thermometer can reach a comfortable maximum of 10°C (51°F). Rain or snow may grace the area with a total precipitation of 45 mm (1.8 in) spread across 8 days. Coupled with an average humidity level of 84%, this month promises a truly wintry experience!

January Temperature in Plain

In January in Plain, the average temperature is -6°C (21°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -33°C (-27°F). Travelers should be prepared for a wide range of temperatures and dress warmly to enjoy their visit.

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

The chart illustrates January temperature patterns in Plain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plain, January typically has an average temperature of -6°C (21°F), with highs reaching up to 10°C (51°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Plain

In Plain in January, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

January Precipitation Trends in Plain

The chart displays monthly precipitation patterns in Plain, 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 Plain, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 8 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 Plain

In Plain in January humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

January Average Humidity in Plain

This chart illustrates the average monthly humidity levels in Plain, 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 Plain is approximately 84%, 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 Plain

In Plain 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 Plain, you can visit Hourly UV Index in Plain.

Maximum UV Index Levels in Plain for January

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

Data source: Plain 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 Plain Compares to Other Months

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

This table compares monthly weather conditions in Plain, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	45 mm (1.8 inches)	84%	low
February Weather	-6°C (22°F)	55 mm (2.2 inches)	85%	moderate
March Weather	2°C (36°F)	56 mm (2.2 inches)	84%	moderate
April Weather	8°C (46°F)	85 mm (3.4 inches)	83%	very high
May Weather	15°C (60°F)	130 mm (5.1 inches)	75%	very high
June Weather	21°C (71°F)	113 mm (4.4 inches)	79%	very high
July Weather	24°C (75°F)	95 mm (3.7 inches)	75%	very high
August Weather	22°C (71°F)	106 mm (4.2 inches)	69%	very high
September Weather	18°C (65°F)	117 mm (4.6 inches)	74%	very high
October Weather	10°C (51°F)	114 mm (4.5 inches)	79%	moderate
November Weather	2°C (36°F)	45 mm (1.8 inches)	88%	moderate
December Weather	-2°C (29°F)	43 mm (1.7 inches)	82%	low