January Weather in Plains, United States

Last updated: June 24, 2025

In January, the average temperature in Plains, United States hovers around 10°C (50°F), with a wide range between a chilly -8°C (19°F) and a warm 27°C (82°F). Visitors can expect 97 mm (3.8 in) of precipitation spread over 9 days, resulting in a notably high average humidity of 85%. Be prepared for a mix of weather as you explore!

January Temperature in Plains

In January in Plains, the average temperature is 10°C (50°F). The maximum can reach 27°C (82°F) and the minimum can be as low as -8°C (19°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Plains, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plains, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (82°F) and lows dropping to around -8°C (19°F).

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

January Precipitation in Plains

In Plains in January, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 days.

January Precipitation Trends in Plains

The chart displays monthly precipitation patterns in Plains, 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 Plains, January typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 9 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 Plains

In Plains in January, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

January Average Humidity in Plains

This chart illustrates the average monthly humidity levels in Plains, 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 Plains is approximately 85%, 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 Plains

In Plains in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Plains for better planning.

Maximum UV Index Levels in Plains for January

The chart shows the monthly maximum UV Index (UVI) for Plains 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 Plains typically reaches 4, which falls under the moderate exposure category.

Data source: Plains 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 Plains Compares to Other Months

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

This table compares monthly weather conditions in Plains, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	97 mm (3.8 inches)	85%	moderate
February Weather	13°C (56°F)	118 mm (4.6 inches)	82%	high
March Weather	16°C (61°F)	94 mm (3.7 inches)	80%	very high
April Weather	19°C (66°F)	116 mm (4.6 inches)	76%	very high
May Weather	23°C (74°F)	91 mm (3.6 inches)	73%	extreme
June Weather	26°C (79°F)	102 mm (4.0 inches)	74%	extreme
July Weather	27°C (82°F)	113 mm (4.5 inches)	80%	extreme
August Weather	27°C (81°F)	112 mm (4.4 inches)	79%	extreme
September Weather	26°C (79°F)	105 mm (4.1 inches)	83%	very high
October Weather	21°C (71°F)	115 mm (4.5 inches)	77%	very high
November Weather	14°C (57°F)	61 mm (2.4 inches)	84%	high
December Weather	11°C (53°F)	132 mm (5.2 inches)	88%	moderate