January Weather in Fort Sumner, United States

Last updated: June 24, 2025

In January, the average temperature in Fort Sumner, United States hovers around 5°C (41°F). Expect a chilly range with a minimum of -13°C (10°F) and a warm maximum reaching 23°C (73°F). Rainfall is moderate, averaging 11 mm (0.4 in) over just 2 days, and the air carries a noticeable average humidity of 74%.

January Temperature in Fort Sumner

In January in Fort Sumner, the average temperature is 5°C (41°F). The maximum can reach 23°C (73°F), and the minimum can be as low as -13°C (10°F). This variety of temperatures makes it a great time for travelers to enjoy both the crisp winter air and occasional warmer days.

January Weather in Fort Sumner: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Fort Sumner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Sumner, January typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (73°F) and lows dropping to around -13°C (10°F).

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

January Precipitation in Fort Sumner

In Fort Sumner in January, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in Fort Sumner

The chart displays monthly precipitation patterns in Fort Sumner, 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 Fort Sumner, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 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 Fort Sumner

In Fort Sumner in January humidity is 74%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to dress in layers for warmth and comfort.

January Average Humidity in Fort Sumner

This chart illustrates the average monthly humidity levels in Fort Sumner, 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 Fort Sumner is approximately 74%, 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 Fort Sumner

In Fort Sumner 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 Fort Sumner for better planning.

Maximum UV Index Levels in Fort Sumner for January

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

Data source: Fort Sumner 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 Fort Sumner Compares to Other Months

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

This table compares monthly weather conditions in Fort Sumner, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	11 mm (0.4 inches)	74%	moderate
February Weather	7°C (44°F)	10 mm (0.4 inches)	75%	high
March Weather	12°C (53°F)	30 mm (1.2 inches)	61%	very high
April Weather	16°C (60°F)	17 mm (0.7 inches)	61%	extreme
May Weather	21°C (70°F)	27 mm (1.1 inches)	69%	extreme
June Weather	26°C (79°F)	35 mm (1.4 inches)	74%	extreme
July Weather	27°C (81°F)	22 mm (0.9 inches)	75%	extreme
August Weather	26°C (79°F)	43 mm (1.7 inches)	78%	extreme
September Weather	22°C (73°F)	31 mm (1.2 inches)	76%	very high
October Weather	15°C (59°F)	52 mm (2.0 inches)	76%	very high
November Weather	10°C (50°F)	13 mm (0.5 inches)	80%	high
December Weather	6°C (43°F)	8 mm (0.3 inches)	77%	moderate