January Weather in American Falls, United States

Last updated: June 24, 2025

In January, the average temperature in American Falls, United States hovers around -3°C (26°F), but be prepared for a chilly range where the minimum can plunge to -26°C (-14°F) and the maximum can reach up to 11°C (52°F). Expect about 43 mm (1.7 in) of precipitation spread over 10 days, contributing to an average humidity of 91%.

January Temperature in American Falls

In January in American Falls, the average temperature is -3°C (26°F). Maximums can reach 11°C (52°F) and minimums can drop as low as -26°C (-14°F). Pack warm clothing and be prepared for chilly conditions if you plan to travel during this time.

January Weather in American Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in American Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In American Falls, January typically has an average temperature of -3°C (26°F), with highs reaching up to 11°C (52°F) and lows dropping to around -26°C (-14°F).

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

January Precipitation in American Falls

In American Falls in January, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

January Precipitation Trends in American Falls

The chart displays monthly precipitation patterns in American Falls, 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 American Falls, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 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 American Falls

In American Falls in January humidity is 91%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that penetrates through your clothing, making travel uncomfortable and the air crisp with an eerie dampness that can quickly sap your energy.

January Average Humidity in American Falls

This chart illustrates the average monthly humidity levels in American Falls, 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 American Falls is approximately 91%, 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 American Falls

In American Falls in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in American Falls, you can check the information here.

Maximum UV Index Levels in American Falls for January

The chart shows the monthly maximum UV Index (UVI) for American Falls 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 American Falls typically reaches 3, which falls under the moderate exposure category.

Data source: American Falls 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 American Falls Compares to Other Months

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

This table compares monthly weather conditions in American Falls, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	43 mm (1.7 inches)	91%	moderate
February Weather	-2°C (29°F)	55 mm (2.2 inches)	92%	moderate
March Weather	3°C (38°F)	46 mm (1.8 inches)	85%	high
April Weather	8°C (46°F)	51 mm (2.0 inches)	76%	very high
May Weather	13°C (56°F)	51 mm (2.0 inches)	66%	very high
June Weather	19°C (67°F)	24 mm (0.9 inches)	62%	extreme
July Weather	24°C (76°F)	13 mm (0.5 inches)	53%	extreme
August Weather	22°C (73°F)	16 mm (0.6 inches)	42%	very high
September Weather	17°C (63°F)	27 mm (1.1 inches)	46%	very high
October Weather	8°C (47°F)	38 mm (1.5 inches)	64%	high
November Weather	3°C (37°F)	30 mm (1.2 inches)	83%	moderate
December Weather	-3°C (28°F)	43 mm (1.7 inches)	87%	moderate