January Weather in Rexburg, United States

Last updated: June 24, 2025

In January, the average temperature in Rexburg, United States hovers around -6°C (22°F), making it a chilly time of year. You might experience a minimum temperature of -25°C (-14°F), while the maximum can reach a more mild 8°C (46°F). Prepare for the elements, as 46 mm (1.8 in) of precipitation is expected over 11 days, contributing to an average humidity of 95%. Bundle up and embrace the winter wonderland!

January Temperature in Rexburg

In January in Rexburg, the average temperature is -6°C (22°F). The maximum can reach 8°C (46°F), and the minimum can drop as low as -25°C (-14°F). Travelers should be well-prepared for cold weather and fluctuations in temperature during this time.

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

The chart illustrates January temperature patterns in Rexburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rexburg, January typically has an average temperature of -6°C (22°F), with highs reaching up to 8°C (46°F) and lows dropping to around -25°C (-14°F).

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

January Precipitation in Rexburg

In Rexburg in January, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

January Precipitation Trends in Rexburg

The chart displays monthly precipitation patterns in Rexburg, 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 Rexburg, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 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 Rexburg

In Rexburg in January, humidity is 95%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that penetrates layers of clothing, making outdoor activities uncomfortable and breath feel heavy, even as the cold air clings to your skin.

January Average Humidity in Rexburg

This chart illustrates the average monthly humidity levels in Rexburg, 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 Rexburg is approximately 95%, 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 Rexburg

In Rexburg 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 Rexburg, you can check the information here.

Maximum UV Index Levels in Rexburg for January

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

Data source: Rexburg 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 Rexburg Compares to Other Months

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

This table compares monthly weather conditions in Rexburg, 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 (22°F)	46 mm (1.8 inches)	95%	moderate
February Weather	-3°C (26°F)	52 mm (2.1 inches)	95%	moderate
March Weather	2°C (35°F)	46 mm (1.8 inches)	90%	very high
April Weather	6°C (43°F)	60 mm (2.4 inches)	81%	very high
May Weather	11°C (53°F)	65 mm (2.6 inches)	71%	very high
June Weather	17°C (63°F)	36 mm (1.4 inches)	64%	extreme
July Weather	22°C (72°F)	8 mm (0.3 inches)	59%	extreme
August Weather	21°C (70°F)	19 mm (0.7 inches)	49%	very high
September Weather	16°C (60°F)	30 mm (1.2 inches)	52%	very high
October Weather	7°C (44°F)	44 mm (1.7 inches)	69%	high
November Weather	1°C (35°F)	41 mm (1.6 inches)	86%	moderate
December Weather	-5°C (24°F)	49 mm (1.9 inches)	91%	moderate