January Weather in Fossil, United States

Last updated: June 24, 2025

In Fossil, United States, the average temperature in January hovers around 1°C (34°F). Expect a chilly range, with minimums dipping to -26°C (-14°F) and a maximum of 15°C (60°F). During this period, the region experiences a precipitation total of 51 mm (2.0 in) spread over 12 days, while the average humidity remains high at 86%. Stay warm and prepared!

January Temperature in Fossil

In January in Fossil, the average temperature is 1°C (34°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -26°C (-14°F). Travelers should prepare for a wide range of temperatures, ensuring they dress in layers to stay comfortable throughout the day.

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

The chart illustrates January temperature patterns in Fossil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fossil, January typically has an average temperature of 1°C (34°F), with highs reaching up to 15°C (60°F) and lows dropping to around -26°C (-14°F).

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

January Precipitation in Fossil

In Fossil in January, the precipitation amount is 51 mm (2.0 in) spread over 12 days.

January Precipitation Trends in Fossil

The chart displays monthly precipitation patterns in Fossil, 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 Fossil, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 12 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 Fossil

In Fossil in January, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

January Average Humidity in Fossil

This chart illustrates the average monthly humidity levels in Fossil, 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 Fossil is approximately 86%, 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 Fossil

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

Maximum UV Index Levels in Fossil for January

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

Data source: Fossil 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 Fossil Compares to Other Months

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

This table compares monthly weather conditions in Fossil, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	51 mm (2.0 inches)	86%	low
February Weather	1°C (35°F)	68 mm (2.7 inches)	87%	moderate
March Weather	5°C (41°F)	51 mm (2.0 inches)	86%	high
April Weather	9°C (48°F)	51 mm (2.0 inches)	85%	high
May Weather	14°C (57°F)	33 mm (1.3 inches)	80%	very high
June Weather	19°C (66°F)	17 mm (0.7 inches)	82%	very high
July Weather	23°C (74°F)	1 mm (0.0 inches)	78%	very high
August Weather	23°C (74°F)	7 mm (0.3 inches)	62%	very high
September Weather	17°C (63°F)	21 mm (0.8 inches)	59%	very high
October Weather	10°C (50°F)	35 mm (1.4 inches)	78%	moderate
November Weather	5°C (41°F)	52 mm (2.0 inches)	88%	moderate
December Weather	1°C (34°F)	54 mm (2.1 inches)	88%	low