January Weather in National Park, United States

Last updated: June 24, 2025

In January, the average temperature in National Park, United States hovers around 2°C (36°F), while fluctuations can see lows of -18°C (0°F) and highs reaching up to 20°C (68°F). Expect 59 mm (2.3 in) of precipitation spread over 8 days, accompanied by an average humidity level of 84%.

January Temperature in National Park

In January in National Park, the average temperature is 2°C (36°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -18°C (0°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

January Weather in National Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in National Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In National Park, January typically has an average temperature of 2°C (36°F), with highs reaching up to 20°C (68°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in National Park

In National Park in January, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

January Precipitation Trends in National Park

The chart displays monthly precipitation patterns in National Park, 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 National Park, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 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 National Park

In National Park in January, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

January Average Humidity in National Park

This chart illustrates the average monthly humidity levels in National Park, 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 National Park is approximately 84%, 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 National Park

In National Park 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 National Park, you can check the information here.

Maximum UV Index Levels in National Park for January

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

Data source: National Park 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 National Park Compares to Other Months

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

This table compares monthly weather conditions in National Park, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	59 mm (2.3 inches)	84%	moderate
February Weather	4°C (40°F)	104 mm (4.1 inches)	83%	moderate
March Weather	7°C (45°F)	105 mm (4.1 inches)	83%	high
April Weather	13°C (55°F)	98 mm (3.9 inches)	81%	very high
May Weather	18°C (65°F)	131 mm (5.2 inches)	78%	very high
June Weather	23°C (74°F)	113 mm (4.4 inches)	79%	very high
July Weather	26°C (79°F)	128 mm (5.0 inches)	74%	very high
August Weather	25°C (77°F)	127 mm (5.0 inches)	72%	very high
September Weather	22°C (71°F)	91 mm (3.6 inches)	75%	very high
October Weather	16°C (62°F)	112 mm (4.4 inches)	81%	high
November Weather	8°C (47°F)	80 mm (3.2 inches)	85%	moderate
December Weather	4°C (40°F)	97 mm (3.8 inches)	84%	moderate