January Weather in Gap, United States

Last updated: June 24, 2025

In January, the average temperature in Gap, United States hovers around 1°C (34°F), with minimums plummeting to -19°C (-3°F) and maximums reaching a mild 18°C (65°F). Expect 65 mm (2.6 in) of precipitation spread over 8 days, accompanied by a notably high average humidity of 84%.

January Temperature in Gap

In January in Gap, the average temperature is 1°C (34°F). The maximum can reach 18°C (65°F), while the minimum can be as low as -19°C (-3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Gap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gap, January typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (65°F) and lows dropping to around -19°C (-3°F).

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

January Precipitation in Gap

In Gap in January, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.

January Precipitation Trends in Gap

The chart displays monthly precipitation patterns in Gap, 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 Gap, January typically receives around 65 mm (2.6 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 Gap

In Gap in January humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

January Average Humidity in Gap

This chart illustrates the average monthly humidity levels in Gap, 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 Gap 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 Gap

In Gap 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 Gap, you can check the information here.

Maximum UV Index Levels in Gap for January

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

Data source: Gap 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 Gap Compares to Other Months

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

This table compares monthly weather conditions in Gap, 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)	65 mm (2.6 inches)	84%	moderate
February Weather	3°C (38°F)	106 mm (4.2 inches)	83%	moderate
March Weather	6°C (43°F)	105 mm (4.1 inches)	83%	high
April Weather	12°C (54°F)	102 mm (4.0 inches)	81%	very high
May Weather	17°C (64°F)	139 mm (5.5 inches)	78%	very high
June Weather	22°C (73°F)	119 mm (4.7 inches)	79%	very high
July Weather	25°C (78°F)	156 mm (6.1 inches)	74%	very high
August Weather	24°C (75°F)	160 mm (6.3 inches)	72%	very high
September Weather	21°C (70°F)	112 mm (4.4 inches)	75%	very high
October Weather	15°C (60°F)	100 mm (3.9 inches)	81%	high
November Weather	7°C (45°F)	90 mm (3.5 inches)	85%	moderate
December Weather	3°C (38°F)	101 mm (4.0 inches)	84%	low