January Weather in West, United States

Last updated: June 24, 2025

In January, the average temperature in West, United States hovers around 10°C (49°F). Expect a chill, as the minimum temperature can plummet to a brisk -10°C (14°F), while the mercury can rise as high as 27°C (81°F). Be prepared for some rain, with average precipitation reaching 63 mm (2.5 in) over 6 days. With an average humidity level of 79%, it's a month that balances crisp air with a touch of moisture.

January Temperature in West

In January in West, the average temperature is 10°C (49°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as -10°C (14°F). Be prepared for a wide range of temperatures when traveling during this month in West.

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

The chart illustrates January temperature patterns in West, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West, January typically has an average temperature of 10°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in West

In West in January, the precipitation amount is 63 mm (2.5 in) spread over a duration of 6 days.

January Precipitation Trends in West

The chart displays monthly precipitation patterns in West, 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 West, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in West

In West in January, humidity is 79%. With an average temperature of 10°C (49°F), this humidity feels like a chilly mist wrapping around you, making outdoor activities a bit uncomfortable and requiring layers to stay warm while navigating the damp air.

January Average Humidity in West

This chart illustrates the average monthly humidity levels in West, 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 West is approximately 79%, 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 West

In West in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in West for better planning.

Maximum UV Index Levels in West for January

The chart shows the monthly maximum UV Index (UVI) for West 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 West typically reaches 4, which falls under the moderate exposure category.

Data source: West 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 West Compares to Other Months

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

This table compares monthly weather conditions in West, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	63 mm (2.5 inches)	79%	moderate
February Weather	11°C (51°F)	86 mm (3.4 inches)	80%	high
March Weather	17°C (62°F)	84 mm (3.3 inches)	78%	very high
April Weather	19°C (67°F)	104 mm (4.1 inches)	79%	very high
May Weather	24°C (76°F)	171 mm (6.7 inches)	81%	extreme
June Weather	28°C (83°F)	76 mm (3.0 inches)	77%	extreme
July Weather	30°C (87°F)	54 mm (2.1 inches)	71%	extreme
August Weather	30°C (87°F)	83 mm (3.3 inches)	67%	extreme
September Weather	27°C (81°F)	76 mm (3.0 inches)	69%	very high
October Weather	21°C (70°F)	127 mm (5.0 inches)	73%	very high
November Weather	15°C (59°F)	53 mm (2.1 inches)	82%	high
December Weather	12°C (54°F)	62 mm (2.5 inches)	87%	moderate