January Weather in Westminster, United States

Last updated: June 24, 2025

In January, the average temperature in Westminster, United States hovers around 2°C (35°F), with fluctuations ranging from a chilly -16°C (4°F) to a mild 20°C (69°F). Expect 62 mm (2.4 in) of precipitation over approximately 8 days, while maintaining an average humidity level of 84%. Prepare for a brisk yet variable climate!

January Temperature in Westminster

In January in Westminster, the average temperature is 2°C (35°F). Maximums can reach 20°C (69°F) and minimums can be as low as -16°C (4°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable throughout the day.

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

The chart illustrates January temperature patterns in Westminster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westminster, January typically has an average temperature of 2°C (35°F), with highs reaching up to 20°C (69°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Westminster

In Westminster in January, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

January Precipitation Trends in Westminster

The chart displays monthly precipitation patterns in Westminster, 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 Westminster, January typically receives around 62 mm (2.4 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 Westminster

In Westminster in January, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.

January Average Humidity in Westminster

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

In Westminster 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 Westminster, you can check the information here.

Maximum UV Index Levels in Westminster for January

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

Data source: Westminster 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 Westminster Compares to Other Months

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

This table compares monthly weather conditions in Westminster, 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 (35°F)	62 mm (2.4 inches)	84%	moderate
February Weather	4°C (39°F)	95 mm (3.8 inches)	83%	moderate
March Weather	7°C (44°F)	93 mm (3.6 inches)	83%	high
April Weather	12°C (55°F)	95 mm (3.7 inches)	81%	very high
May Weather	18°C (64°F)	144 mm (5.7 inches)	78%	very high
June Weather	23°C (73°F)	125 mm (4.9 inches)	79%	very high
July Weather	26°C (78°F)	152 mm (6.0 inches)	74%	very high
August Weather	24°C (76°F)	156 mm (6.1 inches)	72%	very high
September Weather	21°C (70°F)	116 mm (4.5 inches)	75%	very high
October Weather	15°C (60°F)	103 mm (4.1 inches)	81%	high
November Weather	7°C (45°F)	90 mm (3.6 inches)	85%	moderate
December Weather	4°C (39°F)	96 mm (3.8 inches)	84%	moderate