January Weather in Broomfield, United States

Last updated: June 24, 2025

In January, the average temperature in Broomfield, United States hovers around -1°C (30°F). Expect chilly conditions with minimum temperatures plunging to -24°C (-10°F), while highs can reach up to 18°C (65°F). Be prepared for some rain, as 21 mm (0.8 in) of precipitation typically falls over 4 days. With an average humidity of 88%, the air can feel quite damp, so dress warmly!

January Temperature in Broomfield

In January in Broomfield, the average temperature is -1°C (30°F), with a maximum that can reach 18°C (65°F) and a minimum that can drop to as low as -24°C (-10°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Broomfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Broomfield, January typically has an average temperature of -1°C (30°F), with highs reaching up to 18°C (65°F) and lows dropping to around -24°C (-10°F).

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

January Precipitation in Broomfield

In Broomfield in January, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

January Precipitation Trends in Broomfield

The chart displays monthly precipitation patterns in Broomfield, 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 Broomfield, January typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 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 Broomfield

In Broomfield in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

January Average Humidity in Broomfield

This chart illustrates the average monthly humidity levels in Broomfield, 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 Broomfield is approximately 88%, 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 Broomfield

In Broomfield 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 Broomfield for better planning.

Maximum UV Index Levels in Broomfield for January

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

Data source: Broomfield 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 Broomfield Compares to Other Months

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

This table compares monthly weather conditions in Broomfield, 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 (30°F)	21 mm (0.8 inches)	88%	moderate
February Weather	-2°C (30°F)	27 mm (1.1 inches)	87%	high
March Weather	4°C (40°F)	55 mm (2.2 inches)	81%	very high
April Weather	9°C (48°F)	56 mm (2.2 inches)	76%	extreme
May Weather	13°C (56°F)	109 mm (4.3 inches)	66%	extreme
June Weather	20°C (69°F)	46 mm (1.8 inches)	58%	extreme
July Weather	23°C (74°F)	35 mm (1.4 inches)	52%	extreme
August Weather	22°C (73°F)	41 mm (1.6 inches)	56%	extreme
September Weather	19°C (66°F)	28 mm (1.1 inches)	65%	very high
October Weather	9°C (49°F)	37 mm (1.5 inches)	76%	high
November Weather	5°C (40°F)	24 mm (0.9 inches)	82%	moderate
December Weather	0°C (33°F)	14 mm (0.6 inches)	89%	moderate