February Weather in Boise, United States

Last updated: June 24, 2025

In Boise, United States, the average temperature for February hovers around 2°C (36°F). During this time, temperatures can dip as low as -11°C (12°F) and rise to a comfortable 16°C (61°F). Expect 50 mm (2.0 in) of precipitation spread over 11 days, with an average humidity level of 89%. Be prepared for a chilly and damp atmosphere as you explore!

February Temperature in Boise

In February in Boise, the average temperature is 2°C (36°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop to as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

February Weather in Boise: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Boise, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boise, February typically has an average temperature of 2°C (36°F), with highs reaching up to 16°C (61°F) and lows dropping to around -11°C (12°F).

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

February Precipitation in Boise

In Boise in February, the precipitation amount is 50 mm (2.0 in) over the course of 11 days.

February Precipitation Trends in Boise

The chart displays monthly precipitation patterns in Boise, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Boise, February typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Boise

In Boise in February, humidity is 89%. With an average temperature of 2°C (36°F), this humidity feels like an uncomfortable chill that clings to your skin, making outdoor activities feel even colder and less inviting for traveling.

February Average Humidity in Boise

This chart illustrates the average monthly humidity levels in Boise, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Boise is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Boise

In Boise in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Boise.

Maximum UV Index Levels in Boise for February

The chart shows the monthly maximum UV Index (UVI) for Boise in February, 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 February, the maximum UV index in Boise typically reaches 5, which falls under the moderate exposure category.

Data source: Boise February 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 February Weather in Boise Compares to Other Months

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

This table compares monthly weather conditions in Boise, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	49 mm (1.9 inches)	88%	moderate
February Weather	2°C (36°F)	50 mm (2.0 inches)	89%	moderate
March Weather	8°C (46°F)	38 mm (1.5 inches)	85%	high
April Weather	11°C (52°F)	36 mm (1.4 inches)	79%	very high
May Weather	16°C (61°F)	39 mm (1.5 inches)	71%	very high
June Weather	21°C (71°F)	21 mm (0.8 inches)	71%	extreme
July Weather	27°C (81°F)	1 mm (0.0 inches)	66%	extreme
August Weather	26°C (78°F)	8 mm (0.3 inches)	50%	very high
September Weather	20°C (68°F)	10 mm (0.4 inches)	48%	very high
October Weather	11°C (53°F)	22 mm (0.9 inches)	65%	high
November Weather	6°C (43°F)	32 mm (1.3 inches)	84%	moderate
December Weather	1°C (34°F)	40 mm (1.6 inches)	87%	low