February Weather in Sun Valley, United States

Last updated: June 24, 2025

In February, the average temperature in Sun Valley, United States hovers around 0°C (32°F). However, temperatures can vary significantly, with a minimum of -21°C (-6°F) and a maximum reaching 24°C (75°F). Expect 108 mm (4.2 in) of precipitation over 12 days, contributing to an average humidity of 85%.

February Temperature in Sun Valley

In February in Sun Valley, the average temperature is 0°C (32°F), with maximums reaching up to 24°C (75°F) and minimums dipping as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures during their visit.

February Weather in Sun Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Sun Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sun Valley, February typically has an average temperature of 0°C (32°F), with highs reaching up to 24°C (75°F) and lows dropping to around -21°C (-6°F).

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

February Precipitation in Sun Valley

In Sun Valley in February, the total precipitation amount is 108 mm (4.2 in) spread over 12 days.

February Precipitation Trends in Sun Valley

The chart displays monthly precipitation patterns in Sun Valley, 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 Sun Valley, February typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 12 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 Sun Valley

In Sun Valley in February, humidity is 85%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your clothes, making every step feel more arduous and the air heavy, which can dampen the enthusiasm for exploring the surroundings.

February Average Humidity in Sun Valley

This chart illustrates the average monthly humidity levels in Sun Valley, 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 Sun Valley is approximately 85%, 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 Sun Valley

In Sun Valley 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 Sun Valley.

Maximum UV Index Levels in Sun Valley for February

The chart shows the monthly maximum UV Index (UVI) for Sun Valley 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 Sun Valley typically reaches 5, which falls under the moderate exposure category.

Data source: Sun Valley 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 Sun Valley Compares to Other Months

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

This table compares monthly weather conditions in Sun Valley, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	77 mm (3.0 inches)	87%	moderate
February Weather	0°C (32°F)	108 mm (4.2 inches)	85%	moderate
March Weather	3°C (38°F)	98 mm (3.9 inches)	85%	high
April Weather	9°C (49°F)	120 mm (4.7 inches)	83%	very high
May Weather	15°C (60°F)	141 mm (5.5 inches)	75%	very high
June Weather	20°C (68°F)	116 mm (4.6 inches)	73%	very high
July Weather	23°C (74°F)	147 mm (5.8 inches)	65%	very high
August Weather	22°C (72°F)	153 mm (6.0 inches)	62%	very high
September Weather	18°C (65°F)	118 mm (4.7 inches)	66%	very high
October Weather	13°C (56°F)	132 mm (5.2 inches)	79%	high
November Weather	5°C (41°F)	97 mm (3.8 inches)	87%	moderate
December Weather	1°C (34°F)	108 mm (4.3 inches)	85%	low