February Weather in Idaho Falls, United States

Last updated: June 24, 2025

In Idaho Falls, United States, the average temperature in February hovers around -3°C (27°F). However, be prepared for a temperature range that can dip as low as -19°C (-1°F) and occasionally peak at 12°C (54°F). This month also sees about 48 mm (1.9 in) of precipitation spread over 12 days, contributing to an average humidity of a striking 95%. Plan accordingly to stay comfortable in the chilly, damp conditions!

February Temperature in Idaho Falls

In February in Idaho Falls, the average temperature is -3°C (27°F). The maximum can reach 12°C (54°F), while the minimum can be as low as -19°C (-1°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

February Weather in Idaho Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Idaho Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Idaho Falls, February typically has an average temperature of -3°C (27°F), with highs reaching up to 12°C (54°F) and lows dropping to around -19°C (-1°F).

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

February Precipitation in Idaho Falls

In Idaho Falls in February, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.

February Precipitation Trends in Idaho Falls

The chart displays monthly precipitation patterns in Idaho Falls, 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 Idaho Falls, February typically receives around 48 mm (1.9 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 Idaho Falls

In Idaho Falls in February, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.

February Average Humidity in Idaho Falls

This chart illustrates the average monthly humidity levels in Idaho Falls, 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 Idaho Falls is approximately 95%, 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 Idaho Falls

In Idaho Falls 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 Idaho Falls.

Maximum UV Index Levels in Idaho Falls for February

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

Data source: Idaho Falls 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 Idaho Falls Compares to Other Months

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

This table compares monthly weather conditions in Idaho Falls, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	40 mm (1.6 inches)	95%	moderate
February Weather	-3°C (27°F)	48 mm (1.9 inches)	95%	moderate
March Weather	3°C (37°F)	43 mm (1.7 inches)	90%	high
April Weather	7°C (45°F)	55 mm (2.2 inches)	81%	very high
May Weather	12°C (54°F)	58 mm (2.3 inches)	71%	very high
June Weather	18°C (65°F)	31 mm (1.2 inches)	64%	extreme
July Weather	23°C (74°F)	11 mm (0.4 inches)	59%	extreme
August Weather	21°C (71°F)	16 mm (0.6 inches)	49%	very high
September Weather	16°C (61°F)	26 mm (1.0 inches)	52%	very high
October Weather	7°C (45°F)	39 mm (1.5 inches)	69%	high
November Weather	2°C (36°F)	32 mm (1.3 inches)	86%	moderate
December Weather	-4°C (26°F)	41 mm (1.6 inches)	91%	moderate