February Weather in Helena, United States

Last updated: June 24, 2025

In February, the average temperature in Helena, United States hovers around -9°C (16°F), with possibilities of dipping as low as -31°C (-24°F) and occasionally reaching a maximum of 8°C (47°F). The month receives about 51 mm (2.0 in) of precipitation over 12 days, contributing to an average humidity level of 88%.

February Temperature in Helena

In February in Helena, the average temperature is -9°C (16°F). Maximums can reach 8°C (47°F), while minimums can drop as low as -31°C (-24°F). Be sure to dress warmly if you plan to visit during this time, as the weather can be quite harsh.

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

The chart illustrates February temperature patterns in Helena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helena, February typically has an average temperature of -9°C (16°F), with highs reaching up to 8°C (47°F) and lows dropping to around -31°C (-24°F).

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

February Precipitation in Helena

In Helena in February, the precipitation amount is 51 mm (2.0 in) spread over 12 days.

February Precipitation Trends in Helena

The chart displays monthly precipitation patterns in Helena, 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 Helena, February typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Helena

In Helena in February humidity is 88%. With an average temperature of -9°C (16°F), this humidity feels like a biting cold that seeps into your bones, making travel outside feel much more daunting and uncomfortable, as each breath turns into a cloud of mist in the frigid air.

February Average Humidity in Helena

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

In Helena in February, 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 Helena for better planning.

Maximum UV Index Levels in Helena for February

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

Data source: Helena 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 Helena Compares to Other Months

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

This table compares monthly weather conditions in Helena, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	23 mm (0.9 inches)	87%	moderate
February Weather	-9°C (16°F)	51 mm (2.0 inches)	88%	moderate
March Weather	-2°C (29°F)	38 mm (1.5 inches)	83%	high
April Weather	2°C (36°F)	67 mm (2.7 inches)	78%	very high
May Weather	9°C (48°F)	88 mm (3.5 inches)	76%	very high
June Weather	14°C (58°F)	107 mm (4.2 inches)	78%	extreme
July Weather	19°C (67°F)	31 mm (1.2 inches)	77%	very high
August Weather	18°C (65°F)	34 mm (1.3 inches)	71%	very high
September Weather	13°C (55°F)	44 mm (1.7 inches)	68%	very high
October Weather	4°C (40°F)	41 mm (1.6 inches)	72%	moderate
November Weather	-1°C (30°F)	33 mm (1.3 inches)	84%	moderate
December Weather	-6°C (21°F)	33 mm (1.3 inches)	90%	low