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February Weather in Helena, United States

Last updated: June 24, 2025

In February, the average temperature in Helena, United States hovers around 14°C (58°F). Expect range variations with the mercury dipping as low as -3°C (27°F) and soaring up to 30°C (86°F). Rainfall is fairly common, with an average precipitation of 107 mm (4.2 in) spread over 10 days, accompanied by a high average humidity of 82%.

February Temperature in Helena

In February, in Helena, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as -3°C (27°F). This variability makes it essential to pack for both warm and cool weather when visiting.

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 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec525761677580838279725854
Data source: Temperature data for Helena generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Helena

In Helena in February, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 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 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec831077888721031181061078953126
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Helena

In Helena in February, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Helena.

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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)83 mm (3.2 inches)85%moderate
February Weather14°C (58°F)107 mm (4.2 inches)82%high
March Weather16°C (62°F)78 mm (3.1 inches)80%very high
April Weather20°C (67°F)88 mm (3.4 inches)76%very high
May Weather24°C (76°F)72 mm (2.8 inches)73%extreme
June Weather27°C (80°F)103 mm (4.1 inches)74%extreme
July Weather28°C (83°F)118 mm (4.6 inches)80%extreme
August Weather28°C (82°F)106 mm (4.2 inches)79%extreme
September Weather26°C (80°F)107 mm (4.2 inches)83%very high
October Weather22°C (72°F)89 mm (3.5 inches)77%very high
November Weather14°C (58°F)53 mm (2.1 inches)84%high
December Weather12°C (54°F)126 mm (4.9 inches)88%moderate

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