February Weather in Rapid City, United States

Last updated: June 24, 2025

In February, the average temperature in Rapid City, United States hovers around -6°C (22°F), with extremes ranging from a chilly -23°C (-9°F) to a mild 16°C (60°F). Expect 62 mm (2.4 in) of precipitation spread over approximately 13 days, while the air remains quite humid with an average of 91% humidity. Be prepared for a brisk atmosphere as you explore!

February Temperature in Rapid City

In February in Rapid City, the average temperature is -6°C (22°F). Maximum temperatures can reach 16°C (60°F), while minimums can drop to as low as -23°C (-9°F). Visitors should be prepared for a wide range of temperatures and pack accordingly for their travels.

February Weather in Rapid City: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Rapid City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rapid City, February typically has an average temperature of -6°C (22°F), with highs reaching up to 16°C (60°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222231415565706861493528
Data source: Temperature data for Rapid City 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 Rapid City

In Rapid City in February, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.

February Precipitation Trends in Rapid City

The chart displays monthly precipitation patterns in Rapid City, 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 Rapid City, February typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5762629711911110391781317774
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Rapid City

In Rapid City in February humidity is 91%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel challenging as the air feels dense and heavy, potentially making it more difficult to breathe and leaving a frosty mist on your skin.

February Average Humidity in Rapid City

This chart illustrates the average monthly humidity levels in Rapid City, 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 Rapid City is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%87%87%82%79%76%76%79%83%86%87%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Rapid City

In Rapid City 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 Rapid City for better planning.

Maximum UV Index Levels in Rapid City for February

The chart shows the monthly maximum UV Index (UVI) for Rapid City 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 Rapid City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Rapid City 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 Rapid City Compares to Other Months

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

This table compares monthly weather conditions in Rapid City, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)57 mm (2.2 inches)91%low
February Weather-6°C (22°F)62 mm (2.4 inches)91%moderate
March Weather-1°C (31°F)62 mm (2.4 inches)87%moderate
April Weather5°C (42°F)97 mm (3.8 inches)87%high
May Weather13°C (56°F)119 mm (4.7 inches)82%very high
June Weather19°C (66°F)111 mm (4.4 inches)79%very high
July Weather21°C (71°F)103 mm (4.1 inches)75%very high
August Weather20°C (68°F)91 mm (3.6 inches)76%very high
September Weather16°C (61°F)78 mm (3.1 inches)79%high
October Weather10°C (49°F)131 mm (5.2 inches)83%moderate
November Weather2°C (35°F)77 mm (3.0 inches)86%moderate
December Weather-2°C (28°F)74 mm (2.9 inches)87%low

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