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February Weather in Santa Rosa, United States

Last updated: June 24, 2025

In February, the average temperature in Santa Rosa, United States hovers around 6°C (43°F). While it can dip as low as -22°C (-7°F), it can also peak at a warm 27°C (81°F). Expect around 12 mm (0.5 in) of precipitation spread over 4 days, with an average humidity level of 75%.

February Temperature in Santa Rosa

In February in Santa Rosa, the average temperature is 6°C (43°F). Maximum temperatures can reach up to 27°C (81°F), while minimums can dip as low as -22°C (-7°F). Be prepared for a wide range of temperatures when traveling to Santa Rosa this month.

February Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, February typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (81°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec394251586877797772584941
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in February, the precipitation amount is 12 mm (0.5 in) over a span of 4 days.

February Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, February typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec151228273041315633481411
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Santa Rosa

In Santa Rosa in February, humidity is 75%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and urging you to seek shelter indoors more often than not.

February Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Santa Rosa

In Santa Rosa 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 Santa Rosa.

Maximum UV Index Levels in Santa Rosa for February

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213121211854
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)15 mm (0.6 inches)74%moderate
February Weather6°C (43°F)12 mm (0.5 inches)75%high
March Weather11°C (51°F)28 mm (1.1 inches)61%very high
April Weather14°C (58°F)27 mm (1.1 inches)61%extreme
May Weather20°C (68°F)30 mm (1.2 inches)69%extreme
June Weather25°C (78°F)41 mm (1.6 inches)74%extreme
July Weather26°C (80°F)31 mm (1.2 inches)75%extreme
August Weather25°C (77°F)56 mm (2.2 inches)78%extreme
September Weather22°C (72°F)33 mm (1.3 inches)76%extreme
October Weather14°C (58°F)47 mm (1.9 inches)76%very high
November Weather9°C (49°F)14 mm (0.6 inches)80%moderate
December Weather5°C (42°F)11 mm (0.4 inches)77%moderate

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