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February Weather in Petersburg, United States

Last updated: June 24, 2025

In Petersburg, United States, the average temperature in February hovers around 3°C (38°F), with extremes ranging from a chilling -20°C (-4°F) to a mild 25°C (78°F). Be prepared for some wet days, as precipitation averages 94 mm (3.7 in) over 12 days. The air is quite humid, with an average humidity level of 86%, making it essential to dress accordingly!

February Temperature in Petersburg

In February in Petersburg, the average temperature is 3°C (38°F). Maximum temperatures can reach up to 25°C (78°F), while minimums can drop as low as -20°C (-4°F). It's essential to pack layers for your travels, as you may experience both chilly and mild weather during this time.

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

The chart illustrates February temperature patterns in Petersburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petersburg, February typically has an average temperature of 3°C (38°F), with highs reaching up to 25°C (78°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec323742526269747266574237
Data source: Temperature data for Petersburg 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 Petersburg

In Petersburg in February, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

February Precipitation Trends in Petersburg

The chart displays monthly precipitation patterns in Petersburg, 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 Petersburg, February typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec62947710312410189951081066487
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Petersburg

In Petersburg in February humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

February Average Humidity in Petersburg

This chart illustrates the average monthly humidity levels in Petersburg, 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 Petersburg is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Petersburg

In Petersburg 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 Petersburg.

Maximum UV Index Levels in Petersburg for February

The chart shows the monthly maximum UV Index (UVI) for Petersburg 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 Petersburg typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101010108753
Data source: Petersburg 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 Petersburg Compares to Other Months

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

This table compares monthly weather conditions in Petersburg, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)62 mm (2.4 inches)86%moderate
February Weather3°C (38°F)94 mm (3.7 inches)86%moderate
March Weather6°C (43°F)77 mm (3.0 inches)86%high
April Weather11°C (52°F)103 mm (4.0 inches)84%very high
May Weather16°C (62°F)124 mm (4.9 inches)78%very high
June Weather21°C (69°F)100 mm (4.0 inches)79%very high
July Weather24°C (75°F)89 mm (3.5 inches)70%very high
August Weather22°C (72°F)95 mm (3.8 inches)59%very high
September Weather19°C (67°F)108 mm (4.2 inches)68%very high
October Weather14°C (57°F)106 mm (4.2 inches)80%high
November Weather6°C (42°F)64 mm (2.5 inches)86%moderate
December Weather3°C (37°F)87 mm (3.4 inches)85%moderate

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