February Weather in Petersburg, United States

Last updated: June 24, 2025

In February, the average temperature in Petersburg, United States hovers around 3°C (38°F). Expect a frigid minimum of -17°C (3°F) and a surprising maximum of 25°C (77°F). With 117 mm (4.6 in) of precipitation spread over 11 days, don't forget your umbrella! The air remains notably damp, with an average humidity of 85%.

February Temperature in Petersburg

In February in Petersburg, the average temperature is 3°C (38°F). The maximum can reach 25°C (77°F), while the minimum can drop to as low as -17°C (3°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential to stay comfortable during their visit.

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 (77°F) and lows dropping to around -17°C (3°F).

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

February Precipitation in Petersburg

In Petersburg in February, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 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 117 mm (4.6 inches) of precipitation spread over approximately 11 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 Petersburg

In Petersburg in February, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

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 85%, 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 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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	91 mm (3.6 inches)	87%	moderate
February Weather	3°C (38°F)	117 mm (4.6 inches)	85%	moderate
March Weather	8°C (48°F)	147 mm (5.8 inches)	86%	high
April Weather	13°C (56°F)	124 mm (4.9 inches)	84%	very high
May Weather	20°C (68°F)	137 mm (5.4 inches)	79%	very high
June Weather	25°C (76°F)	125 mm (4.9 inches)	82%	extreme
July Weather	26°C (80°F)	77 mm (3.0 inches)	79%	very high
August Weather	25°C (77°F)	89 mm (3.5 inches)	70%	very high
September Weather	22°C (73°F)	77 mm (3.0 inches)	69%	very high
October Weather	16°C (61°F)	105 mm (4.1 inches)	76%	high
November Weather	7°C (45°F)	98 mm (3.8 inches)	88%	moderate
December Weather	4°C (40°F)	104 mm (4.1 inches)	87%	moderate