Petersburg Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Petersburg.
Climate overview of Petersburg
Petersburg, Virginia, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 10°C (50°F) in January.
Rain/snowfall is high, totalling around 1227 mm (48 in) per year. September is the wettest month and February the driest. The city also experiences very warm summers and cold winters. The sunniest month is June, with 10.3 hours of sunshine per day on average.
Petersburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Petersburg - and find the best time to visit.
Monthly Temperature in Petersburg
Depending on the time of the year, temperatures range from very warm to chilly in Petersburg. Average maximum daytime temperatures range from a very warm 32°C (90°F) in July, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in July to around -2°C (28°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Petersburg
Petersburg has a relatively rain/snowy climate with high precipitation levels, averaging 1227 mm (48 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 130 mm (5.1 in) of precipitation, spread over 9 rainy days.
In contrast, the driest month February experiences a drier climate, with about 68 mm (2.7 in) of rainfall spread across 9 rainy days. For more details, please visit our Petersburg Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Petersburg
Seasonal changes in sunshine hours are quite dramatic in Petersburg. While June receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Petersburg by Month
The relative humidity is high throughout the year in Petersburg.
The city experiences its highest humidity in August, reaching 77%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Petersburg
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April and October
- Warmest weather: July and August
- Most sunshine: June and July
- Fewer rainy days: January, February, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Petersburg
What is the best time to visit Petersburg?
April and October typically offer the most optimal weather in Petersburg. In contrast, January and December tend to have less optimal conditions. Petersburg has very warm summers and cold winters.
What temperatures can I expect in Petersburg?
Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in July. Nighttime lows range from -2°C (28°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Petersburg get?
Annual rainfall is around 1227 mm (48 in). September is the wettest month with 130 mm (5.1 in), while February is the driest with 68 mm (2.7 in).
How sunny is Petersburg?
Petersburg receives around 2,830 hours of sunshine per year. June is the sunniest month with 308 hours, while December is the cloudiest with just 164 hours. Overall, Petersburg enjoys abundant sunshine.
Petersburg 3-Day Forecast
Petersburg 3-Day Forecast
Petersburg on the map
Petersburg is highlighted - select any city to see its climate.
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