Last updated: June 24, 2025
In Petersburg, United States, the average temperature in March hovers around 6°C (43°F). Expect a chilling minimum of -15°C (6°F) and a surprising maximum of 24°C (76°F). With an average precipitation of 77 mm (3.0 in) spread over 11 days, be prepared for some rain. The air is quite humid, with an average humidity level of 86%, making it essential to dress accordingly!
In March in Petersburg, the average temperature is 6°C (43°F). The maximum can reach 24°C (76°F), and the minimum can be as low as -15°C (6°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Petersburg in March, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.
In Petersburg in March humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.
In Petersburg in March, 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 Petersburg.
UV Risk Categories
Weather in Petersburg varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Petersburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (33°F) | 62 mm (2.4 inches) | 86% | moderate |
February Weather | 3°C (38°F) | 94 mm (3.7 inches) | 86% | moderate |
March Weather | 6°C (43°F) | 77 mm (3.0 inches) | 86% | high |
April Weather | 11°C (52°F) | 103 mm (4.0 inches) | 84% | very high |
May Weather | 16°C (62°F) | 124 mm (4.9 inches) | 78% | very high |
June Weather | 21°C (69°F) | 100 mm (4.0 inches) | 79% | very high |
July Weather | 24°C (75°F) | 89 mm (3.5 inches) | 70% | very high |
August Weather | 22°C (72°F) | 95 mm (3.8 inches) | 59% | very high |
September Weather | 19°C (67°F) | 108 mm (4.2 inches) | 68% | very high |
October Weather | 14°C (57°F) | 106 mm (4.2 inches) | 80% | high |
November Weather | 6°C (42°F) | 64 mm (2.5 inches) | 86% | moderate |
December Weather | 3°C (37°F) | 87 mm (3.4 inches) | 85% | moderate |