Last updated: June 24, 2025
In April, the average temperature in Petersburg, United States hovers around 11°C (52°F). However, temperatures can swing from a chilly -5°C (23°F) to a warm 30°C (86°F). Expect 103 mm (4.0 in) of precipitation over 13 days, contributing to an average humidity of 84%. Be prepared for a mix of weather as you explore this vibrant locale!
In April in Petersburg, the average temperature is 11°C (52°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -5°C (23°F). This varied climate makes Petersburg a versatile destination for travelers, so be sure to pack for a range of temperatures!
In Petersburg in April, the precipitation amount is 103 mm (4.0 in) over a span of 13 days.
In Petersburg in April, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.
In Petersburg in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. 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 April’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 |