Last updated: June 24, 2025
In Petersburg, United States, the average temperature in October hovers around 14°C (57°F). During this time, temperatures can dip as low as -3°C (27°F) or soar to a warm 31°C (89°F). Expect around 106 mm (4.2 in) of precipitation over approximately 10 days, with an average humidity of 80%. This combination makes for a unique climate experience that is both refreshing and variable!
In October in Petersburg, the average temperature is 14°C (57°F). The maximum can reach 31°C (89°F), while the minimum can drop as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures, so it's advisable to pack both light and warm clothing.
In Petersburg in October, the precipitation amount is 106 mm (4.2 in) over a span of 10 days.
In Petersburg in October, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.
In Petersburg in October, 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 October’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 |