Weather World
Petersburg Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 17°F | Hi 36°F Lo 20°F | Hi 51°F Lo 32°F | Hi 60°F Lo 41°F | Hi 70°F Lo 52°F | Hi 81°F Lo 62°F | Hi 85°F Lo 66°F | Hi 84°F Lo 63°F | Hi 79°F Lo 57°F | Hi 62°F Lo 44°F | Hi 49°F Lo 33°F | Hi 36°F Lo 22°F |
| 11 mph | 11 mph | 12 mph | 12 mph | 10 mph | 10 mph | 8 mph | 9 mph | 10 mph | 11 mph | 11 mph | 11 mph |
| 0.7 in | 0.8 in | 2.2 in | 3.7 in | 5.6 in | 6 in | 4.6 in | 4.5 in | 2.9 in | 2.6 in | 1.3 in | 1.3 in |
| 79% | 74% | 67% | 64% | 69% | 70% | 71% | 67% | 63% | 60% | 63% | 74% |
| 48% | 45% | 44% | 43% | 43% | 33% | 29% | 31% | 27% | 31% | 32% | 42% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 21 | 24 | 22 | 23 | 23 | 25 | 25 | 25 | 25 | 26 | 24 |
| 4 | 5 | 5 | 7 | 8 | 7 | 6 | 6 | 5 | 5 | 3 | 5 |
| 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 1 |
| 158 | 158 | 183 | 181 | 172 | 211 | 237 | 245 | 254 | 234 | 227 | 197 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -0°C Lo -8°C | Hi 2°C Lo -7°C | Hi 10°C Lo -0°C | Hi 15°C Lo 5°C | Hi 21°C Lo 11°C | Hi 27°C Lo 17°C | Hi 30°C Lo 19°C | Hi 29°C Lo 18°C | Hi 26°C Lo 14°C | Hi 17°C Lo 7°C | Hi 10°C Lo 0°C | Hi 2°C Lo -6°C |
| 17 km/h | 17 km/h | 19 km/h | 19 km/h | 16 km/h | 15 km/h | 13 km/h | 14 km/h | 16 km/h | 17 km/h | 17 km/h | 17 km/h |
| 17 mm | 19 mm | 56 mm | 95 mm | 143 mm | 152 mm | 116 mm | 114 mm | 74 mm | 67 mm | 33 mm | 33 mm |
| 79% | 74% | 67% | 64% | 69% | 70% | 71% | 67% | 63% | 60% | 63% | 74% |
| 48% | 45% | 44% | 43% | 43% | 33% | 29% | 31% | 27% | 31% | 32% | 42% |
| 1022 mb | 1021 mb | 1016 mb | 1013 mb | 1013 mb | 1011 mb | 1013 mb | 1013 mb | 1015 mb | 1015 mb | 1018 mb | 1020 mb |
| 24 | 21 | 24 | 22 | 23 | 23 | 25 | 25 | 25 | 25 | 26 | 24 |
| 4 | 5 | 5 | 7 | 8 | 7 | 6 | 6 | 5 | 5 | 3 | 5 |
| 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 1 |
| 158 | 158 | 183 | 181 | 172 | 211 | 237 | 245 | 254 | 234 | 227 | 197 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.