Petersburg, MI
Climate overview — based on NOAA 1991-2020 normals from DUNDEE, MI US.
Year-round temperatures (°F)
Climate summary
Petersburg has an annual average temperature of 49.4°F with about 34.8 inches of precipitation per year and 39.1 inches of snow. The warmest month is July (average high 84.0°F), and the coldest is January (average low 17.3°F). May is typically the wettest month (3.80 in) and February the driest (1.97 in). Snow typically falls from November through April.
Best time to visit Petersburg
Full guide →Climate change signal
All-time records →155 of 366 (42.3%) of Petersburg's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 0 | |
| 2000s | 129 | |
| 2010s | 143 | |
| 2020s | 94 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 32.1°F | 17.3°F | 24.7°F | 2.49 in | 12.3 in | 13 |
| February | 35.1°F | 18.4°F | 26.7°F | 1.97 in | 9.3 in | 11 |
| March | 45.2°F | 26.1°F | 35.6°F | 2.45 in | 6.7 in | 11 |
| April | 58.4°F | 36.3°F | 47.3°F | 3.27 in | 1.3 in | 11 |
| May | 70.1°F | 48.0°F | 59.0°F | 3.80 in | — | 13 |
| June | 79.8°F | 58.3°F | 69.1°F | 3.36 in | — | 10 |
| July | 84.0°F | 62.4°F | 73.2°F | 3.03 in | — | 10 |
| August | 81.6°F | 60.3°F | 70.9°F | 3.66 in | — | 10 |
| September | 75.2°F | 52.7°F | 64.0°F | 2.86 in | — | 9 |
| October | 62.5°F | 41.4°F | 51.9°F | 2.58 in | — | 11 |
| November | 48.6°F | 31.8°F | 40.2°F | 2.89 in | 0.7 in | 10 |
| December | 36.8°F | 23.7°F | 30.3°F | 2.41 in | 8.8 in | 12 |
Climate twins of Petersburg
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).