Ann Arbor, MI
Climate overview — based on NOAA 1991-2020 normals from ANN ARBOR SE, MI US.
Year-round temperatures (°F)
Climate summary
Ann Arbor has an annual average temperature of 48.2°F with about 37.9 inches of precipitation per year and 59.3 inches of snow. The warmest month is July (average high 84.0°F), and the coldest is January (average low 16.3°F). June is typically the wettest month (4.25 in) and February the driest (2.42 in). Snow typically falls from November through April.
Best time to visit Ann Arbor
Full guide →Climate change signal
All-time records →170 of 366 (46.4%) of Ann Arbor'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.
| 2000s | 96 | |
| 2010s | 180 | |
| 2020s | 90 |
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 | 31.7°F | 16.3°F | 24.0°F | 2.84 in | 16.6 in | 18 |
| February | 34.8°F | 16.3°F | 25.5°F | 2.42 in | 17.1 in | 15 |
| March | 45.1°F | 24.9°F | 35.0°F | 2.76 in | 7.3 in | 14 |
| April | 58.2°F | 34.2°F | 46.2°F | 3.34 in | 2.4 in | 14 |
| May | 70.4°F | 45.5°F | 57.9°F | 3.79 in | — | 15 |
| June | 79.7°F | 55.5°F | 67.6°F | 4.25 in | — | 12 |
| July | 84.0°F | 59.0°F | 71.5°F | 3.85 in | — | 11 |
| August | 81.5°F | 57.9°F | 69.7°F | 3.34 in | — | 11 |
| September | 75.1°F | 49.7°F | 62.4°F | 2.98 in | — | 11 |
| October | 62.0°F | 39.0°F | 50.5°F | 2.93 in | 0.1 in | 14 |
| November | 48.0°F | 29.6°F | 38.8°F | 2.73 in | 3.9 in | 12 |
| December | 36.2°F | 22.2°F | 29.2°F | 2.64 in | 11.9 in | 17 |
Climate twins of Ann Arbor
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).