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Rainfall Totals Last 24 Hours in Ann Arbor, MI
Last Rain · 24 Hours · 72 Hours · 7 Days · 30 Days
This Month · This Year
How much rain did Ann Arbor, MI get?
| Last RainSeptember 4, 2026 | 24 Hours | 72 Hours | 7 Days | 30 Days | This Month | This Year |
|---|---|---|---|---|---|---|
| 1.49″ | 1.46″ | 2.35″ | 2.87″ | 5.34″ | 2.36″ | 27.82″ |
Precipitation by month
Wettest month
5.15″
April 2026
Driest month
0.90″
February 2026
Longest dry streak
16 days
ended Sep 20
Most rain in 24 hours
1.79″
Aug 22
| Month | Rain | Normal | % of normal | Rainy days |
|---|---|---|---|---|
| October 2025 | 1.51″ | 2.93″ | 52% | 8 |
| November 2025 | 1.16″ | 2.73″ | 42% | 7 |
| December 2025 | 2.06″ | 2.64″ | 78% | 11 |
| January 2026 | 1.31″ | 2.84″ | 46% | 15 |
| February 2026 | 0.90″ | 2.42″ | 37% | 12 |
| March 2026 | 5.05″ | 2.76″ | 183% | 10 |
| April 2026 | 5.15″ | 3.34″ | 154% | 15 |
| May 2026 | 1.87″ | 3.79″ | 49% | 10 |
| June 2026 | 4.58″ | 4.25″ | 108% | 13 |
| July 2026 | 2.81″ | 3.85″ | 73% | 9 |
| August 2026 | 3.79″ | 3.34″ | 113% | 13 |
| September 2026 | 2.36″ | 2.98″ | 79% | 2 |