Plymouth, MI Weather & Climate Normals
Plymouth's real weather, in one number
Plymouth, MI scores 44/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Plymouth's hottest and coldest months
Plymouth's hottest month is Jul, averaging 71°F; its coldest is Jan, averaging 23°F, a 48.4°F swing across the year, one of the widest gaps in this dataset.
Plymouth's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 30°F | 16°F | 2.34in | 9.8in |
| Feb | 34°F | 16°F | 1.75in | 10.6in |
| Mar | 44°F | 24°F | 2.07in | 4.7in |
| Apr | 57°F | 34°F | 3.05in | 1.5in |
| May | 69°F | 46°F | 3.61in | 0in |
| Jun | 78°F | 56°F | 3.31in | 0in |
| Jul | 83°F | 60°F | 3.21in | 0in |
| Aug | 81°F | 59°F | 3.17in | 0in |
| Sep | 74°F | 51°F | 3.35in | 0in |
| Oct | 60°F | 40°F | 2.65in | 0in |
| Nov | 47°F | 30°F | 2.48in | 2.3in |
| Dec | 35°F | 22°F | 2.03in | 7.1in |
May, Jun, Jul, Aug, and Sep are the best time to see Plymouth at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Plymouth
Plymouth averages 33.02in of precipitation a year across roughly 129 days with measurable rain or snow, and 36in of snow a year.
Where Plymouth ranks
Plymouth ranks 3845 of 4876 US cities in this dataset for comfort score, and 105 of 153 within MI. About 9,185 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Farmington, MI US, 8.5 miles from Plymouth, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station