Mason, MI Weather & Climate Normals
Mason's real weather, in one number
Mason, MI scores 45/100 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.
Mason's hottest and coldest months
Mason's hottest month is Jul, averaging 72°F; its coldest is Jan, averaging 25°F, a 47.4°F swing across the year, one of the widest gaps in this dataset.
Mason's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 32°F | 18°F | 2.08in | 14.1in |
| Feb | 34°F | 19°F | 1.6in | 7.3in |
| Mar | 45°F | 27°F | 1.68in | 4.2in |
| Apr | 58°F | 37°F | 3.55in | 0.9in |
| May | 70°F | 48°F | 4.36in | 0in |
| Jun | 79°F | 58°F | 3.79in | 0in |
| Jul | 83°F | 61°F | 3.37in | 0in |
| Aug | 81°F | 60°F | 3.45in | 0in |
| Sep | 76°F | 52°F | 3.17in | 0in |
| Oct | 62°F | 42°F | 3.12in | 0.3in |
| Nov | 48°F | 32°F | 2.55in | 1.8in |
| Dec | 37°F | 24°F | 1.6in | 7.4in |
May, Jun, Jul, Aug, and Sep are the best time to see Mason at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Mason
Mason averages 34.32in of precipitation a year across roughly 127 days with measurable rain or snow, and 36in of snow a year.
Where Mason ranks
Mason ranks 3531 of 4876 US cities in this dataset for comfort score, and 78 of 153 within MI. About 8,314 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from East Lansing 4 S, MI US, 6.8 miles from Mason, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure