Plymouth, WI Weather & Climate Normals
Plymouth's real weather, in one number
Plymouth, WI scores 42/100 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 19°F, a 51.6°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 | 26°F | 12°F | 1.59in | 12.4in |
| Feb | 30°F | 14°F | 1.41in | 11in |
| Mar | 41°F | 24°F | 1.97in | 5.9in |
| Apr | 53°F | 34°F | 3.63in | 2.1in |
| May | 66°F | 45°F | 3.83in | 0.2in |
| Jun | 76°F | 55°F | 4.22in | 0in |
| Jul | 81°F | 60°F | 3.5in | 0in |
| Aug | 79°F | 59°F | 3.69in | 0in |
| Sep | 72°F | 51°F | 2.81in | 0in |
| Oct | 58°F | 39°F | 2.96in | 0.1in |
| Nov | 44°F | 29°F | 2.14in | 2.3in |
| Dec | 32°F | 18°F | 1.82in | 10.7in |
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 33.57in of precipitation a year across roughly 121 days with measurable rain or snow, and 44.7in of snow a year.
Where Plymouth ranks
Plymouth ranks 4274 of 4876 US cities in this dataset for comfort score, and 110 of 157 within WI. About 8,854 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Plymouth Wwtp, WI US, 1.1 miles from Plymouth, 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