Average annual temperature is 8.9 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -19.8 °C
Number of sunny days: 204 days
Number of rainy days: 105 days
Number of snow days: 56 days
Look at detailed online map of Plymouth
* Weather data for Plymouth United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.1 | 3.7 | 7.2 | 24.6 | 27.5 | 29.8 | 38.3 | 34.3 | 29.1 | 22.7 | 15.4 | 8.6 |
| Average daytime temperature (°C) | -1.9 | -2.2 | 1.2 | 11.6 | 22.3 | 24.7 | 34.4 | 29.7 | 24.7 | 16.9 | 8.5 | 3.0 |
| Average temperature (°C) | -4.8 | -5.9 | -2.3 | 4.8 | 15.3 | 18.3 | 26.5 | 22.8 | 18.1 | 10.8 | 3.2 | -1.6 |
| Average night temperature (°C) | -7.6 | -8.9 | -5.3 | -0.3 | 9.3 | 12.4 | 19.3 | 16.9 | 12.5 | 6.4 | -0.8 | -5.1 |
| Absolute minimum temperature (°C) | -19.8 | -17.8 | -11.3 | -10.3 | 3.1 | 7.1 | 15.1 | 12.6 | 5.2 | -4.9 | -9.1 | -13.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 7.0 | 8.1 | 9.8 | 12.2 | 12.6 | 13.3 | 11.7 | 10.6 | 8.6 | 7.0 | 6.3 |
| Precipitation (mm) | 100 | 48 | 69 | 46 | 53 | 52 | 1 | 37 | 53 | 41 | 32 | 34 |
| Sunny days | 11 | 15 | 9 | 17 | 10 | 12 | 25 | 20 | 21 | 21 | 21 | 22 |
| Rainy days | 3 | 1 | 8 | 6 | 21 | 18 | 6 | 11 | 9 | 10 | 7 | 5 |
| Snow days | 17 | 12 | 14 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Plymouth during the most sunny months:
The largest precipitation sum in Plymouth is at