Average annual temperature is 14.8 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 223 days
Number of rainy days: 137 days
Number of snow days: 5 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) | 13.8 | 18.5 | 25.3 | 32.3 | 33.3 | 37.6 | 37.5 | 39.1 | 35.1 | 33.1 | 22.3 | 16.6 |
| Average daytime temperature (°C) | 7.7 | 10.5 | 13.1 | 22.2 | 26.8 | 31.3 | 33.4 | 33.5 | 30.2 | 21.5 | 13.4 | 9.5 |
| Average temperature (°C) | 1.8 | 3.2 | 6.7 | 14.2 | 20.1 | 24.9 | 27.1 | 27.3 | 23.6 | 15.8 | 7.8 | 4.7 |
| Average night temperature (°C) | -2.2 | -2.3 | 1.6 | 7.9 | 14.1 | 19.0 | 21.8 | 21.9 | 17.8 | 11.0 | 3.0 | 1.3 |
| Absolute minimum temperature (°C) | -12.0 | -11.9 | -7.9 | -1.0 | 5.7 | 12.4 | 17.1 | 15.7 | 12.7 | -3.5 | -7.9 | -4.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 8.2 | 8.1 | 10.5 | 10.4 | 12.4 | 11.8 | 11.9 | 10.4 | 7.9 | 7.5 | 5.3 |
| Precipitation (mm) | 41 | 66 | 32 | 59 | 52 | 69 | 51 | 52 | 70 | 50 | 43 | 102 |
| Sunny days | 20 | 19 | 16 | 20 | 13 | 15 | 15 | 23 | 20 | 20 | 23 | 19 |
| Rainy days | 11 | 8 | 15 | 10 | 18 | 15 | 16 | 8 | 10 | 11 | 5 | 10 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Plymouth during the most sunny months:
The largest precipitation sum in Plymouth is at