Average annual temperature is 14.1 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 272 days
Number of rainy days: 85 days
Number of snow days: 8 days
Look at detailed online map of Penzance
* Weather data for Penzance 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) | 15.3 | 16.2 | 20.0 | 30.0 | 30.4 | 36.1 | 39.6 | 37.9 | 34.6 | 29.5 | 26.2 | 16.6 |
| Average daytime temperature (°C) | 6.9 | 9.7 | 12.8 | 21.9 | 27.1 | 31.1 | 37.0 | 32.8 | 29.8 | 24.2 | 15.4 | 9.3 |
| Average temperature (°C) | 0.5 | 1.6 | 6.1 | 13.7 | 19.3 | 23.1 | 29.9 | 25.7 | 21.8 | 16.0 | 8.1 | 2.4 |
| Average night temperature (°C) | -4.7 | -3.9 | 0.2 | 4.7 | 10.5 | 13.7 | 20.9 | 18.2 | 13.4 | 7.6 | 1.2 | -3.0 |
| Absolute minimum temperature (°C) | -16.5 | -11.5 | -8.7 | -6.5 | 5.0 | 9.5 | 16.9 | 15.1 | 7.9 | -3.6 | -5.2 | -7.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 9.2 | 9.2 | 11.9 | 12.5 | 13.2 | 12.8 | 12.0 | 10.7 | 10.3 | 8.8 | 7.8 |
| Precipitation (mm) | 48 | 24 | 35 | 2 | 6 | 0 | 4 | 31 | 10 | 1 | 33 | 19 |
| Sunny days | 19 | 19 | 17 | 26 | 25 | 28 | 24 | 16 | 21 | 29 | 23 | 25 |
| Rainy days | 8 | 7 | 13 | 3 | 6 | 2 | 7 | 15 | 9 | 2 | 7 | 6 |
| Snow days | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Penzance during the most sunny months:
The largest precipitation sum in Penzance is at