Average annual temperature is 15.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 186 days
Number of rainy days: 179 days
Look at detailed online map of West Saint Marys
* Weather data for West Saint Marys 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) | 18.7 | 24.3 | 24.2 | 30.9 | 26.3 | 29.9 | 36.3 | 34.7 | 35.3 | 28.5 | 26.8 | 18.3 |
| Average daytime temperature (°C) | 11.2 | 12.5 | 13.6 | 20.8 | 21.2 | 26.3 | 30.5 | 29.6 | 26.3 | 21.5 | 14.3 | 11.5 |
| Average temperature (°C) | 7.6 | 8.2 | 8.9 | 16.0 | 17.4 | 21.9 | 26.5 | 25.6 | 22.7 | 17.2 | 10.3 | 7.8 |
| Average night temperature (°C) | 4.8 | 4.5 | 5.3 | 12.4 | 14.3 | 18.6 | 23.3 | 22.4 | 19.6 | 13.7 | 7.2 | 5.0 |
| Absolute minimum temperature (°C) | -0.1 | -7.2 | -1.4 | 6.1 | 8.4 | 14.6 | 20.9 | 19.5 | 15.4 | 7.8 | -2.5 | -1.2 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 5.5 | 7.2 | 8.1 | 9.5 | 10.9 | 11.6 | 11.9 | 11.0 | 9.1 | 9.1 | 7.9 | 5.9 |
| Precipitation (mm) | 73 | 55 | 60 | 151 | 76 | 132 | 82 | 45 | 91 | 26 | 63 | 147 |
| Sunny days | 15 | 20 | 17 | 16 | 16 | 11 | 7 | 10 | 15 | 18 | 24 | 17 |
| Rainy days | 16 | 8 | 14 | 14 | 15 | 19 | 24 | 21 | 15 | 13 | 6 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit West Saint Marys during the most sunny months:
The largest precipitation sum in West Saint Marys is at