Average annual temperature is 14.3 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 184 days
Number of rainy days: 180 days
Number of snow days: 1 day
Look at detailed online map of Marcellus
* Weather data for Marcellus 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) | 18.3 | 23.8 | 24.4 | 28.0 | 29.5 | 32.6 | 36.0 | 37.1 | 33.7 | 29.2 | 25.5 | 17.9 |
| Average daytime temperature (°C) | 10.3 | 13.7 | 14.0 | 19.5 | 23.9 | 27.9 | 30.9 | 29.8 | 27.7 | 20.8 | 14.5 | 10.8 |
| Average temperature (°C) | 5.7 | 7.5 | 7.8 | 13.0 | 17.5 | 21.3 | 24.8 | 23.8 | 20.9 | 15.2 | 8.4 | 5.8 |
| Average night temperature (°C) | 2.5 | 3.1 | 3.2 | 7.5 | 12.0 | 15.7 | 20.1 | 18.9 | 15.6 | 10.9 | 4.1 | 2.4 |
| Absolute minimum temperature (°C) | -4.9 | -6.5 | -7.4 | 1.0 | 3.8 | 10.3 | 16.2 | 12.9 | 12.2 | 1.2 | -5.5 | -6.0 |
| 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 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 4.6 | 6.8 | 7.7 | 9.7 | 10.4 | 10.6 | 11.4 | 10.5 | 10.3 | 7.4 | 7.5 | 5.5 |
| Precipitation (mm) | 137 | 83 | 124 | 63 | 52 | 113 | 73 | 109 | 62 | 46 | 55 | 77 |
| Sunny days | 10 | 16 | 20 | 17 | 16 | 14 | 8 | 15 | 15 | 19 | 21 | 13 |
| Rainy days | 21 | 12 | 10 | 13 | 15 | 16 | 23 | 16 | 15 | 12 | 9 | 18 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Marcellus during the most sunny months:
The largest precipitation sum in Marcellus is at