Average annual temperature is 19.8 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 190 days
Number of rainy days: 175 days
Look at detailed online map of Marathon
* Weather data for Marathon 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) | 24.1 | 27.3 | 27.8 | 29.5 | 32.2 | 36.6 | 36.8 | 38.9 | 35.3 | 32.1 | 28.1 | 24.3 |
| Average daytime temperature (°C) | 16.2 | 18.5 | 21.3 | 23.4 | 28.5 | 32.8 | 33.8 | 35.5 | 31.5 | 26.4 | 18.9 | 16.0 |
| Average temperature (°C) | 11.6 | 12.8 | 15.3 | 17.7 | 23.1 | 27.1 | 28.7 | 30.1 | 26.1 | 20.7 | 13.7 | 10.6 |
| Average night temperature (°C) | 8.2 | 8.8 | 10.9 | 13.1 | 18.2 | 22.2 | 24.7 | 25.6 | 21.3 | 16.1 | 9.8 | 6.5 |
| Absolute minimum temperature (°C) | -0.5 | -1.8 | -1.9 | 8.2 | 10.8 | 20.0 | 21.4 | 19.8 | 17.2 | 5.7 | 1.9 | 0.7 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 6.3 | 7.0 | 8.7 | 8.3 | 11.2 | 12.2 | 11.4 | 11.6 | 10.6 | 8.7 | 6.4 | 7.5 |
| Precipitation (mm) | 185 | 88 | 91 | 229 | 47 | 62 | 78 | 19 | 26 | 35 | 45 | 67 |
| Sunny days | 15 | 12 | 16 | 12 | 11 | 10 | 13 | 21 | 17 | 23 | 17 | 23 |
| Rainy days | 16 | 16 | 15 | 18 | 20 | 20 | 18 | 10 | 13 | 8 | 13 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Marathon during the most sunny months:
The largest precipitation sum in Marathon is at