Weather & Climate in Marathon, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marathon has a cool climate with an average annual temperature of 36°F (2°C). Winters average 7°F in January while summers reach 59°F in July. Annual precipitation totals 34.1 inches. The area receives 13.7 inches of snow annually. The city sits at an elevation of 732 feet.
Temperature
7°F Jan (-14°C)
59°F Jul (15°C)
| Annual Average | 35.5°F |
| 34% below US avg | |
| January Average | 7°F (-14°C) |
| July Average | 59°F (15°C) |
Geography
| Elevation | 732 ft (223 m) |
| Area | 64.5 sq mi (167.0 km²) |
| Population Density | 49/sq mi |
| Coordinates | 48.7209°N, 86.3716°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 7°F (-14°C) | 2.5 in | Coldest |
| February | 11°F (-12°C) | 1.8 in | Driest |
| March | 20°F (-7°C) | 2.1 in | |
| April | 34°F (1°C) | 2.1 in | |
| May | 45°F (7°C) | 2.7 in | |
| June | 54°F (12°C) | 3.4 in | |
| July | 59°F (15°C) | 3.5 in | |
| August | 60°F (15°C) | 3.3 in | Warmest |
| September | 52°F (11°C) | 4.0 in | Wettest |
| October | 42°F (5°C) | 3.5 in | |
| November | 28°F (-2°C) | 2.7 in | |
| December | 15°F (-10°C) | 2.4 in |
Marathon has a seasonal temperature swing of 53°F / from 7°F in January to 60°F in August. Total annual precipitation is 34.1 inches, with September being the wettest month (4.0") and February the driest (1.8").