Marathon

What is the climate like in Marathon?

The best time to visit Marathon is typically November – April, with trip comfort peaking in February (8.4/10). Marathon is warmest in August, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 69°F (20°C). The wettest month is typically September and the driest is February; the year sees roughly 39 in (992 mm) of precipitation.

• Best time to visitNovember – April — comfort peaks in February (8.4/10)
• Warmest monthAugust — average high 85°F (30°C)
• Coolest monthJanuary — average low 69°F (20°C)
• Wettest monthSeptember (7.0 in (177 mm))
• Driest monthFebruary (1.1 in (27 mm))
• Annual precipitation39 in (992 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromMarathon AP, 4 km away (1998-2026)