Climate almanac
Martinsville
Indiana, United States · 39.43°, -86.43°
What is the climate like in Martinsville?
The best time to visit Martinsville is typically September – October, with trip comfort peaking in September (7.2/10). Martinsville is warmest in July, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 24°F (-4°C). The wettest month is typically March and the driest is September; the year sees roughly 46 in (1175 mm) of precipitation.
- Best time to visitSeptember – October — comfort peaks in September (7.2/10)
- Warmest monthJuly — average high 85°F (30°C)
- Coolest monthJanuary — average low 24°F (-4°C)
- Wettest monthMarch (5.1 in (130 mm))
- Driest monthSeptember (2.9 in (74 mm))
- Annual precipitation46 in (1175 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMartinsville 2 Sw, 3 km away (1950-2026)