Climate almanac
Erwin
Tennessee, United States · 36.15°, -82.42°
What is the climate like in Erwin?
The best time to visit Erwin is typically September – October, with trip comfort peaking in September (6.7/10). Erwin is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 31°F (-1°C). The wettest month is typically February and the driest is November; the year sees roughly 49 in (1249 mm) of precipitation.
- Best time to visitSeptember – October — comfort peaks in September (6.7/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 31°F (-1°C)
- Wettest monthFebruary (5.4 in (137 mm))
- Driest monthNovember (3.0 in (76 mm))
- Annual precipitation49 in (1249 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromErwin 1 W, 1 km away (1979-2026)