Climate almanac
Seneca
South Carolina, United States · 34.69°, -82.95°
What is the climate like in Seneca?
The best time to visit Seneca is typically June – July, with trip comfort peaking in September (6.6/10). Seneca is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 35°F (2°C). The wettest month is typically January and the driest is November; the year sees roughly 56 in (1413 mm) of precipitation.
- Best time to visitJune – July — comfort peaks in September (6.6/10)
- Warmest monthJuly — average high 89°F (32°C)
- Coolest monthJanuary — average low 35°F (2°C)
- Wettest monthJanuary (5.8 in (147 mm))
- Driest monthNovember (3.4 in (87 mm))
- Annual precipitation56 in (1413 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromClemson Univ, 12 km away (1896-2026)