Climate almanac
Brookhaven
West Virginia, United States · 39.61°, -79.90°
What is the climate like in Brookhaven?
The best time to visit Brookhaven is typically September, the year's most comfortable month (6.5/10). Brookhaven is warmest in July, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically May and the driest is November; the year sees roughly 57 in (1453 mm) of precipitation.
- Best time to visitSeptember — the year's comfort peak (6.5/10)
- Warmest monthJuly — average high 82°F (28°C)
- Coolest monthJanuary — average low 26°F (-3°C)
- Wettest monthMay (6.4 in (163 mm))
- Driest monthNovember (3.5 in (88 mm))
- Annual precipitation57 in (1453 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMorgantown Muni AP, 4 km away (1877-2026)