Climate almanac
New Martinsville
West Virginia, United States · 39.64°, -80.86°
What is the climate like in New Martinsville?
The best time to visit New Martinsville is typically September, the year's most comfortable month (6.6/10). New Martinsville is warmest in July, when daily highs average 84°F (29°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 53 in (1357 mm) of precipitation.
- Best time to visitSeptember — the year's comfort peak (6.6/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 26°F (-3°C)
- Wettest monthMay (5.9 in (151 mm))
- Driest monthNovember (3.0 in (77 mm))
- Annual precipitation53 in (1357 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHannibal Locks & Dam, 3 km away (1975-2026)