Climate almanac
Williston
Vermont, United States · 44.44°, -73.07°
What is the climate like in Williston?
The best time to visit Williston is typically August – September, with trip comfort peaking in September (6.7/10). Williston is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 15°F (-10°C). The wettest month is typically October and the driest is September; the year sees roughly 46 in (1167 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in September (6.7/10)
- Warmest monthJuly — average high 80°F (27°C)
- Coolest monthJanuary — average low 15°F (-10°C)
- Wettest monthOctober (5.3 in (134 mm))
- Driest monthSeptember (2.9 in (75 mm))
- Annual precipitation46 in (1167 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBurlington Intl AP, 7 km away (1940-2026)