Williston

What is the climate like in Williston?

The best time to visit Williston is typically May – September, with trip comfort peaking in August (8.1/10). Williston is warmest in July, when daily highs average 84°F (29°C), and coolest in February, when lows fall to about 6°F (-14°C). The wettest month is typically May and the driest is January; the year sees roughly 18 in (460 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in August (8.1/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthFebruary — average low 6°F (-14°C)
• Wettest monthMay (2.8 in (72 mm))
• Driest monthJanuary (0.5 in (13 mm))
• Annual precipitation18 in (460 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWilliston Exp Farm, 9 km away (1956-2026)