Williston climate

Typical historical weather for Williston, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Williston.

Annual average

7.9°C

across all months

Warmest month

26.6°C

Jul average high

Coolest month

-10°C

Jan average low

Annual rainfall

1167mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

35.3°C

23 June 2025

Coldest day

-30.4°C

22 January 2022

Wettest day

87.5mm

10 July 2023

Windiest day

7.3m/s

23 December 2022