Grantsville climate

Typical historical weather for Grantsville, 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 Grantsville.

Annual average

12°C

across all months

Warmest month

33.9°C

Jul average high

Coolest month

-4.8°C

Jan average low

Annual rainfall

446mm

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

38.9°C

31 July 2020

Coldest day

-23.2°C

6 January 2017

Wettest day

28.4mm

28 September 2019

Windiest day

6.6m/s

8 September 2020