Granby climate

Typical historical weather for Granby, 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 Granby.

Annual average

15.1°C

across all months

Warmest month

32.2°C

Jul average high

Coolest month

-2.6°C

Jan average low

Annual rainfall

1193mm

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

21 July 2022

Coldest day

-25.1°C

16 February 2021

Wettest day

82.9mm

13 July 2023

Windiest day

8.3m/s

19 March 2025