Grafton climate

Typical historical weather for Grafton, 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 Grafton.

Annual average

11.5°C

across all months

Warmest month

27.8°C

Jul average high

Coolest month

-4.8°C

Jan average low

Annual rainfall

1182mm

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

35.5°C

15 June 2022

Coldest day

-25.7°C

14 February 2016

Wettest day

50.9mm

9 September 2018

Windiest day

9.7m/s

23 December 2022