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

10.6°C

across all months

Warmest month

28.4°C

Jul average high

Coolest month

-5.3°C

Jan average low

Annual rainfall

1229mm

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

36.8°C

30 June 2021

Coldest day

-25°C

14 February 2016

Wettest day

97.1mm

11 December 2024

Windiest day

8.7m/s

25 February 2019