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

12.2°C

across all months

Warmest month

27.4°C

Jul average high

Coolest month

-3.9°C

Jan average low

Annual rainfall

1463mm

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

34°C

15 July 2024

Coldest day

-22.8°C

7 January 2018

Wettest day

64.4mm

1 September 2021

Windiest day

7.6m/s

23 December 2022