Glastonbury climate

Typical historical weather for Glastonbury, 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 Glastonbury.

Annual average

11.3°C

across all months

Warmest month

29°C

Jul average high

Coolest month

-4.7°C

Jan average low

Annual rainfall

1207mm

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

37.7°C

30 June 2021

Coldest day

-24.6°C

14 February 2016

Wettest day

94.2mm

11 December 2024

Windiest day

8.3m/s

2 March 2018