Colchester climate

Typical historical weather for Colchester, 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 Colchester.

Annual average

8.6°C

across all months

Warmest month

27.3°C

Jul average high

Coolest month

-8.8°C

Feb average low

Annual rainfall

1066mm

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

36.9°C

16 July 2025

Coldest day

-28.6°C

4 February 2023

Wettest day

81.5mm

4 August 2020

Windiest day

7.2m/s

23 December 2022