Chelsea climate

Typical historical weather for Chelsea, 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 Chelsea.

Annual average

10.9°C

across all months

Warmest month

26.3°C

Jul average high

Coolest month

-3.7°C

Jan average low

Annual rainfall

1167mm

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

24 June 2025

Coldest day

-22.8°C

14 February 2016

Wettest day

68.1mm

5 December 2020

Windiest day

11.4m/s

2 March 2018