Sunapee climate

Typical historical weather for Sunapee, 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 Sunapee.

Annual average

8.2°C

across all months

Warmest month

27.3°C

Jul average high

Coolest month

-9.7°C

Jan average low

Annual rainfall

1142mm

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

35.5°C

2 July 2018

Coldest day

-29.5°C

9 December 2025

Wettest day

68.1mm

18 December 2023

Windiest day

8m/s

17 February 2025