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West Portsmouth climate
Typical historical weather for West Portsmouth, 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 West Portsmouth.
Annual average
13.8°C
across all months
Warmest month
30.3°C
Jul average high
Coolest month
-2.6°C
Jan average low
Annual rainfall
1273mm
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
28 August 2024
Coldest day
-23.9°C
22 January 2025
Wettest day
96.1mm
23 June 2017
Windiest day
7.5m/s
23 December 2022
See the detail: West Portsmouth on 23 June 2017.