The Weather Network
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Historical Averages

Portsmouth, NH

-13°0°13°27°
0108

Historical Average

High °C
Feels
Low °C
Feels
Rain (mm)
Snow (cm)
More weather details below

Historical Monthly Averages in Portsmouth

12°
High
3°
Low
10
0
Feels
11
Days of Precip
100mm
Rain
1cm
Snow
57%
Cloud Cover
67%
Humidity
14km/h
Wind Speed
Historical Averages based on data recorded from 2000 to 2024.