Best time to visit Portsmouth, NH
A month-by-month travel weather guide based on NOAA 30-year climate normals.
Portsmouth is challenging for travel year-round — too hot, too cold, or too wet in every month. The cards below show what to expect.
No data available for this month.
Daylight ≈ 9h 9m
No data available for this month.
Daylight ≈ 10h 18m
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Daylight ≈ 11h 42m
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Daylight ≈ 13h 11m
No data available for this month.
Daylight ≈ 14h 28m
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Daylight ≈ 15h 8m
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Daylight ≈ 14h 53m
No data available for this month.
Daylight ≈ 13h 46m
No data available for this month.
Daylight ≈ 12h 17m
No data available for this month.
Daylight ≈ 10h 47m
No data available for this month.
Daylight ≈ 9h 29m
No data available for this month.
Daylight ≈ 8h 50m
Looking for similar climates? See Portsmouth's climate twins. Or jump straight to the full climate profile.