Best time to visit Dover, NH

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Dover runs from May through October — 6 months of pleasant temperatures and modest rainfall.

January Cold
High
32.4°F
Low
14.8°F
Precip
3.38 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 9m

February Cold
High
35.5°F
Low
16.4°F
Precip
3.52 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 10h 18m

March Cold
High
43.2°F
Low
24.5°F
Precip
4.39 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 11h 42m

April Cool
High
55.4°F
Low
33.8°F
Precip
4.20 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 12m

May Good
High
65.9°F
Low
44.1°F
Precip
3.80 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 29m

June Good
High
74.9°F
Low
53.3°F
Precip
4.28 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 9m

July Good
High
80.5°F
Low
59.0°F
Precip
3.76 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 54m

August Excellent
High
79.7°F
Low
57.3°F
Precip
3.43 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 13h 46m

September Good
High
71.7°F
Low
49.8°F
Precip
3.86 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 17m

October Good
High
60.1°F
Low
39.0°F
Precip
4.79 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 47m

November Cool
High
48.2°F
Low
30.3°F
Precip
3.95 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 9h 28m

December Cold
High
37.8°F
Low
21.6°F
Precip
4.47 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 49m

Looking for similar climates? See Dover's climate twins. Or jump straight to the full climate profile.