Best time to visit Calais, ME

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

The most comfortable travel window in Calais runs from May through September — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
28.7°F
Low
11.0°F
Precip
4.85 in

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

Daylight ≈ 8h 56m

February Cold
High
31.6°F
Low
12.7°F
Precip
4.17 in

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

Daylight ≈ 10h 10m

March Cold
High
39.7°F
Low
21.8°F
Precip
4.82 in

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

Daylight ≈ 11h 41m

April Cool
High
50.8°F
Low
32.1°F
Precip
4.39 in

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

Daylight ≈ 13h 17m

May Good
High
62.2°F
Low
41.2°F
Precip
4.35 in

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

Daylight ≈ 14h 40m

June Good
High
70.9°F
Low
49.9°F
Precip
4.10 in

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

Daylight ≈ 15h 23m

July Excellent
High
76.9°F
Low
56.1°F
Precip
3.18 in

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

Daylight ≈ 15h 7m

August Excellent
High
76.8°F
Low
55.8°F
Precip
3.45 in

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

Daylight ≈ 13h 54m

September Good
High
69.1°F
Low
49.0°F
Precip
4.23 in

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

Daylight ≈ 12h 18m

October Wet
High
56.6°F
Low
39.4°F
Precip
5.43 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 10h 42m

November Wet
High
45.2°F
Low
30.2°F
Precip
5.50 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 9h 17m

December Wet
High
34.4°F
Low
19.4°F
Precip
6.27 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 8h 34m

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