Best time to visit Portal, ND

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

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

January Cold
High
18.1°F
Low
-2.0°F
Precip
0.40 in

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

Daylight ≈ 8h 27m

February Cold
High
20.9°F
Low
1.3°F
Precip
0.37 in

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

Daylight ≈ 9h 54m

March Cold
High
33.2°F
Low
13.6°F
Precip
0.63 in

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

Daylight ≈ 11h 38m

April Cool
High
51.7°F
Low
26.5°F
Precip
0.91 in

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

Daylight ≈ 13h 28m

May Good
High
64.9°F
Low
38.3°F
Precip
2.27 in

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

Daylight ≈ 15h 4m

June Good
High
72.7°F
Low
49.1°F
Precip
3.70 in

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

Daylight ≈ 15h 55m

July Excellent
High
78.1°F
Low
52.7°F
Precip
2.51 in

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

Daylight ≈ 15h 36m

August Excellent
High
78.3°F
Low
50.2°F
Precip
1.37 in

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

Daylight ≈ 14h 11m

September Good
High
68.5°F
Low
41.0°F
Precip
1.49 in

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

Daylight ≈ 12h 20m

October Cool
High
52.3°F
Low
28.0°F
Precip
1.04 in

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

Daylight ≈ 10h 30m

November Cold
High
34.1°F
Low
14.6°F
Precip
0.54 in

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

Daylight ≈ 8h 52m

December Cold
High
21.3°F
Low
3.0°F
Precip
0.46 in

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

Daylight ≈ 8h 2m

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