Which is the hottest month in Grand Portage?

The hottest time of year in Grand Portage is normally July. Expect maximum daytime temperatures to reach 25°C with no heat and humidity.

Which month has the most rain in Grand Portage?

In terms of rainfall, August is usually the wettest month in Grand Portage with 89mm on average. There are normally 12 days in August with some rain.

When is it sunniest in Grand Portage?

The sunniest time of year in Grand Portage is normally July with bright sunshine on average for 62% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Grand Portage?

The sea is usually at its warmest in Grand Portage in August when the water temperature reaches 15°C.

Best time to visit Grand Portage

Q: When is the best time to visit Grand Portage?

The best time to visit Grand Portage is July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Grand Portage by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Grand Portage?

The best time to visit Grand Portage is July based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
1
Feb
1.5
Mar
2
Apr
3
May
4.5
Jun
5
Jul
4
Aug
2
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

18
Jan
23
Feb
34
Mar
50
Apr
64
May
72
Jun
77
Jul
73
Aug
64
Sep
52
Oct
36
Nov
21
Dec

Hours of Sunshine (daily)

4
Jan
5
Feb
6
Mar
8
Apr
8
May
9
Jun
10
Jul
8
Aug
6
Sep
4
Oct
3
Nov
3
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Minnesota (Grand Portage) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)