Grand Portage weather by month

Check out Grand Portage weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Grand Portage (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	18	23	34	50	64	72	77	73	64	52	36	21
Min temperature (night-time)	-4	-0	12	25	36	45	52	50	41	34	19	3
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	36	36	36	36	37	39	46	59	55	46	41	39

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Grand Portage

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	6	8	8	9	10	8	6	4	3	3
Daily hours of daylight	9	10	12	14	15	16	16	14	13	11	9	8
UV Index (Maximum)	1	1	3	4	6	7	7	7	5	3	1	1

Rainfall in Grand Portage

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	9	10	9	11	13	11	12	12	11	10	12
Average monthly rainfall (inches)	1.9	1.3	1.8	2.0	2.9	3.5	3.4	3.5	3.5	2.5	2.2	2.0

More about Grand Portage

Grand Portage by month

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

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The climate guide for Minnesota (Grand Portage) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Grand Portage?

Grand Portage has a cold climate with warm summers and some rainfall in all months.

Grand Portage weather in January

Expect daytime maximum temperatures of 18°F in Grand Portage, Minnesota in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 1.9 inches of rainfall in the month, which might fall as snow.

18
18°F max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
-4
-4°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
1.9
1.9 inches of monthly rainfall
1
1 (Low) UV index
36
36°F sea temperature

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Grand Portage weather in February

Expect daytime maximum temperatures of 23°F in Grand Portage, Minnesota in February based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

23
23°F max day temperature
5
5 hours of sunshine per day
9
9 days with some rainfall
-0
-0°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
1.3
1.3 inches of monthly rainfall
1
1 (Low) UV index
36
36°F sea temperature

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Grand Portage weather in March

Expect daytime maximum temperatures of 34°F in Grand Portage, Minnesota in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 1.8 inches of rainfall in the month, which might fall as snow.

34
34°F max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
12
12°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
1.8
1.8 inches of monthly rainfall
3
3 (Moderate) UV index
36
36°F sea temperature

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Grand Portage weather in April

Expect daytime maximum temperatures of 50°F in Grand Portage, Minnesota in April based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

50
50°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
25
25°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
2.0
2.0 inches of monthly rainfall
4
4 (Moderate) UV index
36
36°F sea temperature

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Grand Portage weather in May

Expect daytime maximum temperatures of 64°F in Grand Portage, Minnesota in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 2.9 inches of rainfall in the month.

64
64°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
36
36°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
6
6 (High) UV index
37
37°F sea temperature

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Grand Portage weather in June

Expect daytime maximum temperatures of 72°F in Grand Portage, Minnesota in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 3.5 inches of rainfall in the month.

72
72°F max day temperature
9
9 hours of sunshine per day
13
13 days with some rainfall
45
45°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
7
7 (High) UV index
39
39°F sea temperature

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Grand Portage weather in July

Expect daytime maximum temperatures of 77°F in Grand Portage, Minnesota in July based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 3.4 inches of rainfall in the month.

77
77°F max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
52
52°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
7
7 (High) UV index
46
46°F sea temperature

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Grand Portage weather in August

Expect daytime maximum temperatures of 73°F in Grand Portage, Minnesota in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 3.5 inches of rainfall in the month.

73
73°F max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
50
50°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
7
7 (High) UV index
59
59°F sea temperature

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Grand Portage weather in September

Expect daytime maximum temperatures of 64°F in Grand Portage, Minnesota in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 3.5 inches of rainfall in the month.

64
64°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
41
41°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
5
5 (Moderate) UV index
55
55°F sea temperature

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Grand Portage weather in October

Expect daytime maximum temperatures of 52°F in Grand Portage, Minnesota in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 2.5 inches of rainfall in the month.

52
52°F max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
34
34°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.5
2.5 inches of monthly rainfall
3
3 (Moderate) UV index
46
46°F sea temperature

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Grand Portage weather in November

Expect daytime maximum temperatures of 36°F in Grand Portage, Minnesota in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 10 days with some rainfall and typically 2.2 inches of rainfall in the month, which might fall as snow.

36
36°F max day temperature
3
3 hours of sunshine per day
10
10 days with some rainfall
19
19°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
1
1 (Low) UV index
41
41°F sea temperature

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Grand Portage weather in December

Expect daytime maximum temperatures of 21°F in Grand Portage, Minnesota in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 12 days with some rainfall and typically 2.0 inches of rainfall in the month, which might fall as snow.

21
21°F max day temperature
3
3 hours of sunshine per day
12
12 days with some rainfall
3
3°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
2.0
2.0 inches of monthly rainfall
1
1 (Low) UV index
39
39°F sea temperature

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