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 in Grand Portage (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
18°F maximum daytime temperature in January in Grand Portage18
23°F maximum daytime temperature in February in Grand Portage23
34°F maximum daytime temperature in March in Grand Portage34
50°F maximum daytime temperature in April in Grand Portage50
64°F maximum daytime temperature in May in Grand Portage64
72°F maximum daytime temperature in June in Grand Portage72
77°F maximum daytime temperature in July in Grand Portage77
73°F maximum daytime temperature in August in Grand Portage73
64°F maximum daytime temperature in September in Grand Portage64
52°F maximum daytime temperature in October in Grand Portage52
36°F maximum daytime temperature in November in Grand Portage36
21°F maximum daytime temperature in December in Grand Portage21
Min temperature (night-time)
-4°F minimum night-time temperature in January in Grand Portage-4
-0°F minimum night-time temperature in February in Grand Portage-0
12°F minimum night-time temperature in March in Grand Portage12
25°F minimum night-time temperature in April in Grand Portage25
36°F minimum night-time temperature in May in Grand Portage36
45°F minimum night-time temperature in June in Grand Portage45
52°F minimum night-time temperature in July in Grand Portage52
50°F minimum night-time temperature in August in Grand Portage50
41°F minimum night-time temperature in September in Grand Portage41
34°F minimum night-time temperature in October in Grand Portage34
19°F minimum night-time temperature in November in Grand Portage19
3°F minimum night-time temperature in December in Grand Portage3
Heat & Humidity
No heat & humidity in January in Grand Portage0
No heat & humidity in February in Grand Portage0
No heat & humidity in March in Grand Portage0
No heat & humidity in April in Grand Portage0
No heat & humidity in May in Grand Portage0
No heat & humidity in June in Grand Portage0
No heat & humidity in July in Grand Portage0
No heat & humidity in August in Grand Portage0
No heat & humidity in September in Grand Portage0
No heat & humidity in October in Grand Portage0
No heat & humidity in November in Grand Portage0
No heat & humidity in December in Grand Portage0
Sea temperature
36°F sea temperature in January in Grand Portage36
36°F sea temperature in February in Grand Portage36
36°F sea temperature in March in Grand Portage36
36°F sea temperature in April in Grand Portage36
37°F sea temperature in May in Grand Portage37
39°F sea temperature in June in Grand Portage39
46°F sea temperature in July in Grand Portage46
59°F sea temperature in August in Grand Portage59
55°F sea temperature in September in Grand Portage55
46°F sea temperature in October in Grand Portage46
41°F sea temperature in November in Grand Portage41
39°F sea temperature in December in Grand Portage39

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
Daily hours of daylight
9 hours of daylight per day in January in Grand Portage9
10 hours of daylight per day in February in Grand Portage10
12 hours of daylight per day in March in Grand Portage12
14 hours of daylight per day in April in Grand Portage14
15 hours of daylight per day in May in Grand Portage15
16 hours of daylight per day in June in Grand Portage16
16 hours of daylight per day in July in Grand Portage16
14 hours of daylight per day in August in Grand Portage14
13 hours of daylight per day in September in Grand Portage13
11 hours of daylight per day in October in Grand Portage11
9 hours of daylight per day in November in Grand Portage9
8 hours of daylight per day in December in Grand Portage8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Grand Portage1
UV (maximum) index 1 (Low) in February in Grand Portage1
UV (maximum) index 3 (Moderate) in March in Grand Portage3
UV (maximum) index 4 (Moderate) in April in Grand Portage4
UV (maximum) index 6 (High) in May in Grand Portage6
UV (maximum) index 7 (High) in June in Grand Portage7
UV (maximum) index 7 (High) in July in Grand Portage7
UV (maximum) index 7 (High) in August in Grand Portage7
UV (maximum) index 5 (Moderate) in September in Grand Portage5
UV (maximum) index 3 (Moderate) in October in Grand Portage3
UV (maximum) index 1 (Low) in November in Grand Portage1
UV (maximum) index 1 (Low) in December in Grand Portage1

Rainfall in Grand Portage

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Grand Portage11
9 days with some rainfall in February in Grand Portage9
10 days with some rainfall in March in Grand Portage10
9 days with some rainfall in April in Grand Portage9
11 days with some rainfall in May in Grand Portage11
13 days with some rainfall in June in Grand Portage13
11 days with some rainfall in July in Grand Portage11
12 days with some rainfall in August in Grand Portage12
12 days with some rainfall in September in Grand Portage12
11 days with some rainfall in October in Grand Portage11
10 days with some rainfall in November in Grand Portage10
12 days with some rainfall in December in Grand Portage12
Average monthly rainfall (inches)
1.9 inches monthly rainfall in January in Grand Portage1.9
1.3 inches monthly rainfall in February in Grand Portage1.3
1.8 inches monthly rainfall in March in Grand Portage1.8
2.0 inches monthly rainfall in April in Grand Portage2.0
2.9 inches monthly rainfall in May in Grand Portage2.9
3.5 inches monthly rainfall in June in Grand Portage3.5
3.4 inches monthly rainfall in July in Grand Portage3.4
3.5 inches monthly rainfall in August in Grand Portage3.5
3.5 inches monthly rainfall in September in Grand Portage3.5
2.5 inches monthly rainfall in October in Grand Portage2.5
2.2 inches monthly rainfall in November in Grand Portage2.2
2.0 inches monthly rainfall in December in Grand Portage2.0

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.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Grand Portage with the USA

Below the Grand Portage chart shows average maximum daytime temperature for Grand Portage, Minnesota, USA and the USA (Washington).

Maximum daytime temperature (°F)

Grand Portage, Minnesota, USA
USA (Washington)
41
45
34
55
50
66
64
75
72
84
77
88
73
86
64
79
52
68
36
57
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
18
23
21

Metric (°C)  |  Imperial (°F)

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