Grand Portage climate guide

Temperature in Grand Portage (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-8°C maximum daytime temperature in January in Grand Portage-8
-5°C maximum daytime temperature in February in Grand Portage-5
1°C maximum daytime temperature in March in Grand Portage1
10°C maximum daytime temperature in April in Grand Portage10
18°C maximum daytime temperature in May in Grand Portage18
22°C maximum daytime temperature in June in Grand Portage22
25°C maximum daytime temperature in July in Grand Portage25
23°C maximum daytime temperature in August in Grand Portage23
18°C maximum daytime temperature in September in Grand Portage18
11°C maximum daytime temperature in October in Grand Portage11
2°C maximum daytime temperature in November in Grand Portage2
-6°C maximum daytime temperature in December in Grand Portage-6
Min temperature (night-time)
-20°C minimum night-time temperature in January in Grand Portage-20
-18°C minimum night-time temperature in February in Grand Portage-18
-11°C minimum night-time temperature in March in Grand Portage-11
-4°C minimum night-time temperature in April in Grand Portage-4
2°C minimum night-time temperature in May in Grand Portage2
7°C minimum night-time temperature in June in Grand Portage7
11°C minimum night-time temperature in July in Grand Portage11
10°C minimum night-time temperature in August in Grand Portage10
5°C minimum night-time temperature in September in Grand Portage5
1°C minimum night-time temperature in October in Grand Portage1
-7°C minimum night-time temperature in November in Grand Portage-7
-16°C minimum night-time temperature in December in Grand Portage-16
Sea temperature
2°C sea temperature in January in Grand Portage2
2°C sea temperature in February in Grand Portage2
2°C sea temperature in March in Grand Portage2
2°C sea temperature in April in Grand Portage2
3°C sea temperature in May in Grand Portage3
4°C sea temperature in June in Grand Portage4
8°C sea temperature in July in Grand Portage8
15°C sea temperature in August in Grand Portage15
13°C sea temperature in September in Grand Portage13
8°C sea temperature in October in Grand Portage8
5°C sea temperature in November in Grand Portage5
4°C sea temperature in December in Grand Portage4

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

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 (mm)
47 mm monthly rainfall in January in Grand Portage47
33 mm monthly rainfall in February in Grand Portage33
46 mm monthly rainfall in March in Grand Portage46
51 mm monthly rainfall in April in Grand Portage51
73 mm monthly rainfall in May in Grand Portage73
88 mm monthly rainfall in June in Grand Portage88
86 mm monthly rainfall in July in Grand Portage86
89 mm monthly rainfall in August in Grand Portage89
88 mm monthly rainfall in September in Grand Portage88
64 mm monthly rainfall in October in Grand Portage64
56 mm monthly rainfall in November in Grand Portage56
50 mm monthly rainfall in December in Grand Portage50

More climate for Grand Portage

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

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

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

The climate guide for Grand Portage, Minnesota 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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