Grand Portage weather averages

Going to Grand Portage? Find the best month to visit Grand Portage based on the weather.

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Check Grand Portage weather averages before you book your next holiday in 2019/2020. The average maximum daytime temperature in Grand Portage in March is 1°C.

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More about Grand Portage

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The weather for Grand Portage, Minnesota 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 / mm)  |  Imperial (°F / inches)

Grand Portage weather averages: best month

Grand Portage Best month Averages
Warmest July 25°C
Sunniest July 10 hours per day
Least rain February & April 9 days
Warmest sea August 15°C

Grand Portage climate guide

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Grand Portage weather averages by month

Check Grand Portage holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Grand Portage weather with the USA

Below the Grand Portage weather chart shows maximum daytime temperature for Grand Portage, Minnesota, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Grand Portage, Minnesota, USA
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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