- Book car hire with Alamo & get Viator discount code
- Save 10% on US attractions & excursions with Viator
- Offer available to UK residents only
Grand Portage weather in August 2020
- 2323°C max day temperature
- 1212 days with some rainfall
- 1010°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 8989 mm of monthly rainfall
- 77 (High) UV index
- 1515°C sea temperature
The August weather guide for Grand Portage, Minnesota shows long term 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.
How hot is it in Grand Portage in August?
Daytime temperatures usually reach 23°C in Grand Portage in August, falling to 10°C at night.
How sunny is it in Grand Portage in August?
There are normally 8 hours of bright sunshine each day in Grand Portage in August - that's 58% of daylight hours.
How warm is the sea around Grand Portage in August?
The average sea temperature around Grand Portage in August is 15°C.
Does it rain in Grand Portage in August?
There are usually 12 days with some rain in Grand Portage in August and the average monthly rainfall is 89mm.
Grand Portage sunrise & sunset times for August 2020
Browse the sunrise & sunset times for Grand Portage in August 2020. Select a month to view Grand Portage sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st August 2020||05:36||20:33|
|Sunday, 16th August 2020||05:56||20:09|
|Monday, 31st August 2020||06:16||19:41|
- Save up to 60% on hotels with Priceline Express Deals
- Search for cheap hotel deals by city or airport
- Filter deals by star rating, price, amenities & hotel area
Metric (°C / mm) | Imperial (°F / inches)
Discover more about the USA
Where's hot in Minnesota in August?
Below are average maximum temperatures at popular destinations in Minnesota in August. Select a destination to see more weather parameters.
Get FREE travel offers
Sign up to receive the latest deals and exclusive discounts on holidays, flights, hotels and more, plus inspiration on where to go when
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.