Grand Marais weather in August 2019

  • 23°C maximum daytime temperature in August in Grand Marais23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in August in Grand Marais12
    12 days with some rainfall
  • 11°C minimum night-time temperature in August in Grand Marais11
    11°C min night temperature
  • 14 hours of daylight per day in August in Grand Marais14
    14 hours of daylight per day
  • No heat & humidity in August in Grand Marais0
    No heat & humidity
  • 88 mm monthly rainfall in August in Grand Marais88
    88 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Grand Marais7
    7 (High) UV index
  • 15°C sea temperature in August in Grand Marais15
    15°C sea temperature

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

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Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Grand Marais in August. Check more long-term weather averages for Grand Marais in August before you book your next holiday to Michigan in 2019/2020.

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More about Grand Marais

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The August weather guide for Grand Marais, Michigan 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.

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

Guide to Grand Marais weather in August

The average maximum daytime temperature in Grand Marais in August is a warm 23°C (73°F). The average night-time temperature is usually a cool 11°C (52°F). There are usually 8 hours of bright sunshine each day, which represents 57% of the 14 hours of daylight.

Expect 88mm (3.5 inches) of rainfall across the whole of August with 12 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

The average sea temperature in and around Grand Marais in August is 15°C (59°F).

Grand Marais sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Grand Marais in August 2019. Select a month to view Grand Marais sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 06:24 21:16
Friday, 2nd August 2019 06:25 21:14
Saturday, 3rd August 2019 06:27 21:13
Sunday, 4th August 2019 06:28 21:11
Monday, 5th August 2019 06:29 21:10
Tuesday, 6th August 2019 06:30 21:09
Wednesday, 7th August 2019 06:32 21:07
Thursday, 8th August 2019 06:33 21:06
Friday, 9th August 2019 06:34 21:04
Saturday, 10th August 2019 06:35 21:02
Sunday, 11th August 2019 06:37 21:01
Monday, 12th August 2019 06:38 20:59
Tuesday, 13th August 2019 06:39 20:58
Wednesday, 14th August 2019 06:40 20:56
Thursday, 15th August 2019 06:42 20:54
Friday, 16th August 2019 06:43 20:53
Saturday, 17th August 2019 06:44 20:51
Sunday, 18th August 2019 06:46 20:49
Monday, 19th August 2019 06:47 20:48
Tuesday, 20th August 2019 06:48 20:46
Wednesday, 21st August 2019 06:49 20:44
Thursday, 22nd August 2019 06:51 20:42
Friday, 23rd August 2019 06:52 20:40
Saturday, 24th August 2019 06:53 20:39
Sunday, 25th August 2019 06:55 20:37
Monday, 26th August 2019 06:56 20:35
Tuesday, 27th August 2019 06:57 20:33
Wednesday, 28th August 2019 06:58 20:31
Thursday, 29th August 2019 07:00 20:29
Friday, 30th August 2019 07:01 20:27
Saturday, 31st August 2019 07:02 20:25
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