Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In Grand Portage, Minnesota, July and August are characterised by the peak of temperatures, recording an average high of 70°F (21.1°C).Humidity
The average relative humidity in July is 75%.Rainfall
In July, the rain falls for 12.9 days. Throughout July, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 115 rainfall days, and 18.19" (462mm) of precipitation is accumulated.Snowfall
In Grand Portage, snow does not fall in June through September.Ocean temperature
In Grand Portage, in July, the average water temperature is 46.4°F (8°C).Note: Diving into 46.4°F (8°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In Grand Portage, the average length of the day in July is 15h and 34min.On the first day of the month, sunrise is at 5:03 am and sunset at 9:01 pm. On the last day of July, sunrise is at 5:34 am and sunset at 8:35 pm CDT.
Sunshine
In July, the average sunshine in Grand Portage is 10.3h.UV index
July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Grand Portage?
What are the temperatures in Grand Portage in July?
What is the average humidity in July in Grand Portage?
How many days does it rain in July in Grand Portage?
When it does not snow in Grand Portage?
How cold is the water in July in Grand Portage?
What is the average length of the day in July in Grand Portage?
When are sunrise and sunset in July in Grand Portage?
How long on average sun shines in July in Grand Portage?
What is the month with the highest UV index in Grand Portage?
How high is the UV index in July in Grand Portage?
Average temperature in July
Grand Portage, MN
- Average high temperature in July: 70°F
The warmest months (with the highest average high temperature) are July and August (70°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in July: 53.6°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in July
Grand Portage, MN
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Grand Portage, MN
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is December (9.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).
Average humidity in July
Grand Portage, MN
- Average humidity in July: 75%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in July
Grand Portage, MN
- Average rainfall in July: 1.61"
The wettest months (with the highest rainfall) are May and October (1.77").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in July
Grand Portage, MN
- Average rainfall days in July: 12.9 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in July
Grand Portage, MN
- Average snowfall in July: 0"
The month with the highest snowfall is January (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Grand Portage, MN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in July
Grand Portage, MN
- Average sea temperature in July: 46°F
The best month for swimming (with the highest average sea temperature) is August (59°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).
Average daylight in July /
Average sunshine in July
Grand Portage, MN
- Average daylight in July: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in July
Grand Portage, MN
- Average sunshine days in July: 17.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in July
Grand Portage, MN
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in July
Grand Portage, MN
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in July
Grand Portage, MN
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Grand Portage, Minnesota, USA
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