Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April sees a temperature increase, moving from a subzero cold 29.7°F (-1.3°C) in March to a cold 40.5°F (4.7°C). Grand Portage sees an average low-temperature of 28.8°F (-1.8°C) during April.Humidity
In Grand Portage, the average relative humidity in April is 79%.Rainfall
In Grand Portage, during April, the rain falls for 10.2 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Grand Portage, during the entire year, the rain falls for 115 days and collects up to 18.19" (462mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Grand Portage, Minnesota. In Grand Portage, in April, during 9.7 snowfall days, 6.5" (165mm) of snow is typically accumulated. Throughout the year, there are 104.1 snowfall days, and 39.84" (1012mm) of snow is accumulated.Ocean temperature
The months with the coldest seawater in Grand Portage, Minnesota, are January through April, with an average ocean temperature of 35.6°F (2°C).Note: In swimming, this condition is considered life-threatening and perilous. The painful sensation of cold water leads to immediate hyperventilation. Utilizing a specialized swimsuit is critical to reduce thermal injury.
Daylight
In April, the average length of the day is 13h and 41min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:29 pm. On the last day of April, in Grand Portage, Minnesota, sunrise is at 5:40 am and sunset at 8:10 pm CDT.
Sunshine
In April, the average sunshine in Grand Portage is 6.3h.UV index
In April, the average daily maximum UV index in Grand Portage is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Grand Portage during April?
What is the average humidity in April in Grand Portage?
How much does it rain in Grand Portage in April?
How many days does it snow in April in Grand Portage?
What months are the ocean coldest in Grand Portage?
What is the water temperature in April in Grand Portage?
What is the average length of the day in April in Grand Portage?
When are sunrise and sunset in April in Grand Portage?
How many hours of sunshine does Grand Portage have in April?
How high is the UV index in April in Grand Portage?
Average temperature in April
Grand Portage, MN
- Average high temperature in April: 40.5°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 April: 28.8°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 April
Grand Portage, MN
- Average pressure in April: 30"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 April
Grand Portage, MN
- Average wind speed in April: 8mph
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 April
Grand Portage, MN
- Average humidity in April: 79%
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 April
Grand Portage, MN
- Average rainfall in April: 1.73"
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 April
Grand Portage, MN
- Average rainfall days in April: 10.2 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 April
Grand Portage, MN
- Average snowfall in April: 6.5"
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 April
Grand Portage, MN
- Average snowfall days in April: 9.7 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 April
Grand Portage, MN
- Average sea temperature in April: 36°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 April /
Average sunshine in April
Grand Portage, MN
- Average daylight in April: 13h 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 April: 6h 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 April
Grand Portage, MN
- Average sunshine days in April: 12.7 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 April
Grand Portage, MN
- Average UV index in April: 2
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 April
Grand Portage, MN
- Average cloud cover in April: 54
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 April
Grand Portage, MN
- Average visibility in April: 5mi
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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