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's arrival coincides with a temperature rise, moving from March's 32.7°F (0.4°C) to a still wintry 42.3°F (5.7°C). Mackinac Island experiences a nighttime temperature average of 31.8°F (-0.1°C) during April.Humidity
The average relative humidity in April is 79%.Rainfall
In Mackinac Island, during April, the rain falls for 11.9 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 131 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mackinac Island, during April, snow falls for 7.1 days and regularly aggregates up to 2.56" (65mm) of snow. Throughout the year, in Mackinac Island, there are 93.6 snowfall days, and 27.91" (709mm) of snow is accumulated.Ocean temperature
February through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Mackinac Island.Note: In the sphere of swimming, this is extremely cold and poses life-endangering hazards. Hypothermia can occur almost instantly in the absence of insulated waterproof wear.
Daylight
The average length of the day in April is 13h and 34min.On the first day of April, sunrise is at 7:16 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:45 pm EDT.
Sunshine
In Mackinac Island, the average sunshine in April is 6.6h.UV index
In April, the average daily maximum UV index in Mackinac Island is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Mackinac Island during April?
What is the average humidity in April in Mackinac Island?
How much does it rain in Mackinac Island in April?
How many days does it snow in April in Mackinac Island?
What months are the ocean coldest in Mackinac Island?
What is the water temperature in April in Mackinac Island?
How many hours of daylight does Mackinac Island have in April?
When are sunrise and sunset in April in Mackinac Island?
How long on average sun shines in April in Mackinac Island?
How high is the UV index in April in Mackinac Island?
Average temperature in April
Mackinac Island, MI
- Average high temperature in April: 42.3°F
The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in April: 31.8°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in April
Mackinac Island, MI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Mackinac Island, MI
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).
Average humidity in April
Mackinac Island, MI
- Average humidity in April: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Mackinac Island, MI
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in April
Mackinac Island, MI
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Mackinac Island, MI
- Average snowfall in April: 2.56"
The month with the highest snowfall is January (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mackinac Island, MI
- Average snowfall days in April: 7.1 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Mackinac Island, MI
- Average sea temperature in April: 36°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight in April /
Average sunshine in April
Mackinac Island, MI
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in April
Mackinac Island, MI
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).
Average UV index in April
Mackinac Island, MI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (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
Mackinac Island, MI
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Mackinac Island, MI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mackinac Island, Michigan, USA
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