Climateby Month

Mackinac Island, MI weather in April

NOAA 1991-2020 normals and daily records · Mackinac Island all year

Expect chilly weather with frequent rain and some snow in Mackinac Island in April, with highs near 49°F and lows near 30°F. Rain or snow falls on about 12 days. Snowfall averages about 4.9 in.

Normal high
49°F
Normal low
30°F
Wet days
12
2.8 in total
Snowfall
4.9 in
snow on the ground 4 days

How April changes from start to finish

Normal values at the start and end of April
April 1April 30
Normal high43°F55°F
Normal low24°F36°F
Chance of a wet day35%39%
Sunrise / sunset7:18 am / 8:06 pm6:27 am / 8:44 pm
Daylight12.8 h14.3 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical April day

  1. 6 am33°Fdew point 28°F
  2. 9 am41°Fdew point 30°F
  3. Noon47°Fdew point 30°F
  4. 3 pm49°Fdew point 29°F
  5. 6 pm47°Fdew point 29°F
  6. 9 pm40°Fdew point 29°F

NOAA hourly normals (local standard time) from Pellston Rgnl Airport (21 mi away); average wind 9 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 30
  • Hot dayshigh 90°F or more0 of 30
  • Muggy daysdaily mean dew point 65°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow12 of 30
  • Notable rainat least 0.10 in7 of 30
  • Freezing nightslow 32°F or below19 of 30
  • Snow on the groundsnow depth 1 in or more4 of 30

Average days per April, counted from daily records for each year 1991-2020.

Rain and snow in April

Normal precipitation is 2.8 in; a dry April brings about 1.8 in and a wet one about 3.3 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 4.9 in, with about 2 days of an inch or more.

How April varies from year to year

  • Warmest April, 1991-20202010: average high 58°F
  • Coolest April2018: average high 41°F
  • Wettest April2011: 8.1 in
  • Driest April1997: 0.3 in
  • Highest reading85°F (April 23, 2007)
  • Lowest reading-2°F (April 6, 2003)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

April compared with March and May

MarchAprilMay
Normal high38°F49°F62°F
Normal low18°F30°F41°F
Wet days101212
Comfortable days029
Daylight11.9 h13.6 h14.9 h

Highs change by +11°F from March and +13°F into May.

Nearby alternatives in April

How Mackinac Island ranks in April

  • Normal high367th warmest of 378 cities; 8th of 8 in Michigan
  • Wet days292nd driest of 378
  • Comfortable days319th most of 340

What to pack for Mackinac Island in April

  • A warm jacket – lows near 30°F, highs near 49°F
  • A rain jacket or umbrella – rain or snow on about 12 days
  • Waterproof boots – about 4.9 in of snow in a typical year
  • A hat and gloves – about 19 freezing nights

Heating and cooling

April has 764 heating degree days and 0 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.

Questions

How cold is Mackinac Island in April?

The normal high is 49°F and the normal low is 30°F. From 1991 to 2020 the coldest April reading was -2°F (April 6, 2003).

Does it rain a lot in Mackinac Island in April?

About 12 days in April have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest April in 1991-2020 was in 2011 (8.1 in); the driest was in 1997 (0.3 in).

Does it snow in Mackinac Island in April?

Yes. Normal snowfall in April is 4.9 in, and snow covers the ground on about 4 days.

Is April a good time to visit Mackinac Island?

April ranks 6th of 12 months on our comfort score for Mackinac Island (50 out of 100). It has about 2 comfortable days. The best month is June.

Where the numbers come from

  • Temperature, rain, snowfall and snow depth: Cheboygan (USC00201492), 15 mi SSE of the city center, 588 ft . NOAA normals and daily records, 1991-2020.
  • Frost dates: St Ignace Mackinac Br (USC00207274), 5.0 mi W of the city center, 595 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Pellston Rgnl Airport (USW00014841), 21 mi SSW of the city center, 705 ft (107 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Pellston Regional Arpt Of Emmet County Arpt (727347-14841), 21 mi SSW of the city center, 706 ft (108 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).