Outdoor Michigan

Sumac Island Boat Launch Air Temperatures

Jan

High:29 F°(-1.5 C°)
Low:15 F°(-9.6 C°)

Feb

High:31 F°(-0.4 C°)
Low:15 F°(-9.4 C°)

March

High:41 F°(4.8 C°)
Low:23 F°(-4.9 C°)

April

High:54 F°(12.2 C°)
Low:34 F°(1.3 C°)

May

High:66 F°(18.7 C°)
Low:44 F°(6.8 C°)

June

High:75 F°(24.1 C°)
Low:54 F°(12.1 C°)

July

High:80 F°(26.6 C°)
Low:59 F°(14.9 C°)

August

High:78 F°(25.7 C°)
Low:58 F°(14.4 C°)

Sept

High:71 F°(21.7 C°)
Low:51 F°(10.4 C°)

Oct

High:58 F°(14.5 C°)
Low:40 F°(4.3 C°)

Nov

High:46 F°(7.5 C°)
Low:31 F°(-0.3 C°)

Dec

High:34 F°(1.3 C°)
Low:21 F°(-5.9 C°)