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St. James weather by month

What a typical year looks like in St. James, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Beaver Island, 6 km from St. James; records cover 1905–2026.

Today’s St. James forecast

The year at a glance

January: typical high 26.7°F, low 15.2°F, precipitation null in. February: typical high 28.3°F, low 14.3°F, precipitation null in. March: typical high 37.2°F, low 21.2°F, precipitation null in. April: typical high 49.2°F, low 31.3°F, precipitation null in. May: typical high 62.6°F, low 42°F, precipitation null in. June: typical high 71.7°F, low 52.1°F, precipitation null in. July: typical high 76.1°F, low 58.3°F, precipitation null in. August: typical high 75°F, low 58.9°F, precipitation null in. September: typical high 67.6°F, low 52.4°F, precipitation null in. October: typical high 54.9°F, low 41.9°F, precipitation null in. November: typical high 43.1°F, low 31.9°F, precipitation null in. December: typical high 32.9°F, low 23°F, precipitation null in.−30°−34°−10°−23°10°−12°30°−1°50°10°70°21°90°32°27°−3°15°−9°Jan28°−2°14°−10°Feb37°3°21°−6°Mar49°10°31°0°Apr63°17°42°6°May72°22°52°11°Jun76°24°58°15°Jul75°24°59°15°Aug68°20°52°11°Sep55°13°42°5°Oct43°6°32°0°Nov33°0°23°−5°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
0 in0 mm
Snow a year
Rare
Last spring freeze
May 13
First fall freeze
Oct 18
Heating degree days
7,710
Cooling degree days
274

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 84°29° (cooling, 1%).

Month by month

St. James in January

Highs average 27°−3° and lows 15°−9°, with — of precipitation in a typical January.

Record high
54°12° (1914)
Record low
−24°−31° (1927)
Heating degree days
1366
Cooling degree days
0

St. James in February

Highs average 28°−2° and lows 14°−10°, with — of precipitation in a typical February.

Record high
59°15° (2000)
Record low
−25°−32° (1979)
Heating degree days
1224
Cooling degree days
0

St. James in March

Highs average 37°3° and lows 21°−6°, with — of precipitation in a typical March.

Record high
79°26° (2012)
Record low
−21°−29° (1962)
Heating degree days
1110
Cooling degree days
0

St. James in April

Highs average 49°10° and lows 31°0°, with — of precipitation in a typical April.

Record high
82°28° (1990)
Record low
2°−17° (1924)
Heating degree days
742
Cooling degree days
0

St. James in May

Highs average 63°17° and lows 42°6°, with — of precipitation in a typical May.

Record high
89°32° (2022)
Record low
20°−7° (1910)
Heating degree days
398
Cooling degree days
5

St. James in June

Highs average 72°22° and lows 52°11°, with — of precipitation in a typical June.

Record high
95°35° (1914)
Record low
30°−1° (1910)
Heating degree days
129
Cooling degree days
36

St. James in July

Highs average 76°24° and lows 58°15°, with — of precipitation in a typical July.

Record high
94°34° (1988)
Record low
35°2° (2000)
Heating degree days
36
Cooling degree days
104

St. James in August

Highs average 75°24° and lows 59°15°, with — of precipitation in a typical August.

Record high
93°34° (1988)
Record low
35°2° (1915)
Heating degree days
36
Cooling degree days
97

St. James in September

Highs average 68°20° and lows 52°11°, with — of precipitation in a typical September.

Record high
90°32° (1999)
Record low
27°−3° (2000)
Heating degree days
180
Cooling degree days
30

St. James in OctoberThis month

Highs average 55°13° and lows 42°5°, with — of precipitation in a typical October.

Record high
81°27° (1953)
Record low
10°−12° (1907)
Heating degree days
516
Cooling degree days
2

St. James in November

Highs average 43°6° and lows 32°0°, with — of precipitation in a typical November.

Record high
72°22° (2020)
Record low
5°−15° (2018)
Heating degree days
825
Cooling degree days
0

St. James in December

Highs average 33°0° and lows 23°−5°, with — of precipitation in a typical December.

Record high
61°16° (1918)
Record low
−13°−25° (2017)
Heating degree days
1148
Cooling degree days
0