Port Austin weather by month
What a typical year looks like in Port Austin, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Port Hope, 16 km from Port Austin; records cover 1999–2026.
The year at a glance
- Precipitation a year
- 30.4 in771 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 28
- First fall freeze
- Nov 1
- Heating degree days
- 6,943
- Cooling degree days
- 445
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Port Austin in January
Highs average 30°−1° and lows 19°−7°, with 1.7 in44 mm of precipitation in a typical January.
- Record high
- 62°17° (2008)
- Record low
- −7°−22° (2018)
- Heating degree days
- 1257
- Cooling degree days
- 0
Port Austin in February
Highs average 31°0° and lows 19°−7°, with 1.4 in36 mm of precipitation in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −16°−27° (2015)
- Heating degree days
- 1121
- Cooling degree days
- 0
Port Austin in March
Highs average 39°4° and lows 26°−3°, with 2.1 in52 mm of precipitation in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −3°−19° (2014)
- Heating degree days
- 1012
- Cooling degree days
- 0
Port Austin in April
Highs average 50°10° and lows 35°2°, with 3 in76 mm of precipitation in a typical April.
- Record high
- 88°31° (2002)
- Record low
- 18°−8° (2007)
- Heating degree days
- 669
- Cooling degree days
- 1
Port Austin in May
Highs average 62°16° and lows 45°7°, with 2.9 in74 mm of precipitation in a typical May.
- Record high
- 91°33° (2011)
- Record low
- 27°−3° (2020)
- Heating degree days
- 376
- Cooling degree days
- 15
Port Austin in June
Highs average 71°22° and lows 56°13°, with 2.5 in63 mm of precipitation in a typical June.
- Record high
- 97°36° (2022)
- Record low
- 38°3° (2009)
- Heating degree days
- 120
- Cooling degree days
- 74
Port Austin in July
Highs average 77°25° and lows 62°16°, with 2.8 in72 mm of precipitation in a typical July.
- Record high
- 96°36° (2012)
- Record low
- 47°8° (2007)
- Heating degree days
- 21
- Cooling degree days
- 156
Port Austin in August
Highs average 76°24° and lows 62°16°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 97°36° (2001)
- Record low
- 46°8° (2009)
- Heating degree days
- 17
- Cooling degree days
- 136
Port Austin in September
Highs average 70°21° and lows 56°13°, with 2.9 in74 mm of precipitation in a typical September.
- Record high
- 96°36° (2000)
- Record low
- 36°2° (2020)
- Heating degree days
- 123
- Cooling degree days
- 55
Port Austin in OctoberThis month
Highs average 59°15° and lows 45°7°, with 3.3 in83 mm of precipitation in a typical October.
- Record high
- 91°33° (2000)
- Record low
- 25°−4° (2020)
- Heating degree days
- 416
- Cooling degree days
- 8
Port Austin in November
Highs average 46°8° and lows 35°1°, with 2.4 in60 mm of precipitation in a typical November.
- Record high
- 77°25° (2020)
- Record low
- 12°−11° (2019)
- Heating degree days
- 741
- Cooling degree days
- 0
Port Austin in December
Highs average 35°2° and lows 26°−3°, with 2 in50 mm of precipitation in a typical December.
- Record high
- 67°19° (2001)
- Record low
- −2°−19° (2000)
- Heating degree days
- 1070
- Cooling degree days
- 0