Portage weather by month
What a typical year looks like in Portage, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cutler Dam, 22 km from Portage; records cover 1980–2026.
The year at a glance
- Precipitation a year
- 16.9 in430 mm
- Snow a year
- 39 in98 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 16
- Heating degree days
- 6,605
- Cooling degree days
- 742
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Portage in January
Highs average 32°0° and lows 17°−8°, with 1.9 in49 mm of precipitation and 14 in35 cm of snow in a typical January.
- Record high
- 59°15° (2003)
- Record low
- −17°−27° (2017)
- Heating degree days
- 1265
- Cooling degree days
- 0
Portage in February
Highs average 37°3° and lows 21°−6°, with 1.5 in38 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 65°18° (2015)
- Record low
- −22°−30° (1985)
- Heating degree days
- 1009
- Cooling degree days
- 0
Portage in March
Highs average 50°10° and lows 30°−1°, with 1.5 in38 mm of precipitation and 2 in5.1 cm of snow in a typical March.
- Record high
- 81°27° (2026)
- Record low
- 5°−15° (2002)
- Heating degree days
- 777
- Cooling degree days
- 0
Portage in April
Highs average 59°15° and lows 36°2°, with 1.8 in46 mm of precipitation and 0.3 in0.8 cm of snow in a typical April.
- Record high
- 86°30° (2018)
- Record low
- 15°−9° (1982)
- Heating degree days
- 528
- Cooling degree days
- 0
Portage in May
Highs average 69°20° and lows 45°7°, with 2.2 in57 mm of precipitation in a typical May.
- Record high
- 97°36° (2003)
- Record low
- 23°−5° (2004)
- Heating degree days
- 278
- Cooling degree days
- 19
Portage in June
Highs average 79°26° and lows 52°11°, with 1.1 in28 mm of precipitation in a typical June.
- Record high
- 101°38° (2021)
- Record low
- 33°1° (1995)
- Heating degree days
- 83
- Cooling degree days
- 102
Portage in July
Highs average 89°32° and lows 60°15°, with 0.54 in14 mm of precipitation in a typical July.
- Record high
- 107°42° (1980)
- Record low
- 40°4° (1986)
- Heating degree days
- 6
- Cooling degree days
- 302
Portage in August
Highs average 88°31° and lows 58°15°, with 0.7 in18 mm of precipitation in a typical August.
- Record high
- 103°39° (2001)
- Record low
- 38°3° (2004)
- Heating degree days
- 9
- Cooling degree days
- 258
Portage in September
Highs average 77°25° and lows 49°9°, with 1.2 in30 mm of precipitation in a typical September.
- Record high
- 99°37° (2022)
- Record low
- 28°−2° (1986)
- Heating degree days
- 122
- Cooling degree days
- 59
Portage in OctoberThis month
Highs average 62°17° and lows 37°3°, with 1.6 in40 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 86°30° (1992)
- Record low
- 8°−13° (2019)
- Heating degree days
- 470
- Cooling degree days
- 2
Portage in November
Highs average 47°8° and lows 28°−2°, with 1.2 in31 mm of precipitation and 3 in8 cm of snow in a typical November.
- Record high
- 73°23° (1990)
- Record low
- −1°−18° (2010)
- Heating degree days
- 837
- Cooling degree days
- 0
Portage in December
Highs average 33°1° and lows 18°−8°, with 1.6 in40 mm of precipitation and 10 in25 cm of snow in a typical December.
- Record high
- 62°17° (1995)
- Record low
- −19°−28° (1990)
- Heating degree days
- 1221
- Cooling degree days
- 0