Tremonton weather by month
What a typical year looks like in Tremonton, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BRIGHAM CITY WASTE PLANT, 25 km from Tremonton; records cover 1974–2026.
The year at a glance
- Precipitation a year
- 15.5 in393 mm
- Snow a year
- 38 in97 cm
- Last spring freeze
- May 7
- First fall freeze
- Oct 2
- Heating degree days
- 6,099
- Cooling degree days
- 704
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Tremonton in January
Highs average 36°2° and lows 18°−8°, with 1.5 in39 mm of precipitation and 12 in31 cm of snow in a typical January.
- Record high
- 60°16° (2003)
- Record low
- −22°−30° (2017)
- Heating degree days
- 1170
- Cooling degree days
- 0
Tremonton in February
Highs average 43°6° and lows 22°−5°, with 1.2 in31 mm of precipitation and 8 in19 cm of snow in a typical February.
- Record high
- 66°19° (1981)
- Record low
- −23°−31° (1985)
- Heating degree days
- 911
- Cooling degree days
- 0
Tremonton in March
Highs average 54°12° and lows 31°−1°, with 1.5 in39 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 80°27° (2026)
- Record low
- 3°−16° (1976)
- Heating degree days
- 702
- Cooling degree days
- 0
Tremonton in April
Highs average 62°16° and lows 36°2°, with 1.7 in43 mm of precipitation and 1.2 in3 cm of snow in a typical April.
- Record high
- 85°29° (1994)
- Record low
- 15°−9° (2023)
- Heating degree days
- 488
- Cooling degree days
- 1
Tremonton in May
Highs average 71°22° and lows 44°7°, with 2 in52 mm of precipitation in a typical May.
- Record high
- 94°34° (2003)
- Record low
- 23°−5° (2008)
- Heating degree days
- 248
- Cooling degree days
- 17
Tremonton in June
Highs average 82°28° and lows 50°10°, with 1.1 in29 mm of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 30°−1° (2002)
- Heating degree days
- 68
- Cooling degree days
- 103
Tremonton in July
Highs average 91°33° and lows 58°14°, with 0.39 in9.9 mm of precipitation in a typical July.
- Record high
- 104°40° (2002)
- Record low
- 35°2° (2005)
- Heating degree days
- 4
- Cooling degree days
- 291
Tremonton in August
Highs average 89°32° and lows 56°13°, with 0.61 in15 mm of precipitation in a typical August.
- Record high
- 102°39° (1994)
- Record low
- 34°1° (1992)
- Heating degree days
- 8
- Cooling degree days
- 239
Tremonton in September
Highs average 79°26° and lows 46°8°, with 1.3 in32 mm of precipitation in a typical September.
- Record high
- 99°37° (2022)
- Record low
- 15°−9° (2005)
- Heating degree days
- 118
- Cooling degree days
- 52
Tremonton in OctoberThis month
Highs average 65°18° and lows 36°2°, with 1.6 in41 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 92°33° (1987)
- Record low
- 6°−14° (2019)
- Heating degree days
- 455
- Cooling degree days
- 1
Tremonton in November
Highs average 50°10° and lows 27°−3°, with 1.1 in27 mm of precipitation and 4 in10 cm of snow in a typical November.
- Record high
- 73°23° (1999)
- Record low
- −3°−19° (2010)
- Heating degree days
- 802
- Cooling degree days
- 0
Tremonton in December
Highs average 38°3° and lows 20°−7°, with 1.4 in35 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 66°19° (1995)
- Record low
- −25°−32° (1990)
- Heating degree days
- 1125
- Cooling degree days
- 0