Clifton weather by month
What a typical year looks like in Clifton, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Preston, 15 km from Clifton; records cover 1964–2026.
The year at a glance
- Precipitation a year
- 17.3 in439 mm
- Snow a year
- 52 in133 cm
- Last spring freeze
- May 18
- First fall freeze
- Sep 25
- Heating degree days
- 6,994
- Cooling degree days
- 460
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Clifton in January
Highs average 32°0° and lows 15°−9°, with 1.7 in42 mm of precipitation and 14 in34 cm of snow in a typical January.
- Record high
- 58°14° (2003)
- Record low
- −25°−32° (1984)
- Heating degree days
- 1277
- Cooling degree days
- 0
Clifton in February
Highs average 38°3° and lows 18°−8°, with 1.4 in36 mm of precipitation and 11 in27 cm of snow in a typical February.
- Record high
- 63°17° (2015)
- Record low
- −31°−35° (1982)
- Heating degree days
- 1036
- Cooling degree days
- 0
Clifton in March
Highs average 50°10° and lows 27°−3°, with 1.5 in38 mm of precipitation and 5 in13 cm of snow in a typical March.
- Record high
- 77°25° (2026)
- Record low
- −12°−24° (1969)
- Heating degree days
- 814
- Cooling degree days
- 0
Clifton in April
Highs average 59°15° and lows 33°0°, with 1.9 in48 mm of precipitation and 3 in8 cm of snow in a typical April.
- Record high
- 85°29° (2012)
- Record low
- 11°−12° (2023)
- Heating degree days
- 570
- Cooling degree days
- 0
Clifton in May
Highs average 69°21° and lows 40°5°, with 2.2 in57 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 94°34° (2020)
- Record low
- 21°−6° (1965)
- Heating degree days
- 323
- Cooling degree days
- 5
Clifton in June
Highs average 79°26° and lows 47°8°, with 1.2 in31 mm of precipitation in a typical June.
- Record high
- 100°38° (2015)
- Record low
- 22°−6° (1982)
- Heating degree days
- 111
- Cooling degree days
- 54
Clifton in July
Highs average 89°32° and lows 54°12°, with 0.74 in19 mm of precipitation in a typical July.
- Record high
- 110°43° (2000)
- Record low
- 32°0° (1968)
- Heating degree days
- 12
- Cooling degree days
- 208
Clifton in August
Highs average 87°31° and lows 52°11°, with 0.81 in21 mm of precipitation in a typical August.
- Record high
- 100°38° (2001)
- Record low
- 30°−1° (1992)
- Heating degree days
- 18
- Cooling degree days
- 170
Clifton in September
Highs average 77°25° and lows 43°6°, with 1.5 in38 mm of precipitation in a typical September.
- Record high
- 98°37° (2022)
- Record low
- 13°−11° (1965)
- Heating degree days
- 175
- Cooling degree days
- 23
Clifton in OctoberThis month
Highs average 63°17° and lows 33°1°, with 1.6 in40 mm of precipitation and 0.8 in2 cm of snow in a typical October.
- Record high
- 87°31° (2010)
- Record low
- 4°−16° (2019)
- Heating degree days
- 527
- Cooling degree days
- 0
Clifton in November
Highs average 47°8° and lows 24°−4°, with 1.2 in30 mm of precipitation and 5 in12 cm of snow in a typical November.
- Record high
- 70°21° (1999)
- Record low
- −8°−22° (1992)
- Heating degree days
- 891
- Cooling degree days
- 0
Clifton in December
Highs average 34°1° and lows 17°−9°, with 1.6 in40 mm of precipitation and 14 in36 cm of snow in a typical December.
- Record high
- 65°18° (1995)
- Record low
- −31°−35° (1990)
- Heating degree days
- 1240
- Cooling degree days
- 0