Vernal weather by month
What a typical year looks like in Vernal, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at VERNAL, 1 km from Vernal; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 9.1 in231 mm
- Snow a year
- 20 in52 cm
- Last spring freeze
- May 5
- First fall freeze
- Oct 1
- Heating degree days
- 7,114
- Cooling degree days
- 563
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Vernal in January
Highs average 29°−2° and lows 10°−12°, with 0.62 in16 mm of precipitation and 6 in15 cm of snow in a typical January.
- Record high
- 57°14° (1956)
- Record low
- −38°−39° (1937)
- Heating degree days
- 1407
- Cooling degree days
- 0
Vernal in February
Highs average 37°3° and lows 17°−9°, with 0.56 in14 mm of precipitation and 4 in10 cm of snow in a typical February.
- Record high
- 64°18° (1972)
- Record low
- −38°−39° (1989)
- Heating degree days
- 1070
- Cooling degree days
- 0
Vernal in March
Highs average 51°11° and lows 27°−3°, with 0.68 in17 mm of precipitation and 1.6 in4.1 cm of snow in a typical March.
- Record high
- 84°29° (2026)
- Record low
- −18°−28° (1922)
- Heating degree days
- 812
- Cooling degree days
- 0
Vernal in April
Highs average 60°16° and lows 34°1°, with 0.75 in19 mm of precipitation and 0.6 in1.5 cm of snow in a typical April.
- Record high
- 91°33° (1947)
- Record low
- 0°−18° (1922)
- Heating degree days
- 549
- Cooling degree days
- 0
Vernal in May
Highs average 70°21° and lows 43°6°, with 1 in26 mm of precipitation in a typical May.
- Record high
- 101°38° (1913)
- Record low
- 12°−11° (1948)
- Heating degree days
- 277
- Cooling degree days
- 10
Vernal in June
Highs average 81°27° and lows 51°10°, with 0.59 in15 mm of precipitation in a typical June.
- Record high
- 106°41° (1919)
- Record low
- 24°−4° (1916)
- Heating degree days
- 68
- Cooling degree days
- 97
Vernal in July
Highs average 89°32° and lows 57°14°, with 0.54 in14 mm of precipitation in a typical July.
- Record high
- 104°40° (2002)
- Record low
- 25°−4° (1921)
- Heating degree days
- 4
- Cooling degree days
- 243
Vernal in August
Highs average 86°30° and lows 55°13°, with 0.81 in21 mm of precipitation in a typical August.
- Record high
- 102°39° (2000)
- Record low
- 32°0° (1932)
- Heating degree days
- 10
- Cooling degree days
- 182
Vernal in September
Highs average 76°25° and lows 46°8°, with 1.2 in31 mm of precipitation in a typical September.
- Record high
- 97°36° (1954)
- Record low
- 19°−7° (1965)
- Heating degree days
- 145
- Cooling degree days
- 31
Vernal in OctoberThis month
Highs average 61°16° and lows 35°2°, with 1.2 in29 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 90°32° (2024)
- Record low
- 2°−17° (2019)
- Heating degree days
- 527
- Cooling degree days
- 0
Vernal in November
Highs average 46°8° and lows 24°−5°, with 0.51 in13 mm of precipitation and 1.6 in4.1 cm of snow in a typical November.
- Record high
- 72°22° (1894)
- Record low
- −13°−25° (1931)
- Heating degree days
- 912
- Cooling degree days
- 0
Vernal in December
Highs average 31°0° and lows 13°−11°, with 0.61 in15 mm of precipitation and 6 in16 cm of snow in a typical December.
- Record high
- 65°18° (1995)
- Record low
- −32°−36° (1932)
- Heating degree days
- 1333
- Cooling degree days
- 0