Flaming Gorge weather by month
What a typical year looks like in Flaming Gorge, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Manila, 24 km from Flaming Gorge; records cover 1911–2026.
The year at a glance
- Precipitation a year
- 11.5 in291 mm
- Snow a year
- Rare
- Last spring freeze
- May 24
- First fall freeze
- Sep 23
- Heating degree days
- 7,592
- Cooling degree days
- 233
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 90°32° (cooling, 1%).
Month by month
Flaming Gorge in January
Highs average 36°2° and lows 12°−11°, with 0.51 in13 mm of precipitation in a typical January.
- Record high
- 66°19° (1912)
- Record low
- −33°−36° (1963)
- Heating degree days
- 1279
- Cooling degree days
- 0
Flaming Gorge in February
Highs average 39°4° and lows 15°−9°, with 0.55 in14 mm of precipitation in a typical February.
- Record high
- 67°19° (1986)
- Record low
- −33°−36° (1933)
- Heating degree days
- 1068
- Cooling degree days
- 0
Flaming Gorge in March
Highs average 49°10° and lows 24°−5°, with 0.55 in14 mm of precipitation in a typical March.
- Record high
- 83°28° (2026)
- Record low
- −20°−29° (1922)
- Heating degree days
- 888
- Cooling degree days
- 0
Flaming Gorge in April
Highs average 56°13° and lows 30°−1°, with 1 in26 mm of precipitation in a typical April.
- Record high
- 84°29° (1943)
- Record low
- −6°−21° (1918)
- Heating degree days
- 663
- Cooling degree days
- 0
Flaming Gorge in May
Highs average 65°19° and lows 39°4°, with 1.6 in40 mm of precipitation in a typical May.
- Record high
- 94°34° (1943)
- Record low
- 12°−11° (2006)
- Heating degree days
- 407
- Cooling degree days
- 3
Flaming Gorge in June
Highs average 76°24° and lows 46°8°, with 1.2 in30 mm of precipitation in a typical June.
- Record high
- 98°37° (1943)
- Record low
- 20°−7° (1915)
- Heating degree days
- 155
- Cooling degree days
- 29
Flaming Gorge in July
Highs average 83°28° and lows 54°12°, with 1.1 in27 mm of precipitation in a typical July.
- Record high
- 102°39° (1943)
- Record low
- 20°−7° (1913)
- Heating degree days
- 20
- Cooling degree days
- 118
Flaming Gorge in August
Highs average 81°27° and lows 51°11°, with 1.3 in34 mm of precipitation in a typical August.
- Record high
- 97°36° (1943)
- Record low
- 27°−3° (1938)
- Heating degree days
- 48
- Cooling degree days
- 76
Flaming Gorge in September
Highs average 72°22° and lows 43°6°, with 1 in26 mm of precipitation in a typical September.
- Record high
- 96°36° (1923)
- Record low
- 18°−8° (1965)
- Heating degree days
- 238
- Cooling degree days
- 7
Flaming Gorge in OctoberThis month
Highs average 60°15° and lows 32°0°, with 1.5 in39 mm of precipitation in a typical October.
- Record high
- 98°37° (1926)
- Record low
- −10°−23° (2019)
- Heating degree days
- 600
- Cooling degree days
- 0
Flaming Gorge in November
Highs average 45°7° and lows 21°−6°, with 0.53 in13 mm of precipitation in a typical November.
- Record high
- 76°24° (1921)
- Record low
- −20°−29° (1916)
- Heating degree days
- 951
- Cooling degree days
- 0
Flaming Gorge in December
Highs average 34°1° and lows 14°−10°, with 0.58 in15 mm of precipitation in a typical December.
- Record high
- 65°18° (1926)
- Record low
- −28°−33° (1913)
- Heating degree days
- 1275
- Cooling degree days
- 0