Castle Dale weather by month
What a typical year looks like in Castle Dale, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ferron, 18 km from Castle Dale; records cover 1897–2026.
The year at a glance
- Precipitation a year
- 8.6 in219 mm
- Snow a year
- 25 in62 cm
- Last spring freeze
- May 10
- First fall freeze
- Oct 6
- Heating degree days
- 6,309
- Cooling degree days
- 756
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 97°36° (cooling, 1%).
Month by month
Castle Dale in January
Highs average 37°3° and lows 14°−10°, with 0.65 in17 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 63°17° (2000)
- Record low
- −17°−27° (1963)
- Heating degree days
- 1226
- Cooling degree days
- 0
Castle Dale in February
Highs average 43°6° and lows 20°−6°, with 0.62 in16 mm of precipitation and 6 in15 cm of snow in a typical February.
- Record high
- 68°20° (1986)
- Record low
- −15°−26° (1949)
- Heating degree days
- 936
- Cooling degree days
- 0
Castle Dale in March
Highs average 54°12° and lows 29°−2°, with 0.6 in15 mm of precipitation and 2.5 in6.4 cm of snow in a typical March.
- Record high
- 86°30° (2026)
- Record low
- 1°−17° (1962)
- Heating degree days
- 740
- Cooling degree days
- 0
Castle Dale in April
Highs average 62°16° and lows 35°2°, with 0.46 in12 mm of precipitation and 1.4 in3.6 cm of snow in a typical April.
- Record high
- 86°30° (1898)
- Record low
- 12°−11° (2023)
- Heating degree days
- 502
- Cooling degree days
- 1
Castle Dale in May
Highs average 71°22° and lows 45°7°, with 0.85 in22 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 96°36° (1897)
- Record low
- 22°−6° (1990)
- Heating degree days
- 244
- Cooling degree days
- 24
Castle Dale in June
Highs average 83°28° and lows 54°12°, with 0.49 in12 mm of precipitation in a typical June.
- Record high
- 100°38° (1898)
- Record low
- 27°−3° (1990)
- Heating degree days
- 50
- Cooling degree days
- 148
Castle Dale in July
Highs average 89°32° and lows 60°16°, with 0.88 in22 mm of precipitation in a typical July.
- Record high
- 102°39° (1998)
- Record low
- 39°4° (1982)
- Heating degree days
- 4
- Cooling degree days
- 299
Castle Dale in August
Highs average 86°30° and lows 58°14°, with 0.85 in22 mm of precipitation in a typical August.
- Record high
- 104°40° (1898)
- Record low
- 35°2° (1968)
- Heating degree days
- 6
- Cooling degree days
- 222
Castle Dale in September
Highs average 78°25° and lows 49°10°, with 1.1 in29 mm of precipitation in a typical September.
- Record high
- 98°37° (2020)
- Record low
- 22°−6° (1985)
- Heating degree days
- 105
- Cooling degree days
- 60
Castle Dale in OctoberThis month
Highs average 65°18° and lows 37°3°, with 1 in26 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 88°31° (2003)
- Record low
- 6°−14° (2019)
- Heating degree days
- 450
- Cooling degree days
- 2
Castle Dale in November
Highs average 49°10° and lows 25°−4°, with 0.5 in13 mm of precipitation and 2.1 in5.3 cm of snow in a typical November.
- Record high
- 77°25° (1898)
- Record low
- −4°−20° (1976)
- Heating degree days
- 840
- Cooling degree days
- 0
Castle Dale in December
Highs average 37°3° and lows 15°−9°, with 0.56 in14 mm of precipitation and 5 in13 cm of snow in a typical December.
- Record high
- 72°22° (1898)
- Record low
- −21°−29° (1990)
- Heating degree days
- 1206
- Cooling degree days
- 0