Stonewall Gap weather by month
What a typical year looks like in Stonewall Gap, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Whiskey Ck, 9 km from Stonewall Gap, over its available record (1988–2026) — not an NCEI normal; records cover 1988–2026.
The year at a glance
- Precipitation a year
- 32.8 in833 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 17
- First fall freeze
- Sep 7
- Heating degree days
- —
- Cooling degree days
- —
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 77°25° (cooling, 1%).
Month by month
Stonewall Gap in January
Highs average 33°1° and lows 12°−11°, with 2.1 in53 mm of precipitation in a typical January.
- Record high
- 57°14° (1997)
- Record low
- −15°−26° (1989)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in February
Highs average 35°2° and lows 14°−10°, with 2.6 in66 mm of precipitation in a typical February.
- Record high
- 59°15° (1990)
- Record low
- −28°−33° (2011)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in March
Highs average 42°5° and lows 19°−7°, with 3.5 in89 mm of precipitation in a typical March.
- Record high
- 70°21° (2026)
- Record low
- −13°−25° (2002)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in April
Highs average 47°8° and lows 23°−5°, with 3.3 in84 mm of precipitation in a typical April.
- Record high
- 67°19° (1989)
- Record low
- −4°−20° (1999)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in May
Highs average 56°13° and lows 30°−1°, with 2.7 in69 mm of precipitation in a typical May.
- Record high
- 85°29° (2005)
- Record low
- 6°−14° (2011)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in June
Highs average 66°19° and lows 37°3°, with 1.7 in43 mm of precipitation in a typical June.
- Record high
- 84°29° (1990)
- Record low
- 24°−4° (1993)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in July
Highs average 69°20° and lows 42°5°, with 3.7 in94 mm of precipitation in a typical July.
- Record high
- 84°29° (1989)
- Record low
- 27°−3° (1994)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in August
Highs average 67°19° and lows 41°5°, with 4 in102 mm of precipitation in a typical August.
- Record high
- 81°27° (2002)
- Record low
- 26°−3° (2001)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in September
Highs average 62°17° and lows 36°2°, with 2.5 in64 mm of precipitation in a typical September.
- Record high
- 79°26° (1990)
- Record low
- 16°−9° (1995)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in OctoberThis month
Highs average 52°11° and lows 28°−2°, with 2.2 in56 mm of precipitation in a typical October.
- Record high
- 73°23° (1989)
- Record low
- −6°−21° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in November
Highs average 41°5° and lows 20°−7°, with 2.2 in56 mm of precipitation in a typical November.
- Record high
- 65°18° (1989)
- Record low
- −13°−25° (2001)
- Heating degree days
- —
- Cooling degree days
- —
Stonewall Gap in December
Highs average 33°1° and lows 14°−10°, with 2.3 in58 mm of precipitation in a typical December.
- Record high
- 59°15° (2021)
- Record low
- −24°−31° (1996)
- Heating degree days
- —
- Cooling degree days
- —
Vermejo Park station, 1904–1981: records and averages
This station is no longer reporting, but its 1904–1981 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 45°7°, low 14°−10°, 0.4 in10 mm precipitation.
Record high 70°21° (1971); record low −30°−34° (1918).
February
Average high 47°8°, low 15°−9°, 0.4 in10 mm precipitation.
Record high 73°23° (1972); record low −26°−32° (1910).
March
Average high 52°11°, low 20°−6°, 0.8 in20 mm precipitation.
Record high 74°23° (1908); record low −22°−30° (1917).
April
Average high 59°15°, low 27°−3°, 1.3 in33 mm precipitation.
Record high 82°28° (1910); record low −1°−18° (1909).
May
Average high 67°19°, low 34°1°, 1.4 in36 mm precipitation.
Record high 86°30° (1912); record low 13°−11° (1909).
June
Average high 78°25°, low 43°6°, 1.4 in36 mm precipitation.
Record high 95°35° (1916); record low 20°−7° (1916).
July
Average high 80°26°, low 48°9°, 3.9 in99 mm precipitation.
Record high 94°34° (1971); record low 33°1° (1920).
August
Average high 78°25°, low 47°8°, 3.4 in86 mm precipitation.
Record high 94°34° (1970); record low 35°2° (1914).
September
Average high 73°23°, low 40°4°, 1.4 in36 mm precipitation.
Record high 89°32° (1917); record low 18°−8° (1908).
October
Average high 64°18°, low 30°−1°, 0.9 in23 mm precipitation.
Record high 82°28° (1905); record low −4°−20° (1906).
November
Average high 54°12°, low 21°−6°, 0.6 in15 mm precipitation.
Record high 76°24° (1910); record low −22°−30° (1976).
December
Average high 46°8°, low 14°−10°, 0.5 in13 mm precipitation.
Record high 72°22° (1910); record low −24°−31° (1915).
UniColorado Heating & Cooling, a Denver HVAC installer
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.