Gleneagle weather by month
What a typical year looks like in Gleneagle, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Eastonville 2 Nnw, 21 km from Gleneagle; records cover 2004–2026.
The year at a glance
- Precipitation a year
- 21.6 in549 mm
- Snow a year
- 102 in258 cm
- Last spring freeze
- May 30
- First fall freeze
- Sep 18
- Heating degree days
- 7,770
- Cooling degree days
- 88
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Gleneagle in January
Highs average 41°5° and lows 9°−13°, with 0.63 in16 mm of precipitation and 12 in29 cm of snow in a typical January.
- Record high
- 66°19° (2015)
- Record low
- −28°−33° (2024)
- Heating degree days
- 1229
- Cooling degree days
- 0
Gleneagle in February
Highs average 42°6° and lows 13°−11°, with 0.64 in16 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 70°21° (2017)
- Record low
- −26°−32° (2011)
- Heating degree days
- 1050
- Cooling degree days
- 0
Gleneagle in March
Highs average 50°10° and lows 21°−6°, with 1.5 in38 mm of precipitation and 19 in48 cm of snow in a typical March.
- Record high
- 80°27° (2026)
- Record low
- −11°−24° (2022)
- Heating degree days
- 918
- Cooling degree days
- 0
Gleneagle in April
Highs average 56°14° and lows 27°−3°, with 2.4 in61 mm of precipitation and 22 in56 cm of snow in a typical April.
- Record high
- 81°27° (2020)
- Record low
- −11°−24° (2020)
- Heating degree days
- 696
- Cooling degree days
- 0
Gleneagle in May
Highs average 66°19° and lows 35°2°, with 2.7 in69 mm of precipitation and 7 in17 cm of snow in a typical May.
- Record high
- 87°31° (2022)
- Record low
- 10°−12° (2016)
- Heating degree days
- 449
- Cooling degree days
- 1
Gleneagle in June
Highs average 76°24° and lows 44°6°, with 2.3 in57 mm of precipitation and 0.7 in1.8 cm of snow in a typical June.
- Record high
- 94°34° (2018)
- Record low
- 28°−2° (2020)
- Heating degree days
- 170
- Cooling degree days
- 14
Gleneagle in July
Highs average 81°27° and lows 49°10°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 95°35° (2021)
- Record low
- 35°2° (2020)
- Heating degree days
- 40
- Cooling degree days
- 41
Gleneagle in August
Highs average 79°26° and lows 48°9°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 94°34° (2025)
- Record low
- 33°1° (2020)
- Heating degree days
- 76
- Cooling degree days
- 29
Gleneagle in September
Highs average 72°22° and lows 39°4°, with 1.4 in36 mm of precipitation and 1.4 in3.6 cm of snow in a typical September.
- Record high
- 94°34° (2019)
- Record low
- 23°−5° (2020)
- Heating degree days
- 285
- Cooling degree days
- 3
Gleneagle in OctoberThis month
Highs average 60°16° and lows 27°−3°, with 1.2 in31 mm of precipitation and 8 in21 cm of snow in a typical October.
- Record high
- 82°28° (2024)
- Record low
- −10°−23° (2019)
- Heating degree days
- 657
- Cooling degree days
- 0
Gleneagle in November
Highs average 50°10° and lows 17°−8°, with 0.85 in22 mm of precipitation and 11 in28 cm of snow in a typical November.
- Record high
- 77°25° (2025)
- Record low
- −20°−29° (2014)
- Heating degree days
- 946
- Cooling degree days
- 0
Gleneagle in December
Highs average 40°4° and lows 9°−13°, with 0.61 in15 mm of precipitation and 11 in29 cm of snow in a typical December.
- Record high
- 68°20° (2021)
- Record low
- −27°−33° (2022)
- Heating degree days
- 1254
- Cooling degree days
- 0
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