Eldora weather by month
What a typical year looks like in Eldora, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GROSS RESERVOIR, 20 km from Eldora; records cover 1978–2026.
The year at a glance
- Precipitation a year
- 20.3 in515 mm
- Snow a year
- 99 in252 cm
- Last spring freeze
- May 17
- First fall freeze
- Sep 26
- Heating degree days
- 7,764
- Cooling degree days
- 91
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Eldora in January
Highs average 39°4° and lows 17°−8°, with 0.71 in18 mm of precipitation and 9 in24 cm of snow in a typical January.
- Record high
- 67°19° (2015)
- Record low
- −18°−28° (2024)
- Heating degree days
- 1144
- Cooling degree days
- 0
Eldora in February
Highs average 40°4° and lows 17°−8°, with 0.9 in23 mm of precipitation and 14 in36 cm of snow in a typical February.
- Record high
- 65°18° (2025)
- Record low
- −24°−31° (2011)
- Heating degree days
- 1030
- Cooling degree days
- 0
Eldora in March
Highs average 47°8° and lows 22°−5°, with 1.9 in49 mm of precipitation and 21 in53 cm of snow in a typical March.
- Record high
- 80°27° (2026)
- Record low
- −14°−26° (2002)
- Heating degree days
- 941
- Cooling degree days
- 0
Eldora in April
Highs average 52°11° and lows 27°−3°, with 2.7 in69 mm of precipitation and 20 in50 cm of snow in a typical April.
- Record high
- 78°26° (2012)
- Record low
- 0°−18° (2013)
- Heating degree days
- 760
- Cooling degree days
- 0
Eldora in May
Highs average 61°16° and lows 35°2°, with 2.9 in73 mm of precipitation and 4 in10 cm of snow in a typical May.
- Record high
- 89°32° (2000)
- Record low
- 11°−12° (2013)
- Heating degree days
- 524
- Cooling degree days
- 0
Eldora in June
Highs average 73°23° and lows 44°6°, with 1.9 in47 mm of precipitation and 0.1 in0.3 cm of snow in a typical June.
- Record high
- 94°34° (2012)
- Record low
- 28°−2° (2008)
- Heating degree days
- 219
- Cooling degree days
- 12
Eldora in July
Highs average 79°26° and lows 50°10°, with 2 in52 mm of precipitation in a typical July.
- Record high
- 95°35° (2024)
- Record low
- 35°2° (1978)
- Heating degree days
- 64
- Cooling degree days
- 47
Eldora in August
Highs average 77°25° and lows 48°9°, with 2.1 in54 mm of precipitation in a typical August.
- Record high
- 95°35° (2026)
- Record low
- 27°−3° (2009)
- Heating degree days
- 110
- Cooling degree days
- 28
Eldora in September
Highs average 70°21° and lows 41°5°, with 2 in51 mm of precipitation and 0.9 in2.3 cm of snow in a typical September.
- Record high
- 91°33° (2020)
- Record low
- 16°−9° (2009)
- Heating degree days
- 299
- Cooling degree days
- 4
Eldora in OctoberThis month
Highs average 57°14° and lows 31°0°, with 1.4 in34 mm of precipitation and 7 in18 cm of snow in a typical October.
- Record high
- 82°28° (2026)
- Record low
- −1°−18° (2019)
- Heating degree days
- 650
- Cooling degree days
- 0
Eldora in November
Highs average 47°8° and lows 24°−5°, with 0.96 in24 mm of precipitation and 12 in30 cm of snow in a typical November.
- Record high
- 71°22° (2025)
- Record low
- −14°−26° (2014)
- Heating degree days
- 892
- Cooling degree days
- 0
Eldora in December
Highs average 40°4° and lows 18°−8°, with 0.78 in20 mm of precipitation and 11 in28 cm of snow in a typical December.
- Record high
- 64°18° (2021)
- Record low
- −19°−28° (2022)
- Heating degree days
- 1131
- Cooling degree days
- 0
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