Dolores weather by month
What a typical year looks like in Dolores, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MANCOS 1SW, 22 km from Dolores; records cover 1898–2026.
The year at a glance
- Precipitation a year
- 15.7 in398 mm
- Snow a year
- 57 in145 cm
- Last spring freeze
- Jun 5
- First fall freeze
- Sep 22
- Heating degree days
- 6,978
- Cooling degree days
- 189
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Dolores in January
Highs average 40°4° and lows 12°−11°, with 1.4 in35 mm of precipitation and 15 in37 cm of snow in a typical January.
- Record high
- 64°18° (2015)
- Record low
- −24°−31° (1913)
- Heating degree days
- 1203
- Cooling degree days
- 0
Dolores in February
Highs average 44°7° and lows 17°−8°, with 1.3 in32 mm of precipitation and 13 in33 cm of snow in a typical February.
- Record high
- 67°19° (1995)
- Record low
- −26°−32° (1899)
- Heating degree days
- 970
- Cooling degree days
- 0
Dolores in March
Highs average 53°12° and lows 23°−5°, with 1.1 in29 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 83°28° (2026)
- Record low
- −7°−22° (1913)
- Heating degree days
- 843
- Cooling degree days
- 0
Dolores in April
Highs average 61°16° and lows 28°−2°, with 1 in26 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 82°28° (1992)
- Record low
- 1°−17° (2023)
- Heating degree days
- 621
- Cooling degree days
- 0
Dolores in May
Highs average 70°21° and lows 35°2°, with 1 in26 mm of precipitation and 0.9 in2.3 cm of snow in a typical May.
- Record high
- 92°33° (2002)
- Record low
- 11°−12° (1899)
- Heating degree days
- 392
- Cooling degree days
- 1
Dolores in June
Highs average 81°27° and lows 43°6°, with 0.58 in15 mm of precipitation in a typical June.
- Record high
- 96°36° (2013)
- Record low
- 21°−6° (1915)
- Heating degree days
- 122
- Cooling degree days
- 26
Dolores in July
Highs average 85°29° and lows 51°10°, with 1.6 in42 mm of precipitation in a typical July.
- Record high
- 96°36° (1919)
- Record low
- 30°−1° (1903)
- Heating degree days
- 13
- Cooling degree days
- 98
Dolores in August
Highs average 82°28° and lows 49°10°, with 1.8 in45 mm of precipitation in a typical August.
- Record high
- 96°36° (2026)
- Record low
- 30°−1° (1899)
- Heating degree days
- 33
- Cooling degree days
- 59
Dolores in September
Highs average 75°24° and lows 42°5°, with 1.9 in48 mm of precipitation in a typical September.
- Record high
- 93°34° (2019)
- Record low
- 16°−9° (1908)
- Heating degree days
- 205
- Cooling degree days
- 5
Dolores in OctoberThis month
Highs average 64°18° and lows 31°−1°, with 1.4 in36 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 84°29° (2024)
- Record low
- 1°−17° (2019)
- Heating degree days
- 544
- Cooling degree days
- 0
Dolores in November
Highs average 51°11° and lows 22°−6°, with 1.2 in31 mm of precipitation and 5 in13 cm of snow in a typical November.
- Record high
- 72°22° (1915)
- Record low
- −9°−23° (2006)
- Heating degree days
- 862
- Cooling degree days
- 0
Dolores in December
Highs average 41°5° and lows 14°−10°, with 1.3 in32 mm of precipitation and 13 in33 cm of snow in a typical December.
- Record high
- 64°18° (2025)
- Record low
- −21°−29° (1990)
- Heating degree days
- 1170
- Cooling degree days
- 0
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