Dinosaur weather by month
What a typical year looks like in Dinosaur, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Dinosaur 2 E, 3 km from Dinosaur; records cover 2004–2026.
The year at a glance
- Precipitation a year
- 11.1 in283 mm
- Snow a year
- Rare
- Last spring freeze
- May 2
- First fall freeze
- Oct 6
- Heating degree days
- 6,728
- Cooling degree days
- 858
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Dinosaur in January
Highs average 31°−1° and lows 14°−10°, with 0.77 in20 mm of precipitation in a typical January.
- Record high
- 52°11° (2018)
- Record low
- −14°−26° (2013)
- Heating degree days
- 1322
- Cooling degree days
- 0
Dinosaur in February
Highs average 37°3° and lows 20°−6°, with 0.78 in20 mm of precipitation in a typical February.
- Record high
- 61°16° (2015)
- Record low
- −16°−27° (2011)
- Heating degree days
- 1015
- Cooling degree days
- 0
Dinosaur in March
Highs average 50°10° and lows 29°−2°, with 0.88 in22 mm of precipitation in a typical March.
- Record high
- 85°29° (2026)
- Record low
- 5°−15° (2022)
- Heating degree days
- 795
- Cooling degree days
- 0
Dinosaur in April
Highs average 60°16° and lows 35°2°, with 1.1 in27 mm of precipitation in a typical April.
- Record high
- 86°30° (2012)
- Record low
- 14°−10° (2008)
- Heating degree days
- 526
- Cooling degree days
- 1
Dinosaur in May
Highs average 71°21° and lows 44°7°, with 1.2 in29 mm of precipitation in a typical May.
- Record high
- 92°33° (2020)
- Record low
- 23°−5° (2011)
- Heating degree days
- 263
- Cooling degree days
- 24
Dinosaur in June
Highs average 83°28° and lows 54°12°, with 0.79 in20 mm of precipitation in a typical June.
- Record high
- 101°38° (2018)
- Record low
- 35°2° (2020)
- Heating degree days
- 59
- Cooling degree days
- 156
Dinosaur in July
Highs average 91°33° and lows 61°16°, with 0.68 in17 mm of precipitation in a typical July.
- Record high
- 104°40° (2026)
- Record low
- 46°8° (2010)
- Heating degree days
- 1
- Cooling degree days
- 339
Dinosaur in August
Highs average 88°31° and lows 59°15°, with 0.88 in22 mm of precipitation in a typical August.
- Record high
- 101°38° (2020)
- Record low
- 43°6° (2009)
- Heating degree days
- 8
- Cooling degree days
- 262
Dinosaur in September
Highs average 77°25° and lows 50°10°, with 1.3 in33 mm of precipitation in a typical September.
- Record high
- 99°37° (2022)
- Record low
- 30°−1° (2020)
- Heating degree days
- 116
- Cooling degree days
- 74
Dinosaur in OctoberThis month
Highs average 61°16° and lows 39°4°, with 1.3 in33 mm of precipitation in a typical October.
- Record high
- 86°30° (2024)
- Record low
- −1°−18° (2019)
- Heating degree days
- 473
- Cooling degree days
- 2
Dinosaur in November
Highs average 45°7° and lows 27°−3°, with 0.78 in20 mm of precipitation in a typical November.
- Record high
- 69°21° (2008)
- Record low
- −2°−19° (2006)
- Heating degree days
- 878
- Cooling degree days
- 0
Dinosaur in December
Highs average 32°0° and lows 16°−9°, with 0.79 in20 mm of precipitation in a typical December.
- Record high
- 61°16° (2025)
- Record low
- −13°−25° (2014)
- Heating degree days
- 1272
- Cooling degree days
- 0
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