Tall Timber weather by month
What a typical year looks like in Tall Timber, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BOULDER, 8 km from Tall Timber; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 21.2 in539 mm
- Snow a year
- 93 in236 cm
- Last spring freeze
- May 5
- First fall freeze
- Oct 5
- Heating degree days
- 5,511
- Cooling degree days
- 625
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Tall Timber in January
Highs average 47°8° and lows 22°−6°, with 0.83 in21 mm of precipitation and 11 in29 cm of snow in a typical January.
- Record high
- 73°23° (2005)
- Record low
- −33°−36° (1930)
- Heating degree days
- 953
- Cooling degree days
- 0
Tall Timber in February
Highs average 48°9° and lows 22°−5°, with 0.99 in25 mm of precipitation and 15 in38 cm of snow in a typical February.
- Record high
- 79°26° (1954)
- Record low
- −28°−33° (1936)
- Heating degree days
- 832
- Cooling degree days
- 0
Tall Timber in March
Highs average 57°14° and lows 29°−2°, with 2 in51 mm of precipitation and 16 in40 cm of snow in a typical March.
- Record high
- 89°32° (2026)
- Record low
- −13°−25° (1932)
- Heating degree days
- 682
- Cooling degree days
- 0
Tall Timber in April
Highs average 63°17° and lows 35°1°, with 3.1 in77 mm of precipitation and 15 in37 cm of snow in a typical April.
- Record high
- 88°31° (1989)
- Record low
- −3°−19° (1975)
- Heating degree days
- 491
- Cooling degree days
- 1
Tall Timber in May
Highs average 71°22° and lows 43°6°, with 3.2 in82 mm of precipitation and 2 in5.1 cm of snow in a typical May.
- Record high
- 95°35° (2000)
- Record low
- 17°−8° (2013)
- Heating degree days
- 265
- Cooling degree days
- 17
Tall Timber in June
Highs average 83°28° and lows 51°11°, with 2 in50 mm of precipitation in a typical June.
- Record high
- 104°40° (1954)
- Record low
- 20°−7° (1935)
- Heating degree days
- 56
- Cooling degree days
- 110
Tall Timber in July
Highs average 88°31° and lows 57°14°, with 1.8 in46 mm of precipitation in a typical July.
- Record high
- 104°40° (1954)
- Record low
- 40°4° (1903)
- Heating degree days
- 6
- Cooling degree days
- 238
Tall Timber in August
Highs average 86°30° and lows 56°13°, with 1.7 in43 mm of precipitation in a typical August.
- Record high
- 104°40° (2026)
- Record low
- 40°4° (1912)
- Heating degree days
- 12
- Cooling degree days
- 190
Tall Timber in September
Highs average 79°26° and lows 48°9°, with 2.1 in53 mm of precipitation and 1 in2.5 cm of snow in a typical September.
- Record high
- 100°38° (1983)
- Record low
- 15°−9° (1985)
- Heating degree days
- 112
- Cooling degree days
- 65
Tall Timber in OctoberThis month
Highs average 66°19° and lows 37°3°, with 1.6 in41 mm of precipitation and 7 in18 cm of snow in a typical October.
- Record high
- 90°32° (1947)
- Record low
- −2°−19° (1917)
- Heating degree days
- 421
- Cooling degree days
- 4
Tall Timber in November
Highs average 55°13° and lows 28°−2°, with 1.2 in30 mm of precipitation and 13 in33 cm of snow in a typical November.
- Record high
- 81°27° (2025)
- Record low
- −12°−24° (1919)
- Heating degree days
- 711
- Cooling degree days
- 0
Tall Timber in December
Highs average 46°8° and lows 21°−6°, with 0.81 in21 mm of precipitation and 13 in33 cm of snow in a typical December.
- Record high
- 76°24° (1980)
- Record low
- −24°−31° (1990)
- Heating degree days
- 970
- Cooling degree days
- 0
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