Walsh weather by month
What a typical year looks like in Walsh, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at WALSH 1 W, 2 km from Walsh; records cover 1967–2026.
The year at a glance
- Precipitation a year
- 19.5 in496 mm
- Snow a year
- 23 in58 cm
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 11
- Heating degree days
- 5,113
- Cooling degree days
- 1,215
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Walsh in January
Highs average 46°8° and lows 19°−7°, with 0.46 in12 mm of precipitation and 5 in11 cm of snow in a typical January.
- Record high
- 80°27° (2006)
- Record low
- −25°−32° (1984)
- Heating degree days
- 1006
- Cooling degree days
- 0
Walsh in February
Highs average 50°10° and lows 21°−6°, with 0.4 in10 mm of precipitation and 3 in9 cm of snow in a typical February.
- Record high
- 85°29° (2016)
- Record low
- −24°−31° (2021)
- Heating degree days
- 819
- Cooling degree days
- 0
Walsh in March
Highs average 60°15° and lows 29°−2°, with 1.1 in27 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 97°36° (2026)
- Record low
- −6°−21° (1978)
- Heating degree days
- 650
- Cooling degree days
- 0
Walsh in April
Highs average 68°20° and lows 37°3°, with 1.7 in42 mm of precipitation and 1.8 in4.6 cm of snow in a typical April.
- Record high
- 96°36° (1989)
- Record low
- 8°−13° (1975)
- Heating degree days
- 392
- Cooling degree days
- 7
Walsh in May
Highs average 78°25° and lows 47°8°, with 2.1 in54 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 102°39° (1996)
- Record low
- 24°−4° (2013)
- Heating degree days
- 151
- Cooling degree days
- 68
Walsh in June
Highs average 88°31° and lows 58°14°, with 2.6 in66 mm of precipitation in a typical June.
- Record high
- 108°42° (1980)
- Record low
- 38°3° (1975)
- Heating degree days
- 16
- Cooling degree days
- 256
Walsh in July
Highs average 93°34° and lows 63°17°, with 3.6 in91 mm of precipitation in a typical July.
- Record high
- 110°43° (2026)
- Record low
- 45°7° (1994)
- Heating degree days
- 2
- Cooling degree days
- 396
Walsh in August
Highs average 90°32° and lows 61°16°, with 3.3 in83 mm of precipitation in a typical August.
- Record high
- 106°41° (2002)
- Record low
- 41°5° (1988)
- Heating degree days
- 4
- Cooling degree days
- 325
Walsh in September
Highs average 83°28° and lows 53°12°, with 1.4 in36 mm of precipitation in a typical September.
- Record high
- 105°41° (2021)
- Record low
- 20°−7° (1985)
- Heating degree days
- 66
- Cooling degree days
- 147
Walsh in OctoberThis month
Highs average 70°21° and lows 39°4°, with 1.6 in42 mm of precipitation and 1 in2.5 cm of snow in a typical October.
- Record high
- 98°37° (2016)
- Record low
- 7°−14° (2019)
- Heating degree days
- 340
- Cooling degree days
- 16
Walsh in November
Highs average 57°14° and lows 28°−2°, with 0.58 in15 mm of precipitation and 2.6 in6.6 cm of snow in a typical November.
- Record high
- 88°31° (1980)
- Record low
- −9°−23° (1976)
- Heating degree days
- 680
- Cooling degree days
- 0
Walsh in December
Highs average 47°8° and lows 20°−7°, with 0.76 in19 mm of precipitation and 5 in13 cm of snow in a typical December.
- Record high
- 80°27° (2025)
- Record low
- −20°−29° (1989)
- Heating degree days
- 987
- Cooling degree days
- 0
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