Garden City weather by month
What a typical year looks like in Garden City, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GREELEY UNC, 1 km from Garden City; records cover 1967–2026.
The year at a glance
- Precipitation a year
- 14.7 in372 mm
- Snow a year
- 35 in89 cm
- Last spring freeze
- May 3
- First fall freeze
- Oct 6
- Heating degree days
- 5,579
- Cooling degree days
- 896
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −2°−19° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Garden City in January
Highs average 44°7° and lows 18°−8°, with 0.45 in11 mm of precipitation and 6 in14 cm of snow in a typical January.
- Record high
- 74°23° (1982)
- Record low
- −25°−32° (1984)
- Heating degree days
- 1060
- Cooling degree days
- 0
Garden City in February
Highs average 48°9° and lows 20°−7°, with 0.45 in11 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 78°26° (2020)
- Record low
- −20°−29° (1989)
- Heating degree days
- 872
- Cooling degree days
- 0
Garden City in March
Highs average 59°15° and lows 28°−2°, with 0.91 in23 mm of precipitation and 5 in13 cm of snow in a typical March.
- Record high
- 94°34° (2026)
- Record low
- −10°−23° (2019)
- Heating degree days
- 664
- Cooling degree days
- 0
Garden City in April
Highs average 66°19° and lows 35°2°, with 1.8 in46 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 92°33° (2006)
- Record low
- −3°−19° (1975)
- Heating degree days
- 432
- Cooling degree days
- 2
Garden City in May
Highs average 75°24° and lows 45°7°, with 2.7 in67 mm of precipitation and 0.5 in1.3 cm of snow in a typical May.
- Record high
- 101°38° (2003)
- Record low
- 21°−6° (2013)
- Heating degree days
- 202
- Cooling degree days
- 35
Garden City in June
Highs average 86°30° and lows 54°12°, with 1.8 in45 mm of precipitation in a typical June.
- Record high
- 110°43° (2006)
- Record low
- 34°1° (2007)
- Heating degree days
- 31
- Cooling degree days
- 172
Garden City in July
Highs average 92°33° and lows 59°15°, with 1.6 in41 mm of precipitation in a typical July.
- Record high
- 112°44° (2006)
- Record low
- 42°6° (1971)
- Heating degree days
- 2
- Cooling degree days
- 328
Garden City in August
Highs average 89°32° and lows 57°14°, with 1.6 in40 mm of precipitation in a typical August.
- Record high
- 109°43° (2026)
- Record low
- 41°5° (1968)
- Heating degree days
- 6
- Cooling degree days
- 262
Garden City in September
Highs average 82°28° and lows 49°9°, with 1.1 in29 mm of precipitation and 0.5 in1.3 cm of snow in a typical September.
- Record high
- 105°41° (2020)
- Record low
- 17°−8° (1985)
- Heating degree days
- 84
- Cooling degree days
- 93
Garden City in OctoberThis month
Highs average 68°20° and lows 37°3°, with 1.1 in27 mm of precipitation and 3 in8 cm of snow in a typical October.
- Record high
- 93°34° (2024)
- Record low
- −2°−19° (2020)
- Heating degree days
- 401
- Cooling degree days
- 4
Garden City in November
Highs average 54°12° and lows 26°−3°, with 0.67 in17 mm of precipitation and 5 in14 cm of snow in a typical November.
- Record high
- 84°29° (2007)
- Record low
- −7°−22° (1972)
- Heating degree days
- 759
- Cooling degree days
- 0
Garden City in December
Highs average 43°6° and lows 18°−8°, with 0.55 in14 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 76°24° (2007)
- Record low
- −24°−31° (1989)
- Heating degree days
- 1066
- Cooling degree days
- 0
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