Edgerton weather by month
What a typical year looks like in Edgerton, Wyoming: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Midwest, 2 km from Edgerton; records cover 1939–2025.
The year at a glance
- Precipitation a year
- 12.4 in315 mm
- Snow a year
- 46 in117 cm
- Last spring freeze
- May 14
- First fall freeze
- Sep 23
- Heating degree days
- 7,664
- Cooling degree days
- 406
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Edgerton in January
Highs average 36°2° and lows 12°−11°, with 0.32 in8.1 mm of precipitation and 5 in13 cm of snow in a typical January.
- Record high
- 64°18° (1981)
- Record low
- −39° (1949)
- Heating degree days
- 1283
- Cooling degree days
- 0
Edgerton in February
Highs average 38°3° and lows 13°−10°, with 0.53 in13 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 70°21° (1982)
- Record low
- −31°−35° (1942)
- Heating degree days
- 1109
- Cooling degree days
- 0
Edgerton in March
Highs average 49°9° and lows 21°−6°, with 0.96 in24 mm of precipitation and 8 in20 cm of snow in a typical March.
- Record high
- 78°26° (1978)
- Record low
- −20°−29° (1943)
- Heating degree days
- 926
- Cooling degree days
- 0
Edgerton in April
Highs average 56°14° and lows 28°−2°, with 1.4 in35 mm of precipitation and 6 in14 cm of snow in a typical April.
- Record high
- 89°32° (1946)
- Record low
- −4°−20° (1975)
- Heating degree days
- 689
- Cooling degree days
- 0
Edgerton in May
Highs average 66°19° and lows 38°3°, with 2.5 in64 mm of precipitation and 0.7 in1.8 cm of snow in a typical May.
- Record high
- 94°34° (1969)
- Record low
- 15°−9° (1953)
- Heating degree days
- 411
- Cooling degree days
- 5
Edgerton in June
Highs average 79°26° and lows 46°8°, with 1.6 in40 mm of precipitation in a typical June.
- Record high
- 104°40° (2012)
- Record low
- 26°−3° (1951)
- Heating degree days
- 132
- Cooling degree days
- 48
Edgerton in July
Highs average 88°31° and lows 53°11°, with 1.1 in27 mm of precipitation in a typical July.
- Record high
- 106°41° (1973)
- Record low
- 33°1° (1972)
- Heating degree days
- 21
- Cooling degree days
- 186
Edgerton in August
Highs average 86°30° and lows 50°10°, with 0.66 in17 mm of precipitation in a typical August.
- Record high
- 106°41° (1979)
- Record low
- 30°−1° (1978)
- Heating degree days
- 39
- Cooling degree days
- 141
Edgerton in September
Highs average 76°24° and lows 41°5°, with 0.88 in22 mm of precipitation and 0.3 in0.8 cm of snow in a typical September.
- Record high
- 100°38° (1950)
- Record low
- 14°−10° (1945)
- Heating degree days
- 218
- Cooling degree days
- 25
Edgerton in OctoberThis month
Highs average 61°16° and lows 30°−1°, with 1.3 in33 mm of precipitation and 4 in10 cm of snow in a typical October.
- Record high
- 89°32° (1956)
- Record low
- −8°−22° (2020)
- Heating degree days
- 604
- Cooling degree days
- 1
Edgerton in November
Highs average 46°8° and lows 20°−6°, with 0.57 in14 mm of precipitation and 7 in17 cm of snow in a typical November.
- Record high
- 76°24° (1947)
- Record low
- −29°−34° (1985)
- Heating degree days
- 952
- Cooling degree days
- 0
Edgerton in December
Highs average 35°2° and lows 12°−11°, with 0.61 in15 mm of precipitation and 8 in19 cm of snow in a typical December.
- Record high
- 66°19° (2017)
- Record low
- −42°−41° (2022)
- Heating degree days
- 1280
- Cooling degree days
- 0