Kirwin weather by month
What a typical year looks like in Kirwin, Kansas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Kirwin Dam, 1 km from Kirwin; records cover 1952–2026.
The year at a glance
- Precipitation a year
- 25.7 in652 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 9
- Heating degree days
- 5,906
- Cooling degree days
- 1,225
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
Kirwin in January
Highs average 40°4° and lows 13°−11°, with 0.53 in13 mm of precipitation in a typical January.
- Record high
- 76°24° (1981)
- Record low
- −30°−34° (1974)
- Heating degree days
- 1200
- Cooling degree days
- 0
Kirwin in February
Highs average 45°7° and lows 16°−9°, with 0.76 in19 mm of precipitation in a typical February.
- Record high
- 86°30° (1982)
- Record low
- −27°−33° (2021)
- Heating degree days
- 978
- Cooling degree days
- 0
Kirwin in March
Highs average 56°14° and lows 25°−4°, with 1.4 in36 mm of precipitation in a typical March.
- Record high
- 97°36° (2026)
- Record low
- −15°−26° (1960)
- Heating degree days
- 757
- Cooling degree days
- 0
Kirwin in April
Highs average 66°19° and lows 35°2°, with 2.2 in57 mm of precipitation in a typical April.
- Record high
- 102°39° (1989)
- Record low
- 9°−13° (2018)
- Heating degree days
- 433
- Cooling degree days
- 6
Kirwin in May
Highs average 75°24° and lows 48°9°, with 4.2 in106 mm of precipitation in a typical May.
- Record high
- 102°39° (2012)
- Record low
- 25°−4° (1953)
- Heating degree days
- 172
- Cooling degree days
- 63
Kirwin in June
Highs average 87°31° and lows 60°15°, with 3.3 in84 mm of precipitation in a typical June.
- Record high
- 116°47° (2012)
- Record low
- 38°3° (1964)
- Heating degree days
- 16
- Cooling degree days
- 269
Kirwin in July
Highs average 92°33° and lows 65°18°, with 4 in101 mm of precipitation in a typical July.
- Record high
- 113°45° (1966)
- Record low
- 41°5° (1971)
- Heating degree days
- 1
- Cooling degree days
- 415
Kirwin in August
Highs average 90°32° and lows 61°16°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 110°43° (1970)
- Record low
- 38°3° (1988)
- Heating degree days
- 4
- Cooling degree days
- 328
Kirwin in September
Highs average 82°28° and lows 52°11°, with 2.2 in55 mm of precipitation in a typical September.
- Record high
- 109°43° (2011)
- Record low
- 15°−9° (1984)
- Heating degree days
- 79
- Cooling degree days
- 133
Kirwin in OctoberThis month
Highs average 69°20° and lows 37°3°, with 1.9 in48 mm of precipitation in a typical October.
- Record high
- 96°36° (1952)
- Record low
- 3°−16° (1997)
- Heating degree days
- 386
- Cooling degree days
- 11
Kirwin in November
Highs average 54°12° and lows 25°−4°, with 1.1 in27 mm of precipitation in a typical November.
- Record high
- 88°31° (2016)
- Record low
- −10°−23° (1986)
- Heating degree days
- 767
- Cooling degree days
- 0
Kirwin in December
Highs average 42°6° and lows 16°−9°, with 0.85 in22 mm of precipitation in a typical December.
- Record high
- 81°27° (2021)
- Record low
- −26°−32° (1961)
- Heating degree days
- 1113
- Cooling degree days
- 0