Decatur February Weather

Averages and records for weather in Decatur, Illinois in the month of February.
Typical Decatur February Weather
1991–2020
Average daily high 40.8 °F
Average daily low 23.6 °F
Average monthly precipitation 2.0 inches
Average monthly snow 2.8 inches
Daily chance of precipitation 28.7%
Daily chance of snow 7.3%
Decatur February Weather Records
1893–2024
Highest temperature 76 °F February 29, 1972
Lowest temperature -25 °F February 13, 1905
Highest daily low 58 °F February 15, 1954
Lowest daily high -4 °F February 12, 1899
Hottest average high temperature 50.8 °F 2017
Coldest average high temperature 28.0 °F 2014
Most daily precipitation 2.7 inches February 5, 2008
Most monthly precipitation 5.9 inches 1900
Most daily snow 11.0 inches February 28, 1900
Most monthly snow 18.0 inches 1914
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
February 1 36.8 20.2 58 -11
February 2 37.0 20.3 67 -15
February 3 37.3 20.6 64 -18
February 4 37.7 20.9 67 -16
February 5 38.1 21.2 66 -16
February 6 38.4 21.4 64 -12
February 7 38.7 21.6 68 -9
February 8 39.0 21.9 68 -21
February 9 39.3 22.3 69 -22
February 10 39.6 22.5 71 -20
February 11 39.8 22.7 68 -11
February 12 40.0 22.9 72 -21
February 13 40.2 23.1 70 -25
February 14 40.6 23.3 69 -12
February 15 41.0 23.6 72 -14
February 16 41.2 23.8 63 -6
February 17 41.3 23.9 66 -18
February 18 41.5 24.1 70 -13
February 19 41.8 24.3 66 -13
February 20 42.2 24.7 70 -5
February 21 42.6 24.9 68 -3
February 22 43.0 25.2 72 -6
February 23 43.5 25.5 73 -3
February 24 43.9 25.9 75 -3
February 25 44.3 26.1 72 -6
February 26 44.7 26.5 73 -10
February 27 45.2 27.0 74 -10
February 28 45.8 27.4 68 4
Weather Station Details
Years Station Coordinates
1893–2024 Decatur WTP location