Number of tornadoes for each month of year (average and highest number)

[Pierre Ducray]

Number of tornadoes in the (Contiguous) US

1991-2020 average and (highest number [1950-2022])

WINTER (December ---> February)

December: 28.1 (232 in 2021)
January: 39.4. (214 in 1999)
February: 36.1 (147 in 2008)

SPRING (March ---> May)

March: 80.1 (236 in 2022)
April: 182.4 (758 in 2011)
May: 268.4 (550 in 2003)

SUMMER (June ---> August)

June: 212.6 (400 in 1992)
July: 118.8 (242 in 1993)
August: 81.0 (182 in 2020)

FALL ( September ---> November)

September: 65.6 (296 in 2004)
October: 58.7 (147 in 2021)
November: 54.1 (151 in 2005)

[National Centers for Environmental Information/Storm Prediction Center]