Fort Riley, KS Climate

Summary Graph

The summary climate graph for Fort Riley, KS shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Fort Riley, KS.


The warmest month in Marshall Army Air Field, Fort Riley, Kansas is July with an average high temperature of 91.9°F. The hottest day on record was September 3 1947 when the temperature hit 111.9°F. During January the overnight temperature drops to an average of 19.1°F with the lowest temperature of -23.6°F being recorded on January 4 1947.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

3 Sep 1947111.9°F
12 Jul 1966111.9°F
11 Jul 1995111.9°F
14 Jul 1980111°F
21 Jul 1974109.9°F

The warmest months on average were:

July 1980102.1°F
July 2012101.4°F
July 197499.4°F
July 201198.9°F
August 198398.4°F

The coldest days on record are:

4 Jan 1947-23.6°F
23 Dec 1989-22.9°F
1 Feb 1979-20.7°F
4 Jan 1959-20°F
8 Feb 1971-18°F

The coldest months on average were:

January 19404.4°F
January 19795.6°F
January 19778.1°F
December 19839.1°F
January 197810.4°F


The wettest month by average rainfall in Fort Riley, KS is June with an average of 2.9 inches of rain falling on 10 to 11 days.Although in May it typically rains on more days with 2.6 inches falling in 11 to 12 days. The driest month in Fort Riley, KS is January with an average of 0.4 inches of rain falling on 4 to 5 days.

Wettest Days

The wettest days on record are:

16 August 19905.2 inches
24 August 20123.7 inches
13 August 19873.2 inches
5 August 20112.4 inches
28 August 19892.3 inches

Wettest Months

The wettest months on record are:

April 201015.4 inches
July 199314.5 inches
May 199512 inches
March 200911.7 inches
June 201011.5 inches

Driest Months

The driest months on record are:

September 19380 inches
October 19380 inches
November 19380 inches
December 19380 inches
January 19390 inches