MilBases
Weather & Climate at Fort Riley Army Base
Riley, KS
Summary of the weather and climate in Riley, KS:
- The average high is 67.1°F and the average low is 42.6°F.
- The hottest month is July with a high of 91.5°F.
- The coldest month is January with a low of 17.5°F.
- Annual rainfall is 35.62 inches; the rainiest month is June (5.7 in).
- Annual snowfall is 16.7 inches; the snowiest month is December (5.1 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (10°F – 100°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 40.7 | 17.5 | 0.63 | 4.7 | |
| February | 46.6 | 21.3 | 1.08 | 4.3 | |
| March | 57 | 30.3 | 2.49 | 1.5 | |
| April | 67.3 | 41.7 | 3.17 | 0.1 | |
| May | 76.7 | 53.6 | 5.09 | 0 | |
| June | 86.1 | 63 | 5.7 | 0 | |
| July | 91.5 | 68.3 | 4.42 | 0 | |
| August | 90.2 | 65.8 | 4.12 | 0 | |
| September | 81.8 | 55.8 | 3.43 | 0 | |
| October | 69.7 | 43.2 | 2.69 | 0 | |
| November | 55.4 | 30.8 | 1.73 | 1 | |
| December | 42.5 | 20 | 1.07 | 5.1 |