Grain Valley, MO
Climate overview — based on NOAA 1991-2020 normals from LEES SUMMIT MUNI AP, MO US.
Year-round temperatures (°F)
Climate summary
Grain Valley has an annual average temperature of 55.7°F with about 38.3 inches of precipitation per year. The warmest month is July (average high 88.3°F), and the coldest is January (average low 22.1°F). May is typically the wettest month (5.70 in) and January the driest (0.96 in).
Best time to visit Grain Valley
Full guide →Climate change signal
All-time records →178 of 366 (48.6%) of Grain Valley's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 2000s | 85 | |
| 2010s | 180 | |
| 2020s | 101 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 39.0°F | 22.1°F | 30.6°F | 0.96 in | — | 5 |
| February | 44.3°F | 25.9°F | 35.1°F | 1.43 in | — | 6 |
| March | 55.4°F | 35.4°F | 45.4°F | 2.14 in | — | 8 |
| April | 65.5°F | 45.5°F | 55.5°F | 4.19 in | — | 11 |
| May | 74.8°F | 55.9°F | 65.3°F | 5.70 in | — | 13 |
| June | 84.0°F | 65.4°F | 74.7°F | 4.95 in | — | 11 |
| July | 88.3°F | 69.7°F | 79.0°F | 4.57 in | — | 9 |
| August | 86.9°F | 67.6°F | 77.3°F | 4.54 in | — | 10 |
| September | 79.0°F | 59.0°F | 69.0°F | 3.07 in | — | 9 |
| October | 67.1°F | 47.2°F | 57.2°F | 3.39 in | — | 10 |
| November | 54.0°F | 36.2°F | 45.1°F | 2.05 in | — | 6 |
| December | 43.2°F | 26.3°F | 34.7°F | 1.35 in | — | 6 |
Climate twins of Grain Valley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).