Ionia, MO
Climate overview — based on NOAA 1991-2020 normals from COLE CAMP 3NW, MO US.
Year-round temperatures (°F)
Climate summary
Ionia has an annual average temperature of 54.1°F with about 42.5 inches of precipitation per year and 18.4 inches of snow. The warmest month is July (average high 87.5°F), and the coldest is January (average low 19.0°F). June is typically the wettest month (5.30 in) and January the driest (1.78 in). Snow typically falls from November through May.
Best time to visit Ionia
Full guide →Climate change signal
All-time records →183 of 366 (50%) of Ionia'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 | 71 | |
| 2010s | 182 | |
| 2020s | 113 |
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 | 38.7°F | 19.0°F | 28.9°F | 1.78 in | 4.8 in | 7 |
| February | 43.8°F | 23.3°F | 33.5°F | 1.98 in | 6.2 in | 8 |
| March | 54.7°F | 32.5°F | 43.6°F | 3.15 in | 3.6 in | 11 |
| April | 65.0°F | 42.5°F | 53.8°F | 4.42 in | 0.1 in | 11 |
| May | 73.5°F | 53.6°F | 63.5°F | 5.06 in | 0.2 in | 13 |
| June | 82.5°F | 62.3°F | 72.4°F | 5.30 in | — | 10 |
| July | 87.5°F | 66.6°F | 77.1°F | 3.95 in | — | 7 |
| August | 86.5°F | 64.9°F | 75.7°F | 4.10 in | — | 9 |
| September | 78.7°F | 56.3°F | 67.5°F | 4.24 in | — | 8 |
| October | 67.3°F | 44.3°F | 55.8°F | 3.52 in | 0.1 in | 10 |
| November | 53.9°F | 33.1°F | 43.5°F | 2.92 in | 0.5 in | 7 |
| December | 43.0°F | 24.2°F | 33.6°F | 2.05 in | 2.9 in | 8 |
Climate twins of Ionia
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).