Prairie Grove, IL
Climate overview — based on NOAA 1991-2020 normals from MC HENRY -WG STRATTON L&D, IL US.
Year-round temperatures (°F)
Climate summary
Prairie Grove has an annual average temperature of 48.6°F with about 37 inches of precipitation per year and 34.5 inches of snow. The warmest month is July (average high 84.2°F), and the coldest is January (average low 12.9°F). June is typically the wettest month (4.81 in) and February the driest (1.56 in). Snow typically falls from November through April.
Best time to visit Prairie Grove
Full guide →Climate change signal
All-time records →167 of 366 (45.6%) of Prairie Grove'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.
| 1940s | 0 | |
| 1950s | 0 | |
| 1970s | 0 | |
| 1980s | 0 | |
| 1990s | 70 | |
| 2000s | 79 | |
| 2010s | 112 | |
| 2020s | 105 |
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 | 30.6°F | 12.9°F | 21.7°F | 1.65 in | 11.0 in | 10 |
| February | 34.6°F | 16.2°F | 25.4°F | 1.56 in | 8.9 in | 8 |
| March | 46.0°F | 25.9°F | 35.9°F | 2.21 in | 3.9 in | 9 |
| April | 58.8°F | 36.6°F | 47.7°F | 3.63 in | 1.0 in | 11 |
| May | 70.4°F | 47.2°F | 58.8°F | 4.47 in | — | 13 |
| June | 80.2°F | 57.0°F | 68.6°F | 4.81 in | — | 12 |
| July | 84.2°F | 61.5°F | 72.8°F | 3.80 in | — | 10 |
| August | 82.3°F | 59.7°F | 71.0°F | 3.70 in | — | 10 |
| September | 75.7°F | 51.4°F | 63.6°F | 3.61 in | — | 9 |
| October | 63.0°F | 39.6°F | 51.3°F | 3.21 in | 0.1 in | 10 |
| November | 48.1°F | 29.4°F | 38.7°F | 2.38 in | 1.4 in | 8 |
| December | 35.9°F | 19.3°F | 27.6°F | 1.94 in | 8.2 in | 9 |
Climate twins of Prairie Grove
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).