St. Charles, AR
Climate overview — based on NOAA 1991-2020 normals from SAINT CHARLES, AR US.
Year-round temperatures (°F)
Climate summary
St. Charles has an annual average temperature of 61.9°F with about 51.9 inches of precipitation per year and 1.2 inches of snow. The warmest month is July (average high 90.1°F), and the coldest is January (average low 32.5°F). April is typically the wettest month (5.86 in) and August the driest (2.76 in). Snow typically falls from January through March.
Best time to visit St. Charles
Full guide →Climate change signal
All-time records →26 of 366 (7.1%) of St. Charles'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.
| 1930s | 41 | |
| 1940s | 66 | |
| 1950s | 63 | |
| 1960s | 47 | |
| 1970s | 26 | |
| 1980s | 42 | |
| 1990s | 13 | |
| 2000s | 34 | |
| 2010s | 18 | |
| 2020s | 16 |
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 | 50.0°F | 32.5°F | 41.3°F | 4.36 in | 0.6 in | 7 |
| February | 54.7°F | 35.6°F | 45.1°F | 4.70 in | 0.2 in | 7 |
| March | 63.6°F | 43.5°F | 53.5°F | 5.73 in | 0.4 in | 7 |
| April | 72.4°F | 51.6°F | 62.0°F | 5.86 in | — | 7 |
| May | 80.0°F | 60.7°F | 70.3°F | 4.49 in | — | 7 |
| June | 87.0°F | 68.7°F | 77.8°F | 3.54 in | — | 5 |
| July | 90.1°F | 71.6°F | 80.8°F | 3.80 in | — | 6 |
| August | 89.7°F | 70.1°F | 79.9°F | 2.76 in | — | 5 |
| September | 84.9°F | 63.0°F | 74.0°F | 3.02 in | — | 4 |
| October | 74.6°F | 50.9°F | 62.8°F | 3.79 in | — | 5 |
| November | 62.4°F | 41.5°F | 51.9°F | 4.55 in | — | 6 |
| December | 52.7°F | 35.3°F | 44.0°F | 5.28 in | — | 6 |
Climate twins of St. Charles
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).