La Fayette, IL
Climate overview — based on NOAA 1991-2020 normals from GALVA, IL US.
Year-round temperatures (°F)
Climate summary
La Fayette has an annual average temperature of 49.5°F with about 38.7 inches of precipitation per year. The warmest month is July (average high 84.1°F), and the coldest is January (average low 12.9°F). June is typically the wettest month (5.17 in) and January the driest (1.62 in).
Best time to visit La Fayette
Full guide →Climate change signal
All-time records →14 of 366 (3.8%) of La Fayette'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.
| 1890s | 34 | |
| 1900s | 17 | |
| 1910s | 41 | |
| 1920s | 32 | |
| 1930s | 85 | |
| 1940s | 27 | |
| 1950s | 24 | |
| 1960s | 16 | |
| 1970s | 7 | |
| 1980s | 17 | |
| 1990s | 19 | |
| 2000s | 20 | |
| 2010s | 20 | |
| 2020s | 7 |
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 | 30.0°F | 12.9°F | 21.5°F | 1.62 in | — | 5 |
| February | 35.1°F | 16.8°F | 26.0°F | 1.76 in | — | 5 |
| March | 48.2°F | 27.2°F | 37.7°F | 2.35 in | — | 8 |
| April | 61.4°F | 37.8°F | 49.6°F | 4.22 in | — | 10 |
| May | 72.6°F | 50.2°F | 61.4°F | 4.82 in | — | 10 |
| June | 81.5°F | 59.8°F | 70.6°F | 5.17 in | — | 10 |
| July | 84.1°F | 62.9°F | 73.5°F | 3.63 in | — | 8 |
| August | 82.3°F | 60.2°F | 71.2°F | 3.73 in | — | 8 |
| September | 76.5°F | 51.5°F | 64.0°F | 3.97 in | — | 7 |
| October | 63.8°F | 40.3°F | 52.1°F | 2.84 in | — | 8 |
| November | 48.3°F | 28.9°F | 38.6°F | 2.55 in | — | 7 |
| December | 35.7°F | 18.8°F | 27.3°F | 2.01 in | — | 6 |
Climate twins of La Fayette
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).