Lisbon, IL
Climate overview — based on NOAA 1991-2020 normals from MORRIS 1 NW, IL US.
Year-round temperatures (°F)
Climate summary
Lisbon has an annual average temperature of 50.8°F with about 38.8 inches of precipitation per year and 24.7 inches of snow. The warmest month is July (average high 84.9°F), and the coldest is January (average low 15.7°F). July is typically the wettest month (4.92 in) and February the driest (1.79 in). Snow typically falls from November through April.
Best time to visit Lisbon
Full guide →Climate change signal
All-time records →54 of 366 (14.8%) of Lisbon'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.
| 1910s | 36 | |
| 1920s | 42 | |
| 1930s | 80 | |
| 1940s | 31 | |
| 1950s | 38 | |
| 1960s | 24 | |
| 1970s | 3 | |
| 1990s | 8 | |
| 2000s | 33 | |
| 2010s | 41 | |
| 2020s | 30 |
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 | 31.2°F | 15.7°F | 23.4°F | 2.09 in | 7.4 in | 10 |
| February | 35.6°F | 19.3°F | 27.4°F | 1.79 in | 7.5 in | 8 |
| March | 47.7°F | 28.9°F | 38.3°F | 2.23 in | 2.9 in | 9 |
| April | 60.9°F | 39.6°F | 50.3°F | 3.34 in | 0.5 in | 11 |
| May | 72.1°F | 51.0°F | 61.6°F | 4.39 in | — | 13 |
| June | 81.7°F | 61.2°F | 71.4°F | 4.72 in | — | 11 |
| July | 84.9°F | 65.0°F | 75.0°F | 4.92 in | — | 9 |
| August | 82.7°F | 63.0°F | 72.8°F | 4.01 in | — | 10 |
| September | 77.4°F | 54.8°F | 66.1°F | 3.55 in | — | 8 |
| October | 64.4°F | 42.8°F | 53.6°F | 3.23 in | — | 10 |
| November | 49.0°F | 31.6°F | 40.3°F | 2.50 in | 1.1 in | 8 |
| December | 36.7°F | 21.5°F | 29.1°F | 2.02 in | 5.3 in | 9 |
Climate twins of Lisbon
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).