Cypress, IL
Climate overview — based on NOAA 1991-2020 normals from GRAND CHAIN DAM 53, IL US.
Year-round temperatures (°F)
Climate summary
Cypress has an annual average temperature of 57.9°F with about 49.4 inches of precipitation per year and 7.2 inches of snow. The warmest month is July (average high 89.0°F), and the coldest is January (average low 26.2°F). April is typically the wettest month (5.15 in) and August the driest (3.03 in). Snow typically falls from December through March.
Best time to visit Cypress
Full guide →Climate change signal
All-time records →92 of 366 (25.1%) of Cypress'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.
| 1920s | 148 | |
| 1930s | 0 | |
| 1940s | 0 | |
| 1990s | 27 | |
| 2000s | 51 | |
| 2010s | 87 | |
| 2020s | 53 |
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 | 43.1°F | 26.2°F | 34.6°F | 4.23 in | 2.1 in | 10 |
| February | 47.6°F | 29.7°F | 38.7°F | 3.86 in | 2.5 in | 10 |
| March | 57.3°F | 36.8°F | 47.1°F | 4.77 in | 0.7 in | 10 |
| April | 68.4°F | 46.6°F | 57.5°F | 5.15 in | — | 10 |
| May | 76.8°F | 56.4°F | 66.6°F | 4.92 in | — | 10 |
| June | 85.5°F | 64.8°F | 75.2°F | 4.13 in | — | 9 |
| July | 89.0°F | 68.7°F | 78.9°F | 3.28 in | — | 8 |
| August | 88.6°F | 67.2°F | 77.9°F | 3.03 in | — | 6 |
| September | 82.7°F | 60.2°F | 71.5°F | 3.35 in | — | 7 |
| October | 71.2°F | 48.4°F | 59.8°F | 4.04 in | 0.1 in | 8 |
| November | 57.9°F | 38.6°F | 48.2°F | 4.41 in | — | 8 |
| December | 47.0°F | 30.8°F | 38.9°F | 4.24 in | 1.8 in | 10 |
Climate twins of Cypress
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).