Blue Grass, IA
Climate overview — based on NOAA 1991-2020 normals from ROCK ISLAND L&D 15, IL US.
Year-round temperatures (°F)
Climate summary
Blue Grass has an annual average temperature of 50.3°F with about 38.8 inches of precipitation per year. The warmest month is July (average high 83.9°F), and the coldest is January (average low 13.4°F). June is typically the wettest month (5.22 in) and January the driest (1.49 in).
Best time to visit Blue Grass
Full guide →Climate change signal
All-time records →76 of 366 (20.8%) of Blue Grass'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.
| 1860s | 0 | |
| 1870s | 56 | |
| 1880s | 12 | |
| 1890s | 12 | |
| 1980s | 37 | |
| 1990s | 68 | |
| 2000s | 69 | |
| 2010s | 64 | |
| 2020s | 48 |
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 | 31.0°F | 13.4°F | 22.2°F | 1.49 in | — | 11 |
| February | 36.3°F | 17.9°F | 27.1°F | 1.78 in | — | 9 |
| March | 48.4°F | 28.0°F | 38.2°F | 2.62 in | — | 10 |
| April | 61.4°F | 39.3°F | 50.3°F | 3.81 in | — | 12 |
| May | 72.3°F | 50.8°F | 61.6°F | 5.12 in | — | 13 |
| June | 81.2°F | 61.0°F | 71.1°F | 5.22 in | — | 12 |
| July | 83.9°F | 64.9°F | 74.4°F | 4.22 in | — | 9 |
| August | 82.4°F | 63.1°F | 72.7°F | 4.03 in | — | 10 |
| September | 76.7°F | 55.0°F | 65.8°F | 3.31 in | — | 8 |
| October | 63.7°F | 42.9°F | 53.3°F | 2.89 in | — | 10 |
| November | 48.7°F | 30.2°F | 39.4°F | 2.30 in | — | 10 |
| December | 36.0°F | 19.7°F | 27.8°F | 2.02 in | — | 10 |
Climate twins of Blue Grass
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).