Fairfax, IA
Climate overview — based on NOAA 1991-2020 normals from CEDAR RAPIDS MUNI AP, IA US.
Year-round temperatures (°F)
Climate summary
Fairfax has an annual average temperature of 48.3°F with about 35.9 inches of precipitation per year. The warmest month is July (average high 82.8°F), and the coldest is January (average low 11.3°F). June is typically the wettest month (5.56 in) and January the driest (0.95 in).
Best time to visit Fairfax
Full guide →Climate change signal
All-time records →59 of 366 (16.1%) of Fairfax'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.
| 1950s | 52 | |
| 1960s | 56 | |
| 1970s | 32 | |
| 1980s | 59 | |
| 1990s | 43 | |
| 2000s | 36 | |
| 2010s | 49 | |
| 2020s | 39 |
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 | 27.9°F | 11.3°F | 19.6°F | 0.95 in | — | 7 |
| February | 32.6°F | 15.5°F | 24.1°F | 1.22 in | — | 7 |
| March | 46.3°F | 26.8°F | 36.5°F | 1.99 in | — | 9 |
| April | 60.1°F | 37.6°F | 48.9°F | 3.56 in | — | 12 |
| May | 71.1°F | 49.5°F | 60.3°F | 4.25 in | — | 13 |
| June | 80.1°F | 59.7°F | 69.9°F | 5.56 in | — | 12 |
| July | 82.8°F | 62.7°F | 72.8°F | 4.41 in | — | 10 |
| August | 81.2°F | 60.4°F | 70.8°F | 4.07 in | — | 10 |
| September | 74.7°F | 51.9°F | 63.3°F | 3.40 in | — | 9 |
| October | 61.5°F | 39.9°F | 50.7°F | 2.91 in | — | 9 |
| November | 46.2°F | 27.7°F | 37.0°F | 2.00 in | — | 8 |
| December | 33.3°F | 17.1°F | 25.2°F | 1.59 in | — | 8 |
Climate twins of Fairfax
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).