Fontanelle, IA
Climate overview — based on NOAA 1991-2020 normals from GREENFIELD, IA US.
Year-round temperatures (°F)
Climate summary
Fontanelle has an annual average temperature of 49.1°F with about 36.5 inches of precipitation per year and 25.5 inches of snow. The warmest month is July (average high 84.3°F), and the coldest is January (average low 10.8°F). May is typically the wettest month (5.31 in) and January the driest (0.86 in). Snow typically falls from October through April.
Best time to visit Fontanelle
Full guide →Climate change signal
All-time records →25 of 366 (6.8%) of Fontanelle'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 | 31 | |
| 1900s | 15 | |
| 1910s | 45 | |
| 1920s | 14 | |
| 1930s | 32 | |
| 1940s | 24 | |
| 1950s | 16 | |
| 1960s | 26 | |
| 1970s | 18 | |
| 1980s | 49 | |
| 1990s | 27 | |
| 2000s | 32 | |
| 2010s | 24 | |
| 2020s | 13 |
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 | 29.6°F | 10.8°F | 20.2°F | 0.86 in | 6.8 in | 6 |
| February | 34.6°F | 15.1°F | 24.8°F | 1.25 in | 7.3 in | 7 |
| March | 48.2°F | 26.9°F | 37.6°F | 1.99 in | 3.0 in | 8 |
| April | 60.6°F | 37.7°F | 49.2°F | 3.78 in | 0.8 in | 11 |
| May | 70.9°F | 50.2°F | 60.5°F | 5.31 in | 0.1 in | 13 |
| June | 80.4°F | 60.1°F | 70.3°F | 4.75 in | — | 11 |
| July | 84.3°F | 64.2°F | 74.3°F | 3.99 in | — | 9 |
| August | 82.5°F | 62.0°F | 72.3°F | 4.36 in | — | 9 |
| September | 76.0°F | 53.3°F | 64.7°F | 3.91 in | — | 8 |
| October | 63.8°F | 40.8°F | 52.3°F | 2.86 in | 0.4 in | 9 |
| November | 47.7°F | 27.5°F | 37.6°F | 1.99 in | 1.7 in | 6 |
| December | 34.4°F | 16.5°F | 25.4°F | 1.48 in | 5.4 in | 7 |
Climate twins of Fontanelle
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).