Haverhill, IA
Climate overview — based on NOAA 1991-2020 normals from MARSHALLTOWN, IA US.
Year-round temperatures (°F)
Climate summary
Haverhill has an annual average temperature of 47.6°F with about 37.9 inches of precipitation per year and 25.3 inches of snow. The warmest month is July (average high 83.5°F), and the coldest is January (average low 9.0°F). June is typically the wettest month (5.93 in) and January the driest (0.97 in). Snow typically falls from October through April.
Best time to visit Haverhill
Full guide →Climate change signal
All-time records →27 of 366 (7.4%) of Haverhill'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 | 18 | |
| 1900s | 19 | |
| 1910s | 50 | |
| 1920s | 30 | |
| 1930s | 76 | |
| 1940s | 30 | |
| 1950s | 20 | |
| 1960s | 14 | |
| 1970s | 11 | |
| 1980s | 21 | |
| 1990s | 20 | |
| 2000s | 18 | |
| 2010s | 23 | |
| 2020s | 16 |
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 | 27.5°F | 9.0°F | 18.2°F | 0.97 in | 6.3 in | 7 |
| February | 32.3°F | 13.0°F | 22.6°F | 1.16 in | 5.3 in | 7 |
| March | 45.4°F | 24.9°F | 35.1°F | 2.10 in | 3.3 in | 8 |
| April | 59.5°F | 35.9°F | 47.7°F | 3.82 in | 0.7 in | 11 |
| May | 70.7°F | 48.5°F | 59.6°F | 4.94 in | — | 13 |
| June | 80.4°F | 59.2°F | 69.8°F | 5.93 in | — | 12 |
| July | 83.5°F | 62.7°F | 73.1°F | 4.58 in | — | 9 |
| August | 81.5°F | 59.7°F | 70.6°F | 4.37 in | — | 9 |
| September | 75.4°F | 50.6°F | 63.0°F | 3.85 in | — | 9 |
| October | 62.2°F | 38.6°F | 50.4°F | 2.66 in | 0.2 in | 9 |
| November | 46.5°F | 26.3°F | 36.4°F | 2.10 in | 1.7 in | 7 |
| December | 33.5°F | 15.6°F | 24.5°F | 1.39 in | 7.8 in | 7 |
Climate twins of Haverhill
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).