New London, IA
Climate overview — based on NOAA 1991-2020 normals from MT PLEASANT 1 SSW, IA US.
Year-round temperatures (°F)
Climate summary
New London has an annual average temperature of 49.7°F with about 38.4 inches of precipitation per year and 24.8 inches of snow. The warmest month is July (average high 84.8°F), and the coldest is January (average low 12.5°F). June is typically the wettest month (5.11 in) and January the driest (1.42 in). Snow typically falls from November through April.
Best time to visit New London
Full guide →Climate change signal
All-time records →28 of 366 (7.7%) of New London'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 | 10 | |
| 1900s | 19 | |
| 1910s | 34 | |
| 1920s | 29 | |
| 1930s | 82 | |
| 1940s | 28 | |
| 1950s | 35 | |
| 1960s | 19 | |
| 1970s | 10 | |
| 1980s | 25 | |
| 1990s | 18 | |
| 2000s | 19 | |
| 2010s | 20 | |
| 2020s | 18 |
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 | 31.4°F | 12.5°F | 22.0°F | 1.42 in | 7.2 in | 6 |
| February | 36.6°F | 16.5°F | 26.6°F | 1.68 in | 7.1 in | 6 |
| March | 49.3°F | 26.9°F | 38.1°F | 2.31 in | 2.8 in | 7 |
| April | 62.6°F | 37.7°F | 50.2°F | 3.91 in | 1.1 in | 9 |
| May | 72.3°F | 48.7°F | 60.5°F | 5.05 in | — | 10 |
| June | 81.1°F | 58.1°F | 69.6°F | 5.11 in | — | 9 |
| July | 84.8°F | 62.2°F | 73.5°F | 4.36 in | — | 7 |
| August | 83.3°F | 60.2°F | 71.8°F | 3.85 in | — | 7 |
| September | 77.1°F | 51.9°F | 64.5°F | 4.13 in | — | 6 |
| October | 64.3°F | 40.5°F | 52.4°F | 2.90 in | — | 6 |
| November | 49.5°F | 28.6°F | 39.1°F | 2.05 in | 0.5 in | 5 |
| December | 36.6°F | 18.4°F | 27.5°F | 1.68 in | 6.1 in | 6 |
Climate twins of New London
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).