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Weather & Climate in New London, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New London experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 266 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 38.7 inches. The area receives 5.7 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 656 feet.
Temperature
26°F Jan (-4°C)
77°F Jul (25°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 656 ft (200 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 1,620/sq mi |
| Coordinates | 39.5853°N, 91.4010°W |
| Timezone | America/Chicago |
| Nearest Airport | Quincy Regional-Baldwin Field (UIN) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Jul 31, 2005 | Missouri | M3.3 | 149 km | 5 km |
| Feb 8, 2004 | 6 km SSW of Stoutsville, Missouri | M2.9 | 43 km | 5 km |
| Apr 29, 2022 | 1 km SSW of Peerless Park, Missouri | M2.8 | 141 km | 8 km |
| May 5, 2008 | 3 km SSE of Fenton, Missouri | M2.8 | 149 km | 19 km |
| Sep 19, 2024 | 1 km S of Old Monroe, Missouri | M2.6 | 93 km | 2 km |
| Jan 15, 1998 | 1 km SSE of Fenton, Missouri | M2.5 | 147 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
392 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 13 fatalities, 222 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 12, 2006 | EF4 | 69 km | 29.0 mi | 0 |
| Apr 20, 1973 | EF4 | 100 km | 3.8 mi | 1 |
| Mar 13, 2006 | EF3 | 60 km | 44.5 mi | 0 |
| Mar 13, 2006 | EF3 | 82 km | 6.0 mi | 0 |
| Mar 12, 2006 | EF3 | 97 km | 19.7 mi | 4 |
| May 10, 2003 | EF3 | 30 km | 12.0 mi | 0 |
| Apr 8, 1999 | EF3 | 85 km | 7.5 mi | 0 |
| Jul 4, 1995 | EF3 | 91 km | 26.0 mi | 0 |
| Apr 29, 1984 | EF3 | 82 km | 8.0 mi | 0 |
| Jun 21, 1981 | EF3 | 97 km | 8.8 mi | 1 |
| Apr 13, 1974 | EF3 | 76 km | 11.0 mi | 0 |
| Apr 13, 1974 | EF3 | 82 km | 0.1 mi | 0 |
| Sep 30, 1973 | EF3 | 82 km | 0.1 mi | 0 |
| May 1, 1973 | EF3 | 97 km | 3.6 mi | 2 |
| Jun 12, 1970 | EF3 | 61 km | 16.0 mi | 0 |
| Jun 12, 1970 | EF3 | 94 km | 8.5 mi | 0 |
| May 14, 1961 | EF3 | 17 km | 127.1 mi | 0 |
| Apr 24, 1961 | EF3 | 25 km | 64.2 mi | 0 |
| Aug 4, 2023 | EF2 | 100 km | 1.6 mi | 0 |
| Oct 11, 2021 | EF2 | 98 km | 5.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 1.6 in | Coldest, Driest |
| February | 31°F (-0°C) | 1.7 in | |
| March | 42°F (6°C) | 3.2 in | |
| April | 54°F (12°C) | 3.7 in | |
| May | 63°F (17°C) | 4.4 in | Wettest |
| June | 73°F (23°C) | 3.8 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.7 in | |
| September | 67°F (20°C) | 3.8 in | |
| October | 56°F (13°C) | 3.1 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 31°F (-1°C) | 2.4 in |
New London has a seasonal temperature swing of 52°F / from 26°F in January to 77°F in July. Total annual precipitation is 38.7 inches, with May being the wettest month (4.4") and January the driest (1.6").