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Weather & Climate in Deseronto, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Deseronto has a cool climate with an average annual temperature of 44°F (7°C). Winters average 17°F in January while summers reach 69°F in July. The area gets 270 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 36.2 inches. The area receives 11.0 inches of snow annually. The city sits at an elevation of 315 feet.
Temperature
17°F Jan (-8°C)
69°F Jul (21°C)
| Annual Average | 44.4°F |
| 18% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 315 ft (96 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 1,796/sq mi |
| Coordinates | 44.2001°N, 77.0494°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
16 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 82 km | 18 km |
| Apr 23, 2023 | New York | M3.6 | 90 km | 9 km |
| Jun 29, 2024 | 14 km W of Ellisburg, New York | M3.3 | 79 km | 5 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 149 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 112 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 35 km | 18 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 106 km | 5 km |
| Mar 20, 2008 | 12 km S of Osgoode, Canada | M2.8 | 146 km | 6 km |
| Mar 14, 2021 | 19 km SW of Winchester, Canada | M2.7 | 147 km | 10 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 46 km | 4 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 136 km | 5 km |
| Apr 14, 2023 | 1 km W of Adams Center, New York | M2.6 | 90 km | 6 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 98 km | 7 km |
| May 10, 2022 | southern Ontario, Canada | M2.5 | 141 km | 11 km |
| Mar 17, 2004 | 12 km SSW of Osgoode, Canada | M2.5 | 145 km | 18 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 125 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 3.0 in | Coldest |
| February | 19°F (-7°C) | 2.4 in | Driest |
| March | 29°F (-1°C) | 2.5 in | |
| April | 43°F (6°C) | 2.9 in | |
| May | 55°F (13°C) | 3.1 in | |
| June | 64°F (18°C) | 3.1 in | |
| July | 69°F (21°C) | 2.4 in | Warmest |
| August | 68°F (20°C) | 2.9 in | |
| September | 60°F (15°C) | 3.6 in | |
| October | 48°F (9°C) | 3.4 in | |
| November | 37°F (3°C) | 3.9 in | Wettest |
| December | 25°F (-4°C) | 3.1 in |
Deseronto has a seasonal temperature swing of 52°F / from 17°F in January to 69°F in July. Total annual precipitation is 36.2 inches, with November being the wettest month (3.9") and February the driest (2.4").