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Weather & Climate in Kemptville, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kemptville has a cool climate with an average annual temperature of 43°F (6°C). Winters average 13°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 13.7 inches of snow annually. The city sits at an elevation of 315 feet.
Temperature
13°F Jan (-11°C)
69°F Jul (21°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 13°F (-11°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 315 ft (96 m) |
| Area | 135.9 sq mi (351.9 km²) |
| Population Density | 4/sq mi |
| Coordinates | 45.0168°N, 75.6410°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
146 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jun 23, 2010 | 29 km NNE of Val-des-Monts, Canada | M5.4 | 97 km | 19 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 99 km | 13 km |
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 144 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 111 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 139 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 143 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 80 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 141 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 103 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 76 km | 11 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 122 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 149 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 109 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 72 km | 5 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 142 km | 18 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 128 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 146 km | 10 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 139 km | 18 km |
| Nov 6, 2012 | Ontario-Quebec border region, Canada | M3.7 | 105 km | 11 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 138 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1908 | NOTRE DAME DE LA SALETTE | Meteorological | 15.0 m | 33 | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-11°C) | 2.4 in | Coldest |
| February | 15°F (-9°C) | 2.4 in | Driest |
| March | 27°F (-3°C) | 2.4 in | |
| April | 41°F (5°C) | 2.9 in | |
| May | 55°F (13°C) | 3.2 in | |
| June | 64°F (18°C) | 3.1 in | |
| July | 69°F (21°C) | 3.5 in | Warmest, Wettest |
| August | 67°F (19°C) | 3.4 in | |
| September | 58°F (15°C) | 3.4 in | |
| October | 47°F (8°C) | 3.1 in | |
| November | 35°F (2°C) | 3.3 in | |
| December | 21°F (-6°C) | 3.2 in |
Kemptville has a seasonal temperature swing of 56°F / from 13°F in January to 69°F in July. Total annual precipitation is 36.2 inches, with July being the wettest month (3.5") and February the driest (2.4").