Weather & Climate in Douro-Dummer, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Douro-Dummer has a cool climate with an average annual temperature of 43°F (6°C). Winters average 16°F in January while summers reach 68°F in July. Annual precipitation totals 36.1 inches. The area receives 14.1 inches of snow annually. The city sits at an elevation of 817 feet.
Temperature
16°F Jan (-9°C)
68°F Jul (20°C)
| Annual Average | 42.7°F |
| 21% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 817 ft (249 m) |
| Area | 177.4 sq mi (459.5 km²) |
| Population Density | 43/sq mi |
| Coordinates | 44.4502°N, 78.1052°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 109 km | 13 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 70 km | 18 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 139 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 107 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 104 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 85 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 70 km | 18 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 82 km | 5 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 122 km | 8 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 131 km | 4 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 116 km | 5 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 120 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 132 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 93 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 3.0 in | Coldest |
| February | 18°F (-8°C) | 2.1 in | Driest |
| March | 28°F (-2°C) | 2.4 in | |
| April | 42°F (5°C) | 2.8 in | |
| May | 54°F (12°C) | 3.3 in | |
| June | 62°F (17°C) | 3.3 in | |
| July | 68°F (20°C) | 2.8 in | Warmest |
| August | 66°F (19°C) | 3.2 in | |
| September | 58°F (14°C) | 3.6 in | |
| October | 46°F (8°C) | 3.1 in | |
| November | 35°F (2°C) | 3.7 in | Wettest |
| December | 22°F (-5°C) | 2.9 in |
Douro-Dummer has a seasonal temperature swing of 52°F / from 16°F in January to 68°F in July. Total annual precipitation is 36.1 inches, with November being the wettest month (3.7") and February the driest (2.1").