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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. 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 36.1 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) |
| Sunny Days | 270 days/yr |
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").