Weather & Climate in Admaston/Bromley, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Admaston/Bromley has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 67°F in July. Annual precipitation totals 32.9 inches. The area receives 11.8 inches of snow annually. The city sits at an elevation of 423 feet.
Temperature
10°F Jan (-12°C)
67°F Jul (19°C)
| Annual Average | 40.7°F |
| 25% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 423 ft (129 m) |
| Area | 200.6 sq mi (519.6 km²) |
| Population Density | 15/sq mi |
| Coordinates | 45.4752°N, 76.8103°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
87 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 | 113 km | 19 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M5.1 | 47 km | 13 km |
| Oct 19, 1990 | 11 km SW of Mont-Laurier, Canada | M4.6 | 145 km | 13 km |
| Dec 25, 1993 | 9 km WSW of Mont-Laurier, Canada | M4.3 | 148 km | 18 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 142 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 127 km | 11 km |
| Mar 6, 1991 | 49 km NNW of Fort-Coulonge, Canada | M3.9 | 90 km | 18 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 124 km | 5 km |
| Feb 26, 1998 | 33 km SW of Saint-Raphaël, Canada | M3.7 | 75 km | 18 km |
| May 17, 2013 | 20 km NNE of Shawville, Canada | M3.6 | 47 km | 11 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 52 km | 18 km |
| Feb 15, 1995 | 13 km SSE of Notre-Dame-du-Mont-Carmel, Canada | M3.5 | 145 km | 18 km |
| Mar 29, 2011 | 66 km NE of Deep River, Canada | M3.5 | 122 km | 18 km |
| May 6, 1993 | 27 km S of Mont-Laurier, Canada | M3.5 | 137 km | 18 km |
| Jan 16, 2013 | 28 km W of Notre-Dame-du-Mont-Carmel, Canada | M3.5 | 125 km | 18 km |
| May 14, 2016 | 8 km NW of Petawawa, Canada | M3.5 | 68 km | 18 km |
| May 28, 2002 | 11 km WNW of Shawville, Canada | M3.4 | 23 km | 18 km |
| Mar 31, 2005 | 27 km ESE of Maniwaki, Canada | M3.4 | 127 km | 18 km |
| Jun 23, 2010 | 28 km NNE of Val-des-Monts, Canada | M3.3 | 113 km | 23 km |
| Jun 19, 2016 | 15 km SSW of Mont-Laurier, Canada | M3.3 | 142 km | 18 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 | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 2.4 in | Coldest |
| February | 13°F (-11°C) | 2.0 in | Driest |
| March | 24°F (-4°C) | 2.1 in | |
| April | 39°F (4°C) | 2.6 in | |
| May | 52°F (11°C) | 3.0 in | |
| June | 62°F (17°C) | 3.1 in | |
| July | 67°F (19°C) | 3.1 in | Warmest |
| August | 66°F (19°C) | 3.2 in | Wettest |
| September | 57°F (14°C) | 3.2 in | |
| October | 46°F (8°C) | 2.9 in | |
| November | 34°F (1°C) | 2.9 in | |
| December | 19°F (-7°C) | 2.4 in |
Admaston/Bromley has a seasonal temperature swing of 57°F / from 10°F in January to 67°F in July. Total annual precipitation is 32.9 inches, with August being the wettest month (3.2") and February the driest (2.0").