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Weather & Climate in Princess-Rosethorn, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Princess-Rosethorn experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 71°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 40.3 inches. The area receives 42.9 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 495 feet.
Temperature
30°F Jan (-1°C)
71°F Jul (22°C)
| Annual Average | 49.6°F |
| 8% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 495 ft (151 m) |
| Area | 71.1 sq mi (184.2 km²) |
| Population Density | 155/sq mi |
| Coordinates | 43.6661°N, 79.5446°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
18 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 | 44 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 109 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 131 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 39 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 49 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 94 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 104 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 109 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 108 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 140 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 44 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 106 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 76 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 99 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 32 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 81 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 150 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 | 30°F (-1°C) | 2.3 in | |
| February | 24°F (-4°C) | 1.9 in | Coldest, Driest |
| March | 32°F (0°C) | 2.2 in | |
| April | 44°F (6°C) | 2.8 in | |
| May | 55°F (13°C) | 3.0 in | |
| June | 65°F (18°C) | 2.8 in | |
| July | 71°F (22°C) | 3.0 in | Warmest, Wettest |
| August | 69°F (21°C) | 3.0 in | |
| September | 62°F (17°C) | 3.0 in | |
| October | 50°F (10°C) | 2.5 in | |
| November | 40°F (4°C) | 2.8 in | |
| December | 29°F (-1°C) | 2.5 in |
Princess-Rosethorn has a seasonal temperature swing of 47°F / from 24°F in February to 71°F in July. Total annual precipitation is 31.7 inches, with July being the wettest month (3.0") and February the driest (1.9").