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Weather & Climate in Port Hope, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Port Hope experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 28°F in January while summers reach 71°F in July. The area gets 245 sunny days per year, above the national average. Annual precipitation totals 37.3 inches. The area receives 51.3 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 499 feet.
Temperature
28°F Jan (-2°C)
71°F Jul (22°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 245 days/yr |
Geography
| Elevation | 499 ft (152 m) |
| Area | 107.7 sq mi (278.8 km²) |
| Population Density | 161/sq mi |
| Coordinates | 44.0168°N, 78.3995°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
21 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 | 59 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 132 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 43 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 61 km | 18 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 78 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 54 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 119 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 38 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 38 km | 5 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 133 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 105 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 111 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 69 km | 8 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 149 km | 5 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 66 km | 5 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 139 km | 7 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 109 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 67 km | 5 km |
| Jan 25, 1999 | New York | M2.5 | 150 km | 3 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 144 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: MOHAWK POOL (507 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | MOHAWK POOL | 507 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 2.5 in | |
| February | 19°F (-7°C) | 2.3 in | Coldest, Driest |
| March | 29°F (-2°C) | 2.5 in | |
| April | 42°F (6°C) | 3.0 in | |
| May | 54°F (12°C) | 3.2 in | |
| June | 63°F (17°C) | 3.0 in | |
| July | 71°F (22°C) | 2.5 in | Warmest |
| August | 66°F (19°C) | 3.4 in | |
| September | 58°F (15°C) | 3.6 in | |
| October | 47°F (8°C) | 3.2 in | |
| November | 36°F (2°C) | 3.8 in | Wettest |
| December | 24°F (-4°C) | 3.1 in |
Port Hope has a seasonal temperature swing of 51°F / from 19°F in February to 71°F in July. Total annual precipitation is 36.1 inches, with November being the wettest month (3.8") and February the driest (2.3").