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Weather & Climate in Pelham, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pelham experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 271 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 36.0 inches. The area receives 9.9 inches of snow annually. The city sits at an elevation of 686 feet.
Temperature
24°F Jan (-5°C)
71°F Jul (22°C)
| Annual Average | 47.5°F |
| 12% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 686 ft (209 m) |
| Area | 48.8 sq mi (126.3 km²) |
| Population Density | 373/sq mi |
| Coordinates | 43.0446°N, 79.2838°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 45 km | 6 km |
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 78 km | 13 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 140 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 86 km | 18 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 110 km | 5 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 81 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 37 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 115 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 36 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 88 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 31 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 58 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 66 km | 8 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 100 km | 5 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 86 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 40 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 71 km | 5 km |
| Dec 17, 1990 | 5 km SSE of Middleboro, Pennsylvania | M2.5 | 140 km | 5 km |
| Jan 25, 1999 | New York | M2.5 | 122 km | 3 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 98 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 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 2.4 in | Coldest |
| February | 25°F (-4°C) | 2.1 in | Driest |
| March | 33°F (1°C) | 2.4 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 56°F (13°C) | 3.3 in | |
| June | 65°F (19°C) | 3.3 in | |
| July | 71°F (22°C) | 3.2 in | Warmest |
| August | 69°F (21°C) | 3.1 in | |
| September | 62°F (17°C) | 3.7 in | Wettest |
| October | 51°F (10°C) | 3.1 in | |
| November | 40°F (5°C) | 3.5 in | |
| December | 30°F (-1°C) | 3.0 in |
Pelham has a seasonal temperature swing of 47°F / from 24°F in January to 71°F in July. Total annual precipitation is 36.0 inches, with September being the wettest month (3.7") and February the driest (2.1").