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Weather & Climate in James, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
James experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 21°F in January while summers reach 71°F in July. The area gets 276 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 33.0 inches. The area receives 8.8 inches of snow annually. The city sits at an elevation of 397 feet.
Temperature
21°F Jan (-6°C)
71°F Jul (22°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 397 ft (121 m) |
| Area | 33.0 sq mi (85.4 km²) |
| Population Density | 11/sq mi |
| Coordinates | 43.6694°N, 79.3727°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 | 31 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 102 km | 6 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 117 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 27 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 35 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 87 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 90 km | 5 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 95 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 104 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 131 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 40 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 96 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 63 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 86 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 147 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 | 68 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 | 79 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 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.2 in | Coldest |
| February | 23°F (-5°C) | 2.0 in | Driest |
| March | 32°F (-0°C) | 2.1 in | |
| April | 44°F (6°C) | 2.8 in | |
| May | 56°F (13°C) | 3.0 in | |
| June | 65°F (18°C) | 3.0 in | |
| July | 71°F (22°C) | 3.0 in | Warmest |
| August | 69°F (21°C) | 3.3 in | |
| September | 62°F (16°C) | 3.4 in | Wettest |
| October | 50°F (10°C) | 2.7 in | |
| November | 39°F (4°C) | 3.2 in | |
| December | 28°F (-2°C) | 2.6 in |
James has a seasonal temperature swing of 49°F / from 21°F in January to 71°F in July. Total annual precipitation is 33.1 inches, with September being the wettest month (3.4") and February the driest (2.0").