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Weather & Climate in Jarvis, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jarvis experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 22°F in January while summers reach 70°F in July. The area gets 269 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 37.1 inches. The area receives 10.5 inches of snow annually. The city sits at an elevation of 686 feet.
Temperature
22°F Jan (-5°C)
70°F Jul (21°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 686 ft (209 m) |
| Area | 2.0 sq mi (5.1 km²) |
| Population Density | 529/sq mi |
| Coordinates | 42.8856°N, 80.1122°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
26 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 119 km | 5 km |
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 129 km | 13 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 108 km | 6 km |
| Aug 28, 2023 | 7 km SE of Madison, Ohio | M3.6 | 147 km | 5 km |
| Jun 20, 2006 | 9 km WNW of North Perry, Ohio | M3.5 | 148 km | 5 km |
| Mar 15, 1992 | 15 km NW of North Perry, Ohio | M3.5 | 143 km | 5 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 122 km | 5 km |
| Jun 30, 2004 | 2 km WNW of Madison, Ohio | M3.3 | 146 km | 5 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 131 km | 18 km |
| Apr 25, 2010 | 2 km WNW of Madison, Ohio | M3.0 | 146 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 105 km | 5 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 133 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 86 km | 6 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 127 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 83 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 126 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 132 km | 8 km |
| Jan 5, 2024 | 3 km SE of Madison, Ohio | M2.6 | 146 km | 9 km |
| Feb 14, 2009 | 4 km WSW of Geneva-on-the-Lake, Ohio | M2.6 | 137 km | 5 km |
| Jun 1, 2024 | 1 km E of Madison, Ohio | M2.6 | 145 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 98 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 2.4 in | Coldest |
| February | 23°F (-5°C) | 2.1 in | Driest |
| March | 32°F (0°C) | 2.8 in | |
| April | 44°F (7°C) | 3.3 in | |
| May | 56°F (13°C) | 3.2 in | |
| June | 65°F (18°C) | 3.3 in | |
| July | 70°F (21°C) | 3.5 in | Warmest |
| August | 68°F (20°C) | 3.2 in | |
| September | 61°F (16°C) | 3.6 in | Wettest |
| October | 50°F (10°C) | 3.1 in | |
| November | 39°F (4°C) | 3.5 in | |
| December | 29°F (-2°C) | 3.1 in |
Jarvis has a seasonal temperature swing of 48°F / from 22°F in January to 70°F in July. Total annual precipitation is 37.1 inches, with September being the wettest month (3.6") and February the driest (2.1").