Rock Island, QC

Full City Profile · Quebec

897 Population 21/sq mi density
41°F Avg Temperature
Rock Island has a cool climate with an average annual temperature of 41°F (5°C). Winters average 13°F in January while summers reach 66°F in July. Annual precipitation totals 45.3 inches. The area receives 16.5 inches of snow annually.

Temperature

13°F Jan (-11°C) 66°F Jul (19°C)
Annual Average41.2°F
24% below US avg
January Average13°F (-11°C)
July Average66°F (19°C)

Geography

Elevation1,020 ft (311 m)
Area43.7 sq mi (113.2 km²)
Population Density21/sq mi
Coordinates45.0070°N, 72.0963°W
TimezoneAmerica/Toronto

Precipitation & Snow

Annual Rainfall 45.3"
19% above US avg
Snowfall 16.5"
Wettest Month (Aug) 4.80"
Driest Month (Feb) 2.64"

Air Quality

Earthquake History

53 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.3. Most recent: M3.8 on Sep 1, 2024.

Apr 20, 2002 8 km NNW of Au Sable Forks, New York M5.3 138 km
Oct 10, 2012 7 km ESE of Verchères, Canada M3.9 124 km
Nov 16, 1993 5 km SSE of Saint-Édouard, Canada M3.8 112 km
Jul 5, 1991 7 km WSW of Sainte-Martine, Canada M3.8 143 km
Aug 21, 1996 12 km N of Livermore, New Hampshire M3.8 109 km
Jun 16, 1995 8 km N of Lisbon, New Hampshire M3.8 81 km
Sep 1, 2024 5 km SE of Pierreville, Canada M3.8 126 km
Jan 9, 2006 2 km ESE of Franklin, Canada M3.7 140 km
Apr 20, 2002 5 km NNW of Au Sable Forks, New York M3.7 138 km
Jan 17, 2000 4 km NNE of Dixfield, Maine M3.6 139 km
Apr 3, 1997 9 km ENE of Saint-Cyrille-de-Wendover, Canada M3.5 110 km
Jan 13, 2020 5 km SW of Franklin, Canada M3.4 147 km
Aug 20, 1995 4 km S of Chambly, Canada M3.3 103 km
May 17, 2021 5 km SW of L'Épiphanie, Canada M3.3 143 km
Jun 9, 1998 3 km N of Dannemora, New York M3.3 131 km
May 6, 2020 9 km SE of Bedford, Canada M3.1 63 km
May 24, 2002 6 km N of Au Sable Forks, New York M3.1 137 km
May 11, 2006 7 km W of Nicolet, Canada M3.0 144 km
Jun 25, 2002 6 km NNW of Au Sable Forks, New York M3.0 139 km
Mar 29, 2020 3 km W of L'Épiphanie, Canada M3.0 146 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Bob (1991).

Year Name Category Closest
1991 Bob Category 1 297 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 13°F (-11°C) 3.2 in Coldest
February 16°F (-9°C) 2.6 in Driest
March 27°F (-3°C) 3.1 in
April 40°F (4°C) 3.2 in
May 53°F (12°C) 3.9 in
June 62°F (16°C) 4.5 in
July 66°F (19°C) 4.6 in Warmest
August 64°F (18°C) 4.8 in Wettest
September 56°F (13°C) 3.7 in
October 45°F (7°C) 4.1 in
November 34°F (1°C) 3.9 in
December 20°F (-7°C) 3.8 in

Rock Island has a seasonal temperature swing of 53°F / from 13°F in January to 66°F in July. Total annual precipitation is 45.3 inches, with August being the wettest month (4.8") and February the driest (2.6").

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