Grassy Lake, AB

Alberta

Grassy Lake is a small town in Alberta with a population of 856.

Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026

856 Population 391/sq mi density
42°F Avg Temperature

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Full City Profile

How Grassy Lake Compares to the U.S. Average (100% = U.S. avg)

People

Population856
Density391/mi²

Climate

Avg Temp42°F (6°C)
Rain14.1 in/yr
Elevation2,618 ft (798 m)
Grassy Lake has a cool climate with an average annual temperature of 42°F (6°C). Winters average 15°F in January while summers reach 65°F in July. Annual precipitation totals 14.1 inches (drier than the 38-inch national average). The area receives 3.6 inches of snow annually. The city sits at an elevation of 2,618 feet.

Temperature

15°F Jan (-9°C) 65°F Jul (18°C)
Annual Average42.0°F
22% below US avg
January Average15°F (-9°C)
July Average65°F (18°C)

Geography

Elevation2,618 ft (798 m)
Area2.2 sq mi (5.7 km²)
Population Density391/sq mi
Coordinates49.8168°N, 111.7185°W
TimezoneAmerica/Edmonton

Precipitation & Snow

Annual Rainfall 14.1"
63% below US avg
Snowfall 3.6"
Wettest Month (Jun) 2.60"
Driest Month (Feb) 0.55"

Air Quality

Earthquake History

17 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M2.7 on Apr 10, 2024.

May 1, 1997 35 km SSE of Magrath, Canada M3.8 102 km
Sep 29, 2009 42 km NW of Santa Rita, Montana M3.6 112 km
Jan 3, 2008 13 km SSE of Magrath, Canada M3.5 95 km
Jan 20, 2003 10 km S of Little Browning, Montana M3.5 150 km
Jan 1, 1993 20 km WSW of Sweet Grass, Montana M3.4 108 km
Nov 6, 2002 3 km SSE of Little Browning, Montana M3.4 142 km
Jan 22, 1993 33 km SSE of Raymond, Canada M3.4 84 km
Aug 15, 1996 33 km WNW of Sweet Grass, Montana M3.4 96 km
Nov 17, 1992 39 km NNW of Santa Rita, Montana M3.4 111 km
Sep 7, 2014 36 km SSE of Magrath, Canada M3.4 103 km
Mar 5, 1995 2 km NW of Cut Bank, Montana M3.3 138 km
Jan 11, 2003 44 km SSE of Magrath, Canada M3.2 110 km
Apr 4, 1990 4 km WNW of Santa Rita, Montana M3.1 131 km
Jun 9, 2009 20 km NNW of Santa Rita, Montana M3.0 118 km
Jan 20, 2024 8 km S of Cardston, Canada M2.8 139 km
Apr 10, 2024 17 km NNW of Santa Rita, Montana M2.7 121 km
Mar 29, 2008 4 km SSE of Little Browning, Montana M2.6 143 km
Mar 29, 2008 3 km SSE of Cut Bank, Montana M2.5 142 km
Source: USGS (M2.5+, 1990-2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 15°F (-9°C) 0.8 in Coldest
February 21°F (-6°C) 0.6 in Driest
March 31°F (-1°C) 0.9 in
April 43°F (6°C) 1.2 in
May 54°F (12°C) 1.8 in
June 61°F (16°C) 2.6 in Wettest
July 65°F (18°C) 1.3 in Warmest
August 65°F (18°C) 1.5 in
September 55°F (13°C) 1.5 in
October 45°F (7°C) 0.7 in
November 29°F (-2°C) 0.7 in
December 19°F (-7°C) 0.8 in

Grassy Lake has a seasonal temperature swing of 50°F / from 15°F in January to 65°F in July. Total annual precipitation is 14.1 inches, with June being the wettest month (2.6") and February the driest (0.6").

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Radio Stations near Grassy Lake

0 stations within ~55 km.

Station Genre Quality

Gas Stations in Grassy Lake

1 gas stations within city radius - OpenStreetMap data

Grassy Lake Store

Airports Near Grassy Lake

8 airports within the area.

AirportIATAType
Bow Island Airport-Small Airport
Foremost Airport-Small Airport
Milk River (Madge) Airport-Small Airport
Milk River Airport-Small Airport
Nemiskam Airport-Small Airport
Taber Airport-Small Airport
Vauxhall Airport-Small Airport
Warner Airport-Small Airport

Post Offices in Grassy Lake

1 post offices.

Post OfficeAddress
Canada Post

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Frequently Asked Questions About Grassy Lake

What is the population of Grassy Lake?

Grassy Lake has a population of 856 residents and is located in Alberta. The population density is 391 people per square mile, spread across 2.2 square miles.

What is the weather like in Grassy Lake?

Grassy Lake has a cool climate with an average annual temperature of 42°F (6°C). Winter temperatures average 15°F in January, while summers reach an average of 65°F in July. Annual rainfall totals 14.1 inches, with 3.6 inches of snow.

Nearby Cities

Bow Island, AB 2,036 pop · 16.0 mi Taber, AB 8,862 pop · 19.2 mi Vauxhall, AB 1,286 pop · 24.8 mi Warner County No. 5, AB 4,290 pop · 40.2 mi Coaldale, AB 8,771 pop · 40.8 mi Stirling, AB 1,164 pop · 42.1 mi Redcliff, AB 5,581 pop · 45.4 mi Picture Butte, AB 1,930 pop · 47.7 mi Forty Mile County No. 8, AB 3,471 pop · 47.8 mi Fairview No. 136, AB 1,580 pop · 47.9 mi Raymond, AB 4,199 pop · 48.7 mi Medicine Hat, AB 63,271 pop · 48.8 mi Lethbridge, AB 10,120 pop · 49.8 mi Dunmore, AB 1,088 pop · 50.8 mi
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