Weather & Climate in Cromwell, MN

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Cromwell has a cool climate with an average annual temperature of 38°F (3°C). Winters average 8°F in January while summers reach 64°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 31.2 inches. The area receives 59.2 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,305 feet.

Temperature

8°F Jan (-14°C) 64°F Jul (18°C)

Annual Average	38.0°F
	30% below US avg
January Average	8°F (-14°C)
July Average	64°F (18°C)
Sunny Days	249 days/yr

Geography

Elevation	1,305 ft (398 m)
Area	2.0 sq mi (5.2 km²)
Population Density	206/sq mi
Coordinates	46.6793°N, 92.8709°W
Timezone	America/Chicago
County	Carlton County County
Nearest Airport	Duluth International (DLH) 34 miles away

Precipitation & Snow

Annual Rainfall 31.2"

18% below US avg

Snowfall 59.2"

Wettest Month (Jun) 4.41"

Driest Month (Feb) 0.59"

Air Quality

AQI Median	36.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	70.1 / 100
Social Vulnerability	27.5 / 100
Community Resilience	90.8 / 100

Hazard Breakdown

Tornado	Relatively Low
Earthquake	Very Low
Wildfire	Very Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively Low
Lightning	Relatively Moderate
Ice Storm	Relatively Low
Drought	Relatively Low
Cold Wave	Relatively High
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Tornado History

93 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 3 fatalities, 35 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 25, 1973	EF3	94 km	10.0 mi	0
Aug 6, 1969	EF3	31 km	18.4 mi	0
Aug 6, 1969	EF3	69 km	17.2 mi	2
Aug 6, 1969	EF3	51 km	12.5 mi	1
Jun 30, 1968	EF3	55 km	0.1 mi	0
Jun 12, 2024	EF2	87 km	14.7 mi	0
Jun 19, 2016	EF2	84 km	3.5 mi	0
Jul 1, 2011	EF2	86 km	2.9 mi	0
Sep 18, 1997	EF2	76 km	17.0 mi	0
Oct 26, 1996	EF2	78 km	0.7 mi	0
Jul 3, 1985	EF2	85 km	33.0 mi	0
Sep 3, 1980	EF2	77 km	9.9 mi	0
Sep 8, 1977	EF2	54 km	3.6 mi	0
Jun 7, 1977	EF2	74 km	0.5 mi	0
Jul 7, 1970	EF2	32 km	22.3 mi	0
Jun 30, 1968	EF2	96 km	39.0 mi	0
Jul 8, 1959	EF2	91 km	0.5 mi	0
Sep 19, 2024	EF1	56 km	5.9 mi	0
Jun 12, 2024	EF1	70 km	4.7 mi	0
Jul 11, 2022	EF1	49 km	4.6 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,998 acres, 2003).

Year	Name	Acres Burned	Distance
2003	UNNAMED	2,998	36 km
2015	TAMARACK	2,745	27 km
1987	UNNAMED	2,512	35 km
1991	UNNAMED	2,486	47 km
2024	RX-86_FY23	2,187	91 km
1987	UNNAMED	1,963	54 km
1987	UNNAMED	1,799	50 km
1987	UNNAMED	1,760	48 km
1988	UNNAMED	1,589	77 km
2004	SOUTH MAIN ROAD	1,384	40 km
2006	WUI RX BURN UNIT 15	1,380	39 km
1990	UNNAMED	1,371	75 km
1987	UNNAMED	1,352	20 km
1997	UNNAMED	1,306	48 km
2009	UNNAMED	1,249	47 km
1988	UNNAMED	1,226	47 km
2000	S MAIN RO	1,181	39 km
1987	UNNAMED	1,096	39 km
1985	UNNAMED	1,068	79 km
1988	UNNAMED	1,059	68 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	8°F (-14°C)	0.9 in	Coldest
February	13°F (-10°C)	0.6 in	Driest
March	25°F (-4°C)	1.4 in
April	40°F (4°C)	1.9 in
May	53°F (12°C)	3.0 in
June	62°F (16°C)	4.4 in	Wettest
July	64°F (18°C)	4.3 in
August	65°F (18°C)	3.9 in	Warmest
September	56°F (13°C)	3.4 in
October	44°F (7°C)	2.5 in
November	28°F (-2°C)	1.6 in
December	13°F (-11°C)	0.9 in

Cromwell has a seasonal temperature swing of 57°F / from 8°F in January to 65°F in August. Total annual precipitation is 28.8 inches, with June being the wettest month (4.4") and February the driest (0.6").

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