Weather & Climate in Duncan, NE

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

Duncan experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 23°F in January while summers reach 76°F in July. The area gets 308 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 28.7 inches (drier than the 38-inch national average). The area receives 25.6 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 1,495 feet.

Temperature

23°F Jan (-5°C) 76°F Jul (25°C)

Annual Average	50.5°F
	6% below US avg
January Average	23°F (-5°C)
July Average	76°F (25°C)
Sunny Days	308 days/yr

Geography

Elevation	1,495 ft (456 m)
Area	0.4 sq mi (1.1 km²)
Population Density	1,383/sq mi
Coordinates	41.3904°N, 97.4927°W
Timezone	America/Chicago
County	Platte County County
Nearest Airport	Norfolk Regional/Karl Stefan Memorial Field (OFK) 41 miles away

Precipitation & Snow

Annual Rainfall 28.7"

25% below US avg

Snowfall 25.6"

Wettest Month (Jun) 4.29"

Driest Month (Jan) 0.47"

Air Quality

AQI Median	32.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	70.6 / 100
Social Vulnerability	25.3 / 100
Community Resilience	55.4 / 100

Hazard Breakdown

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

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

Earthquake History

8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.

Feb 6, 1996	1 km N of Wausa, Nebraska	M3.6	125 km	5 km
Aug 9, 1997	9 km NW of Clarkson, Nebraska	M3.4	52 km	5 km
Jun 20, 2002	8 km NE of Scotia, Nebraska	M3.3	95 km	5 km
Jul 18, 1990	10 km SSW of Ord, Nebraska	M3.0	123 km	5 km
Jan 1, 2020	2 km E of Chambers, Nebraska	M2.8	137 km	10 km
Feb 5, 2025	8 km SSE of Tilden, Nebraska	M2.7	70 km	5 km
Aug 22, 2023	10 km ENE of Cowles, Nebraska	M2.5	149 km	10 km
Sep 3, 2023	10 km SSW of Lawrence, Nebraska	M2.5	149 km	9 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

717 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 17 fatalities, 458 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 26, 2024	EF4	99 km	31.9 mi	0
Jun 16, 2014	EF4	58 km	12.1 mi	0
Jun 16, 2014	EF4	75 km	11.5 mi	1
Jun 16, 2014	EF4	97 km	15.8 mi	0
Jun 16, 2014	EF4	69 km	23.9 mi	1
Oct 4, 2013	EF4	89 km	18.3 mi	0
Jun 13, 2001	EF4	69 km	8.0 mi	0
Jun 3, 1980	EF4	86 km	1.1 mi	3
Apr 7, 1978	EF4	24 km	8.0 mi	0
Apr 7, 1978	EF4	87 km	31.2 mi	0
May 6, 1975	EF4	90 km	4.1 mi	0
May 8, 1965	EF4	100 km	78.9 mi	0
May 5, 1964	EF4	74 km	51.2 mi	0
Apr 25, 1957	EF4	90 km	89.8 mi	1
May 30, 1954	EF4	43 km	29.9 mi	6
Aug 13, 1952	EF4	79 km	26.7 mi	0
Jul 15, 1950	EF4	87 km	10.0 mi	0
Apr 26, 2024	EF3	95 km	5.3 mi	0
Apr 26, 2024	EF3	96 km	9.3 mi	0
May 11, 2014	EF3	78 km	19.1 mi	0

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	23°F (-5°C)	0.5 in	Coldest, Driest
February	28°F (-2°C)	0.8 in
March	38°F (3°C)	2.0 in
April	51°F (10°C)	2.5 in
May	62°F (17°C)	4.2 in
June	72°F (22°C)	4.3 in	Wettest
July	76°F (25°C)	3.2 in	Warmest
August	74°F (23°C)	3.3 in
September	65°F (18°C)	3.0 in
October	53°F (11°C)	2.0 in
November	37°F (3°C)	1.3 in
December	26°F (-4°C)	0.8 in

Duncan has a seasonal temperature swing of 53°F / from 23°F in January to 76°F in July. Total annual precipitation is 27.8 inches, with June being the wettest month (4.3") and January the driest (0.5").

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