Weather & Climate in Westerville, NE

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

Westerville experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 75°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 26.3 inches (drier than the 38-inch national average). The area receives 25.9 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 2,326 feet.

Temperature

25°F Jan (-4°C) 75°F Jul (24°C)

Annual Average	49.5°F
	8% below US avg
January Average	25°F (-4°C)
July Average	75°F (24°C)
Sunny Days	308 days/yr

Geography

Elevation	2,326 ft (709 m)
Area	0.1 sq mi (0.3 km²)
Population Density	131/sq mi
Coordinates	41.3962°N, 99.3818°W
Timezone	America/Chicago
County	Custer County County
Nearest Airport	Kearney Regional (EAR) 50 miles away

Precipitation & Snow

Annual Rainfall 26.3"

31% below US avg

Snowfall 25.9"

Wettest Month (Jun) 3.90"

Driest Month (Jan) 0.43"

Air Quality

AQI Median	32.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	28.0 / 100
Social Vulnerability	17.0 / 100
Community Resilience	19.3 / 100

Hazard Breakdown

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

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

Earthquake History

20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.

Apr 10, 2018	10 km SE of Arnold, Nebraska	M3.7	62 km	5 km
Aug 19, 2015	13 km S of Halsey, Nebraska	M3.6	85 km	15 km
Jan 4, 2016	11 km NW of Westerville, Nebraska	M3.5	12 km	6 km
Aug 26, 1991	15 km SSE of Brownlee, Nebraska	M3.4	128 km	5 km
Jun 20, 2002	8 km NE of Scotia, Nebraska	M3.3	65 km	5 km
Apr 19, 2018	9 km SSE of Arnold, Nebraska	M3.3	64 km	5 km
Apr 9, 2018	10 km SSE of Arnold, Nebraska	M3.3	64 km	5 km
Apr 11, 2016	11 km E of Brownlee, Nebraska	M3.2	137 km	5 km
Apr 10, 2018	3 km SE of Arnold, Nebraska	M3.1	65 km	5 km
Apr 16, 2018	8 km SE of Arnold, Nebraska	M3.1	62 km	5 km
Sep 26, 2010	11 km S of Oconto, Nebraska	M3.1	51 km	10 km
Jan 1, 2025	4 km S of Brownlee, Nebraska	M3.0	140 km	5 km
Jul 18, 1990	10 km SSW of Ord, Nebraska	M3.0	38 km	5 km
Apr 16, 2007	11 km WSW of Maywood, Nebraska	M3.0	144 km	5 km
Feb 14, 2003	7 km S of Holbrook, Nebraska	M2.9	140 km	5 km
Feb 1, 2006	6 km ENE of Bassett, Nebraska	M2.9	136 km	5 km
Jan 1, 2020	2 km E of Chambers, Nebraska	M2.8	105 km	10 km
Feb 5, 2025	8 km SSE of Tilden, Nebraska	M2.7	146 km	5 km
Apr 15, 2018	8 km SE of Arnold, Nebraska	M2.6	62 km	5 km
Apr 10, 2018	4 km NW of Arnold, Nebraska	M2.5	70 km	5 km

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

Tornado History

505 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 20 fatalities, 235 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 18, 1975	EF4	70 km	15.2 mi	0
May 8, 1965	EF4	62 km	78.9 mi	0
May 8, 1965	EF4	88 km	125.7 mi	4
May 5, 1964	EF4	84 km	51.2 mi	0
May 30, 1961	EF4	48 km	48.1 mi	0
Jun 6, 1956	EF4	53 km	2.0 mi	0
Jun 7, 1953	EF4	22 km	15.0 mi	11
Apr 26, 2024	EF3	67 km	9.3 mi	0
Jun 20, 2011	EF3	68 km	10.0 mi	0
May 17, 2000	EF3	97 km	11.5 mi	0
Jun 3, 1999	EF3	29 km	14.0 mi	0
Jun 6, 1993	EF3	71 km	50.0 mi	0
Jun 6, 1993	EF3	76 km	10.0 mi	0
Jun 6, 1993	EF3	99 km	60.0 mi	0
Jun 1, 1990	EF3	40 km	25.0 mi	0
Mar 13, 1990	EF3	96 km	27.0 mi	0
May 10, 1985	EF3	77 km	17.0 mi	0
Jun 11, 1984	EF3	80 km	14.0 mi	0
Apr 25, 1984	EF3	78 km	8.0 mi	0
Jun 3, 1980	EF3	99 km	2.3 mi	1

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BETTY'S WAY (68,425 acres, 2024).

Year	Name	Acres Burned	Distance
2024	BETTY'S WAY	68,425	90 km
2002	UNNAMED	15,972	97 km
2021	UNNAMED	6,693	100 km
1989	UNNAMED	6,681	92 km
2011	HARVEST CA	6,526	98 km
2006	FOUR CORNERS	6,241	98 km
2018	NEBRASKA RX	5,624	98 km
2022	LEACH CA	5,195	92 km
2023	LOWERY	4,881	74 km
2012	UNNAMED	4,503	95 km
1989	DUNNING	4,114	81 km
2022	201 EAST	4,015	88 km
2000	UNNAMED	3,883	53 km
1998	UNNAMED	3,688	55 km
1995	UNNAMED	3,149	94 km
1995	UNNAMED	3,145	95 km
2011	HALSEY DUMP	3,114	89 km
2023	DEL PORTO	2,856	62 km
2024	DOUBLE S EAST RX	2,829	90 km
2010	GROUSE 2010 RX	2,686	92 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	25°F (-4°C)	0.4 in	Coldest, Driest
February	28°F (-2°C)	0.6 in
March	37°F (3°C)	1.6 in
April	48°F (9°C)	2.3 in
May	59°F (15°C)	3.5 in
June	69°F (21°C)	3.9 in	Wettest
July	75°F (24°C)	3.2 in	Warmest
August	73°F (23°C)	2.8 in
September	63°F (17°C)	2.1 in
October	51°F (11°C)	1.5 in
November	36°F (2°C)	1.0 in
December	26°F (-3°C)	0.6 in

Westerville has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 23.3 inches, with June being the wettest month (3.9") and January the driest (0.4").

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