Weather & Climate in Manville, WY

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

Manville has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 71°F in July. The area gets 302 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 13.4 inches (drier than the 38-inch national average). The area receives 43.8 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 5,249 feet.

Temperature

22°F Jan (-6°C) 71°F Jul (21°C)

Annual Average	44.7°F
	17% below US avg
January Average	22°F (-6°C)
July Average	71°F (21°C)
Sunny Days	302 days/yr

Geography

Elevation	5,249 ft (1,600 m)
Area	0.3 sq mi (0.7 km²)
Population Density	800/sq mi
Coordinates	42.7794°N, 104.6174°W
Timezone	America/Denver
County	Platte County County
Nearest Airport	Western Nebraska Regional/William B Heilig Field (BFF) 81 miles away

Precipitation & Snow

Annual Rainfall 13.4"

65% below US avg

Snowfall 43.8"

Wettest Month (May) 2.68"

Driest Month (Jan) 0.51"

Air Quality

AQI Median	34.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	25.7 / 100
Social Vulnerability	83.9 / 100
Community Resilience	13.9 / 100

Hazard Breakdown

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

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

Earthquake History

33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Oct 19, 1996	21 km E of Antelope Hills, Wyoming	M4.2	122 km	5 km
Aug 29, 2004	16 km NNW of Douglas, Wyoming	M3.8	72 km	5 km
Aug 2, 2021	12 km NW of Rolling Hills, Wyoming	M3.8	110 km	10 km
Jul 23, 1993	29 km WNW of Esterbrook, Wyoming	M3.7	95 km	5 km
Apr 9, 1996	34 km SW of Edgemont, South Dakota	M3.7	53 km	5 km
Oct 10, 1993	41 km W of Esterbrook, Wyoming	M3.7	110 km	5 km
Feb 1, 2003	11 km E of Antelope Hills, Wyoming	M3.7	131 km	5 km
Mar 9, 2025	7 km W of Fairburn, South Dakota	M3.6	146 km	5 km
Feb 15, 2004	19 km N of Douglas, Wyoming	M3.5	66 km	10 km
Mar 26, 2021	10 km E of Edgemont, South Dakota	M3.4	95 km	5 km
Jul 22, 2020	16 km NW of Rolling Hills, Wyoming	M3.2	115 km	34 km
Aug 22, 2016	16 km S of Casper Mountain, Wyoming	M3.2	139 km	5 km
Dec 13, 1993	14 km SW of Esterbrook, Wyoming	M3.2	88 km	5 km
Jun 18, 1998	23 km S of Chadron, Nebraska	M3.1	133 km	5 km
May 3, 1996	32 km SSW of Edgemont, South Dakota	M3.1	57 km	5 km
Jun 30, 1993	25 km N of Douglas, Wyoming	M3.0	66 km	5 km
Jun 29, 2024	22 km ESE of Hill View Heights, Wyoming	M3.0	124 km	10 km
Jan 6, 2018	7 km SW of Guernsey, Wyoming	M3.0	64 km	5 km
Nov 2, 1992	5 km ESE of Lusk, Wyoming	M3.0	19 km	5 km
Sep 7, 2019	23 km WSW of Esterbrook, Wyoming	M2.9	97 km	5 km

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

Tornado History

198 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 23 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 28, 2018	EF3	75 km	4.4 mi	0
Jul 20, 1978	EF3	85 km	53.2 mi	0
Jun 26, 1955	EF3	93 km	2.0 mi	0
Jun 23, 2023	EF2	100 km	3.8 mi	0
Sep 10, 2019	EF2	50 km	19.1 mi	0
Jun 12, 2017	EF2	66 km	25.6 mi	0
Jun 22, 2012	EF2	74 km	16.7 mi	0
Jun 7, 2012	EF2	91 km	20.6 mi	0
Jun 13, 1984	EF2	25 km	4.0 mi	0
Jun 20, 1983	EF2	93 km	0.3 mi	0
Jun 5, 1982	EF2	86 km	7.0 mi	0
Jun 5, 1982	EF2	68 km	7.0 mi	0
Jun 5, 1982	EF2	30 km	1.0 mi	0
Jul 28, 1978	EF2	72 km	1.0 mi	0
Jul 28, 1978	EF2	28 km	5.0 mi	0
Jul 28, 1976	EF2	86 km	0.3 mi	0
Apr 12, 1967	EF2	92 km	12.6 mi	0
Aug 21, 1960	EF2	89 km	0.1 mi	0
Jun 26, 1955	EF2	47 km	2.3 mi	0
Jun 7, 2022	EF1	35 km	3.5 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: ARAPAHO (100,043 acres, 2012).

Year	Name	Acres Burned	Distance
2012	ARAPAHO	100,043	90 km
1989	FT.ROBINSON	46,887	85 km
1996	OLMSTEAD D	44,562	76 km
2006	SIOUX COUNTY COMPLEX	39,567	66 km
2012	DOUTHIT	29,036	84 km
2024	PLEASANT VALLEY	28,249	53 km
2010	ORPHA	25,839	67 km
2006	OLD CHICAGO	25,218	44 km
2018	BRITANIA MOUNTAIN	23,701	94 km
2016	SIMMONS	20,950	67 km
2024	WILDCAT CREEK	18,751	94 km
2002	HENSEL	14,439	82 km
1996	UNNAMED	14,279	81 km
2016	INDIAN CANYON	13,791	85 km
2012	SAWMILL CANYON	13,438	44 km
2006	TWENTY MILE	11,732	35 km
2000	WARBONNET	11,504	60 km
2011	THOMPSON	10,519	54 km
1999	WALKER	10,022	47 km
2010	WILLOW CREEK	9,706	51 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	22°F (-6°C)	0.5 in	Coldest, Driest
February	27°F (-3°C)	0.6 in
March	33°F (0°C)	1.1 in
April	42°F (5°C)	2.1 in
May	51°F (11°C)	2.7 in	Wettest
June	61°F (16°C)	2.3 in
July	71°F (21°C)	1.9 in	Warmest
August	67°F (20°C)	1.1 in
September	57°F (14°C)	1.3 in
October	46°F (8°C)	1.1 in
November	33°F (0°C)	0.7 in
December	24°F (-4°C)	0.6 in

Manville has a seasonal temperature swing of 49°F / from 22°F in January to 71°F in July. Total annual precipitation is 15.7 inches, with May being the wettest month (2.7") and January the driest (0.5").

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