Weather & Climate in Bow Mar, CO

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

Bow Mar experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 33°F in January while summers reach 73°F in July. The area gets 330 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 16.6 inches (drier than the 38-inch national average). The area receives 34.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 5,531 feet.

Temperature

33°F Jan (0°C) 73°F Jul (23°C)

Annual Average	50.8°F
	6% below US avg
January Average	33°F (0°C)
July Average	73°F (23°C)
Sunny Days	330 days/yr

Geography

Elevation	5,531 ft (1,686 m)
Area	0.7 sq mi (1.7 km²)
Population Density	1,520/sq mi
Coordinates	39.6266°N, 105.0509°W
Timezone	America/Denver
County	Jefferson County County
Nearest Airport	Denver International (DEN) 26 miles away

Precipitation & Snow

Annual Rainfall 16.6"

56% below US avg

Snowfall 34.1"

Wettest Month (May) 2.72"

Driest Month (Jan) 0.55"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	94.9 / 100
Social Vulnerability	11.4 / 100
Community Resilience	66.9 / 100

Hazard Breakdown

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

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

Earthquake History

23 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.

Dec 25, 1994	9 km NE of Larkspur, Colorado	M4.0	43 km	10 km
Dec 23, 1995	7 km WNW of Rock Creek Park, Colorado	M3.5	100 km	5 km
Jan 18, 1997	8 km SE of Westcreek, Colorado	M3.3	59 km	5 km
Jun 1, 2014	9 km NNW of Kersey, Colorado	M3.2	101 km	1 km
Jul 8, 1993	9 km ENE of Aspen, Colorado	M3.1	150 km	5 km
Jan 26, 2008	12 km NE of Cotopaxi, Colorado	M3.1	139 km	5 km
Jul 22, 2001	6 km WNW of Woodland Park, Colorado	M3.1	68 km	5 km
Sep 12, 1990	13 km NW of Silverthorne, Colorado	M3.0	99 km	5 km
Mar 30, 2019	7 km NE of Greeley, Colorado	M2.9	100 km	6 km
Jan 19, 1997	8 km SE of Westcreek, Colorado	M2.9	59 km	5 km
Feb 26, 2008	29 km WNW of Westcreek, Colorado	M2.9	53 km	2 km
Dec 31, 1995	6 km WNW of Rock Creek Park, Colorado	M2.8	102 km	5 km
Oct 13, 2002	13 km S of Norrie, Colorado	M2.8	146 km	5 km
Jan 19, 1997	8 km SE of Westcreek, Colorado	M2.7	59 km	5 km
Apr 18, 1998	8 km SE of Westcreek, Colorado	M2.7	59 km	5 km
Jun 13, 2025	7 km SE of Erie, Colorado	M2.7	43 km	9 km
Sep 24, 2013	6 km NNE of Cotopaxi, Colorado	M2.6	144 km	5 km
Aug 23, 2016	2 km SSE of Eaton, Colorado	M2.6	102 km	10 km
Jun 23, 2014	6 km NNE of Kersey, Colorado	M2.5	101 km	5 km
Jan 11, 1995	15 km SSE of Norrie, Colorado	M2.5	143 km	5 km

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

Tornado History

690 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 163 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 4, 2015	EF3	69 km	6.7 mi	0
May 22, 2008	EF3	72 km	38.7 mi	1
Jun 15, 1988	EF3	16 km	2.5 mi	0
Jun 12, 1982	EF3	50 km	3.0 mi	0
Jun 24, 1979	EF3	87 km	4.3 mi	0
Jun 13, 1977	EF3	78 km	4.9 mi	0
May 18, 1975	EF3	34 km	4.1 mi	0
May 15, 1952	EF3	88 km	7.4 mi	0
Jun 7, 2021	EF2	59 km	7.5 mi	0
Jun 8, 2014	EF2	80 km	6.0 mi	0
Jun 7, 2012	EF2	87 km	7.5 mi	0
Jun 15, 2009	EF2	56 km	4.0 mi	0
May 10, 2004	EF2	95 km	6.0 mi	0
Jul 13, 1996	EF2	59 km	12.0 mi	0
Jun 15, 1988	EF2	16 km	0.5 mi	0
Jun 5, 1988	EF2	36 km	0.5 mi	0
Jun 5, 1988	EF2	42 km	2.0 mi	0
Jul 2, 1987	EF2	39 km	1.0 mi	0
Jun 20, 1987	EF2	40 km	1.0 mi	0
Jun 8, 1986	EF2	45 km	2.0 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HAYMAN (129,417 acres, 2002).

Year	Name	Acres Burned	Distance
2002	HAYMAN	129,417	50 km
2012	WALDO CANYON	20,112	78 km
2020	WILLIAMS FORK	14,679	83 km
2013	BLACK FOREST	11,885	72 km
1996	BUFFALO CREEK	11,690	33 km
2000	BOBCAT	10,444	97 km
2020	CALWOOD	9,836	63 km
2000	HIGH MEADOWS	9,607	37 km
2001	MVD PSFRXASST 4	7,375	45 km
2021	MARSHALL	6,286	39 km
2010	FOURMILE CANYON	5,865	55 km
2002	BIG ELK	4,348	80 km
2012	LOWER NORTH FORK FIRE	3,436	23 km
2003	OVERLAND	3,232	62 km
2009	OLD STAGE	3,160	55 km
2002	SCHOONOVER	2,821	46 km
2012	FERN LAKE	2,549	97 km
2020	SUNDAY FIRE	2,204	73 km
2002	SNAKING	2,080	45 km
2023	403	1,767	86 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (0°C)	0.6 in	Driest
February	34°F (1°C)	0.7 in
March	40°F (4°C)	1.6 in
April	47°F (8°C)	2.0 in
May	56°F (13°C)	2.7 in	Wettest
June	66°F (19°C)	1.9 in
July	73°F (23°C)	2.0 in	Warmest
August	70°F (21°C)	1.8 in
September	61°F (16°C)	1.5 in
October	50°F (10°C)	1.2 in
November	38°F (3°C)	1.1 in
December	31°F (-0°C)	0.8 in	Coldest

Bow Mar has a seasonal temperature swing of 42°F / from 31°F in December to 73°F in July. Total annual precipitation is 17.7 inches, with May being the wettest month (2.7") and January the driest (0.6").

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