Weather & Climate in St. Ann Highlands, CO

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

St. Ann Highlands has a cool climate with an average annual temperature of 44°F (7°C). Winters average 28°F in January while summers reach 65°F in July. The area gets 326 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 20.3 inches (drier than the 38-inch national average). The area receives 99.1 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 8,284 feet.

Temperature

28°F Jan (-2°C) 65°F Jul (18°C)

Annual Average	43.9°F
	19% below US avg
January Average	28°F (-2°C)
July Average	65°F (18°C)
Sunny Days	326 days/yr

Geography

Elevation	8,284 ft (2,525 m)
Area	1.4 sq mi (3.5 km²)
Population Density	347/sq mi
Coordinates	39.9873°N, 105.4558°W
Timezone	America/Denver
County	Gilpin County County
Nearest Airport	Northern Colorado Regional (FNL) 40 miles away

Precipitation & Snow

Annual Rainfall 20.3"

47% below US avg

Snowfall 99.1"

Wettest Month (Jul) 2.24"

Driest Month (Feb) 0.94"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	6.4 / 100
Social Vulnerability	12.8 / 100
Community Resilience	79.3 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Very Low
Wildfire	Relatively Low
Flood	Very Low
Hail	Relatively Low
Strong Wind	Very Low
Heat Wave	No Rating
Winter Weather	Relatively Low
Lightning	Relatively Low
Ice Storm	Very Low
Drought	No Rating
Cold Wave	Very Low
Landslide	Relatively Low
Volcano	Very Low
Avalanche	Relatively Low

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

Earthquake History

42 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	95 km	10 km
Dec 23, 1995	7 km WNW of Rock Creek Park, Colorado	M3.5	147 km	5 km
Jun 6, 2011	17 km NNW of Oak Creek, Colorado	M3.5	142 km	5 km
Apr 10, 2011	12 km N of Oak Creek, Colorado	M3.4	133 km	5 km
Aug 21, 2012	12 km SSW of Gypsum, Colorado	M3.4	140 km	5 km
Jan 18, 1997	8 km SE of Westcreek, Colorado	M3.3	103 km	5 km
Jun 1, 2014	9 km NNW of Kersey, Colorado	M3.2	90 km	1 km
Jul 22, 2001	6 km WNW of Woodland Park, Colorado	M3.1	111 km	5 km
Jul 8, 1993	9 km ENE of Aspen, Colorado	M3.1	137 km	5 km
Sep 2, 2024	21 km NW of Steamboat Springs, Colorado	M3.1	150 km	2 km
Sep 12, 1990	13 km NW of Silverthorne, Colorado	M3.0	72 km	5 km
Feb 7, 2000	19 km NE of Steamboat Springs, Colorado	M3.0	123 km	5 km
Mar 30, 2019	7 km NE of Greeley, Colorado	M2.9	88 km	6 km
Feb 26, 2008	29 km WNW of Westcreek, Colorado	M2.9	79 km	2 km
Jan 1, 2003	6 km SE of Aspen, Colorado	M2.9	145 km	5 km
Jan 19, 1997	8 km SE of Westcreek, Colorado	M2.9	103 km	5 km
Oct 27, 2013	17 km NNW of Oak Creek, Colorado	M2.8	141 km	1 km
Jul 30, 2000	7 km SW of Steamboat Springs, Colorado	M2.8	132 km	5 km
Apr 30, 2008	3 km SW of Steamboat Springs, Colorado	M2.8	131 km	5 km
Oct 13, 2002	13 km S of Norrie, Colorado	M2.8	135 km	5 km

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

Tornado History

512 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 158 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 4, 2015	EF3	43 km	6.7 mi	0
May 22, 2008	EF3	66 km	38.7 mi	1
Jun 15, 1988	EF3	53 km	2.5 mi	0
Jun 12, 1982	EF3	81 km	3.0 mi	0
May 18, 1975	EF3	65 km	4.1 mi	0
May 15, 1952	EF3	84 km	7.4 mi	0
Jun 7, 2021	EF2	50 km	7.5 mi	0
Jul 31, 1996	EF2	94 km	5.0 mi	0
Jul 13, 1996	EF2	92 km	12.0 mi	0
Jun 9, 1990	EF2	91 km	23.0 mi	0
Jun 15, 1988	EF2	53 km	0.5 mi	0
Jun 5, 1988	EF2	41 km	2.0 mi	0
Jun 5, 1988	EF2	33 km	0.5 mi	0
Jul 2, 1987	EF2	63 km	1.0 mi	0
Jun 20, 1987	EF2	75 km	1.0 mi	0
Jun 8, 1986	EF2	75 km	2.0 mi	0
Jun 8, 1986	EF2	56 km	1.1 mi	0
Jul 19, 1985	EF2	71 km	0.5 mi	0
May 18, 1984	EF2	76 km	5.0 mi	0
May 18, 1984	EF2	69 km	5.0 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CAMERON PEAK (208,910 acres, 2020).

Year	Name	Acres Burned	Distance
2020	CAMERON PEAK	208,910	71 km
2020	EAST TROUBLESOME	188,924	53 km
2002	HAYMAN	129,417	87 km
2012	HIGH PARK	90,769	75 km
2018	SILVER CREEK	20,725	100 km
2020	WILLIAMS FORK	14,679	48 km
1996	BUFFALO CREEK	11,690	70 km
2000	BOBCAT	10,444	56 km
2020	CALWOOD	9,836	22 km
2000	HIGH MEADOWS	9,607	66 km
2004	PICNIC ROCK	9,014	84 km
2001	MVD PSFRXASST 4	7,375	89 km
2021	MARSHALL	6,286	24 km
2010	FOURMILE CANYON	5,865	9 km
2002	BIG ELK	4,348	34 km
2012	LOWER NORTH FORK FIRE	3,436	64 km
2003	OVERLAND	3,232	18 km
2009	OLD STAGE	3,160	19 km
2011	CRYSTAL FIRE	2,855	65 km
2002	SCHOONOVER	2,821	86 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	28°F (-2°C)	1.0 in
February	26°F (-3°C)	0.9 in	Coldest, Driest
March	30°F (-1°C)	1.3 in
April	36°F (2°C)	1.9 in
May	45°F (7°C)	2.2 in
June	54°F (12°C)	1.9 in
July	65°F (18°C)	2.2 in	Warmest, Wettest
August	58°F (15°C)	2.2 in
September	51°F (11°C)	1.5 in
October	42°F (5°C)	1.2 in
November	31°F (-1°C)	1.1 in
December	26°F (-3°C)	1.1 in

St. Ann Highlands has a seasonal temperature swing of 39°F / from 26°F in February to 65°F in July. Total annual precipitation is 18.5 inches, with July being the wettest month (2.2") and February the driest (0.9").

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