Weather & Climate in Littleton, CO

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

Littleton 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 5,417 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	5,417 ft (1,651 m)
Area	13.8 sq mi (35.8 km²)
Population Density	3,573/sq mi
Coordinates	39.5904°N, 105.0201°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

21 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	38 km	10 km
Dec 23, 1995	7 km WNW of Rock Creek Park, Colorado	M3.5	96 km	5 km
Jan 18, 1997	8 km SE of Westcreek, Colorado	M3.3	55 km	5 km
Jun 1, 2014	9 km NNW of Kersey, Colorado	M3.2	104 km	1 km
Jan 26, 2008	12 km NE of Cotopaxi, Colorado	M3.1	136 km	5 km
Jul 22, 2001	6 km WNW of Woodland Park, Colorado	M3.1	64 km	5 km
Sep 12, 1990	13 km NW of Silverthorne, Colorado	M3.0	102 km	5 km
Feb 26, 2008	29 km WNW of Westcreek, Colorado	M2.9	52 km	2 km
Mar 30, 2019	7 km NE of Greeley, Colorado	M2.9	103 km	6 km
Jan 19, 1997	8 km SE of Westcreek, Colorado	M2.9	55 km	5 km
Oct 13, 2002	13 km S of Norrie, Colorado	M2.8	147 km	5 km
Dec 31, 1995	6 km WNW of Rock Creek Park, Colorado	M2.8	98 km	5 km
Apr 18, 1998	8 km SE of Westcreek, Colorado	M2.7	55 km	5 km
Jun 13, 2025	7 km SE of Erie, Colorado	M2.7	46 km	9 km
Jan 19, 1997	8 km SE of Westcreek, Colorado	M2.7	55 km	5 km
Sep 24, 2013	6 km NNE of Cotopaxi, Colorado	M2.6	142 km	5 km
Aug 23, 2016	2 km SSE of Eaton, Colorado	M2.6	105 km	10 km
Jun 23, 2014	6 km NNE of Kersey, Colorado	M2.5	103 km	5 km
Jun 26, 2021	19 km WNW of Cañon City, Colorado	M2.5	124 km	8 km
Aug 4, 1994	6 km NNE of Smeltertown, Colorado	M2.5	138 km	5 km

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

Tornado History

693 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 162 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 4, 2015	EF3	74 km	6.7 mi	0
May 22, 2008	EF3	75 km	38.7 mi	1
Jun 15, 1988	EF3	17 km	2.5 mi	0
Jun 12, 1982	EF3	49 km	3.0 mi	0
Jun 24, 1979	EF3	83 km	4.3 mi	0
Jun 13, 1977	EF3	73 km	4.9 mi	0
May 18, 1975	EF3	34 km	4.1 mi	0
May 15, 1952	EF3	91 km	7.4 mi	0
Jun 7, 2021	EF2	62 km	7.5 mi	0
Jun 8, 2014	EF2	77 km	6.0 mi	0
Jun 7, 2012	EF2	83 km	7.5 mi	0
Jun 15, 2009	EF2	51 km	4.0 mi	0
May 10, 2004	EF2	91 km	6.0 mi	0
May 28, 2001	EF2	100 km	0.3 mi	0
Jul 13, 1996	EF2	58 km	12.0 mi	0
Jun 15, 1988	EF2	17 km	0.5 mi	0
Jun 5, 1988	EF2	40 km	0.5 mi	0
Jun 5, 1988	EF2	46 km	2.0 mi	0
Jul 2, 1987	EF2	41 km	1.0 mi	0
Jun 20, 1987	EF2	40 km	1.0 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	47 km
2012	WALDO CANYON	20,112	74 km
2020	WILLIAMS FORK	14,679	87 km
2013	BLACK FOREST	11,885	67 km
1996	BUFFALO CREEK	11,690	31 km
2020	CALWOOD	9,836	68 km
2000	HIGH MEADOWS	9,607	36 km
2001	MVD PSFRXASST 4	7,375	42 km
2021	MARSHALL	6,286	43 km
2010	FOURMILE CANYON	5,865	60 km
2002	BIG ELK	4,348	85 km
2012	LOWER NORTH FORK FIRE	3,436	21 km
2003	OVERLAND	3,232	67 km
2009	OLD STAGE	3,160	60 km
2002	SCHOONOVER	2,821	43 km
1996	UNNAMED	2,692	99 km
2020	SUNDAY FIRE	2,204	75 km
2002	SNAKING	2,080	46 km
2023	403	1,767	83 km
2012	SPRINGER	1,665	80 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

Littleton 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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