Sign In Register

Weather & Climate in Morrison, CO

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

Morrison has a cool climate with an average annual temperature of 45°F (7°C). Winters average 28°F in January while summers reach 65°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 18.6 inches (drier than the 38-inch national average). The area receives 80.8 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 6,406 feet.

Temperature

28°F Jan (-2°C) 65°F Jul (18°C)
Annual Average44.7°F
17% below US avg
January Average28°F (-2°C)
July Average65°F (18°C)
Sunny Days330 days/yr

Geography

Elevation6,406 ft (1,953 m)
Area2.2 sq mi (5.7 km²)
Population Density252/sq mi
Coordinates39.6364°N, 105.2060°W
TimezoneAmerica/Denver
CountyJefferson County County
Nearest AirportDenver International (DEN)
32 miles away

Precipitation & Snow

Annual Rainfall 18.6"
51% below US avg
Snowfall 80.8"
Wettest Month (Jul) 2.48"
Driest Month (Jan) 0.51"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score94.9 / 100
Social Vulnerability11.4 / 100
Community Resilience66.9 / 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

29 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 51 km 10 km
Dec 23, 1995 7 km WNW of Rock Creek Park, Colorado M3.5 104 km 5 km
Jan 18, 1997 8 km SE of Westcreek, Colorado M3.3 60 km 5 km
Jun 1, 2014 9 km NNW of Kersey, Colorado M3.2 106 km 1 km
Jul 8, 1993 9 km ENE of Aspen, Colorado M3.1 137 km 5 km
Jul 22, 2001 6 km WNW of Woodland Park, Colorado M3.1 69 km 5 km
Jan 26, 2008 12 km NE of Cotopaxi, Colorado M3.1 136 km 5 km
Sep 12, 1990 13 km NW of Silverthorne, Colorado M3.0 86 km 5 km
Mar 30, 2019 7 km NE of Greeley, Colorado M2.9 104 km 6 km
Jan 19, 1997 8 km SE of Westcreek, Colorado M2.9 60 km 5 km
Jan 1, 2003 6 km SE of Aspen, Colorado M2.9 144 km 5 km
Feb 26, 2008 29 km WNW of Westcreek, Colorado M2.9 46 km 2 km
Apr 11, 2021 9 km E of Woody Creek, Colorado M2.8 140 km 2 km
Oct 13, 2002 13 km S of Norrie, Colorado M2.8 133 km 5 km
Dec 31, 1995 6 km WNW of Rock Creek Park, Colorado M2.8 106 km 5 km
Apr 12, 2015 5 km NE of Aspen, Colorado M2.8 141 km 5 km
Jun 21, 2018 16 km SSW of Walden, Colorado M2.7 146 km 2 km
Jun 13, 2025 7 km SE of Erie, Colorado M2.7 45 km 9 km
Jan 19, 1997 8 km SE of Westcreek, Colorado M2.7 60 km 5 km
Apr 18, 1998 8 km SE of Westcreek, Colorado M2.7 60 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

602 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 69 km 6.7 mi 0
May 22, 2008 EF3 77 km 38.7 mi 1
Jun 15, 1988 EF3 26 km 2.5 mi 0
Jun 12, 1982 EF3 61 km 3.0 mi 0
Jun 24, 1979 EF3 91 km 4.3 mi 0
Jun 13, 1977 EF3 80 km 4.9 mi 0
May 18, 1975 EF3 45 km 4.1 mi 0
May 15, 1952 EF3 94 km 7.4 mi 0
Jun 7, 2021 EF2 62 km 7.5 mi 0
Jun 8, 2014 EF2 76 km 6.0 mi 0
Jun 7, 2012 EF2 99 km 7.5 mi 0
Jun 15, 2009 EF2 66 km 4.0 mi 0
Jul 13, 1996 EF2 71 km 12.0 mi 0
Jun 15, 1988 EF2 26 km 0.5 mi 0
Jun 5, 1988 EF2 45 km 2.0 mi 0
Jun 5, 1988 EF2 37 km 0.5 mi 0
Jul 2, 1987 EF2 49 km 1.0 mi 0
Jun 20, 1987 EF2 52 km 1.0 mi 0
Jun 8, 1986 EF2 56 km 2.0 mi 0
Jun 8, 1986 EF2 28 km 1.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: EAST TROUBLESOME (188,924 acres, 2020).

Year Name Acres Burned Distance
2020 EAST TROUBLESOME 188,924 94 km
2002 HAYMAN 129,417 47 km
2012 WALDO CANYON 20,112 82 km
2020 WILLIAMS FORK 14,679 70 km
2018 WESTON PASS 13,169 97 km
2013 BLACK FOREST 11,885 79 km
1996 BUFFALO CREEK 11,690 29 km
2000 BOBCAT 10,444 93 km
2020 CALWOOD 9,836 59 km
2000 HIGH MEADOWS 9,607 29 km
2001 MVD PSFRXASST 4 7,375 46 km
2021 MARSHALL 6,286 36 km
2010 FOURMILE CANYON 5,865 49 km
2002 BIG ELK 4,348 75 km
2012 LOWER NORTH FORK FIRE 3,436 21 km
2003 OVERLAND 3,232 57 km
2009 OLD STAGE 3,160 51 km
2002 SCHOONOVER 2,821 44 km
2012 FERN LAKE 2,549 89 km
2020 SUNDAY FIRE 2,204 80 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 0.5 in Driest
February 28°F (-2°C) 0.7 in
March 33°F (1°C) 1.5 in
April 39°F (4°C) 1.9 in
May 49°F (9°C) 2.4 in
June 58°F (14°C) 2.0 in
July 65°F (18°C) 2.5 in Warmest, Wettest
August 62°F (17°C) 2.3 in
September 54°F (12°C) 1.5 in
October 44°F (7°C) 1.2 in
November 33°F (0°C) 0.9 in
December 27°F (-3°C) 0.8 in Coldest

Morrison has a seasonal temperature swing of 38°F / from 27°F in December to 65°F in July. Total annual precipitation is 18.2 inches, with July being the wettest month (2.5") and January the driest (0.5").

View full profile of Morrison, CO →