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Weather & Climate in Blue Valley, CO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blue Valley 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 9,334 feet.
Temperature
28°F Jan (-2°C)
65°F Jul (18°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 9,334 ft (2,845 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 161/sq mi |
| Coordinates | 39.6997°N, 105.4921°W |
| Timezone | America/Denver |
| County | Clear Creek County County |
| Nearest Airport | Denver International (DEN) 45 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 51.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
39 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 | 74 km | 10 km |
| Dec 23, 1995 | 7 km WNW of Rock Creek Park, Colorado | M3.5 | 119 km | 5 km |
| Aug 21, 2012 | 12 km SSW of Gypsum, Colorado | M3.4 | 129 km | 5 km |
| Apr 10, 2011 | 12 km N of Oak Creek, Colorado | M3.4 | 145 km | 5 km |
| Jan 18, 1997 | 8 km SE of Westcreek, Colorado | M3.3 | 75 km | 5 km |
| Jun 1, 2014 | 9 km NNW of Kersey, Colorado | M3.2 | 114 km | 1 km |
| Jul 22, 2001 | 6 km WNW of Woodland Park, Colorado | M3.1 | 82 km | 5 km |
| Jan 26, 2008 | 12 km NE of Cotopaxi, Colorado | M3.1 | 139 km | 5 km |
| Jul 8, 1993 | 9 km ENE of Aspen, Colorado | M3.1 | 117 km | 5 km |
| Sep 12, 1990 | 13 km NW of Silverthorne, Colorado | M3.0 | 61 km | 5 km |
| Feb 7, 2000 | 19 km NE of Steamboat Springs, Colorado | M3.0 | 141 km | 5 km |
| Jan 1, 2003 | 6 km SE of Aspen, Colorado | M2.9 | 125 km | 5 km |
| Feb 26, 2008 | 29 km WNW of Westcreek, Colorado | M2.9 | 47 km | 2 km |
| Jan 19, 1997 | 8 km SE of Westcreek, Colorado | M2.9 | 75 km | 5 km |
| Mar 30, 2019 | 7 km NE of Greeley, Colorado | M2.9 | 112 km | 6 km |
| May 1, 2009 | 21 km NW of Dotsero, Colorado | M2.9 | 148 km | 5 km |
| Apr 12, 2015 | 5 km NE of Aspen, Colorado | M2.8 | 121 km | 5 km |
| Apr 11, 2021 | 9 km E of Woody Creek, Colorado | M2.8 | 119 km | 2 km |
| Jul 30, 2000 | 7 km SW of Steamboat Springs, Colorado | M2.8 | 145 km | 5 km |
| Oct 13, 2002 | 13 km S of Norrie, Colorado | M2.8 | 114 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
447 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 153 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 2015 | EF3 | 71 km | 6.7 mi | 0 |
| May 22, 2008 | EF3 | 87 km | 38.7 mi | 1 |
| Jun 15, 1988 | EF3 | 48 km | 2.5 mi | 0 |
| Jun 12, 1982 | EF3 | 83 km | 3.0 mi | 0 |
| Jun 13, 1977 | EF3 | 95 km | 4.9 mi | 0 |
| May 18, 1975 | EF3 | 66 km | 4.1 mi | 0 |
| Jun 7, 2021 | EF2 | 70 km | 7.5 mi | 0 |
| Jun 8, 2014 | EF2 | 80 km | 6.0 mi | 0 |
| Jun 15, 2009 | EF2 | 90 km | 4.0 mi | 0 |
| Jul 13, 1996 | EF2 | 94 km | 12.0 mi | 0 |
| Jun 15, 1988 | EF2 | 48 km | 0.5 mi | 0 |
| Jun 5, 1988 | EF2 | 56 km | 2.0 mi | 0 |
| Jun 5, 1988 | EF2 | 46 km | 0.5 mi | 0 |
| Jul 2, 1987 | EF2 | 68 km | 1.0 mi | 0 |
| Jun 20, 1987 | EF2 | 75 km | 1.0 mi | 0 |
| Jun 8, 1986 | EF2 | 51 km | 1.1 mi | 0 |
| Jun 8, 1986 | EF2 | 78 km | 2.0 mi | 0 |
| Jul 19, 1985 | EF2 | 57 km | 0.5 mi | 0 |
| May 18, 1984 | EF2 | 84 km | 5.0 mi | 0 |
| May 18, 1984 | EF2 | 95 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: EAST TROUBLESOME (188,924 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | EAST TROUBLESOME | 188,924 | 73 km |
| 2002 | HAYMAN | 129,417 | 56 km |
| 2012 | WALDO CANYON | 20,112 | 98 km |
| 2020 | WILLIAMS FORK | 14,679 | 45 km |
| 2018 | WESTON PASS | 13,169 | 87 km |
| 1996 | BUFFALO CREEK | 11,690 | 41 km |
| 2000 | BOBCAT | 10,444 | 88 km |
| 2020 | CALWOOD | 9,836 | 53 km |
| 2000 | HIGH MEADOWS | 9,607 | 35 km |
| 2001 | MVD PSFRXASST 4 | 7,375 | 60 km |
| 2021 | MARSHALL | 6,286 | 39 km |
| 2010 | FOURMILE CANYON | 5,865 | 40 km |
| 2002 | BIG ELK | 4,348 | 66 km |
| 2012 | LOWER NORTH FORK FIRE | 3,436 | 38 km |
| 2003 | OVERLAND | 3,232 | 50 km |
| 2009 | OLD STAGE | 3,160 | 47 km |
| 2011 | CRYSTAL FIRE | 2,855 | 97 km |
| 2002 | SCHOONOVER | 2,821 | 57 km |
| 2012 | FERN LAKE | 2,549 | 75 km |
| 2020 | SUNDAY FIRE | 2,204 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 0.9 in | Driest |
| February | 27°F (-3°C) | 0.9 in | |
| March | 30°F (-1°C) | 1.4 in | |
| April | 36°F (2°C) | 1.9 in | |
| May | 46°F (8°C) | 2.2 in | |
| June | 55°F (13°C) | 1.9 in | |
| July | 65°F (18°C) | 2.4 in | Warmest, Wettest |
| August | 59°F (15°C) | 2.3 in | |
| September | 52°F (11°C) | 1.5 in | |
| October | 42°F (6°C) | 1.2 in | |
| November | 31°F (-0°C) | 1.0 in | |
| December | 27°F (-3°C) | 1.1 in | Coldest |
Blue Valley has a seasonal temperature swing of 39°F / from 27°F in December to 65°F in July. Total annual precipitation is 18.5 inches, with July being the wettest month (2.4") and January the driest (0.9").