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Weather & Climate in Brook Forest, CO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brook Forest 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 8,449 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 | 8,449 ft (2,575 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 294/sq mi |
| Coordinates | 39.5739°N, 105.3944°W |
| Timezone | America/Denver |
| County | Jefferson County County |
| Nearest Airport | Denver International (DEN) 43 miles away |
Precipitation & Snow
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
32 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 | 59 km | 10 km |
| Dec 23, 1995 | 7 km WNW of Rock Creek Park, Colorado | M3.5 | 102 km | 5 km |
| Aug 21, 2012 | 12 km SSW of Gypsum, Colorado | M3.4 | 136 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 | 120 km | 1 km |
| Jul 8, 1993 | 9 km ENE of Aspen, Colorado | M3.1 | 120 km | 5 km |
| Jul 22, 2001 | 6 km WNW of Woodland Park, Colorado | M3.1 | 66 km | 5 km |
| Jan 26, 2008 | 12 km NE of Cotopaxi, Colorado | M3.1 | 126 km | 5 km |
| Sep 12, 1990 | 13 km NW of Silverthorne, Colorado | M3.0 | 71 km | 5 km |
| Jan 1, 2003 | 6 km SE of Aspen, Colorado | M2.9 | 126 km | 5 km |
| Jan 19, 1997 | 8 km SE of Westcreek, Colorado | M2.9 | 59 km | 5 km |
| Mar 30, 2019 | 7 km NE of Greeley, Colorado | M2.9 | 118 km | 6 km |
| Feb 26, 2008 | 29 km WNW of Westcreek, Colorado | M2.9 | 34 km | 2 km |
| Apr 12, 2015 | 5 km NE of Aspen, Colorado | M2.8 | 124 km | 5 km |
| Dec 31, 1995 | 6 km WNW of Rock Creek Park, Colorado | M2.8 | 104 km | 5 km |
| Oct 13, 2002 | 13 km S of Norrie, Colorado | M2.8 | 116 km | 5 km |
| Apr 11, 2021 | 9 km E of Woody Creek, Colorado | M2.8 | 123 km | 2 km |
| Apr 18, 1998 | 8 km SE of Westcreek, Colorado | M2.7 | 59 km | 5 km |
| Jun 21, 2018 | 16 km SSW of Walden, Colorado | M2.7 | 141 km | 2 km |
| Jun 13, 2025 | 7 km SE of Erie, Colorado | M2.7 | 60 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
492 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 154 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 2015 | EF3 | 80 km | 6.7 mi | 0 |
| May 22, 2008 | EF3 | 91 km | 38.7 mi | 1 |
| Jun 15, 1988 | EF3 | 43 km | 2.5 mi | 0 |
| Jun 12, 1982 | EF3 | 79 km | 3.0 mi | 0 |
| Jun 24, 1979 | EF3 | 90 km | 4.3 mi | 0 |
| Jun 13, 1977 | EF3 | 79 km | 4.9 mi | 0 |
| May 18, 1975 | EF3 | 62 km | 4.1 mi | 0 |
| Jun 7, 2021 | EF2 | 76 km | 7.5 mi | 0 |
| Jun 8, 2014 | EF2 | 66 km | 6.0 mi | 0 |
| Jun 15, 2009 | EF2 | 75 km | 4.0 mi | 0 |
| Jul 13, 1996 | EF2 | 89 km | 12.0 mi | 0 |
| Jun 15, 1988 | EF2 | 43 km | 0.5 mi | 0 |
| Jun 5, 1988 | EF2 | 50 km | 0.5 mi | 0 |
| Jun 5, 1988 | EF2 | 60 km | 2.0 mi | 0 |
| Jul 2, 1987 | EF2 | 66 km | 1.0 mi | 0 |
| Jun 20, 1987 | EF2 | 70 km | 1.0 mi | 0 |
| Jun 8, 1986 | EF2 | 45 km | 1.1 mi | 0 |
| Jun 8, 1986 | EF2 | 74 km | 2.0 mi | 0 |
| Jul 19, 1985 | EF2 | 45 km | 0.5 mi | 0 |
| May 18, 1984 | EF2 | 87 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 | 89 km |
| 2002 | HAYMAN | 129,417 | 40 km |
| 2012 | WALDO CANYON | 20,112 | 82 km |
| 2020 | WILLIAMS FORK | 14,679 | 58 km |
| 2018 | WESTON PASS | 13,169 | 81 km |
| 2013 | BLACK FOREST | 11,885 | 84 km |
| 1996 | BUFFALO CREEK | 11,690 | 25 km |
| 2020 | CALWOOD | 9,836 | 65 km |
| 2000 | HIGH MEADOWS | 9,607 | 19 km |
| 2001 | MVD PSFRXASST 4 | 7,375 | 44 km |
| 2021 | MARSHALL | 6,286 | 46 km |
| 2010 | FOURMILE CANYON | 5,865 | 53 km |
| 2002 | BIG ELK | 4,348 | 79 km |
| 2012 | LOWER NORTH FORK FIRE | 3,436 | 22 km |
| 2003 | OVERLAND | 3,232 | 62 km |
| 2009 | OLD STAGE | 3,160 | 58 km |
| 2002 | SCHOONOVER | 2,821 | 40 km |
| 2012 | FERN LAKE | 2,549 | 90 km |
| 2020 | SUNDAY FIRE | 2,204 | 96 km |
| 2002 | SNAKING | 2,080 | 19 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 0.8 in | Driest |
| February | 25°F (-4°C) | 0.8 in | |
| March | 29°F (-2°C) | 1.3 in | |
| April | 35°F (2°C) | 1.8 in | |
| May | 45°F (7°C) | 2.1 in | |
| June | 54°F (12°C) | 1.9 in | |
| July | 65°F (18°C) | 2.5 in | Warmest, Wettest |
| August | 57°F (14°C) | 2.4 in | |
| September | 50°F (10°C) | 1.5 in | |
| October | 41°F (5°C) | 1.2 in | |
| November | 30°F (-1°C) | 1.0 in | |
| December | 25°F (-4°C) | 1.0 in | Coldest |
Brook Forest has a seasonal temperature swing of 40°F / from 25°F in December to 65°F in July. Total annual precipitation is 18.3 inches, with July being the wettest month (2.5") and January the driest (0.8").