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Weather & Climate in Jackson Lake, CO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jackson Lake experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 75°F in July. The area gets 316 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 14.3 inches (drier than the 38-inch national average). The area receives 22.7 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 4,391 feet.
Temperature
27°F Jan (-3°C)
75°F Jul (24°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 4,391 ft (1,338 m) |
| Area | 3.1 sq mi (7.9 km²) |
| Population Density | 71/sq mi |
| Coordinates | 40.3701°N, 104.0592°W |
| Timezone | America/Denver |
| County | Weld County County |
| Nearest Airport | Colorado Plains Regional (AKO) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.2 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 56.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 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 | 136 km | 10 km |
| Jun 1, 2014 | 9 km NNW of Kersey, Colorado | M3.2 | 48 km | 1 km |
| Mar 30, 2019 | 7 km NE of Greeley, Colorado | M2.9 | 50 km | 6 km |
| Jun 13, 2025 | 7 km SE of Erie, Colorado | M2.7 | 88 km | 9 km |
| Aug 23, 2016 | 2 km SSE of Eaton, Colorado | M2.6 | 57 km | 10 km |
| Jun 23, 2014 | 6 km NNE of Kersey, Colorado | M2.5 | 42 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
977 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 144 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 2015 | EF3 | 88 km | 6.7 mi | 0 |
| May 22, 2008 | EF3 | 61 km | 38.7 mi | 1 |
| May 30, 1996 | EF3 | 90 km | 0.5 mi | 0 |
| Jun 12, 1982 | EF3 | 73 km | 3.0 mi | 0 |
| May 18, 1975 | EF3 | 85 km | 4.1 mi | 0 |
| May 10, 1975 | EF3 | 60 km | 8.0 mi | 0 |
| Aug 15, 1974 | EF3 | 83 km | 2.0 mi | 0 |
| May 15, 1952 | EF3 | 44 km | 7.4 mi | 0 |
| Jun 21, 2023 | EF2 | 67 km | 4.5 mi | 0 |
| Jun 21, 2023 | EF2 | 83 km | 1.9 mi | 0 |
| Jun 21, 2023 | EF2 | 90 km | 4.9 mi | 0 |
| Jun 7, 2021 | EF2 | 76 km | 7.5 mi | 0 |
| Sep 11, 2019 | EF2 | 98 km | 0.5 mi | 0 |
| Jul 29, 2018 | EF2 | 39 km | 0.1 mi | 0 |
| Jul 29, 2018 | EF2 | 41 km | 0.1 mi | 0 |
| Jun 12, 2017 | EF2 | 63 km | 15.0 mi | 0 |
| May 7, 2016 | EF2 | 18 km | 8.8 mi | 0 |
| May 18, 2010 | EF2 | 94 km | 1.5 mi | 0 |
| Jul 31, 1996 | EF2 | 41 km | 5.0 mi | 0 |
| Jul 30, 1996 | EF2 | 8 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LAST CHANCE (17,958 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | LAST CHANCE | 17,958 | 76 km |
| 2002 | UNNAMED | 8,688 | 59 km |
| 2002 | UNNAMED | 5,258 | 30 km |
| 2001 | UNNAMED | 3,760 | 53 km |
| 2021 | BIJOU | 3,485 | 21 km |
| 2002 | UNNAMED | 3,275 | 78 km |
| 2004 | ROSETTA LANE | 3,164 | 87 km |
| 2002 | UNNAMED | 2,261 | 54 km |
| 2020 | SUNDAY FIRE | 2,204 | 49 km |
| 2002 | UNNAMED | 2,134 | 61 km |
| 2016 | CO RD 128 | 1,867 | 67 km |
| 2024 | 104 | 1,745 | 54 km |
| 2020 | SHAMROCK | 1,582 | 55 km |
| 2001 | SPRING | 1,380 | 58 km |
| 2000 | UNNAMED | 1,337 | 20 km |
| 2013 | GALENA FIRE | 1,319 | 97 km |
| 2024 | QUAIL HOLLOW | 1,267 | 82 km |
| 2024 | WILDHORSE 5 | 1,232 | 52 km |
| 2002 | UNNAMED | 1,209 | 81 km |
| 2019 | KEOTA | 1,146 | 35 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 0.2 in | Coldest |
| February | 32°F (0°C) | 0.2 in | Driest |
| March | 40°F (4°C) | 0.8 in | |
| April | 48°F (9°C) | 1.3 in | |
| May | 58°F (14°C) | 2.4 in | Wettest |
| June | 68°F (20°C) | 2.2 in | |
| July | 75°F (24°C) | 2.1 in | Warmest |
| August | 72°F (22°C) | 1.7 in | |
| September | 63°F (17°C) | 1.2 in | |
| October | 50°F (10°C) | 0.7 in | |
| November | 36°F (2°C) | 0.5 in | |
| December | 28°F (-2°C) | 0.3 in |
Jackson Lake has a seasonal temperature swing of 48°F / from 27°F in January to 75°F in July. Total annual precipitation is 13.6 inches, with May being the wettest month (2.4") and February the driest (0.2").