Reservoir · United States
Jackson Lake
Jackson
Reservoir in Teton County, Wyoming, United States
- Area
- 106km²
- Max depth
- 134m
- Average depth
- 10m
- Elevation
- 2,063m a.s.l.
- Shoreline
- 124km
- Volume
- 1.1km³
Jackson Lake is a reservoir in United States. It covers 106 km². On average it is 10 m deep, and 134 m at its deepest point. Its surface lies 2,063 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Jackson Lake?
The water is warmest in August, around 19 °C at the surface, and coldest in January, around 0 °C. It rarely averages 20 °C, but it stays above 17 °C from July to August: brisk, refreshing swimming.
The lake usually freezes over for about 149 days a year, from around 25 November to 22 April.
On the shore, afternoons reach 23 °C on average in July and -7 °C in December. The driest month is July (30 mm of rain), the wettest December (90 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (78 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | Ice | — | -6 | -17 | 83 | 17 | 4.1 | 9 |
| February | Ice | — | -6 | -17 | 73 | 15 | 5.6 | 10 |
| March | Ice | — | -2 | -12 | 73 | 16 | 6.5 | 10 |
| April | Ice | — | 3 | -7 | 75 | 16 | 8.0 | 9 |
| May | 6 | 10 | 10 | -1 | 72 | 16 | 8.1 | 9 |
| June | 13 | 16 | 16 | 3 | 61 | 12 | 10.0 | 9 |
| July | 18 | 19 | 23 | 8 | 30 | 9 | 12.0 | 8 |
| August | 19 | 19 | 22 | 7 | 36 | 9 | 10.3 | 8 |
| September | 15 | 17 | 16 | 2 | 50 | 9 | 8.4 | 8 |
| October | 9 | 12 | 7 | -4 | 65 | 11 | 5.5 | 9 |
| November | 2 | 5 | -1 | -11 | 76 | 14 | 3.9 | 9 |
| December | Ice | — | -7 | -17 | 90 | 17 | 3.3 | 9 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 17 months before flowing out.
- Its catchment drains 1,963 km² of land.
- About 24 m³ of water flow out every second, on average.
- Its shoreline is 3.4 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Jackson Lake
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 7campsites
Full hook up, Colter Bay RV Park, Colter Bay Tent Village, Signal Mountain Campground, Colter Bay Campground and 2 more
- 1boat hire and water-sport clubs
Signal Marina Office
- 5marinas and slipways
Leeks Marina, Colter Bay Marina
- —ferry piers
- 4viewpoints
Jackson Lake Dam, Jackson Lake Viewpoint, Jackson Lake Overlook
- 2hotels, B&Bs and chalets
Signal Mountain Lodge
- —fishing spots
- 6restaurants and cafés
Nearest airport with scheduled flights: Jackson Hole Airport (JAC), 33 km in a straight line.
Car hire at IDA airport (Idaho Falls)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | -6.5 | -5.6 | -1.7 | 2.7 | 10.0 | 16.4 | 22.8 | 22.0 | 16.3 | 6.7 | -1.4 | -6.9 |
| 2020 | +0.5 | −1.2 | −0.1 | −1.6 | +0.6 | −1.6 | −1.6 | +1.8 | +1.4 | +0.7 | −0.1 | +0.7 |
| 2021 | +0.1 | −1.9 | −0.3 | +1.5 | +1.1 | +6.2 | +3.7 | −0.9 | +1.4 | +0.7 | +2.8 | +2.0 |
| 2022 | −0.2 | −1.8 | +0.9 | −0.9 | −1.7 | ±0.0 | +3.3 | +1.9 | +3.1 | +3.1 | −3.5 | −0.3 |
| 2023 | −0.6 | −0.8 | −3.5 | −3.6 | +2.6 | −1.1 | −0.4 | −1.4 | +0.3 | +1.2 | +1.9 | +2.8 |
| 2024 | +0.5 | +1.9 | −0.4 | +1.2 | −1.6 | +1.6 | +0.8 | +1.1 | +2.5 | +5.5 | −0.3 | +4.5 |
| 2025 | −1.6 | +0.7 | +0.5 | +1.5 | +3.1 | +2.5 | +1.9 | +1.4 | +2.4 | +0.9 | +4.8 | +5.0 |
+1 warmer than usual −1 cooler than usual
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q1589175) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
