Reservoir · United States
Upper Klamath Lake
Lake in the United States
- Area
- 277km²
- Max depth
- 15m
- Average depth
- 2.3m
- Elevation
- 1,259m a.s.l.
- Shoreline
- 177km
- Volume
- 0.646km³
Upper Klamath Lake is a reservoir in United States. It covers 277 km². On average it is 2.3 m deep, and 15 m at its deepest point. Its surface lies 1,259 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Upper Klamath Lake?
The water is warmest in July, around 22 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more from June to August: comfortable for most swimmers.
The lake usually freezes over for about 57 days a year, from around 12 December to 6 February.
On the shore, afternoons reach 28 °C on average in July and 2 °C in December. The driest month is July (8 mm of rain), the wettest December (129 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (99 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 | — | 2 | -6 | 92 | 15 | 4.3 | 8 |
| February | 1 | 3 | 4 | -5 | 77 | 14 | 5.7 | 8 |
| March | 5 | 8 | 7 | -3 | 84 | 15 | 6.7 | 9 |
| April | 11 | 13 | 11 | -1 | 60 | 14 | 8.7 | 8 |
| May | 16 | 18 | 16 | 3 | 47 | 10 | 10.6 | 8 |
| June | 20 | 22 | 22 | 6 | 24 | 6 | 12.9 | 8 |
| July | 22 | 23 | 28 | 11 | 8 | 3 | 13.8 | 7 |
| August | 21 | 22 | 28 | 10 | 9 | 3 | 12.3 | 7 |
| September | 17 | 20 | 23 | 6 | 20 | 4 | 10.5 | 7 |
| October | 11 | 14 | 15 | 1 | 48 | 8 | 7.8 | 8 |
| November | 4 | 7 | 7 | -3 | 87 | 14 | 4.8 | 8 |
| December | Ice | — | 2 | -6 | 129 | 16 | 3.5 | 8 |
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 4 months before flowing out.
- Its catchment drains 9,584 km² of land.
- About 55 m³ of water flow out every second, on average.
- Its shoreline is 3.0 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Upper Klamath Lake
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 2campsites
Odessa Campground, Harriman
- —boat hire and water-sport clubs
- 9marinas and slipways
Wocus Bay Boat Launch, Rocky Point Public Boat Ramp and 7 more
- —ferry piers
- 1viewpoints
- 4hotels, B&Bs and chalets
Oregon Motel 8 & RV Park, Super 8, Americas Best Value Inn
- —fishing spots
- 2restaurants and cafés
Towns on the shore
- Klamath Falls21,399 people
Nearest airport with scheduled flights: Rogue Valley International-Medford Airport (MFR), 81 km in a straight line.
Car hire at LMT airport (Klamath 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 | 2.5 | 4.3 | 7.4 | 10.9 | 16.5 | 21.5 | 28.5 | 27.7 | 23.0 | 15.0 | 6.8 | 1.9 |
| 2020 | −0.9 | +0.9 | −0.4 | +1.9 | +0.6 | −0.9 | −0.3 | +0.8 | +2.8 | +3.6 | −1.0 | +0.7 |
| 2021 | +0.5 | −1.3 | −0.8 | +3.1 | +2.0 | +5.2 | +3.0 | +1.0 | +0.6 | −1.8 | +0.7 | −0.1 |
| 2022 | +1.0 | +2.9 | +2.2 | −2.3 | −2.5 | −0.5 | +2.0 | +2.4 | +2.3 | +4.8 | −2.7 | −1.2 |
| 2023 | −0.3 | −1.1 | −5.5 | −1.0 | +1.5 | +0.4 | +1.1 | +0.4 | −2.0 | +0.7 | +0.8 | +2.6 |
| 2024 | +0.3 | +0.2 | −1.4 | +0.3 | −0.2 | +0.6 | +2.9 | −0.9 | +1.1 | +1.6 | −2.2 | +1.6 |
| 2025 | +1.6 | −2.6 | −0.5 | +2.5 | +0.7 | +1.3 | −0.5 | ±0.0 | +0.8 | −1.7 | +3.3 | +4.5 |
+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 (Q1972978) · 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.
