Reservoir · India
Umiam Lake
Lake in India
- Area
- 7.6km²
- Average depth
- 24m
- Elevation
- 978m a.s.l.
- Shoreline
- 32km
- Volume
- 0.183km³
Umiam Lake is a reservoir in India. It covers 7.6 km². On average it is 24 m deep. Its surface lies 978 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Umiam Lake?
The water is warmest in July, around 26 °C at the surface, and coldest in January, around 16 °C. The surface averages 20 °C or more from April to November: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 25 °C on average in August and 17 °C in January. The driest month is January (9 mm of rain), the wettest July (586 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (149 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 | 16 | 16 | 17 | 5 | 9 | 2 | 6.9 | 7 |
| February | 17 | 18 | 19 | 7 | 29 | 4 | 7.2 | 8 |
| March | 20 | 21 | 22 | 11 | 82 | 8 | 7.2 | 10 |
| April | 23 | 24 | 24 | 15 | 318 | 19 | 6.2 | 10 |
| May | 24 | 25 | 25 | 17 | 419 | 25 | 4.9 | 10 |
| June | 26 | 26 | 25 | 19 | 574 | 27 | 2.8 | 12 |
| July | 26 | 26 | 25 | 20 | 586 | 29 | 2.6 | 12 |
| August | 26 | 26 | 25 | 20 | 446 | 29 | 3.6 | 10 |
| September | 25 | 25 | 24 | 18 | 355 | 24 | 3.8 | 8 |
| October | 24 | 24 | 23 | 15 | 192 | 12 | 6.0 | 6 |
| November | 21 | 22 | 20 | 10 | 18 | 2 | 7.7 | 6 |
| December | 18 | 19 | 18 | 7 | 15 | 1 | 7.3 | 6 |
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 2 months before flowing out.
- Its catchment drains 240 km² of land.
- About 33 m³ of water flow out every second, on average.
- Its shoreline is 3.2 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Umiam Lake
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- —campsites
- —boat hire and water-sport clubs
- —marinas and slipways
- —ferry piers
- 1viewpoints
- 5hotels, B&Bs and chalets
Orchid Lake Resort, Ri Kynjai, SAT-COMM Boys Hostel, Director's Old Bunglow, RJ Homestay
- —fishing spots
- 1restaurants and cafés
Towns on the shore
- Mawlai-Mawïong55,012 people
Nearest airport with scheduled flights: Shillong Airport (SHL), 10 km in a straight line.
Car hire at CCU airport (Kolkata)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 | 16.7 | 18.8 | 22.0 | 23.8 | 24.8 | 25.0 | 25.0 | 25.2 | 24.5 | 23.3 | 20.5 | 17.6 |
| 2020 | −0.9 | −1.0 | −0.7 | −0.7 | −0.5 | −0.7 | −0.6 | +0.2 | +0.2 | +1.3 | +0.4 | −0.1 |
| 2021 | +0.3 | +0.2 | +0.4 | +0.5 | −0.5 | −0.3 | +0.2 | −0.8 | +0.9 | +0.7 | −0.5 | ±0.0 |
| 2022 | −0.7 | −2.7 | +1.1 | −0.4 | −0.8 | −1.3 | +0.6 | +0.7 | ±0.0 | −0.2 | ±0.0 | +0.2 |
| 2023 | +0.4 | −0.1 | −0.8 | +0.3 | +0.1 | +0.6 | +0.8 | +0.4 | +1.2 | ±0.0 | +0.4 | +0.5 |
| 2024 | −0.9 | −1.4 | −0.9 | +0.9 | +0.4 | +0.4 | +1.0 | −0.3 | +1.7 | −0.1 | +0.1 | −0.3 |
| 2025 | +0.2 | −0.7 | −0.3 | ±0.0 | −0.1 | +0.6 | +0.5 | −0.6 | +0.9 | +0.9 | +0.1 | −0.1 |
+1 warmer than usual −1 cooler than usual
Bangladesh
ChinaAbout 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 (Q4475482) · 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.
