Lake · Sweden
Bolmen
Lake in Gislaved Municipality, Kronoberg County, Sweden
- Area
- 173km²
- Max depth
- 36m
- Average depth
- 15m
- Elevation
- 141m a.s.l.
- Shoreline
- 326km
- Volume
- 2.7km³
Bolmen is a lake in Sweden. It covers 173 km². On average it is 15 m deep, and 36 m at its deepest point. Its surface lies 141 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Bolmen?
The water is warmest in July, around 20 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more in July: comfortable for most swimmers.
The lake usually freezes over for about 64 days a year, from around 3 January to 7 March.
On the shore, afternoons reach 21 °C on average in July and 0 °C in January. The driest month is April (49 mm of rain), the wettest July (113 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (83 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 | — | 0 | -4 | 79 | 16 | 0.3 | 10 |
| February | Ice | — | 0 | -5 | 62 | 14 | 1.8 | 10 |
| March | 1 | 3 | 4 | -3 | 55 | 12 | 4.5 | 10 |
| April | 6 | 9 | 10 | 1 | 49 | 11 | 6.7 | 9 |
| May | 13 | 16 | 16 | 6 | 72 | 13 | 7.9 | 9 |
| June | 18 | 20 | 19 | 10 | 97 | 16 | 8.3 | 9 |
| July | 20 | 20 | 21 | 12 | 113 | 16 | 7.4 | 8 |
| August | 19 | 20 | 20 | 12 | 108 | 17 | 6.1 | 8 |
| September | 15 | 17 | 16 | 9 | 76 | 15 | 4.9 | 9 |
| October | 10 | 13 | 10 | 4 | 96 | 16 | 2.4 | 9 |
| November | 6 | 8 | 5 | 1 | 85 | 16 | 0.6 | 9 |
| December | 2 | 4 | 1 | -2 | 86 | 17 | 0.2 | 10 |
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 3.4 years before flowing out.
- Its catchment drains 1,638 km² of land.
- About 25 m³ of water flow out every second, on average.
- Its shoreline is 7.0 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Bolmen
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 28beaches and swimming spots
Mjälen, Odensjö Badplats and 26 more
- 6campsites
Kvarnholmen, Campsite without service, Bolmens Camping, Lökna Husvagnscamping och Stugby and 2 more
- 2boat hire and water-sport clubs
Bolmen Marin & Fritid / Bolmens Camping
- 10marinas and slipways
Bolmstad Hamnförening, Bolmens Hamnförening and 8 more
- 2ferry piers
Sunnaryd, Bolmsö
- —viewpoints
- 52hotels, B&Bs and chalets
Bed & Breakfast Strandhem, Bolmem Bed, Hägern Bed and Nature Rum & Camping, Dannäs Väffelcafe Bed&Breakfast and 48 more
- —fishing spots
- 6restaurants and cafés
Nearest airport with scheduled flights: Halmstad Airport (HAD), 57 km in a straight line.
Car hire at MMX airport (Malmö)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 | -0.3 | 0.4 | 4.0 | 10.4 | 15.6 | 18.9 | 20.9 | 19.8 | 15.8 | 9.8 | 4.8 | 1.4 |
| 2020 | +5.0 | +3.8 | +1.5 | +0.5 | −1.9 | +2.8 | −2.7 | +2.1 | +0.9 | +0.9 | +2.5 | +1.3 |
| 2021 | −1.1 | −1.8 | +0.7 | −1.7 | −1.7 | +2.8 | +2.4 | −1.3 | +0.4 | +1.1 | +1.1 | −2.7 |
| 2022 | +2.6 | +2.3 | +2.4 | −0.5 | −0.7 | +1.1 | −0.1 | +2.3 | −0.7 | +2.4 | +1.6 | −2.0 |
| 2023 | +2.7 | +2.4 | −0.3 | −0.3 | +1.1 | +3.1 | −2.1 | −0.9 | +2.9 | +0.3 | −1.8 | −1.2 |
| 2024 | −1.0 | +2.2 | +2.0 | −0.9 | +3.9 | −0.4 | −0.8 | +0.8 | +2.0 | +1.8 | +0.9 | +2.1 |
| 2025 | +1.9 | +0.8 | +3.1 | +3.0 | −1.2 | −0.3 | +1.8 | −0.2 | +1.5 | +0.9 | ±0.0 | +2.2 |
+1 warmer than usual −1 cooler than usual
DenmarkAbout 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 (Q891521) · 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.
