
Lake · Sweden
Helgasjön
Lake in Växjö Municipality, Kronoberg County, Sweden
- Area
- 48.4km²
- Max depth
- 25m
- Average depth
- 11m
- Elevation
- 161m a.s.l.
- Shoreline
- 122km
- Volume
- 0.529km³
Helgasjön is a lake in Sweden. It covers 48.4 km². On average it is 11 m deep, and 25 m at its deepest point. Its surface lies 161 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Helgasjön?
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 July to August: comfortable for most swimmers.
The lake usually freezes over for about 66 days a year, from around 25 December to 28 February.
On the shore, afternoons reach 21 °C on average in July and 0 °C in January. The driest month is April (40 mm of rain), the wettest July (108 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (87 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 | -5 | 60 | 14 | 0.3 | 9 |
| February | Ice | — | 0 | -5 | 50 | 13 | 1.8 | 9 |
| March | 2 | 4 | 4 | -3 | 46 | 12 | 4.9 | 9 |
| April | 6 | 9 | 10 | 1 | 40 | 10 | 7.1 | 8 |
| May | 13 | 16 | 16 | 6 | 64 | 13 | 8.1 | 8 |
| June | 19 | 21 | 19 | 10 | 85 | 15 | 8.6 | 8 |
| July | 22 | 22 | 21 | 12 | 108 | 16 | 7.6 | 8 |
| August | 20 | 22 | 20 | 12 | 91 | 17 | 6.4 | 8 |
| September | 15 | 18 | 16 | 8 | 65 | 14 | 5.0 | 8 |
| October | 9 | 12 | 10 | 4 | 80 | 15 | 2.4 | 9 |
| November | 4 | 6 | 4 | 1 | 74 | 16 | 0.6 | 8 |
| December | 1 | 2 | 1 | -3 | 67 | 16 | 0.1 | 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 16 months before flowing out.
- Its catchment drains 1,311 km² of land.
- About 12 m³ of water flow out every second, on average.
- Its shoreline is 5.0 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Helgasjön
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 22beaches and swimming spots
Öjaby badplats, Araby badplats, Ryttartorpets badplats, Dalbostrand, Skälsnäs Badplats and 17 more
- 8campsites
Stora Pene scoutstuga / Växjö scoutkårs lägerområde, Ekna Naturcamping, Evedals Camping, Öjaby Camping, Nordländer i Åby Camping-Fiske-Logi and 3 more
- 3boat hire and water-sport clubs
Kayakomat, evedalscamping
- —marinas and slipways
- —ferry piers
- —viewpoints
- 4hotels, B&Bs and chalets
Öjaby Herrgård, Scandic Växjö, STF Vandrarhem Växjö/Evedal, Villa Vik
- —fishing spots
- 14restaurants and cafés
Nearest airport with scheduled flights: Växjö Kronoberg Airport (VXO), 4 km in a straight line.
OpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Photos
Seen by visitors
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 | -0.5 | 0.3 | 3.9 | 10.3 | 15.7 | 19.1 | 21.2 | 20.0 | 15.7 | 9.6 | 4.5 | 1.1 |
| 2020 | +4.8 | +3.6 | +1.6 | +1.1 | −2.0 | +2.9 | −1.9 | +2.7 | +1.6 | +1.0 | +2.5 | +1.5 |
| 2021 | −0.8 | −1.6 | +1.0 | −1.8 | −1.9 | +3.7 | +2.7 | −1.1 | +0.4 | +1.2 | +0.8 | −2.4 |
| 2022 | +2.4 | +2.0 | +2.5 | −0.7 | −0.5 | +1.8 | +0.5 | +3.0 | −0.4 | +2.7 | +1.5 | −1.7 |
| 2023 | +2.5 | +1.8 | −0.5 | −0.7 | +1.2 | +3.2 | −1.7 | −0.5 | +3.3 | +0.4 | −1.7 | −1.0 |
| 2024 | −1.1 | +2.0 | +1.6 | −1.1 | +3.7 | −0.1 | −0.7 | +0.9 | +2.2 | +1.8 | +0.8 | +2.3 |
| 2025 | +2.0 | +0.7 | +3.2 | +3.0 | −1.3 | +0.1 | +1.7 | +0.2 | +1.8 | +0.8 | +0.1 | +2.3 |
+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 (Q1474746) · 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.


