Lake · Norway
Randsfjorden
Lake in Gran, Innlandet, Norway
- Area
- 139km²
- Max depth
- 120m
- Average depth
- 61m
- Elevation
- 125m a.s.l.
- Shoreline
- 201km
- Volume
- 8.5km³
Randsfjorden is a lake in Norway. It covers 139 km². On average it is 61 m deep, and 120 m at its deepest point. Its surface lies 125 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Randsfjorden?
The water is warmest in July, around 18 °C at the surface, and coldest in March, around 0 °C. It rarely averages 20 °C, but it stays above 17 °C from July to August: brisk, refreshing swimming.
It does not normally freeze in winter.
On the shore, afternoons reach 19 °C on average in July and -5 °C in January. The driest month is February (66 mm of rain), the wettest August (143 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (101 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 | 2 | 2 | -5 | -11 | 89 | 14 | 0.6 | 8 |
| February | 0 | 1 | -4 | -10 | 66 | 12 | 2.4 | 7 |
| March | 0 | 1 | 0 | -7 | 66 | 12 | 5.2 | 7 |
| April | 2 | 4 | 6 | -2 | 69 | 12 | 6.6 | 7 |
| May | 7 | 10 | 13 | 4 | 115 | 14 | 7.3 | 7 |
| June | 13 | 16 | 17 | 8 | 117 | 15 | 8.7 | 7 |
| July | 18 | 19 | 19 | 11 | 139 | 18 | 7.6 | 6 |
| August | 18 | 19 | 18 | 10 | 143 | 17 | 6.2 | 7 |
| September | 14 | 16 | 13 | 6 | 110 | 14 | 4.7 | 7 |
| October | 9 | 11 | 6 | 0 | 118 | 16 | 2.4 | 7 |
| November | 5 | 7 | 0 | -5 | 107 | 16 | 0.8 | 7 |
| December | 3 | 4 | -4 | -10 | 87 | 14 | 0.4 | 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 4.3 years before flowing out.
- Its catchment drains 3,740 km² of land.
- About 62 m³ of water flow out every second, on average.
- Its shoreline is 4.8 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Randsfjorden
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 13beaches and swimming spots
Ulsnestangen, Eidsand Badeplass, Haugerstranda, Skutelandet and 9 more
- 6campsites
Hadeland Camping, Lyngstrand Camping, Odnes Camping, Sløvika camping and 2 more
- —boat hire and water-sport clubs
- 7marinas and slipways
Brandbu småbåtforening and 6 more
- 2ferry piers
Tangen ferjekai, Horn ferjekai
- 8viewpoints
Fulgetårnet i Røykenvik and 7 more
- 4hotels, B&Bs and chalets
Bjørnen, Granum gård, Solvik, Thorbjørnrud Hotel
- —fishing spots
- 8restaurants and cafés
Towns on the shore
- Jevnaker4,308 people
- Hov2,054 people
Nearest airport with scheduled flights: Oslo-Gardermoen International Airport (OSL), 44 km in a straight line.
Car hire at OSL airport (Oslo)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 | -5.1 | -4.0 | -0.4 | 5.7 | 12.9 | 17.2 | 19.3 | 17.5 | 13.0 | 5.7 | -0.2 | -4.3 |
| 2020 | +4.5 | +2.4 | +0.6 | +1.1 | −1.4 | +3.2 | −3.1 | +1.5 | +0.3 | +1.0 | +3.3 | +2.6 |
| 2021 | −3.5 | −2.7 | +0.8 | −1.0 | −1.5 | +2.8 | +2.0 | −0.4 | +0.6 | +2.2 | +0.5 | −1.7 |
| 2022 | +2.5 | +2.2 | +1.2 | +1.9 | ±0.0 | +1.4 | −0.5 | +1.3 | −0.7 | +1.9 | +2.6 | −3.0 |
| 2023 | +0.6 | +2.1 | −1.8 | −4.2 | +0.8 | +4.0 | −1.8 | −0.1 | +2.1 | −0.8 | −4.0 | −3.8 |
| 2024 | −1.2 | +0.3 | +0.1 | −3.7 | +5.1 | −0.3 | −1.0 | ±0.0 | +1.4 | +2.3 | +1.2 | +2.2 |
| 2025 | +0.5 | +0.3 | +2.1 | +5.3 | +0.8 | −0.4 | +2.8 | −0.1 | +0.7 | +1.6 | +1.8 | +3.4 |
+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 (Q545033) · 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.
