
Lake · Finland
Lake Evijärvi
Lake in Evijärvi, Finland
- Area
- 27.7km²
- Average depth
- 6.2m
- Elevation
- 58m a.s.l.
- Shoreline
- 81km
- Volume
- 0.173km³
Lake Evijärvi is a lake in Finland. It covers 27.7 km². On average it is 6.2 m deep. Its surface lies 58 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Evijärvi?
The water is warmest in July, around 21 °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 153 days a year, from around 5 November to 6 April.
On the shore, afternoons reach 21 °C on average in July and -6 °C in January. The driest month is March (41 mm of rain), the wettest July (92 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (100 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 | — | -6 | -11 | 53 | 13 | 0.3 | 10 |
| February | Ice | — | -6 | -11 | 42 | 11 | 2.4 | 10 |
| March | Ice | — | -1 | -8 | 41 | 11 | 5.6 | 10 |
| April | 2 | 6 | 6 | -2 | 50 | 10 | 7.3 | 9 |
| May | 10 | 14 | 13 | 4 | 68 | 12 | 9.0 | 8 |
| June | 17 | 20 | 17 | 9 | 70 | 14 | 9.6 | 8 |
| July | 21 | 21 | 21 | 12 | 92 | 16 | 8.7 | 7 |
| August | 19 | 21 | 19 | 11 | 91 | 15 | 7.0 | 7 |
| September | 13 | 16 | 13 | 7 | 76 | 13 | 4.3 | 8 |
| October | 5 | 9 | 6 | 1 | 78 | 15 | 1.6 | 8 |
| November | Ice | — | 0 | -3 | 69 | 15 | 0.2 | 9 |
| December | Ice | — | -3 | -7 | 63 | 15 | 0.0 | 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 4 months before flowing out.
- Its catchment drains 1,894 km² of land.
- About 15 m³ of water flow out every second, on average.
- Its shoreline is 4.4 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Lake Evijärvi
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 2beaches and swimming spots
Sillankorvan uimaranta
- 2campsites
Sillankorvan leirintäalue, Kokkolahden leirikeskus
- —boat hire and water-sport clubs
- 1marinas and slipways
- —ferry piers
- 3viewpoints
Evijärven lintutorni, Tarkkailulava
- —hotels, B&Bs and chalets
- —fishing spots
- 3restaurants and cafés
Towns on the shore
- Evijärvi2,262 people
Nearest airport with scheduled flights: Kokkola-Pietarsaari Airport (KOK), 39 km in a straight line.
Car hire at KOK airport (Kokkola / Kruunupyy)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 | -5.9 | -5.6 | -1.3 | 5.9 | 13.0 | 17.4 | 20.6 | 18.6 | 13.2 | 5.5 | 0.3 | -3.3 |
| 2020 | +5.9 | +4.9 | +2.5 | −1.5 | −2.3 | +4.2 | −2.2 | +0.2 | +0.8 | +1.8 | +3.1 | +1.2 |
| 2021 | −2.8 | −2.5 | ±0.0 | ±0.0 | −1.3 | +4.1 | +2.3 | −1.3 | −2.3 | +1.9 | −0.1 | −2.8 |
| 2022 | +1.2 | +2.2 | +1.7 | −0.8 | −0.5 | +2.2 | −0.2 | +1.7 | −1.6 | +2.5 | −0.6 | −1.7 |
| 2023 | +2.5 | +2.5 | −1.3 | −1.2 | +0.5 | +2.2 | −1.1 | +1.1 | +2.8 | −2.0 | −4.2 | −4.4 |
| 2024 | −3.3 | ±0.0 | +0.8 | −3.3 | +3.6 | +2.7 | +0.7 | +1.7 | +2.7 | +2.5 | +1.6 | +0.8 |
| 2025 | +2.0 | +3.0 | +4.1 | +1.5 | −1.2 | −0.8 | +3.3 | −0.5 | +2.8 | +2.1 | +1.7 | +3.1 |
+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 (Q593020) · 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.

