Lake · Finland
Pyhäjärvi
Lake in Säkylä, Eura and Pöytyä, Finland
- Area
- 153km²
- Average depth
- 21m
- Elevation
- 26m a.s.l.
- Shoreline
- 76km
- Volume
- 3.2km³
Pyhäjärvi is a lake in Finland. It covers 153 km². On average it is 21 m deep. Its surface lies 26 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Pyhäjärvi?
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 133 days a year, from around 21 November to 2 April.
On the shore, afternoons reach 22 °C on average in July and -3 °C in January. The driest month is March (40 mm of rain), the wettest October (75 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (122 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 | — | -3 | -8 | 57 | 13 | 0.4 | 9 |
| February | Ice | — | -3 | -9 | 45 | 11 | 2.0 | 9 |
| March | Ice | — | 1 | -6 | 40 | 10 | 5.1 | 9 |
| April | 3 | 7 | 8 | -1 | 41 | 10 | 6.6 | 9 |
| May | 11 | 14 | 15 | 5 | 51 | 10 | 8.3 | 8 |
| June | 17 | 19 | 19 | 9 | 72 | 12 | 8.4 | 8 |
| July | 20 | 20 | 22 | 13 | 72 | 14 | 8.0 | 8 |
| August | 19 | 20 | 20 | 12 | 74 | 13 | 6.7 | 8 |
| September | 14 | 17 | 15 | 8 | 66 | 11 | 4.1 | 8 |
| October | 8 | 12 | 8 | 2 | 75 | 14 | 1.8 | 8 |
| November | 2 | 4 | 2 | -1 | 68 | 14 | 0.1 | 9 |
| December | Ice | — | -1 | -5 | 66 | 14 | 0.1 | 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 63 years before flowing out.
- Its catchment drains 162 km² of land.
- About 1.6 m³ of water flow out every second, on average.
Around the shore
What's around Pyhäjärvi
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 11beaches and swimming spots
Kalikan virkistysalue ja saunat, Uimaranta, Lohiluoma, Kalikka - Pyhäjärvi uimaranta and 7 more
- 7campsites
Kallionokka, SF-C Valasranta, Kekkosplassi, SF- C Valasranta, Kristalliranta and 2 more
- —boat hire and water-sport clubs
- 3marinas and slipways
Kauttuan Möljä, Säkylän veneramppi
- —ferry piers
- 1viewpoints
- 4hotels, B&Bs and chalets
Kauttuan Ruukinkartano, Kristalliranta, Villa Majatalot, Hotel Kauttua
- —fishing spots
- 15restaurants and cafés
Towns on the shore
- Säkylä6,237 people
- Yläne2,148 people
Nearest airport with scheduled flights: Turku Airport (TKU), 53 km in a straight line.
Car hire at TMP airport (Tampere / Pirkkala)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 | -3.3 | -2.9 | 1.3 | 8.3 | 14.9 | 18.8 | 21.9 | 20.2 | 15.0 | 7.7 | 2.5 | -1.0 |
| 2020 | +6.0 | +4.9 | +2.2 | −0.9 | −2.5 | +4.0 | −2.7 | +0.6 | +0.9 | +2.1 | +3.1 | +1.5 |
| 2021 | −1.4 | −2.0 | +1.3 | −0.4 | −0.9 | +4.4 | +2.1 | −1.5 | −2.1 | +2.0 | +0.2 | −3.6 |
| 2022 | +1.2 | +1.7 | +2.5 | −1.1 | −1.4 | +2.2 | −0.9 | +2.1 | −1.7 | +2.8 | +0.4 | −2.2 |
| 2023 | +2.3 | +2.4 | −0.9 | +1.0 | −0.1 | +2.4 | −1.3 | +0.3 | +2.9 | −1.5 | −3.1 | −4.2 |
| 2024 | −3.0 | +0.4 | +1.6 | −2.2 | +4.1 | +1.7 | −0.1 | +0.9 | +2.3 | +2.5 | +1.2 | +1.9 |
| 2025 | +2.9 | +2.1 | +3.6 | +1.0 | −1.9 | −1.0 | +2.4 | −1.6 | +2.1 | +1.3 | +2.0 | +3.6 |
+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 (Q1635550) · 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.
