This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Water bodies in Sunn 🌊
Map of water bodies in Sunn
Water temperature in Sunn for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +17°. The monthly normal is below.
Monthly water temperature in Sunn 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +1 | +2 | +2 | +6 | +10 | +16 | +17 | +17 | +16 | +11 | +7 | +3 |
Climate normal (model estimate).
Water temperature archive in Sunn on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +18° | +19° | +19° | +19° | +19° | +18° | +18° | +18° | +19° | +20° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Sunn 🏖️
Where else to swim nearby 🏝️
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FAQ about water in Sunn ❓
What is the water temperature in Sunn now?
Now +20° — Comfortable for swimming.
When to swim in Sunn?
Comfortable season — July and August.
When is the water in Sunn warmest?
Warmest in July — up to +17°.
What bodies of water are there in Sunn?
Baltic Sea.
Water temperature in Sunn — in detail
A summary page of water temperature across all bodies of water in Sunn: Baltic Sea. Now about +20°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.