Warm water. Now +24°. Swimming season — from June to October.
Water bodies in Koper 🌊
Map of water bodies in Koper
ColderWarmerpoint → water body page
Water temperature in Koper for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +24°. The monthly normal is below.
Monthly water temperature in Koper 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +9 | +10 | +9 | +12 | +16 | +21 | +24 | +24 | +22 | +18 | +15 | +10 |
Climate normal (model estimate).
Water temperature archive in Koper on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +26° | +27° | +27° | +27° | +27° | +26° | +26° | +27° | +27° | +28° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Koper 🏖️
🏖️
Best to swim in from June to October, when the water warms to +17° and above.
Where else to swim nearby 🏝️
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FAQ about water in Koper ❓
What is the water temperature in Koper now?
Now +24° — Warm water.
When to swim in Koper?
Comfortable season — from June to October.
When is the water in Koper warmest?
Warmest in July — up to +24°.
What bodies of water are there in Koper?
Adriatic Sea, Mediterranean Sea.
Water temperature in Koper — in detail
A summary page of water temperature across all bodies of water in Koper: Adriatic Sea, Mediterranean Sea. Now about +24°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.