Home / San-Sebastyan / Water temperature
Water temperature in San-Sebastyan today
by 1 water bodies
+25°
Warm water
Celtic Sea
Кельтское море🏊 Swim from June to October🌊 wave 0.8 m
Warm water. Now +25°. Swimming season — from June to October.
Water bodies in San-Sebastyan 🌊
Map of water bodies in San-Sebastyan
ColderWarmerpoint → water body page
Water temperature in San-Sebastyan for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +19°. The monthly normal is below.
Monthly water temperature in San-Sebastyan 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +8 | +10 | +9 | +11 | +13 | +17 | +18 | +19 | +19 | +17 | +13 | +10 |
Climate normal (model estimate).
Water temperature archive in San-Sebastyan on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +27° | +26° | +26° | +26° | +27° | +27° | +27° | +26° | +26° | +26° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in San-Sebastyan 🏖️
🏖️
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 San-Sebastyan ❓
What is the water temperature in San-Sebastyan now?
Now +25° — Warm water.
When to swim in San-Sebastyan?
Comfortable season — from June to October.
When is the water in San-Sebastyan warmest?
Warmest in August — up to +19°.
What bodies of water are there in San-Sebastyan?
Celtic Sea.
Water temperature in San-Sebastyan — in detail
A summary page of water temperature across all bodies of water in San-Sebastyan: Celtic Sea. Now about +25°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.