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 temperature map of the Danube
Water temperature in the Danube by city today 📍
| City | Now | Swimming |
|---|---|---|
| Vienna | +24° | Warm water |
| Budapest | +22° | Comfortable for swimming |
| Belgrade | +23° | Warm water |
| Bratislava | +24° | Warm water |
| Offenberg | +23° | Comfortable for swimming |
| Vizent | +23° | Warm water |
| Irlbakh | +23° | Warm water |
| Adon | +24° | Warm water |
| Loosdorf | +23° | Warm water |
| Kirkhrot | +23° | Warm water |
| Knichanin | +24° | Warm water |
| Khaynburg | +23° | Warm water |
| Khyufingen | +22° | Comfortable for swimming |
| Tsaytlarn | +23° | Comfortable for swimming |
| Pilishmarot | +23° | Comfortable for swimming |
| Izha | +24° | Warm water |
| Neu-Ulm | +22° | Comfortable for swimming |
| Shtefansposhing | +23° | Warm water |
| Golubats | +24° | Warm water |
| Alkofen | +24° | Warm water |
| Oltenitsa | +25° | Warm water |
| Offingen | +23° | Comfortable for swimming |
| Altenberg-Lints | +23° | Warm water |
| Shvertberg | +23° | Warm water |
| Sankt-Falentin | +24° | Warm water |
| Gundelfingen-na-Dunae | +21° | Comfortable for swimming |
| Mariaposhing | +23° | Warm water |
| Shyutte | +23° | Comfortable for swimming |
| Altenfelden | +23° | Warm water |
| Giurgiu | +24° | Warm water |
| Khekhshtedt-na-Dunae | +22° | Comfortable for swimming |
| Dunaedkhaza | +24° | Warm water |
| Gorny Bar | +24° | Warm water |
| Munderkingen | +22° | Comfortable for swimming |
| Lauingen | +21° | Comfortable for swimming |
| Nidervinkling | +23° | Comfortable for swimming |
| Chelarevo | +24° | Warm water |
| Bizamberg | +23° | Warm water |
| Regensburg | +22° | Comfortable for swimming |
| Novo-Selo | +24° | Warm water |
🎣 Fishing in cities on the Danube
Water temperature forecast in the Danube 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Danube this weekend
Water temperature in the Danube for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +28° in summer. The monthly normal is below.
Monthly water temperature in the Danube 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +8 | +9 | +13 | +16 | +20 | +26 | +28 | +25 | +22 | +20 | +14 | +9 |
Climate normal (model estimate).
Swimming conditions in the Danube by month
When to swim in the Danube 🏖️
Cities on the Danube 📍
FAQ about water in the Danube ❓
What is the water temperature in the Danube now?
Now +25° — Warm water.
Can you swim in the Danube?
Comfortable season — from May to October.
When is water warmest in the Danube?
Warmest in July — up to +28°.
Where does the water temperature data come from?
A water temperature model (by latitude, longitude and day of year), by cities.
Water temperature archive in the Danube on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Vienna | +26° | +25° | +24° | +24° | +25° | +26° | +27° | +25° | +25° | +24° |
| Budapest | +24° | +23° | +22° | +23° | +23° | +24° | +25° | +23° | +23° | +22° |
| Belgrade | +25° | +24° | +23° | +23° | +24° | +25° | +26° | +24° | +24° | +23° |
| Bratislava | +26° | +25° | +24° | +24° | +25° | +26° | +26° | +25° | +25° | +24° |
| Offenberg | +25° | +24° | +23° | +23° | +24° | +25° | +25° | +24° | +23° | +23° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Danube — in detail
Water temperature in the Danube is tracked across 377 cities. The water is now about +25°. The page has a temperature map by city, a daily forecast and a monthly climate normal.