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 Roter-Mayn
Water temperature in the Roter-Mayn by city today 📍
| City | Now | Swimming |
|---|---|---|
| Turnau | +16° | Cool for swimming |
| Kharsdorf | +16° | Cool for swimming |
| Noydrossenfeld | +16° | Cool for swimming |
| Bayreuth | +16° | Cool for swimming |
| Kroyssen | +17° | Cool for swimming |
| Bindlakh | +16° | Cool for swimming |
| Emtmansberg | +17° | Cool for swimming |
| Kazendorf | +16° | Cool for swimming |
| Maynleys | +16° | Cool for swimming |
| Kulmbach | +16° | Cool for swimming |
🎣 Fishing in cities on the Roter-Mayn
Water temperature forecast in the Roter-Mayn 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Roter-Mayn this weekend
Water temperature in the Roter-Mayn for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +19° in summer. The monthly normal is below.
Monthly water temperature in the Roter-Mayn 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +3 | +4 | +7 | +9 | +12 | +17 | +19 | +16 | +14 | +13 | +8 | +4 |
Climate normal (model estimate).
Swimming conditions in the Roter-Mayn by month
When to swim in the Roter-Mayn 🏖️
Cities on the Roter-Mayn 📍
FAQ about water in the Roter-Mayn ❓
What is the water temperature in the Roter-Mayn now?
Now +16° — Cool for swimming.
Can you swim in the Roter-Mayn?
Comfortable season — June and July.
When is water warmest in the Roter-Mayn?
Warmest in July — up to +19°.
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 Roter-Mayn on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Turnau | +16° | +16° | +16° | +16° | +17° | +17° | +16° | +16° | +16° | +16° |
| Kharsdorf | +16° | +15° | +15° | +16° | +16° | +16° | +16° | +15° | +15° | +16° |
| Noydrossenfeld | +16° | +15° | +15° | +16° | +16° | +16° | +16° | +15° | +15° | +16° |
| Bayreuth | +16° | +16° | +16° | +16° | +17° | +17° | +16° | +16° | +16° | +16° |
| Kroyssen | +17° | +17° | +17° | +17° | +18° | +18° | +17° | +17° | +17° | +17° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Roter-Mayn — in detail
Water temperature in the Roter-Mayn is tracked across 10 cities. The water is now about +16°. The page has a temperature map by city, a daily forecast and a monthly climate normal.