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 Lake Baikal
Water temperature in Lake Baikal by city today 📍
| City | Now | Swimming |
|---|---|---|
| Angarsk | +22° | Comfortable for swimming |
| Irkutsk | +23° | Warm water |
| Usol'ye-Sibirskoye | +23° | Comfortable for swimming |
| Shelekhov | +22° | Comfortable for swimming |
| Ulan-Ude | +21° | Comfortable for swimming |
🎣 Fishing in cities on Lake Baikal
Water temperature forecast in Lake Baikal 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in Lake Baikal this weekend
Water temperature in Lake Baikal for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +25° in summer. The monthly normal is below.
Monthly water temperature in Lake Baikal 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +3 | +6 | +7 | +11 | +20 | +24 | +23 | +25 | +24 | +18 | +11 | +8 |
Climate normal (model estimate).
Swimming conditions in Lake Baikal by month
When to swim in Lake Baikal 🏖️
Cities on Lake Baikal 📍
FAQ about water in Lake Baikal ❓
What is the water temperature in Lake Baikal now?
Now +23° — Comfortable for swimming.
Can you swim in Lake Baikal?
Comfortable season — from May to October.
When is water warmest in Lake Baikal?
Warmest in August — up to +25°.
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 Lake Baikal on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Angarsk | +20° | +19° | +20° | +23° | +24° | +23° | +21° | +19° | +20° | +22° |
| Irkutsk | +21° | +20° | +21° | +24° | +26° | +25° | +22° | +20° | +21° | +23° |
| Usol'ye-Sibirskoye | +21° | +20° | +21° | +24° | +25° | +24° | +22° | +19° | +20° | +23° |
| Shelekhov | +20° | +19° | +20° | +23° | +24° | +23° | +21° | +19° | +20° | +22° |
| Ulan-Ude | +19° | +18° | +19° | +22° | +23° | +22° | +20° | +18° | +19° | +21° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in Lake Baikal — in detail
Water temperature in Lake Baikal is tracked across 5 cities. The water is now about +23°. The page has a temperature map by city, a daily forecast and a monthly climate normal.