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 Selenga
Water temperature in the Selenga by city today 📍
| City | Now | Swimming |
|---|---|---|
| Ilinka | +22° | Comfortable for swimming |
| Naushki | +22° | Comfortable for swimming |
| Nizhniy Sayantuy | +21° | Comfortable for swimming |
| Selenduma | +23° | Comfortable for swimming |
| Sotnikovo | +20° | Comfortable for swimming |
| Tataurovo | +21° | Comfortable for swimming |
| Sokol | +22° | Comfortable for swimming |
| Sayantuy | +21° | Comfortable for swimming |
| Zarechnyy | +21° | Comfortable for swimming |
| Kabansk | +21° | Comfortable for swimming |
| Selenginsk | +22° | Comfortable for swimming |
| Tarbagatay | +21° | Comfortable for swimming |
| Ulan-Ude | +20° | Comfortable for swimming |
🎣 Fishing in cities on the Selenga
Water temperature forecast in the Selenga 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Selenga this weekend
Water temperature in the Selenga for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +24° in summer. The monthly normal is below.
Monthly water temperature in the Selenga 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +3 | +4 | +8 | +12 | +15 | +22 | +24 | +21 | +18 | +16 | +9 | +4 |
Climate normal (model estimate).
Swimming conditions in the Selenga by month
When to swim in the Selenga 🏖️
Cities on the Selenga 📍
FAQ about water in the Selenga ❓
What is the water temperature in the Selenga now?
Now +21° — Comfortable for swimming.
Can you swim in the Selenga?
Comfortable season — from June to September.
When is water warmest in the Selenga?
Warmest in July — up to +24°.
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 Selenga on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Ilinka | +19° | +21° | +22° | +21° | +19° | +17° | +18° | +21° | +22° | +22° |
| Naushki | +19° | +22° | +23° | +21° | +20° | +18° | +19° | +21° | +23° | +22° |
| Nizhniy Sayantuy | +18° | +21° | +22° | +20° | +19° | +17° | +18° | +20° | +22° | +21° |
| Selenduma | +20° | +22° | +23° | +22° | +20° | +18° | +19° | +22° | +23° | +23° |
| Sotnikovo | +17° | +20° | +21° | +19° | +18° | +16° | +17° | +19° | +21° | +20° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Selenga — in detail
Water temperature in the Selenga is tracked across 13 cities. The water is now about +21°. The page has a temperature map by city, a daily forecast and a monthly climate normal.