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 Sviyaga
Water temperature in the Sviyaga by city today 📍
| City | Now | Swimming |
|---|---|---|
| Tsilna | +13° | Cold water |
| Apastovo | +14° | Cold water |
| Isheevka | +14° | Cold water |
| Kuzovatovo | +14° | Cold water |
| Vasilevo | +13° | Cold water |
| Sviyazhsk | +12° | Cold water |
| Ulyanovsk | +13° | Cold water |
🎣 Fishing in cities on the Sviyaga
Water temperature forecast in the Sviyaga 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Sviyaga this weekend
Water temperature in the Sviyaga for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +18° in summer. The monthly normal is below.
Monthly water temperature in the Sviyaga 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ❄ | ❄ | +2 | +8 | +12 | +13 | +16 | +18 | +14 | +8 | +6 | +3 |
Climate normal (model estimate).
Swimming conditions in the Sviyaga by month
When to swim in the Sviyaga 🏖️
Cities on the Sviyaga 📍
FAQ about water in the Sviyaga ❓
What is the water temperature in the Sviyaga now?
Now +13° — Cold water.
Can you swim in the Sviyaga?
Comfortable season — August.
When is water warmest in the Sviyaga?
Warmest in August — up to +18°.
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 Sviyaga on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Tsilna | +17° | +15° | +13° | +13° | +15° | +17° | +17° | +15° | +13° | +13° |
| Apastovo | +17° | +15° | +14° | +14° | +16° | +17° | +18° | +16° | +14° | +14° |
| Isheevka | +18° | +16° | +14° | +14° | +16° | +18° | +18° | +16° | +14° | +14° |
| Kuzovatovo | +18° | +16° | +14° | +14° | +16° | +18° | +18° | +16° | +14° | +14° |
| Vasilevo | +17° | +15° | +13° | +13° | +15° | +17° | +17° | +15° | +13° | +13° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Sviyaga — in detail
Water temperature in the Sviyaga is tracked across 7 cities. The water is now about +13°. The page has a temperature map by city, a daily forecast and a monthly climate normal.