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 Bolshoy In
Water temperature in the Bolshoy In by city today 📍
| City | Now | Swimming |
|---|---|---|
| Smidovich | +19° | Comfortable for swimming |
🎣 Fishing in cities on the Bolshoy In
Water temperature forecast in the Bolshoy In 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Bolshoy In this weekend
Water temperature in the Bolshoy In 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 Bolshoy In 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +3 | +5 | +6 | +9 | +14 | +19 | +19 | +18 | +18 | +14 | +8 | +6 |
Climate normal (model estimate).
Swimming conditions in the Bolshoy In by month
When to swim in the Bolshoy In 🏖️
Cities on the Bolshoy In 📍
FAQ about water in the Bolshoy In ❓
What is the water temperature in the Bolshoy In now?
Now +19° — Comfortable for swimming.
Can you swim in the Bolshoy In?
Comfortable season — from June to September.
When is water warmest in the Bolshoy In?
Warmest in June — 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 Bolshoy In on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Smidovich | +15° | +16° | +18° | +19° | +19° | +17° | +16° | +16° | +17° | +19° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Bolshoy In — in detail
Water temperature in the Bolshoy In is tracked across 1 cities. The water is now about +19°. The page has a temperature map by city, a daily forecast and a monthly climate normal.