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 Lena
Water temperature in the Lena by city today 📍
| City | Now | Swimming |
|---|---|---|
| Pokrovsk | +18° | Comfortable for swimming |
| Vitim | +19° | Comfortable for swimming |
| Nizhniy Bestyakh | +19° | Comfortable for swimming |
| Oy | +18° | Comfortable for swimming |
| Alekseevka | +19° | Comfortable for swimming |
| Alekseevsk | +19° | Comfortable for swimming |
| Markovo | +20° | Comfortable for swimming |
| Zhigalovo | +22° | Comfortable for swimming |
| Kachug | +22° | Comfortable for swimming |
| Kirensk | +20° | Comfortable for swimming |
| Ust'-Kut | +22° | Comfortable for swimming |
| Lensk | +20° | Comfortable for swimming |
| Mokhsogollokh | +19° | Comfortable for swimming |
| Olekminsk | +18° | Comfortable for swimming |
| Yakutsk | +19° | Comfortable for swimming |
🎣 Fishing in cities on the Lena
Water temperature forecast in the Lena 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Lena this weekend
Water temperature in the Lena for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +21° in summer. The monthly normal is below.
Monthly water temperature in the Lena 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ❄ | ❄ | +4 | +7 | +12 | +19 | +21 | +17 | +15 | +12 | +5 | ❄ |
Climate normal (model estimate).
Swimming conditions in the Lena by month
When to swim in the Lena 🏖️
Cities on the Lena 📍
FAQ about water in the Lena ❓
What is the water temperature in the Lena now?
Now +19° — Comfortable for swimming.
Can you swim in the Lena?
Comfortable season — from June to August.
When is water warmest in the Lena?
Warmest in July — up to +21°.
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 Lena on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Pokrovsk | +14° | +16° | +18° | +18° | +16° | +14° | +14° | +16° | +18° | +18° |
| Vitim | +15° | +17° | +19° | +18° | +17° | +14° | +14° | +17° | +19° | +19° |
| Nizhniy Bestyakh | +14° | +16° | +18° | +18° | +16° | +14° | +14° | +16° | +18° | +19° |
| Oy | +14° | +16° | +18° | +17° | +16° | +13° | +13° | +16° | +18° | +18° |
| Alekseevka | +15° | +17° | +19° | +19° | +17° | +15° | +15° | +17° | +19° | +19° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Lena — in detail
Water temperature in the Lena is tracked across 15 cities. The water is now about +19°. The page has a temperature map by city, a daily forecast and a monthly climate normal.