Yuzhno-Sakhalinsk in Summer
In summer (June, July and August), Yuzhno-Sakhalinsk sees average daytime highs around 19°C and overnight lows near 11°C, with 246 mm of rain over about 30 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 15°C in early June to 20°C by late August. The sky is clear or mostly clear about 17% of the time across summer, and the air most often feels dry.
Summer is Yuzhno-Sakhalinsk's best season of the year to visit on our travel score. For the whole year in context, see Yuzhno-Sakhalinsk's year-round climate.
- Avg daytime high
- 19°C
- warmest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 246 mm
- 30 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Yuzhno-Sakhalinsk in Summer
Over the season highs climb from about 15°C in early June to 20°C by late August.
A typical summer day in Yuzhno-Sakhalinsk reaches about 19°C and drops to 11°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Yuzhno-Sakhalinsk
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Yuzhno-Sakhalinsk weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -8° / -17° | 52 | 7.3 | 9.2 | 8.8 | 0.0 |
| Feb | -7° / -16° | 39 | 6.2 | 7.2 | 10 | 0.0 |
| Mar | -1° / -10° | 63 | 8.9 | 9.8 | 11.6 | 0.0 |
| Apr | 6° / -3° | 69 | 10.7 | 8.2 | 13.3 | 0.7 |
| May | 13° / 3° | 69 | 10.8 | 2.4 | 14.8 | 3.3 |
| Jun | 16° / 8° | 61 | 9.2 | 0 | 15.6 | 5.0 |
| Jul | 20° / 12° | 81 | 9.5 | 0 | 15.3 | 5.9 |
| Aug | 21° / 13° | 104 | 11.3 | 0 | 14 | 6.0 |
| Sep | 18° / 9° | 104 | 12 | 0 | 12.4 | 5.3 |
| Oct | 11° / 2° | 92 | 11.7 | 1 | 10.6 | 2.6 |
| Nov | 2° / -6° | 71 | 9.4 | 6.9 | 9.2 | 0.1 |
| Dec | -5° / -14° | 63 | 8.7 | 9.7 | 8.4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 17% of the time across summer.
Chance of precipitation in Summer
Yuzhno-Sakhalinsk gets around 246 mm of rain over 30 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 24 min in early June to 13 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.8 kWh/m².
Is summer a good time to visit Yuzhno-Sakhalinsk?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Yuzhno-Sakhalinsk for sightseeing.
What to pack for Yuzhno-Sakhalinsk in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Yuzhno-Sakhalinsk sees daytime highs around 19°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 30 days see rain.
Sea temperature near Yuzhno-Sakhalinsk in Summer
The nearest coast averages about 13°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 km away) is warmest in August at about 16°C and coldest in February near -1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 0 | -1 | -1 | 1 | 4 | 9 | 13 | 16 | 15 | 10 | 6 | 3 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 0 | Bracing |
| Feb | -1 | Bracing |
| Mar | -1 | Bracing |
| Apr | 1 | Bracing |
| May | 4 | Bracing |
| Jun | 9 | Bracing |
| Jul | 13 | Bracing |
| Aug | 16 | Cool |
| Sep | 15 | Bracing |
| Oct | 10 | Bracing |
| Nov | 6 | Bracing |
| Dec | 3 | Bracing |
UV index in Yuzhno-Sakhalinsk in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Yuzhno-Sakhalinsk peaks around August 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 4 | 6 | 6 | 7 | 7 | 5 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Yuzhno-Sakhalinsk?
Yuzhno-Sakhalinsk sits at 47.0°N, 142.7°E, 48 m above sea level, in Russia. The nearest listed city is Korsakov, 36 km away.
Topography around Yuzhno-Sakhalinsk
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yuzhno-Sakhalinsk.
Within 3 km, the terrain around Yuzhno-Sakhalinsk has significant variations in elevation — a maximum elevation change of 293 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,028 m; within 80 km, large variations in elevation — a maximum elevation change of 1,026 m.
The land around Yuzhno-Sakhalinsk is covered by artificial surfaces (55%) and trees (32%) within 3 km, trees (72%) within 16 km, and trees (48%) and water (47%) within 80 km.
Russia travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $17,547
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Safe drinking water
- 76%
- of population, 2024
- Homicide rate
- 6.8
- per 100k, 2021
- Road deaths
- 12
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 521
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Yuzhno-Sakhalinsk (46.9543°, 142.7356°, elevation 48 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.