Sestroretsk in Summer
In summer (June, July and August), Sestroretsk sees average daytime highs around 17°C and overnight lows near 12°C, with 200 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels dry.
Summer is Sestroretsk's best season of the year to visit on our travel score. For the whole year in context, see Sestroretsk's year-round climate.
- Avg daytime high
- 17°C
- warmest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 200 mm
- 32 wet days
- Avg wind
- 14 km/h
- Travel score
- 5.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sestroretsk in Summer
Across summer, daytime highs hold fairly steady around 17°C.
A typical summer day in Sestroretsk reaches about 17°C and drops to 12°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Sestroretsk
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.
Sestroretsk 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 | -3° / -7° | 43 | 11.7 | 11.8 | 6.4 | 0.0 |
| Feb | -4° / -8° | 33 | 9.2 | 9.5 | 8.6 | 0.0 |
| Mar | 0° / -5° | 37 | 9 | 7 | 11.3 | 0.0 |
| Apr | 6° / 0° | 39 | 8.9 | 3.1 | 14.2 | 0.6 |
| May | 12° / 6° | 48 | 8.6 | 0.2 | 16.8 | 3.2 |
| Jun | 16° / 10° | 64 | 10.6 | 0 | 18.4 | 4.7 |
| Jul | 19° / 13° | 62 | 10.2 | 0 | 17.7 | 6.0 |
| Aug | 18° / 13° | 74 | 11 | 0 | 15.4 | 5.5 |
| Sep | 13° / 9° | 63 | 11.5 | 0 | 12.6 | 3.4 |
| Oct | 7° / 4° | 72 | 13 | 1.5 | 9.8 | 0.8 |
| Nov | 2° / -0° | 66 | 13.3 | 6.3 | 7.1 | 0.0 |
| Dec | -1° / -4° | 53 | 12.8 | 10.1 | 5.6 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Sestroretsk gets around 200 mm of rain over 32 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 17 h 54 min in early June to 14 hours 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 5.2 kWh/m².
Is summer a good time to visit Sestroretsk?
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 Sestroretsk for sightseeing.
What to pack for Sestroretsk in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sestroretsk sees daytime highs around 17°C and nights near 12°C. Worth packing: a warm layer, rain gear and sun protection. About 32 days see rain.
Sea temperature near Sestroretsk in Summer
The nearest coast averages about 17°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in July at about 18°C and coldest in February near -0°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 | 0 | 0 | 2 | 8 | 14 | 18 | 18 | 15 | 10 | 6 | 2 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 0 | Bracing |
| Feb | 0 | Bracing |
| Mar | 0 | Bracing |
| Apr | 2 | Bracing |
| May | 8 | Bracing |
| Jun | 14 | Bracing |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 15 | Bracing |
| Oct | 10 | Bracing |
| Nov | 6 | Bracing |
| Dec | 2 | Bracing |
UV index in Sestroretsk in Summer
Clear-sky midday UV across summer averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sestroretsk peaks around July 12 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | High | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Low |
| Apr | 3 | Moderate |
| May | 4 | Moderate |
| Jun | 5 | High |
| Jul | 5 | High |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Air quality in Sestroretsk in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Sestroretsk is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 11 | 17 | 20 | 17 | 15 | 16 | 16 | 15 | 12 | 10 | 11 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 17 | Moderate |
| Apr | 20 | Moderate |
| May | 17 | Moderate |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Sestroretsk?
Sestroretsk sits at 60.1°N, 30.0°E, 8 m above sea level, in Russia. The nearest listed city is Kurortnyy, 8.0 km away.
Topography around Sestroretsk
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sestroretsk.
Within 3 km, the terrain around Sestroretsk has only modest variations in elevation — a maximum elevation change of 29 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 131 m; within 80 km, only modest variations in elevation — a maximum elevation change of 236 m.
The land around Sestroretsk is covered by water (45%) and trees (29%) within 3 km, trees (46%) and water (42%) within 16 km, and trees (57%) and water (26%) 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 Sestroretsk (60.098°, 29.9638°, elevation 8 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.