Isil’kul’ in Summer
In summer (June, July and August), Isil’kul’ sees average daytime highs around 23°C and overnight lows near 12°C, with 188 mm of rain over about 33 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 25% of the time across summer, and the air most often feels dry.
Summer is Isil’kul’'s best season of the year to visit on our travel score. For the whole year in context, see Isil’kul’'s year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 188 mm
- 33 wet days
- Avg wind
- 12 km/h
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Isil’kul’ in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Isil’kul’ reaches about 23°C and drops to 12°C overnight. The warmest of the three months is July, the coolest August.
How summer really feels in Isil’kul’
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.
Isil’kul’ 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 | -13° / -20° | 14 | 5 | 6 | 7.6 | 0.0 |
| Feb | -10° / -18° | 13 | 4.4 | 5.4 | 9.3 | 0.0 |
| Mar | -2° / -11° | 19 | 5.6 | 5.3 | 11.4 | 0.0 |
| Apr | 9° / -1° | 31 | 6.8 | 2.4 | 13.8 | 2.1 |
| May | 18° / 6° | 37 | 8.2 | 0.4 | 15.8 | 6.0 |
| Jun | 23° / 12° | 53 | 10.5 | 0 | 17 | 6.6 |
| Jul | 24° / 14° | 70 | 11.9 | 0 | 16.5 | 6.7 |
| Aug | 22° / 12° | 65 | 10.3 | 0 | 14.7 | 6.5 |
| Sep | 16° / 6° | 39 | 8.9 | 0 | 12.5 | 4.7 |
| Oct | 7° / -0° | 33 | 8.1 | 3.3 | 10.2 | 1.3 |
| Nov | -4° / -10° | 28 | 7.8 | 6.9 | 8.1 | 0.0 |
| Dec | -10° / -17° | 21 | 6.3 | 7.7 | 7 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 25% of the time across summer.
Chance of precipitation in Summer
Isil’kul’ gets around 188 mm of rain over 33 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 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 16 h 36 min in early June to 13 h 42 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 5.3 kWh/m².
Is summer a good time to visit Isil’kul’?
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 Isil’kul’ for sightseeing.
What to pack for Isil’kul’ in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Isil’kul’ sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 33 days see rain.
UV index in Isil’kul’ 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 Isil’kul’ peaks around June 22 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 22 at about 0 (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 | 1 | 2 | 3 | 5 | 6 | 6 | 4 | 3 | 2 | 1 | 0 |
| Level | Low | Low | Moderate | Moderate | Moderate | High | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 2 | Moderate |
| Apr | 3 | Moderate |
| May | 5 | Moderate |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 2 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
Air quality in Isil’kul’ 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 Isil’kul’ is worst in April — around 16 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (December, 4 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) | 5 | 7 | 9 | 16 | 10 | 8 | 13 | 8 | 6 | 8 | 7 | 4 |
| Level | Good | Good | Good | Moderate | Good | Good | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 16 | Moderate |
| May | 10 | Good |
| Jun | 8 | Good |
| Jul | 13 | Moderate |
| Aug | 8 | Good |
| Sep | 6 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 4 | Good |
Where is Isil’kul’?
Isil’kul’ sits at 54.9°N, 71.3°E, 118 m above sea level, in Russia. The nearest listed city is Omsk, 134 km away.
Topography around Isil’kul’
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isil’kul’.
Within 3 km, the terrain around Isil’kul’ has only modest variations in elevation — a maximum elevation change of 22 m around an average of 126 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 100 m.
The land around Isil’kul’ is covered by grassland (36%) and artificial surfaces (27%) within 3 km, cropland (61%) within 16 km, and cropland (49%) and grassland (31%) 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 Isil’kul’ (54.9121°, 71.2718°, elevation 118 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.