Bostanlı in Summer
In summer (June, July and August), Bostanlı sees average daytime highs around 32°C and overnight lows near 21°C, with 19 mm of rain over about 5 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 28°C in early June to 32°C by late August. The sky is clear or mostly clear about 94% of the time across summer, and the air most often feels humid.
Summer is Bostanlı's 3rd-best season to visit on our travel score. For the whole year in context, see Bostanlı's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 19 mm
- 5 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.1
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Bostanlı in Summer
Over the season highs climb from about 28°C in early June to 32°C by late August.
A typical summer day in Bostanlı reaches about 32°C and drops to 21°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Bostanlı
Once humidity and wind are folded in, summer brings about 66 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bostanlı 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 5° | 98 | 9.9 | 9.6 | 3.2 |
| Feb | 13° / 5° | 90 | 9.7 | 10.5 | 3.6 |
| Mar | 16° / 7° | 73 | 8.4 | 11.7 | 5.2 |
| Apr | 20° / 10° | 55 | 7.6 | 13 | 6.9 |
| May | 25° / 15° | 37 | 5.4 | 14.1 | 8.0 |
| Jun | 30° / 19° | 13 | 3 | 14.6 | 6.2 |
| Jul | 33° / 22° | 2 | 0.8 | 14.4 | 4.6 |
| Aug | 33° / 22° | 3 | 0.8 | 13.5 | 4.6 |
| Sep | 29° / 18° | 23 | 2.7 | 12.3 | 7.1 |
| Oct | 24° / 14° | 62 | 5.7 | 11 | 8.0 |
| Nov | 18° / 10° | 90 | 7.9 | 9.9 | 6.3 |
| Dec | 13° / 6° | 101 | 11.2 | 9.4 | 3.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 94% of the time across summer.
Chance of precipitation in Summer
Bostanlı gets around 19 mm of rain over 5 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 30 min in early June to 12 h 54 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 7.5 kWh/m².
Hazard calendar for Bostanlı
None of Bostanlı's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Bostanlı's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Bostanlı?
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 Bostanlı for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Bostanlı in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Bostanlı sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection. About 5 days see rain.
Sea temperature near Bostanlı in Summer
The nearest coast averages about 23°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 22 km away) is warmest in August at about 24°C and coldest in March near 16°C.
It's comfortable for a long swim from May 28 to Oct 30 — about 5.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 17 | 19 | 22 | 23 | 24 | 23 | 21 | 19 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 24 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Bostanlı in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bostanlı peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 8 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Bostanlı 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 Bostanlı is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 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) | 12 | 14 | 18 | 17 | 17 | 15 | 14 | 15 | 12 | 12 | 14 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 14 | Moderate |
| Mar | 18 | Moderate |
| Apr | 17 | Moderate |
| May | 17 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Moderate |
| Oct | 12 | Moderate |
| Nov | 14 | Moderate |
| Dec | 11 | Good |
Where is Bostanlı?
Bostanlı sits at 38.5°N, 27.1°E, 8 m above sea level, in Turkey. The nearest listed city is Karşıyaka, 1.0 km away.
Topography around Bostanlı
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bostanlı.
Within 3 km, the terrain around Bostanlı has only modest variations in elevation — a maximum elevation change of 113 m around an average of 8 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,108 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,491 m.
The land around Bostanlı is covered by water (48%) and artificial surfaces (42%) within 3 km, trees (31%) and artificial surfaces (24%) within 16 km, and trees (35%) and water (32%) within 80 km.
Turkey travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $18,599
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 488
- 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 Bostanlı (38.4592°, 27.0973°, 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.