Bostanlı in Winter
In winter (December, January and February), Bostanlı sees average daytime highs around 13°C and overnight lows near 5°C, with 289 mm of precipitation over about 31 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 13°C. The sky is clear or mostly clear about 39% of the time across winter, and the air most often feels dry.
Winter is Bostanlı's weakest season of the year to visit on our travel score. For the whole year in context, see Bostanlı's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- 5°C
- Precipitation
- 289 mm
- 31 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Bostanlı in Winter
Across winter, daytime highs hold fairly steady around 13°C.
A typical winter day in Bostanlı reaches about 13°C and drops to 5°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Bostanlı
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Bostanlı weather by month
How the three winter months (December, January and February) 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 Winter
The sky is clear or mostly clear about 39% of the time across winter.
Chance of precipitation in Winter
Bostanlı gets around 289 mm of rain and snow over 31 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 30 min in early December to 11 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.5 kWh/m².
Hazard calendar for Bostanlı
In winter, Bostanlı overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bostanlı's rainy season runs October–April, when most of the year's rain falls.
Is winter a good time to visit Bostanlı?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Bostanlı.
What to pack for Bostanlı in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bostanlı sees daytime highs around 13°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 31 days see rain.
Sea temperature near Bostanlı in Winter
The nearest coast averages about 17°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 2. 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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.