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Kocaeli Province

Region · 🇹🇷 Türkiye
Population 1,851,790
Area 3,422 km²
Time zone Europe/Istanbul
Official website www.kocaeli.gov.tr
Kocaeli Province

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Featured Lists

CeeGee / CC BY-SA 4.0

Kocaeli Essentials

Kocaeli bridges the gap between industrial prowess and natural beauty in Turkey's Marmara region. This selection highlights the Osmangazi Bridge, one of the world's longest suspension bridges, alongside significant maritime history at the TCG Gayret and TCG Hızırreis museum ships. The region's diverse landscape is represented by the limestone cliffs of Kerpe on the Black Sea coast, the alpine terrain of Kartepe, and Ormanya, Europe's largest natural habitat park. Historical sites like Eskihisar Kalesi and the traditional Kapanönü Bazaar round out the local experience.

11 places

Kocaeli Province — Map

Kocaeli Province — Map

Climate & when to visit

Best time to visit: May, June, July, August, September, October

Select a month

Typical weather in January

Poor
  • 8° (feels like 4°) · extremes -6°–16°
  • 1° at night
  • 13 rainy days
  • 6 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 1 · low

Typical weather in February

Poor
  • 10° (feels like 6°) · extremes -5°–18°
  • 1° at night
  • 12 rainy days
  • 7 sunny days
  • 4 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 2 · low

Typical weather in March

Poor
  • 12° (feels like 8°) · extremes -3°–21°
  • 3° at night
  • 11 rainy days
  • 10 sunny days
  • 5 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 3 · moderate

Typical weather in April

Good
  • 17° (feels like 14°) · extremes 1°–25°
  • 6° at night
  • 10 rainy days
  • 12 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 5 · moderate

Typical weather in May

Great
  • 21° (feels like 20°) · extremes 6°–27°
  • 11° at night
  • 10 rainy days
  • 15 sunny days
  • 9 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 6 · high

Typical weather in June

Great
  • 25° · extremes 11°–31°
  • 15° at night
  • 9 rainy days
  • 19 sunny days
  • 11 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 8 · very high

Typical weather in July

Great
  • 29° · extremes 15°–34°
  • 18° at night
  • 5 rainy days
  • 24 sunny days
  • 12 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 8 · very high

Typical weather in August

Great
  • 29° · extremes 15°–34°
  • 19° at night
  • 5 rainy days
  • 22 sunny days
  • 11 hours of sunshine per day
  • Humid air
  • Light breeze
  • UV index 7 · high

Typical weather in September

Great
  • 25° (feels like 24°) · extremes 11°–32°
  • 15° at night
  • 8 rainy days
  • 16 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Light breeze
  • UV index 5 · moderate

Typical weather in October

Great
  • 20° (feels like 18°) · extremes 5°–27°
  • 11° at night
  • 10 rainy days
  • 12 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 3 · moderate

Typical weather in November

Good
  • 15° (feels like 12°) · extremes 0°–23°
  • 6° at night
  • 10 rainy days
  • 9 sunny days
  • 5 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 2 · low

Typical weather in December

Poor
  • 10° (feels like 7°) · extremes -3°–17°
  • 3° at night
  • 14 rainy days
  • 7 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 1 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
Turkish Lira TRY ₺ · Card payments · Widely accepted
Emergency numbers
112 Ambulance
Electricity
Type C / Type F
230 V · 50 Hz
Languages
Turkish
Tap water
Drink with caution
Driving side
Right
Calling code
+90
Learn more

Tours & Activities

Riverside Hotel
Taxi · 8 min
Kocaeli Province
2h
Walk · 6 min
Corner Café
45 min
Walk · 18 min
Riverside Hotel

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Turkey Kartepe Kartepe district

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