Kocaeli, Turkey Weather

  1. Kocaeli, Turkey Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Kocaeli over the next 12 hours
  7. Temperature and possibility of rain in Kocaeli in the coming days
  8. Rainfall in Kocaeli in the coming days
  9. Kocaeli Weather Summary
  10. Weather averages by month
  11. Kocaeli's weather
  12. Frequently asked questions
  13. Comments
Kocaeli, Weather
(Photo by Emre on Unsplash)

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Overcast

Pressure: 963 hPa

Feel like: 17 °C

Temperature: 16°C

Cloud: 98%

Humidity: 84%

Wind: NE - 6 km/h

Visibility: 27.32 km

Weather forecast

Sat
20 Jun
13°C / 25°C
Fog
Sun
21 Jun
13°C / 25°C
Partly Cloudy
Mon
22 Jun
13°C / 25°C
Fog
Tue
23 Jun
14°C / 27°C
Clear Sky
Wed
24 Jun
13°C / 27°C
Fog
Hourly forecast today:
17:00 PM
14° / 16°
14° / 16°
Overcast
84% 24 km/h
18:00 PM
14° / 16°
14° / 16°
Overcast
90% 19 km/h
19:00 PM
14° / 16°
14° / 16°
Overcast
91% 12 km/h
20:00 PM
14° / 15°
14° / 15°
Overcast
91% 8 km/h
21:00 PM
14° / 15°
14° / 15°
Overcast
91% 6 km/h
22:00 PM
14° / 15°
14° / 15°
Overcast
90% 7 km/h
23:00 PM
13° / 15°
13° / 15°
Overcast
91% 9 km/h
00:00 AM
14° / 15°
14° / 15°
Overcast
93% 9 km/h
01:00 AM
14° / 15°
14° / 15°
Overcast
95% 10 km/h
02:00 AM
14° / 15°
14° / 15°
Overcast
96% 11 km/h
03:00 AM
14° / 15°
14° / 15°
Overcast
96% 11 km/h

30 Day Averages and Extremes

  • Average high 23.77°C
  • Average low 13.63°C
  • Hottest day 30°C (25 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 67.87%
  • Days with precipitation 13 days
  • Highest precipitation 22 mm (12 June 2026)

Yesterday's Data

  • Max: 18°C
  • Min: 15°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Kocaeli over the next 12 hours

Temperature and possibility of rain in Kocaeli in the coming days

Rainfall in Kocaeli in the coming days

Kocaeli Climate Summary

Kocaeli features a Mediterranean, hot summer (Köppen classification: Csa), with an average annual temperature of 16.53ºC (61.75ºF), which is about 1.57% higher than the national average for Turkey. Annually, the city experiences approximately 91.34 millimeters (3.6 inches) of rainfall, spread across 140.55 rainy days, accounting for 38.51% of the year.

Longitude 40.8532704
Latitude 29.8815203
Yearly high temperature 19.7ºC (67.46ºF)
Yearly low temperature 10.4ºC (50.72ºF)
Hottest month September 26.38ºC (79.48ºF)
Coldest month January 2.38ºC (36.28ºF)
Yearly precip 91.34mm (3.6in)
Days with rainfall 140.55 days (38.51%)
Driest month August (68.79%)
Wettest month January (79.7%)

Weather averages by month

Month High / Low (°C) Rain
January 8.63° / 2.38° 15.82 days
February 11.04° / 3.82° 14.73 days
March 13.92° / 5.15° 14.27 days
April 18.23° / 7.31° 12.55 days
May 23.18° / 11.59° 14.18 days
June 27.12° / 15.59° 12.91 days
July 29.59° / 17.74° 6.45 days
August 29.91° / 18.31° 5.64 days
September 26.38° / 16.18° 9.64 days
October 20.67° / 12.44° 11.45 days
November 16.68° / 9.3° 9.09 days
December 11.02° / 5.0° 13.82 days

Kocaeli's weather

Frequently asked questions

1. What is the hottest month in Kocaeli?

September has the highest average monthly temperature (daily mean of 26.38ºC) and January are the coolest (daily mean of 2.38ºC).

2. What should I wear in Kocaeli today?

For today's warm weather in Kocaeli, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sun hat or cap
- Shorts or lightweight trousers
- Light, breathable socks
- Sunglasses

Temperature

Early
13°C / 15°C
Morning
14°C / 17°C
Afternoon
13°C / 17°C
Evening
14°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 437
  • CO 106
  • NH3 1
  • NO2 0
  • O3 90
  • PM10 8
  • PM25 4
  • SO2 0
  • CH4 1,363

Sunrise / Sunset

02:28
17:35