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:
17°C
62.6°F
°C °F

Condition: Fog

Pressure: 961 hPa

Feel like: 19 °C

Temperature: 17°C

Cloud: 55%

Humidity: 100%

Wind: WNW - 0 km/h

Visibility: 0.3 km

Weather forecast

Wed
05 Aug
18°C / 27°C
Partly Cloudy
Thu
06 Aug
19°C / 26°C
Overcast
Fri
07 Aug
16°C / 30°C
Fog
Sat
08 Aug
17°C / 23°C
Slight Rain Showers
Sun
09 Aug
19°C / 24°C
Overcast
Hourly forecast today:
04:00 AM
17° / 17°
17° / 17°
Fog
100% 5 km/h
05:00 AM
18° / 20°
18° / 20°
Mainly Clear
90% 8 km/h
06:00 AM
17° / 23°
17° / 23°
Clear Sky
70% 10 km/h
07:00 AM
16° / 25°
16° / 25°
Mainly Clear
60% 15 km/h
08:00 AM
15° / 26°
15° / 26°
Mainly Clear
51% 24 km/h
09:00 AM
14° / 27°
14° / 27°
Clear Sky
45% 28 km/h
10:00 AM
14° / 28°
14° / 28°
Mainly Clear
41% 33 km/h
11:00 AM
12° / 29°
12° / 29°
Clear Sky
34% 37 km/h
12:00 PM
10° / 29°
10° / 29°
Clear Sky
31% 41 km/h
13:00 PM
11° / 28°
11° / 28°
Clear Sky
34% 43 km/h
14:00 PM
11° / 28°
11° / 28°
Clear Sky
36% 42 km/h

30 Day Averages and Extremes

  • Average high 24.93°C
  • Average low 16.3°C
  • Hottest day 33°C (21 July 2026)
  • Coldest day 0°C (18 August 2026)
  • Average humidity 69.47%
  • Days with precipitation 13 days
  • Highest precipitation 52 mm (24 July 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 17°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 very hot weather in Kocaeli, with the high temperatures above 28ºC (82.4ºF), consider wearing:
- UV-protective sunglasses
- Lightweight t-shirt or tank top
- Loose and airy fabrics like linen or cotton
- Sunscreen for skin protection

Temperature

Early
16°C / 17°C
Morning
14°C / 27°C
Afternoon
12°C / 26°C
Evening
15°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 428
  • CO 143
  • NH3 8
  • NO2 4
  • O3 67
  • PM10 12
  • PM25 9
  • SO2 2
  • CH4 1,398

Sunrise / Sunset

03:00
17:12