Climate averages 1991–2020
İzmit weather
in July.
A hot, moderately wet month: the 2nd warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in İzmit: daytime highs average 28.0°C and nights cool to about 19.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 43 mm of rain on roughly 7 days, which makes July a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 47 min on an average July day.
The nearest other city in this atlas is Derince (10 km away). In July its highs average 28.2°C, about as warm as İzmit, with 38 mm of rain.
Among the 138 cities listed in Turkey, İzmit ranks joint 101st of 138 for the warmest July highs and 127th of 138 for the driest July (rainfall, lowest first). The mean July high of those 138 cities is 30.9°C; İzmit is 2.9°C cooler than that mean.
From July to August, average highs rise by 0.3°C to 28.2°C, and monthly rainfall falls from 43 mm to 41 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
İzmit climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.8°C1.4°C | 1.4°C | 101 | 13.9 | 9.610 h |
| February | 10.2°C1.8°C | 1.8°C | 90 | 13.4 | 10.611 h |
| March | 13.2°C3.9°C | 3.9°C | 97 | 13.9 | 11.912 h |
| April | 17.9°C7.7°C | 7.7°C | 76 | 11.7 | 13.313 h |
| May | 22.3°C12.4°C | 12.4°C | 73 | 10.9 | 14.414 h |
| June | 25.9°C16.8°C | 16.8°C | 75 | 10.6 | 15.015 h |
| July, selected | 28.0°C19.2°C | 19.2°C | 43 | 6.5 | 14.815 h |
| August | 28.2°C19.8°C | 19.8°C | 41 | 6.4 | 13.814 h |
| September | 25.0°C16.5°C | 16.5°C | 61 | 8.4 | 12.513 h |
| October | 20.4°C12.6°C | 12.6°C | 90 | 11.0 | 11.211 h |
| November | 15.5°C7.3°C | 7.3°C | 80 | 10.4 | 10.010 h |
| December | 10.5°C3.4°C | 3.4°C | 110 | 13.5 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Derince in JulyTurkey · 10 kmHigh 28.2°C · Low 19.3°C · 38 mm rain
- Adapazarı in JulyTurkey · 40 kmHigh 27.2°C · Low 17.7°C · 38 mm rain
- Gebze in JulyTurkey · 42 kmHigh 27.2°C · Low 19.1°C · 28 mm rain
- Yalova in JulyTurkey · 56 kmHigh 29.0°C · Low 19.9°C · 24 mm rain
- Sultanbeyli in JulyTurkey · 60 kmHigh 27.2°C · Low 20.1°C · 25 mm rain
- Sancaktepe in JulyTurkey · 64 kmHigh 27.2°C · Low 20.5°C · 25 mm rain
- Bilecik in JulyTurkey · 69 kmHigh 28.1°C · Low 16.6°C · 15 mm rain
- Ümraniye in JulyTurkey · 73 kmHigh 27.0°C · Low 20.4°C · 23 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for İzmit) is explained once on the İzmit year overview and on the Sources, method and limits page.