Climate averages 1991–2020
Derince weather
in August.
A hot, fairly dry month: the warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Derince: daytime highs average 28.5°C and nights cool to about 19.9°C. By daytime temperature it is the warmest month of the year.
Expect about 36 mm of rain on roughly 6 days, which makes August a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 48 min on an average August day.
The nearest other city in this atlas is İzmit (10 km away). In August its highs average 28.2°C, about as warm as Derince, with 41 mm of rain.
Among the 138 cities listed in Turkey, Derince ranks joint 100th of 138 for the warmest August highs and 125th of 138 for the driest August (rainfall, lowest first). The mean August high of those 138 cities is 31.1°C; Derince is 2.7°C cooler than that mean.
From August to September, average highs fall by 3.4°C to 25.1°C, and monthly rainfall rises from 36 mm to 56 mm.
The annual picture
August 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
Derince climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.9°C1.7°C | 1.7°C | 95 | 13.5 | 9.610 h |
| February | 10.2°C2.0°C | 2.0°C | 82 | 12.8 | 10.611 h |
| March | 13.2°C4.1°C | 4.1°C | 88 | 13.0 | 11.912 h |
| April | 17.8°C7.8°C | 7.8°C | 66 | 10.8 | 13.313 h |
| May | 22.3°C12.6°C | 12.6°C | 59 | 9.2 | 14.414 h |
| June | 26.1°C16.9°C | 16.9°C | 63 | 9.5 | 15.015 h |
| July | 28.2°C19.3°C | 19.3°C | 38 | 5.9 | 14.815 h |
| August, selected | 28.5°C19.9°C | 19.9°C | 36 | 5.5 | 13.814 h |
| September | 25.1°C16.7°C | 16.7°C | 56 | 7.9 | 12.513 h |
| October | 20.5°C12.8°C | 12.8°C | 81 | 10.3 | 11.211 h |
| November | 15.5°C7.6°C | 7.6°C | 75 | 10.1 | 10.010 h |
| December | 10.5°C3.7°C | 3.7°C | 103 | 13.0 | 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
August in nearby cities
- İzmit in AugustTurkey · 10 kmHigh 28.2°C · Low 19.8°C · 41 mm rain
- Gebze in AugustTurkey · 33 kmHigh 27.4°C · Low 19.7°C · 27 mm rain
- Yalova in AugustTurkey · 47 kmHigh 29.3°C · Low 20.5°C · 26 mm rain
- Adapazarı in AugustTurkey · 50 kmHigh 27.6°C · Low 18.4°C · 39 mm rain
- Sultanbeyli in AugustTurkey · 51 kmHigh 27.4°C · Low 20.8°C · 24 mm rain
- Sancaktepe in AugustTurkey · 56 kmHigh 27.5°C · Low 21.2°C · 24 mm rain
- Ümraniye in AugustTurkey · 65 kmHigh 27.2°C · Low 21.1°C · 20 mm rain
- Gemlik in AugustTurkey · 66 kmHigh 30.1°C · Low 21.1°C · 28 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 Derince) is explained once on the Derince year overview and on the Sources, method and limits page.