Climate averages 1991–2020
Yalova weather
in August.
A hot, fairly dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Yalova: daytime highs average 29.3°C and nights cool to about 20.5°C. By daytime temperature it is the warmest month of the year.
Expect about 26 mm of rain on roughly 3 days, which makes August a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 47 min on an average August day.
The nearest other city in this atlas is Gebze (21 km away). In August its highs average 27.4°C, 1.9°C cooler than Yalova, with 27 mm of rain.
Among the 138 cities listed in Turkey, Yalova ranks joint 88th of 138 for the warmest August highs and 116th of 138 for the driest August (rainfall, lowest first). The mean August high of those 138 cities is 31.1°C; Yalova is 1.8°C cooler than that mean.
From August to September, average highs fall by 4.0°C to 25.4°C, and monthly rainfall rises from 26 mm to 48 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
Yalova climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.8°C2.8°C | 2.8°C | 90 | 12.8 | 9.610 h |
| February | 9.9°C2.9°C | 2.9°C | 73 | 11.8 | 10.611 h |
| March | 12.6°C4.7°C | 4.7°C | 76 | 10.8 | 11.912 h |
| April | 17.0°C8.2°C | 8.2°C | 52 | 8.5 | 13.313 h |
| May | 21.8°C13.0°C | 13.0°C | 39 | 6.6 | 14.414 h |
| June | 26.3°C17.5°C | 17.5°C | 38 | 6.1 | 15.015 h |
| July | 29.0°C19.9°C | 19.9°C | 24 | 3.8 | 14.815 h |
| August, selected | 29.3°C20.5°C | 20.5°C | 26 | 3.3 | 13.814 h |
| September | 25.4°C17.6°C | 17.6°C | 48 | 6.4 | 12.513 h |
| October | 20.4°C13.9°C | 13.9°C | 73 | 9.0 | 11.211 h |
| November | 15.2°C8.8°C | 8.8°C | 74 | 9.9 | 10.010 h |
| December | 10.6°C4.9°C | 4.9°C | 100 | 12.7 | 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
- Gebze in AugustTurkey · 21 kmHigh 27.4°C · Low 19.7°C · 27 mm rain
- Gemlik in AugustTurkey · 27 kmHigh 30.1°C · Low 21.1°C · 28 mm rain
- Sultanbeyli in AugustTurkey · 34 kmHigh 27.4°C · Low 20.8°C · 24 mm rain
- Sancaktepe in AugustTurkey · 39 kmHigh 27.5°C · Low 21.2°C · 24 mm rain
- Ümraniye in AugustTurkey · 42 kmHigh 27.2°C · Low 21.1°C · 20 mm rain
- Üsküdar in AugustTurkey · 47 kmHigh 27.7°C · Low 21.5°C · 20 mm rain
- Derince in AugustTurkey · 47 kmHigh 28.5°C · Low 19.9°C · 36 mm rain
- Istanbul in AugustTurkey · 48 kmHigh 27.8°C · Low 21.8°C · 20 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 Yalova) is explained once on the Yalova year overview and on the Sources, method and limits page.