Climate averages 1991–2020
Derince weather
in April.
A mild, moderately wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Derince: daytime highs average 17.8°C and nights cool to about 7.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 66 mm of rain on roughly 11 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 16 min on an average April day.
The nearest other city in this atlas is İzmit (10 km away). In April its highs average 17.9°C, about as warm as Derince, with 76 mm of rain.
Among the 138 cities listed in Turkey, Derince ranks joint 59th of 138 for the warmest April highs and joint 87th of 138 for the driest April (rainfall, lowest first). The mean April high of those 138 cities is 17.3°C; Derince is 0.5°C warmer than that mean.
From April to May, average highs rise by 4.5°C to 22.3°C, and monthly rainfall falls from 66 mm to 59 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- İzmit in AprilTurkey · 10 kmHigh 17.9°C · Low 7.7°C · 76 mm rain
- Gebze in AprilTurkey · 33 kmHigh 15.7°C · Low 7.2°C · 54 mm rain
- Yalova in AprilTurkey · 47 kmHigh 17.0°C · Low 8.2°C · 52 mm rain
- Adapazarı in AprilTurkey · 50 kmHigh 17.3°C · Low 6.3°C · 74 mm rain
- Sultanbeyli in AprilTurkey · 51 kmHigh 15.3°C · Low 8.0°C · 48 mm rain
- Sancaktepe in AprilTurkey · 56 kmHigh 15.2°C · Low 8.4°C · 48 mm rain
- Ümraniye in AprilTurkey · 65 kmHigh 14.7°C · Low 8.2°C · 47 mm rain
- Gemlik in AprilTurkey · 66 kmHigh 18.1°C · Low 8.9°C · 65 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.