Climate averages 1991–2020
Bilecik weather
in April.
A mild, moderately wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Bilecik: daytime highs average 16.8°C and nights cool to about 4.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 56 mm of rain on roughly 11 days, which makes April a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average April day.
The nearest other city in this atlas is İnegol (40 km away). In April its highs average 17.7°C, 0.9°C warmer than Bilecik, with 88 mm of rain.
Among the 138 cities listed in Turkey, Bilecik ranks joint 80th of 138 for the warmest April highs and joint 58th of 138 for the driest April (rainfall, lowest first). The mean April high of those 138 cities is 17.3°C; Bilecik is 0.5°C cooler than that mean.
From April to May, average highs rise by 4.7°C to 21.5°C, and monthly rainfall falls from 56 mm to 49 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
Bilecik climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.6°C-1.9°C | -1.9°C | 58 | 10.4 | 9.710 h |
| February | 8.5°C-1.4°C | -1.4°C | 53 | 10.0 | 10.611 h |
| March | 12.0°C1.1°C | 1.1°C | 64 | 11.1 | 11.912 h |
| April, selected | 16.8°C4.9°C | 4.9°C | 56 | 10.5 | 13.213 h |
| May | 21.5°C9.8°C | 9.8°C | 49 | 9.2 | 14.414 h |
| June | 25.1°C13.8°C | 13.8°C | 38 | 7.7 | 15.015 h |
| July | 28.1°C16.6°C | 16.6°C | 15 | 3.7 | 14.715 h |
| August | 28.8°C17.1°C | 17.1°C | 13 | 3.2 | 13.814 h |
| September | 25.0°C13.2°C | 13.2°C | 24 | 5.0 | 12.512 h |
| October | 19.8°C9.1°C | 9.1°C | 44 | 6.9 | 11.211 h |
| November | 13.9°C3.6°C | 3.6°C | 44 | 7.8 | 10.010 h |
| December | 8.4°C0.1°C | 0.1°C | 62 | 10.1 | 9.49 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
- İnegol in AprilTurkey · 40 kmHigh 17.7°C · Low 6.3°C · 88 mm rain
- Eskişehir in AprilTurkey · 61 kmHigh 16.3°C · Low 4.0°C · 49 mm rain
- İzmit in AprilTurkey · 69 kmHigh 17.9°C · Low 7.7°C · 76 mm rain
- Derince in AprilTurkey · 70 kmHigh 17.8°C · Low 7.8°C · 66 mm rain
- Gemlik in AprilTurkey · 77 kmHigh 18.1°C · Low 8.9°C · 65 mm rain
- Bursa in AprilTurkey · 78 kmHigh 18.1°C · Low 8.3°C · 81 mm rain
- Adapazarı in AprilTurkey · 80 kmHigh 17.3°C · Low 6.3°C · 74 mm rain
- Kütahya in AprilTurkey · 80 kmHigh 15.5°C · Low 4.3°C · 59 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 Bilecik) is explained once on the Bilecik year overview and on the Sources, method and limits page.