Climate averages 1991–2020
Düzce weather
in December.
A cool, wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Düzce: daytime highs average 9.8°C and nights cool to about 1.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 105 mm of rain on roughly 14 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 18 min on an average December day.
The nearest other city in this atlas is Bolu (39 km away). In December its highs average 6.7°C, 3.1°C cooler than Düzce, with 96 mm of rain.
Among the 138 cities listed in Turkey, Düzce ranks joint 66th of 138 for the warmest December highs and joint 104th of 138 for the driest December (rainfall, lowest first). The mean December high of those 138 cities is 9.3°C; Düzce is 0.5°C warmer than that mean.
From December to January, average highs fall by 1.9°C to 7.9°C, and monthly rainfall falls from 105 mm to 100 mm.
The annual picture
December 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
Düzce climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.9°C-0.5°C | -0.5°C | 100 | 14.3 | 9.610 h |
| February | 9.3°C-0.1°C | -0.1°C | 97 | 14.4 | 10.611 h |
| March | 12.6°C2.6°C | 2.6°C | 113 | 15.1 | 11.912 h |
| April | 17.3°C6.5°C | 6.5°C | 104 | 13.9 | 13.313 h |
| May | 21.3°C11.2°C | 11.2°C | 113 | 14.7 | 14.414 h |
| June | 24.4°C14.8°C | 14.8°C | 100 | 13.1 | 15.115 h |
| July | 26.5°C16.9°C | 16.9°C | 50 | 8.4 | 14.815 h |
| August | 27.0°C17.5°C | 17.5°C | 53 | 8.2 | 13.814 h |
| September | 24.0°C14.2°C | 14.2°C | 73 | 9.0 | 12.513 h |
| October | 20.0°C10.7°C | 10.7°C | 98 | 11.3 | 11.211 h |
| November | 14.9°C5.5°C | 5.5°C | 82 | 10.4 | 10.010 h |
| December, selected | 9.8°C1.6°C | 1.6°C | 105 | 14.1 | 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
December in nearby cities
- Bolu in DecemberTurkey · 39 kmHigh 6.7°C · Low -1.0°C · 96 mm rain
- Ereğli (Zonguldak Province), Turkey in DecemberTurkey · 54 kmHigh 10.4°C · Low 5.6°C · 108 mm rain
- Adapazarı in DecemberTurkey · 64 kmHigh 9.9°C · Low 2.0°C · 103 mm rain
- Zonguldak in DecemberTurkey · 86 kmHigh 10.7°C · Low 4.7°C · 107 mm rain
- İzmit in DecemberTurkey · 104 kmHigh 10.5°C · Low 3.4°C · 110 mm rain
- Derince in DecemberTurkey · 114 kmHigh 10.5°C · Low 3.7°C · 103 mm rain
- Bilecik in DecemberTurkey · 127 kmHigh 8.4°C · Low 0.1°C · 62 mm rain
- Karabük in DecemberTurkey · 129 kmHigh 9.1°C · Low 0.6°C · 79 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 Düzce) is explained once on the Düzce year overview and on the Sources, method and limits page.