Climate almanac
Cumayeri
Düzce, Turkey · 40.87°, 30.95°
What is the climate like in Cumayeri?
The best time to visit Cumayeri is typically July – September, with trip comfort peaking in August (7.6/10). Cumayeri is warmest in August, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 29°F (-2°C). The wettest month is typically May and the driest is August; the year sees roughly 46 in (1158 mm) of precipitation.
- Best time to visitJuly – September — comfort peaks in August (7.6/10)
- Warmest monthAugust — average high 80°F (27°C)
- Coolest monthJanuary — average low 29°F (-2°C)
- Wettest monthMay (4.9 in (124 mm))
- Driest monthAugust (1.9 in (49 mm))
- Annual precipitation46 in (1158 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAdapazari, 46 km away (2003-2026)