Climate almanac
Haimen
Guangdong, China · 23.19°, 116.61°
What is the climate like in Haimen?
The best time to visit Haimen is typically November – December, with trip comfort peaking in December (7.1/10). Haimen is warmest in July, when daily highs average 90°F (32°C), and coolest in January, when lows fall to about 55°F (13°C). The wettest month is typically August and the driest is December; the year sees roughly 61 in (1559 mm) of precipitation.
- Best time to visitNovember – December — comfort peaks in December (7.1/10)
- Warmest monthJuly — average high 90°F (32°C)
- Coolest monthJanuary — average low 55°F (13°C)
- Wettest monthAugust (11 in (288 mm))
- Driest monthDecember (1.1 in (28 mm))
- Annual precipitation61 in (1559 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromShantou, 24 km away (1951-2025)