Beirut weather in December
December is mild in Beirut; days are comfortable and evenings may call for an extra layer. This is one of the wetter months, with about 11 rain days. The wettest month of the year is usually January. The sea averages 22°C — comfortable for swimming and watersports.
December climate normals for Beirut
Avg high
19°C
Avg low
12°C
Rain days
11
Humidity
67%
Sea temp
22°C
Beirut climate through the year
Normals computed from Open-Meteo's ERA5 reanalysis archive (2015–2024).