Muscat weather in December
December is pleasantly warm in Muscat — one of the best windows of the year for time outdoors. Expect around 1 scattered rain days. The wettest month of the year is usually January. The sea averages 26°C — comfortable for swimming and watersports.
December climate normals for Muscat
Avg high
26°C
Avg low
19°C
Rain days
1
Humidity
60%
Sea temp
26°C
Muscat climate through the year
Normals computed from Open-Meteo's ERA5 reanalysis archive (2015–2024).