Dammam weather in December

December is pleasantly warm in Dammam — one of the best windows of the year for time outdoors. Expect around 2 scattered rain days. The wettest month of the year is usually January. The sea averages 21°C — comfortable for swimming and watersports.

December climate normals for Dammam

Avg high

23°C

Avg low

14°C

Rain days

2

Humidity

65%

Sea temp

21°C

Dammam climate through the year

Month	Avg high	Avg low	Rain days	Humidity	Sea temp
January	21°	12°	3	64%	19°
February	23°	14°	3	62%	19°
March	27°	17°	2	56%	22°
April	32°	21°	1	47%	25°
May	38°	26°	0	40%	28°
June	41°	29°	0	35%	32°
July	42°	31°	0	41%	33°
August	42°	30°	0	49%	34°
September	40°	27°	0	53%	33°
October	36°	24°	0	59%	30°
November	29°	20°	2	62%	26°
December	23°	14°	2	65%	21°

Normals computed from Open-Meteo's ERA5 reanalysis archive (2015–2024).

Middle-East month-by-month guide →