Mild
Average highs are around 23°C, so days are mild rather than hot.
December verdict
Good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 16mm, which is relatively low for holiday planning.

Monthly averages
Temp
23°C
Rain
16mm
Sun
7.2h
Sea
22°C
Weather score
64
Good
Mild
Average highs are around 23°C, so days are mild rather than hot.
Drier
Rainfall averages 16mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Compare Dammam, Saudi Arabia with nearby places by weather score, rain, sun, temperature, and swim conditions.
December23°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
December16mm average rain
December is close to Dammam's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
December7.2 hours average sun
December is one of Dammam's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to September
This stretch has the strongest sunshine in the monthly averages.
December22°C average sea
December is below Dammam's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to October
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
December64 weather score
December sits close to Dammam's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril and October to November
These months have the strongest weather score in the monthly averages.