Monthly Climate
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Best time to visit Dammam

December is the best time to visit Dammam for general sightseeing, with average highs of 22 °C and about 3 wet days. The comfortable season runs roughly November to March. The sea stays above 20 °C from April to December.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking December comfort 93/100
A beach holiday November sea 26 °C
The least cloud June 3 % average cloud cover
The least rain June 0 mm
Warmth July 40 °C
Cooler weather January 20 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 December 93 22 °C 3 82
2 February 93 21 °C 2 67
3 March 91 25 °C 2 84
4 January 90 20 °C 3 64
5 November 84 27 °C 2 100
6 April 73 30 °C 1 93
7 October 60 34 °C 0 75
8 May 51 36 °C 0 78
9 September 44 38 °C 0 53
10 August 40 40 °C 0 43
11 June 39 39 °C 0 59
12 July 38 40 °C 0 47

For a beach holiday

November scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea is above 20 °C from April to December.

Month Sea Air Sunshine Beach score
January 20 °C 20 °C 32 % 64
February 19 °C 21 °C 28 % 67
March 20 °C 25 °C 30 % 84
April 23 °C 30 °C 34 % 93
May 27 °C 36 °C 18 % 78
June 30 °C 39 °C 3 % 59
July 32 °C 40 °C 8 % 47
August 33 °C 40 °C 7 % 43
September 32 °C 38 °C 3 % 53
October 30 °C 34 °C 10 % 75
November 26 °C 27 °C 24 % 100
December 22 °C 22 °C 29 % 82

When to think twice

July scores lowest with about 0 wet days and highs near 40 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 19.7 °C 20 mm 32 %
February 21.3 °C 12 mm 28 %
March 25.0 °C 12 mm 30 %
April 30.2 °C 4 mm 34 %
May 35.7 °C 1 mm 18 %
June 38.9 °C 0 mm 3 %
July 40.2 °C 0 mm 8 %
August 39.9 °C under 1 mm 7 %
September 38.0 °C under 1 mm 3 %
October 34.0 °C 1 mm 10 %
November 27.2 °C 18 mm 24 %
December 21.9 °C 20 mm 29 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.