Sunshine hours in Dammam: 3,391 hours a year, month by month

Dammam gets 3,391 hours of sunshine a year on average (9.3 a day). Sunniest month: June with 344 hours. Every month, measured 1991–2020.

• Dammam gets 3,391 hours of sunshine a year on average, 9.3 a day – 76% of the astronomically possible. The sunniest month is June with 344 hours (11.5 a day), the dullest February with 221 (7.9 a day).
• The sunniest of 5 large cities in Saudi Arabia.
• Nearest weather station: Bahrein Airp., 58 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 232 h · 7.5 h a day · 70 %
• February: 221 h · 7.9 h a day · 70 %
• March: 245 h · 7.9 h a day · 66 %
• April: 256 h · 8.5 h a day · 67 %
• May: 316 h · 10.2 h a day · 76 %
• June: 344 h · 11.5 h a day · 83 %
• July: 337 h · 10.9 h a day · 80 %
• August: 334 h · 10.8 h a day · 83 %
• September: 316 h · 10.5 h a day · 86 %
• October: 306 h · 9.9 h a day · 86 %
• November: 249 h · 8.3 h a day · 76 %
• December: 235 h · 7.6 h a day · 72 %

Questions about sunshine hours

• How many hours of sunshine does Dammam get a year? On average over 1991–2020 the sun shines in Dammam for 3,391 hours a year – 9.3 hours a day and 76% of the time the sun is above the horizon.
• What is the sunniest month in Dammam? June, with 344 hours of sunshine, 11.5 a day on average. The least sun comes in February: 221 hours, 7.9 a day.
• Is Dammam a sunny city? Among the 5 large cities in Saudi Arabia with measurements, Dammam ranks number 1.
• Where do the figures come from? From the 1991–2020 climate normals of Deutscher Wetterdienst: Germany from its own station network, the rest of the world from the CLIMAT reports of the national weather services. Dammam uses the station Bahrein Airp..
• What counts as an hour of sunshine? By the World Meteorological Organization's definition the sun is shining once its direct radiation exceeds 120 watts per square metre. Just after sunrise and before sunset it is often too weak – which is why even deserts never reach 100%.

The sunniest large cities: United Kingdom

• 1. Southend-on-Sea: 1,846 h a year
• 2. Southampton: 1,780 h a year
• 3. Norwich: 1,719 h a year
• 4. London: 1,675 h a year
• 5. Plymouth: 1,673 h a year
• 6. Bristol: 1,654 h a year
• 7. Swansea: 1,644 h a year
• 8. Sheffield: 1,631 h a year
• 9. Edinburgh: 1,575 h a year
• 10. Birmingham: 1,490 h a year

The cloudiest large cities: United Kingdom

• 1. Glasgow: 1,153 h a year
• 2. Belfast: 1,372 h a year
• 3. Aberdeen: 1,448 h a year
• 4. Leeds: 1,488 h a year

The sunniest large cities in the world

• 1. Dubai: 3,610 h a year
• 2. Victoria de Durango: 3,573 h a year
• 3. Abu Dhabi: 3,522 h a year
• 4. Hermosillo: 3,479 h a year
• 5. Kassala: 3,451 h a year
• 6. Iranshahr: 3,410 h a year
• 7. Dammam: 3,391 h a year
• 8. Gaborone: 3,388 h a year
• 9. Zahedan: 3,386 h a year
• 10. Yazd: 3,381 h a year

The cloudiest large cities in the world

• 1. Chengdu: 962 h a year
• 2. Chongqing: 985 h a year
• 3. Sukabumi: 1,082 h a year
• 4. Glasgow: 1,153 h a year
• 5. Tanjung Pinang: 1,172 h a year
• 6. Medan: 1,201 h a year
• 7. Samarinda: 1,275 h a year
• 8. Sungai Penuh: 1,311 h a year
• 9. Limerick: 1,339 h a year
• 10. Huaihua: 1,352 h a year

• Data: Deutscher Wetterdienst (DWD), sunshine duration climate normals 1991–2020, CC BY 4.0. Possible hours: time between sunrise and sunset.