Sunshine hours in Dublin: 1,470 hours a year, month by month

Dublin gets 1,470 hours of sunshine a year on average (4.0 a day). Sunniest month: May with 199 hours. Every month, measured 1991–2020.

• Dublin gets 1,470 hours of sunshine a year on average, 4.0 a day – 33% of the astronomically possible. The sunniest month is May with 199 hours (6.4 a day), the dullest December with 54 (1.7 a day).
• The sunniest of 3 large cities in Ireland.
• Nearest weather station: Dublin Airp., 8 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 59 h · 1.9 h a day · 23 %
• February: 81 h · 2.9 h a day · 29 %
• March: 115 h · 3.7 h a day · 31 %
• April: 161 h · 5.4 h a day · 38 %
• May: 199 h · 6.4 h a day · 40 %
• June: 179 h · 6.0 h a day · 35 %
• July: 157 h · 5.1 h a day · 31 %
• August: 156 h · 5.0 h a day · 34 %
• September: 131 h · 4.4 h a day · 34 %
• October: 105 h · 3.4 h a day · 32 %
• November: 73 h · 2.4 h a day · 28 %
• December: 54 h · 1.7 h a day · 23 %

Questions about sunshine hours

• How many hours of sunshine does Dublin get a year? On average over 1991–2020 the sun shines in Dublin for 1,470 hours a year – 4.0 hours a day and 33% of the time the sun is above the horizon.
• What is the sunniest month in Dublin? May, with 199 hours of sunshine, 6.4 a day on average. The least sun comes in December: 54 hours, 1.7 a day.
• Is Dublin a sunny city? Among the 3 large cities in Ireland with measurements, Dublin 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. Dublin uses the station Dublin 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.