Sunshine hours in Buenos Aires: 2,584 hours a year, month by month

Buenos Aires gets 2,584 hours of sunshine a year on average (7.1 a day). Sunniest month: December with 288 hours. Every month, measured 1991–2020.

• Buenos Aires gets 2,584 hours of sunshine a year on average, 7.1 a day – 58% of the astronomically possible. The sunniest month is December with 288 hours (9.3 a day), the dullest June with 149 (5.0 a day).
• Number 13 of 38 large cities in Argentina.
• Nearest weather station: Aeroparque, 5 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 286 h · 9.2 h a day · 65 %
• February: 241 h · 8.6 h a day · 65 %
• March: 237 h · 7.6 h a day · 62 %
• April: 192 h · 6.4 h a day · 57 %
• May: 174 h · 5.6 h a day · 54 %
• June: 149 h · 5.0 h a day · 50 %
• July: 155 h · 5.0 h a day · 50 %
• August: 184 h · 5.9 h a day · 55 %
• September: 197 h · 6.6 h a day · 55 %
• October: 220 h · 7.1 h a day · 55 %
• November: 261 h · 8.7 h a day · 62 %
• December: 288 h · 9.3 h a day · 64 %

Questions about sunshine hours

• How many hours of sunshine does Buenos Aires get a year? On average over 1991–2020 the sun shines in Buenos Aires for 2,584 hours a year – 7.1 hours a day and 58% of the time the sun is above the horizon.
• What is the sunniest month in Buenos Aires? December, with 288 hours of sunshine, 9.3 a day on average. The least sun comes in June: 149 hours, 5.0 a day.
• Is Buenos Aires a sunny city? Among the 38 large cities in Argentina with measurements, Buenos Aires ranks number 13.
• 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. Buenos Aires uses the station Aeroparque.
• 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.