Sunshine hours in Willemstad: 3,214 hours a year, month by month

Willemstad gets 3,214 hours of sunshine a year on average (8.8 a day). Sunniest month: August with 306 hours. Every month, measured 1991–2020.

• Willemstad gets 3,214 hours of sunshine a year on average, 8.8 a day – 73% of the astronomically possible. The sunniest month is August with 306 hours (9.9 a day), the dullest November with 238 (7.9 a day).
• Nearest weather station: Hato Intern. Airp., 12 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 271 h · 8.7 h a day · 76 %
• February: 258 h · 9.2 h a day · 78 %
• March: 273 h · 8.8 h a day · 73 %
• April: 257 h · 8.6 h a day · 69 %
• May: 264 h · 8.5 h a day · 67 %
• June: 271 h · 9.0 h a day · 70 %
• July: 296 h · 9.5 h a day · 75 %
• August: 306 h · 9.9 h a day · 79 %
• September: 271 h · 9.0 h a day · 74 %
• October: 255 h · 8.2 h a day · 69 %
• November: 238 h · 7.9 h a day · 69 %
• December: 254 h · 8.2 h a day · 72 %

Questions about sunshine hours

• How many hours of sunshine does Willemstad get a year? On average over 1991–2020 the sun shines in Willemstad for 3,214 hours a year – 8.8 hours a day and 73% of the time the sun is above the horizon.
• What is the sunniest month in Willemstad? August, with 306 hours of sunshine, 9.9 a day on average. The least sun comes in November: 238 hours, 7.9 a day.
• 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. Willemstad uses the station Hato Intern. 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.