Sunshine hours in Kassala: 3,451 hours a year, month by month

Kassala gets 3,451 hours of sunshine a year on average (9.5 a day). Sunniest month: December with 313 hours. Every month, measured 1991–2020.

• Kassala gets 3,451 hours of sunshine a year on average, 9.5 a day – 78% of the astronomically possible. The sunniest month is December with 313 hours (10.1 a day), the dullest August with 239 (7.7 a day).
• The sunniest of 20 large cities in Sudan.
• Weather station: Kassala – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 310 h · 10.0 h a day · 88 %
• February: 286 h · 10.2 h a day · 88 %
• March: 307 h · 9.9 h a day · 82 %
• April: 297 h · 9.9 h a day · 79 %
• May: 298 h · 9.6 h a day · 75 %
• June: 276 h · 9.2 h a day · 71 %
• July: 242 h · 7.8 h a day · 60 %
• August: 239 h · 7.7 h a day · 61 %
• September: 276 h · 9.2 h a day · 75 %
• October: 304 h · 9.8 h a day · 83 %
• November: 303 h · 10.1 h a day · 88 %
• December: 313 h · 10.1 h a day · 90 %

Questions about sunshine hours

• How many hours of sunshine does Kassala get a year? On average over 1991–2020 the sun shines in Kassala for 3,451 hours a year – 9.5 hours a day and 78% of the time the sun is above the horizon.
• What is the sunniest month in Kassala? December, with 313 hours of sunshine, 10.1 a day on average. The least sun comes in August: 239 hours, 7.7 a day.
• Is Kassala a sunny city? Among the 20 large cities in Sudan with measurements, Kassala 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. Kassala uses the station Kassala.
• 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.