Sunshine hours in Hong Kong: 1,829 hours a year, month by month

Hong Kong gets 1,829 hours of sunshine a year on average (5.0 a day). Sunniest month: October with 198 hours. Every month, measured 1991–2020.

• Hong Kong gets 1,829 hours of sunshine a year on average, 5.0 a day – 41% of the astronomically possible. The sunniest month is October with 198 hours (6.4 a day), the dullest March with 100 (3.2 a day).
• The sunniest of 21 large cities in Hong Kong.
• Weather station: Hongkong/Kowloon – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 146 h · 4.7 h a day · 43 %
• February: 102 h · 3.6 h a day · 32 %
• March: 100 h · 3.2 h a day · 27 %
• April: 113 h · 3.8 h a day · 30 %
• May: 139 h · 4.5 h a day · 34 %
• June: 144 h · 4.8 h a day · 36 %
• July: 197 h · 6.4 h a day · 48 %
• August: 182 h · 5.9 h a day · 46 %
• September: 174 h · 5.8 h a day · 47 %
• October: 198 h · 6.4 h a day · 55 %
• November: 172 h · 5.7 h a day · 52 %
• December: 162 h · 5.2 h a day · 48 %

Questions about sunshine hours

• How many hours of sunshine does Hong Kong get a year? On average over 1991–2020 the sun shines in Hong Kong for 1,829 hours a year – 5.0 hours a day and 41% of the time the sun is above the horizon.
• What is the sunniest month in Hong Kong? October, with 198 hours of sunshine, 6.4 a day on average. The least sun comes in March: 100 hours, 3.2 a day.
• Is Hong Kong a sunny city? Among the 21 large cities in Hong Kong with measurements, Hong Kong 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. Hong Kong uses the station Hongkong/Kowloon.
• 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.