Sunshine hours in Saint-Denis: 2,561 hours a year, month by month

Saint-Denis gets 2,561 hours of sunshine a year on average (7.0 a day). Sunniest month: December with 226 hours. Every month, measured 1991–2020.

• Saint-Denis gets 2,561 hours of sunshine a year on average, 7.0 a day – 58% of the astronomically possible. The sunniest month is December with 226 hours (7.3 a day), the dullest February with 195 (7.0 a day).
• Nearest weather station: Saint-Denis/Reunion, 9 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 218 h · 7.0 h a day · 53 %
• February: 195 h · 7.0 h a day · 54 %
• March: 214 h · 6.9 h a day · 57 %
• April: 216 h · 7.2 h a day · 62 %
• May: 213 h · 6.9 h a day · 62 %
• June: 210 h · 7.0 h a day · 64 %
• July: 222 h · 7.2 h a day · 65 %
• August: 216 h · 7.0 h a day · 61 %
• September: 210 h · 7.0 h a day · 58 %
• October: 210 h · 6.8 h a day · 54 %
• November: 211 h · 7.0 h a day · 54 %
• December: 226 h · 7.3 h a day · 55 %

Questions about sunshine hours

• How many hours of sunshine does Saint-Denis get a year? On average over 1991–2020 the sun shines in Saint-Denis for 2,561 hours a year – 7.0 hours a day and 58% of the time the sun is above the horizon.
• What is the sunniest month in Saint-Denis? December, with 226 hours of sunshine, 7.3 a day on average. The least sun comes in February: 195 hours, 7.0 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. Saint-Denis uses the station Saint-Denis/Reunion.
• 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 States

• 1. Phoenix: 3,873 h a year
• 2. Las Vegas: 3,826 h a year
• 3. Tucson: 3,806 h a year
• 4. Reno: 3,647 h a year
• 5. Sacramento: 3,609 h a year
• 6. Fresno: 3,565 h a year
• 7. Chico: 3,542 h a year
• 8. Colorado Springs: 3,463 h a year
• 9. Albuquerque: 3,414 h a year
• 10. Amarillo: 3,298 h a year

The cloudiest large cities: United States

• 1. Pittsburgh: 1,972 h a year
• 2. Anchorage: 2,063 h a year
• 3. Syracuse: 2,120 h a year
• 4. Seattle: 2,170 h a year
• 5. Columbus: 2,182 h a year
• 6. Grand Rapids: 2,188 h a year
• 7. Buffalo: 2,206 h a year
• 8. Meads: 2,259 h a year
• 9. Cleveland: 2,281 h a year
• 10. Rochester: 2,299 h a year

The sunniest large cities in the world

• 1. Mexicali: 4,017 h a year
• 2. Phoenix: 3,873 h a year
• 3. Las Vegas: 3,826 h a year
• 4. Tucson: 3,806 h a year
• 5. Ciudad Juárez: 3,763 h a year
• 6. Reno: 3,647 h a year
• 7. Dubai: 3,610 h a year
• 8. Sacramento: 3,609 h a year
• 9. Victoria de Durango: 3,573 h a year
• 10. Fresno: 3,565 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.