Sunshine hours in Porto Alegre: 2,155 hours a year, month by month

Porto Alegre gets 2,155 hours of sunshine a year on average (5.9 a day). Sunniest month: December with 239 hours. Every month, measured 1991–2020.

• Porto Alegre gets 2,155 hours of sunshine a year on average, 5.9 a day – 49% of the astronomically possible. The sunniest month is December with 239 hours (7.7 a day), the dullest June with 119 (4.0 a day).
• Number 111 of 168 large cities in Brazil.
• Nearest weather station: Porto Alegre, 5 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 238 h · 7.7 h a day · 56 %
• February: 207 h · 7.4 h a day · 56 %
• March: 207 h · 6.7 h a day · 54 %
• April: 167 h · 5.6 h a day · 49 %
• May: 144 h · 4.6 h a day · 44 %
• June: 119 h · 4.0 h a day · 39 %
• July: 134 h · 4.3 h a day · 41 %
• August: 150 h · 4.8 h a day · 44 %
• September: 150 h · 5.0 h a day · 42 %
• October: 176 h · 5.7 h a day · 44 %
• November: 224 h · 7.5 h a day · 55 %
• December: 239 h · 7.7 h a day · 55 %

Questions about sunshine hours

• How many hours of sunshine does Porto Alegre get a year? On average over 1991–2020 the sun shines in Porto Alegre for 2,155 hours a year – 5.9 hours a day and 49% of the time the sun is above the horizon.
• What is the sunniest month in Porto Alegre? December, with 239 hours of sunshine, 7.7 a day on average. The least sun comes in June: 119 hours, 4.0 a day.
• Is Porto Alegre a sunny city? Among the 168 large cities in Brazil with measurements, Porto Alegre ranks number 111.
• 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. Porto Alegre uses the station Porto Alegre.
• 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.