Sunshine hours in Opole: 1,724 hours a year, month by month

Opole gets 1,724 hours of sunshine a year on average (4.7 a day). Sunniest month: July with 242 hours. Every month, measured 1991–2020.

• Opole gets 1,724 hours of sunshine a year on average, 4.7 a day – 39% of the astronomically possible. The sunniest month is July with 242 hours (7.8 a day), the dullest December with 46 (1.5 a day).
• Number 16 of 22 large cities in Poland.
• Nearest weather station: Ostrava Airp., 109 km away – 1991–2020 average, Deutscher Wetterdienst.

Sunshine hours month by month

• January: 51 h · 1.6 h a day · 19 %
• February: 71 h · 2.5 h a day · 25 %
• March: 122 h · 3.9 h a day · 33 %
• April: 183 h · 6.1 h a day · 44 %
• May: 213 h · 6.9 h a day · 44 %
• June: 224 h · 7.5 h a day · 46 %
• July: 242 h · 7.8 h a day · 49 %
• August: 238 h · 7.7 h a day · 53 %
• September: 161 h · 5.4 h a day · 42 %
• October: 112 h · 3.6 h a day · 34 %
• November: 61 h · 2.0 h a day · 23 %
• December: 46 h · 1.5 h a day · 18 %

Questions about sunshine hours

• How many hours of sunshine does Opole get a year? On average over 1991–2020 the sun shines in Opole for 1,724 hours a year – 4.7 hours a day and 39% of the time the sun is above the horizon.
• What is the sunniest month in Opole? July, with 242 hours of sunshine, 7.8 a day on average. The least sun comes in December: 46 hours, 1.5 a day.
• Is Opole a sunny city? Among the 22 large cities in Poland with measurements, Opole ranks number 16.
• 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. Opole uses the station Ostrava 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 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.