Sunshine hours in Mexicali: 4,017 hours a year, month by month

Mexicali gets 4,017 hours of sunshine a year on average (11.0 a day). Sunniest month: June with 415 hours. Every month, measured 1961–1990.

• Mexicali gets 4,017 hours of sunshine a year on average, 11.0 a day – 90% of the astronomically possible. The sunniest month is June with 415 hours (13.8 a day), the dullest December with 253 (8.2 a day).
• The sunniest of 129 large cities in Mexico.
• Nearest weather station: Yuma/Int'l Arpt AZ, 80 km away – 1961–1990 average, NOAA.

Sunshine hours month by month

• January: 268 h · 8.6 h a day · 84 %
• February: 271 h · 9.7 h a day · 88 %
• March: 336 h · 10.8 h a day · 90 %
• April: 366 h · 12.2 h a day · 94 %
• May: 407 h · 13.1 h a day · 95 %
• June: 415 h · 13.8 h a day · 97 %
• July: 393 h · 12.7 h a day · 90 %
• August: 376 h · 12.1 h a day · 91 %
• September: 342 h · 11.4 h a day · 92 %
• October: 320 h · 10.3 h a day · 91 %
• November: 270 h · 9.0 h a day · 86 %
• December: 253 h · 8.2 h a day · 81 %

Questions about sunshine hours

• How many hours of sunshine does Mexicali get a year? On average over 1961–1990 the sun shines in Mexicali for 4,017 hours a year – 11.0 hours a day and 90% of the time the sun is above the horizon.
• What is the sunniest month in Mexicali? June, with 415 hours of sunshine, 13.8 a day on average. The least sun comes in December: 253 hours, 8.2 a day.
• Is Mexicali a sunny city? Among the 129 large cities in Mexico with measurements, Mexicali ranks number 1.
• Where do the figures come from? From the WMO climate normals 1961–1990 as archived by NOAA. There are no newer figures: the US stopped measuring sunshine duration in the 1990s. Mexicali uses the station Yuma/Int'l Arpt AZ, measured 1961–1990.
• 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: NOAA, WMO climate normals of sunshine duration, 1961–1990 average, public domain. Possible hours: time between sunrise and sunset.