Sunshine & Daylight Hours in Istanbul, Turkey
- Sunshine hours in Istanbul range between 2h 36' daily in January & 11h 36' for every day in July.
- The longest day of the year is 14h 56' long and the shortest day is 9h 03' long.
- The longest day is 5h 53' longer than the shortest day.
- There is an average of 2421 hours of sunlight per year (of a possible 4383) with an average of 6:37 of sunlight per day.
- It is sunny 55.2% of daylight hours. The remaining 44.8% of daylight hours are likely cloudy or with shade, haze or low sun intensity.
- At midday the sun is on average 49.4° above the horizon at Istanbul.
- The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 72.47° above the horizon.
- The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 25.63° above the horizon.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Sunlight Hours/ Day | 2h 36' | 3h 34' | 4h 30' | 6h 18' | 8h 36' | 10h 36' | 11h 36' | 10h 54' | 8h 12' | 5h 54' | 3h 42' | 2h 48' | 6h 37' | ||
| Average Daylight Hours & Minutes/ Day | 9h 35' | 10h 34' | 11h 52' | 13h 16' | 14h 27' | 15h 03' | 14h 47' | 13h 46' | 12h 25' | 11h 02' | 9h 51' | 9h 16' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 28 (72) | 34 (66) | 39 (61) | 48 (52) | 60 (40) | 71 (29) | 79 (21) | 80 (20) | 67 (33) | 54 (46) | 38 (62) | 31 (69) | 55 (45) | ||
| Sun altitude at solar noon on the 21st day (°). | 29.1 | 38.4 | 49.3 | 60.9 | 69.2 | 72.5 | 69.4 | 61.1 | 49.7 | 38.2 | 29 | 25.6 | 49.4 |