Sunshine & Daylight Hours in Lisbon, Portugal
- On balance hours of sunshine in Lisbon range between 5h 07' per day in December and 12h 11' for each day in July.
- The longest day of the year is 14h 42' long and the shortest day is 9h 17' long.
- The longest day is 5h 25' longer than the shortest day.
- There is an average of 3023 hours of sunlight per year (of a possible 4383) with an average of 8:16 of sunlight per day.
- It is sunny 69% of daylight hours. The remaining 31% of daylight hours are likely cloudy or with shade, haze or low sun intensity.
- At midday the sun is on average 51.6° above the horizon at Lisbon.
- The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 74.72° above the horizon.
- The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 27.88° above the horizon.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Sunlight Hours/ Day | 5h 11' | 6h 26' | 6h 38' | 8h 50' | 9h 42' | 11h 00' | 12h 11' | 11h 30' | 9h 18' | 7h 27' | 5h 48' | 5h 07' | 8h 16' | ||
| Average Daylight Hours & Minutes/ Day | 9h 46' | 10h 41' | 11h 53' | 13h 10' | 14h 15' | 14h 49' | 14h 34' | 13h 38' | 12h 23' | 11h 06' | 10h 01' | 9h 29' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 54 (46) | 61 (39) | 57 (43) | 68 (32) | 69 (31) | 75 (25) | 85 (15) | 85 (15) | 76 (24) | 68 (32) | 59 (41) | 55 (45) | 69 (31) | ||
| Sun altitude at solar noon on the 21st day (°). | 31.4 | 40.7 | 51.6 | 63.2 | 71.5 | 74.7 | 71.7 | 63.3 | 51.9 | 40.4 | 31.3 | 27.9 | 51.6 |