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> French Guiana > Cayenne > Sunlight
Sunshine & Daylight Hours in Cayenne, French Guiana
- The data suggests sunlight hours in Cayenne range from 4h 00' daily in February to 8h 42' each day in October.
- The longest day of the year is 12h 16' long and the shortest day is 11h 43' long.
- The longest day is 0h 33' longer than the shortest day.
- There is an average of 2224 hours of sunlight per year (of a possible 4383) with an average of 6:05 of sunlight per day.
- It is sunny 50.7% of daylight hours. The remaining 49.3% of daylight hours are likely cloudy or with shade, haze or low sun intensity.
- At midday the sun is on average 74.8° above the horizon at Cayenne.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Sunlight Hours/ Day | 4h 36' | 4h 00' | 4h 25' | 4h 20' | 4h 25' | 5h 40' | 6h 42' | 7h 30' | 8h 42' | 8h 34' | 7h 48' | 6h 11' | 6h 05' | ||
| Average Daylight Hours & Minutes/ Day | 11h 52' | 11h 57' | 12h 05' | 12h 13' | 12h 20' | 12h 23' | 12h 22' | 12h 16' | 12h 08' | 12h 00' | 11h 53' | 11h 50' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 39 (61) | 34 (66) | 37 (63) | 36 (64) | 36 (64) | 46 (54) | 55 (45) | 62 (38) | 72 (28) | 72 (28) | 66 (34) | 53 (47) | 51 (49) | ||
| Sun altitude at solar noon on the 21st day (°). | 65.2 | 74.4 | 85.2 | 82.9 | 74.6 | 71.4 | 74.4 | 82.8 | 85.4 | 73.9 | 64.9 | 61.7 | 74.8 |