Weather in Ilha de Santiago: August
| Average day temperature: | 82.8°F | |
| Average night temperature: | 77.9°F | |
| Sea water temperature: | 80.0°F | |
| Number of sunny days: | 6 days | |
| Day length: | 12.4 - 12.8 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.3 in. | |
| more information | ||
forecast
| Ilha de Santiago |
temperature
| Ilha de Santiago |
Air temperature in August, °F
The highest day temperature during August of 2025 was 82°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during August were 79.8°F and 76.1°F.
Sea water temperature in Ilha de Santiago in August, °F
The average sea water temperature in August of 2025 was 79.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 77.9°F.
Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Ilha de Santiago in August is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in August is 8.3 mph It makes August lest windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 6.6.
Best time for vacation in Ilha de Santiago
Ilha de Santiago on a weather map

15 mph

14 mph

14 mph

12 mph

13 mph

12 mph

11 mph

12 mph


























