Weather in Ilha de Santiago: July
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Average day temperature: | 80.5°F |
| Average night temperature: | 75.3°F | |
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Sea water temperature: | 77.2°F |
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Number of sunny days: | 13 days |
| Day length: | 12.8 - 13.0 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
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forecast
| Ilha de Santiago |
temperature
| Ilha de Santiago |
Air temperature in July, °F
The highest day temperature during July of 2025 was 82°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during July were 77.8°F and 73.9°F.
Sea water temperature in Ilha de Santiago in July, °F
The average sea water temperature in July of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.8°F and 75.0°F.
Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Ilha de Santiago in July is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in July is 8.6 mph It makes July one of the least windy months 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 July is: 8.3.
Best time for vacation in Ilha de Santiago
Ilha de Santiago on a weather map
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