Weather in Sao Luis: May
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Average day temperature: | 84.3°F |
| Average night temperature: | 75.7°F | |
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Sea water temperature: | 84.8°F |
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Number of sunny days: | 0 days |
| Day length: | 12.0 - 12.0 hours | |
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Number of rainy days: | 11 days |
| Precipitation totals: | 4.5 in. | |
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forecast
| Sao Luis |
temperature
| Sao Luis |
Air temperature in May, °F
The highest day temperature during May of 2025 was 85°F. At the same time the lowest night temperature was 76°F. Daily and nightly averages during May were 83.4°F and 78.2°F.
Sea water temperature in Sao Luis in May, °F
The average sea water temperature in May of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°F.
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Sao Luis in May is 4.5 in.
The average wind speed value in May is 5.3 mph It makes May 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 May is: 3.8.
Best time for vacation in Sao Luis
Sao Luis on a weather map
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