Sao Luis Weather: August
![]() |
Average Day Temperature: | 90.9°F |
![]() |
Average Night Temperature: | 79.4°F |
![]() |
Sea Water Temperature: | 87.3°F |
![]() |
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 12.0 - 12.1 hours | |
![]() |
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.3 in | |
| detailed information | ||
forecast
| Sao Luis |
Temperature
| Sao Luis |
Air Temperature in August, °F
The highest day temperature in August 2026 was 90°F. The lowest night temperature was 80°F. The average values for day and night temperatures during August were 86.9°F и 81.9°F respectivly.
Sao Luis Water Sea Temperature in August, °F
The average sea surface temperature in August 2026 for Sao Luis was 87.0°F. The maximum and minimum values were 86.4°F and 87.8°F respectively.
Most of the days in August are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Sao Luis is 0.3 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 9.1 mph. It makes August one of the most windy months of the year for Sao Luis.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sao Luis in August is 7.3 hours.
| Angra dos Reis | ![]() |
+66 |
| Balneario Camboriu | ![]() |
+62 |
| Buzios | ![]() |
+70 |
| Florianopolis | ![]() |
+64 |
| Fortaleza | ![]() |
+84 |
| Ilha de Itamaraca | ![]() |
+82 |
| Joao Pessoa | ![]() |
+82 |
| Natal | ![]() |
+80 |
| Recife | ![]() |
+78 |
| Rio de Janeiro | ![]() |
+70 |
| Santos | ![]() |
+66 |
| Sao Jose de Ribamar | ![]() |
+84 |
| Sao Paulo | ![]() |
+56 |
| Sao Sebastiao | ![]() |
+62 |
| Xangri-la | ![]() |
+60 |
| 1800 | ![]() |
84°F | SW 16 mph |
| 2100 | ![]() |
84°F | SW 16 mph |
| 0000 | ![]() |
82°F | SW 16 mph |
| 0300 | ![]() |
82°F | W 16 mph |
| 0600 | ![]() |
84°F | W 19 mph |
| 0900 | ![]() |
86°F | W 17 mph |
| 1200 | ![]() |
90°F | SW 20 mph |
| 1500 | ![]() |
86°F | SW 21 mph |





































