Sao Luis Weather: December
 |
Average Day Temperature: | 89.2°F |
|
Average Night Temperature: | 80.5°F |
|
Sea Water Temperature: | 86.7°F |
|
Number of Sunny Days: | 1 day |
| Sunshine Hours: | 12.3 - 12.3 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.6 in | |
| detailed information | ||
forecast
| Sao Luis |
Temperature
| Sao Luis |
Air Temperature in December, °F
The highest day temperature in December 2025 was 89°F. The lowest night temperature was 77°F. The average values for day and night temperatures during December were 86.5°F и 82.5°F respectivly.
Sao Luis Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Sao Luis was 85.7°F. The maximum and minimum values were 84.8°F and 86.2°F respectively.
Most of the days in December are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Sao Luis is 1.6 in.
The average wind speed in December is 8.9 mph. It makes December 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 December is 5.1 hours.
Sao Luis on the Weather Map
| Angra dos Reis |  |
+76 |
| Buzios | |
+78 |
| Florianopolis |  |
+74 |
| Fortaleza | |
+82 |
| Joao Pessoa |  |
+82 |
| Maceio | |
+82 |
| Natal | |
+82 |
| Porto Alegre | |
+80 |
| Recife | |
+82 |
| Rio de Janeiro | |
+78 |
| Rio Grande | |
+74 |
| Salvador | |
+84 |
| Santos | |
+78 |
| Sao Paulo | |
+72 |
| Sao Sebastiao | |
+78 |
| 0300 |  |
82°F | SW 11 mph |
| 0600 | |
80°F | SW 10 mph |
| 0900 | |
84°F | SW 9 mph |
| 1200 | |
84°F | SW 11 mph |
| 1500 | |
84°F | SW 12 mph |
| 1800 | |
82°F | SW 11 mph |
| 2100 | |
82°F | SW 12 mph |
| 0000 | |
82°F | S 11 mph |