Ilhabela Weather: December
 |
Average Day Temperature: | 83.2°F |
|
Average Night Temperature: | 70.2°F |
|
Sea Water Temperature: | 80.5°F |
|
Number of Sunny Days: | 5 days |
| Sunshine Hours: | 13.5 - 13.6 hours | |
|
Number of Rainy Days: | 7 days |
| Precipitation Totals: | 2.7 in | |
| detailed information | ||
forecast
| Ilhabela |
Temperature
| Ilhabela |
Air Temperature in December, °F
The highest day temperature in December 2025 was 92°F. The lowest night temperature was 67°F. The average values for day and night temperatures during December were 84.5°F и 73.4°F respectivly.
Ilhabela Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Ilhabela was 80.5°F. The maximum and minimum values were 77.4°F and 85.2°F respectively.
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Ilhabela is 2.7 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 4.6 mph. This value is relatively stable throughout the year.
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 Ilhabela in December is 5.5 hours.
Ilhabela on the Weather Map
| Angra dos Reis |  |
+74 |
| Buzios | |
+78 |
| Florianopolis | |
+74 |
| Fortaleza |  |
+80 |
| Joao Pessoa |  |
+80 |
| Maceio | |
+82 |
| Natal | |
+80 |
| Porto Alegre | |
+76 |
| Recife | |
+82 |
| Rio de Janeiro | |
+78 |
| Rio Grande | |
+74 |
| Salvador | |
+82 |
| Santos | |
+78 |
| Sao Paulo | |
+72 |
| Sao Sebastiao | |
+76 |
| 0300 |  |
76°F | S 3 mph |
| 0600 |  |
76°F | S 2 mph |
| 0900 | |
84°F | NE 2 mph |
| 1200 |  |
84°F | N 6 mph |
| 1500 | |
84°F | N 4 mph |
| 1800 | |
82°F | N 2 mph |
| 2100 | |
78°F | SE 1 mph |
| 0000 | |
78°F | SW 2 mph |