December weather forecast
Golfito, Costa Rica

To conclude the calendar year, December presents a marked drop in rainfall to 177mm (6.97"). This shift constitutes the city's move towards its dry season, with rain visibly less frequent than in previous months. Despite the fading rains, warm temperatures persist, offering a pleasant warmth to end the year. The sea remains inviting as no significant drop in temperatures occurs. The end of Golfito's rainy season sees a return to extended sunny spells, bidding the year farewell on a high note.

Temperature

The coldest period, with an average high-temperature of 29°C (84.2°F), falls in August through December.

Rainfall

In Golfito, during December, the rain falls for 15 days and regularly aggregates up to 177mm (6.97") of precipitation. In Golfito, during the entire year, the rain falls for 193 days and collects up to 3730mm (146.85") of precipitation.

Sea temperature

In December, the average sea temperature in Golfito is 28.1°C (82.6°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

With an average of 11h and 36min of daylight, December has the shortest days of the year in Golfito.
On the first day of the month, sunrise is at 05:32 and sunset at 17:11. On the last day of December, in Golfito, sunrise is at 05:46 and sunset at 17:24 CST.

Sunshine

In December, the average sunshine in Golfito is 6h.

UV index

January, November and December, with an average maximum UV index of 11, are months with the lowest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 11 in December interprets into the following advice:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Applying and reapplying a broad-spectrum sunscreen with a minimum SPF 30 after every two hours, outdoor workout, or swim is recommended. Take note! The UV strength of the Sun elevates when reflected off water and sand.