December weather forecast
Rio Dulce, Guatemala

Concluding the year, December in Rio Dulce witnesses the lowest rainfall in the second half of the year, a total of 165mm (6.5"). As the dry season returns, cooler evenings and decreased rainfall encourage outdoor adventures and travel plans. The warm temperature, however, continues to persist, maintaining the tropical charm of the city. Like November, UV radiation reduces to a moderate range, suggesting a lesser likelihood of harmful sun exposure. Hence, a visit to Rio Dulce during this period is highly justified.

Temperature

The high-temperature average in December for Rio Dulce, Guatemala, is a still moderately hot 28°C (82.4°F), staying consistent with the climate of the preceding month. In December, Rio Dulce encounters an average low-temperature of 20°C (68°F) during the night.

Rainfall

In Rio Dulce, in December, it is raining for 13 days, with typically 165mm (6.5") of accumulated precipitation. Throughout the year, there are 171 rainfall days, and 2684mm (105.67") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Rio Dulce, with an average of 11h and 12min of daylight.
On the first day of December in Rio Dulce, sunrise is at 06:07 and sunset at 17:23. On the last day of the month, sunrise is at 06:22 and sunset at 17:35 CST.

Sunshine

November and December, with an average of 5h of sunshine, are months with the least sunshine in Rio Dulce.

UV index

The month with the lowest UV index in Rio Dulce is December, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 8 in December, converts into the following recommendations:
Be constantly cautious; skin and eyes can be quickly affected if left unprotected. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.