May weather forecast
Rio Dulce, Guatemala

The weather shifts in May as Rio Dulce starts to enter the wet season, with a drastic increase in rainfall, jumping to 180mm (7.09"). However, temperatures continue to be on the higher side, providing a blend of summer and monsoon. With daylight hours reaching an almost peak of 12.9 hours, nature and adventure lovers can still find ample opportunity to explore. However, the transition into a wetter and cloudier period means that UV exposure, though still significant, starts to decrease slightly from its peak.

Temperature

Rio Dulce's peak temperatures tend to occur in April through June, with an average high-temperature of 33°C (91.4°F).

Rainfall

In Rio Dulce, in May, during 10 rainfall days, 180mm (7.09") of precipitation is typically accumulated. Throughout the year, there are 171 rainfall days, and 2684mm (105.67") of precipitation is accumulated.

Daylight

The average length of the day in May in Rio Dulce is 12h and 52min.
On the first day of the month, sunrise is at 05:31 and sunset at 18:14. On the last day of May, in Rio Dulce, Guatemala, sunrise is at 05:23 and sunset at 18:23 CST.

Sunshine

March through May and August, with an average of 7h of sunshine, are months with the most sunshine in Rio Dulce.

UV index

The months with the highest UV index in Rio Dulce are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 12 during May translates into these guidelines:
Carry out all important precautions, unprotected skin could get burns in no time. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Sunscreen of at least SPF 30 should be applied generously and reapplied often on overcast days, especially post swim or outdoor exercise.