The hottest month in Bicol is May when the average maximum temperature is 33°, average temperature is 29° and average minimum temperature is 25°.
The coolest month in Bicol is January when the average maximum temperature is 28°, average temperature is 26° and average minimum temperature is 23°.
The longest days in Bicol are in June, with an average of 12.9 hours of daylight per day. December has the shortest days with an average of 11.3 hours of daylight per day.
The sunniest days in Bicol are in April which has the most hours of sunshine per day with an average of 6.9 hours of sunshine per day, making it a quite sunny month with some cloud cover. January has the least sunshine with an average of 4.9 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in April when it reaches 14.5 and lowest in December when it reaches 9.5.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Bicol are found in July when they peak at 30° and lowest in January when they dip to 27°.
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Bicol is November with 26.8cm of rain and December has the most days of rain with 21.9 days with some rain, a very wet time to visit the beach.
The driest month in Bicol is March with 6cm of rain and April has the fewest days of rain with 9.1 days with some rain, a dry time to visit the beach.
The most humid month in Bicol is May with a dew point (an indicator of humidity) of 28° which is extremely humid and uncomfortable unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Bicol is January with a dew point of 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The most windy month in Bicol is January when the average maximum windspeed is 22kmh and the average wind speed is 13kmh.
The least windy month in Bicol is May when the average maximum windspeed is 17kmh and the average wind speed is 8kmh.