The hottest month in Zambales is May when the average maximum temperature is 33°, average temperature is 29° and average minimum temperature is 25°.
The coolest month in Zambales is January when the average maximum temperature is 29°, average temperature is 25° and average minimum temperature is 22°.
The longest days in Zambales are in June, with an average of 13.1 hours of daylight per day. December has the shortest days with an average of 11.2 hours of daylight per day.
The sunniest days in Zambales are in April which has the most hours of sunshine per day with an average of 7.8 hours of sunshine per day, making it a quite sunny month with some cloud cover. August 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 14.3 and lowest in December when it reaches 9.
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 Zambales 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 Zambales is August with 41.1cm of rain and the most days of rain with 18.8 days with some rain, a wet time to visit the beach.
The driest month in Zambales is March with 6.8cm of rain and April has the fewest days of rain with 8 days with some rain, a dry time to visit the beach.
The most humid month in Zambales is May with a dew point (an indicator of humidity) of 23° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The least humid month in Zambales is January with a dew point of 20° which is somewhat uncomfortable for most people in cities but fine on a beach.
The most windy month in Zambales is January when the average maximum windspeed is 20kmh and the average wind speed is 10kmh.
The least windy month in Zambales is April when the average maximum windspeed is 16kmh and the average wind speed is 7kmh.