The longest days in Playa Ancon are in June, with an average of 13.5 hours of daylight per day. December has the shortest days with an average of 10.8 hours of daylight per day.
The sunniest days in Playa Ancon are in April which has the most hours of sunshine per day with an average of 8 hours of sunshine per day, making it a quite sunny month with some cloud cover. October has the least sunshine with an average of 6.3 hours of sunshine per day, making it a quite sunny month with some cloud cover.
The ultraviolet index is the highest in May when it reaches 13 and lowest in December when it reaches 6.5.
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 Playa Ancon are found in September when they peak at 30° and lowest in February when they dip to 25°.
The sea is best for swimming between June and December when the temperature is above 27° which is very warm and ideal for relaxing and swimming for the whole day.