The hottest month in Cagayan is June when the average maximum temperature is 34°, average temperature is 30° and average minimum temperature is 25°.
The coolest month in Cagayan is January when the average maximum temperature is 26°, average temperature is 24° and average minimum temperature is 21°.
The longest days in Cagayan are in June, with an average of 13.2 hours of daylight per day. December has the shortest days with an average of 11 hours of daylight per day.
The sunniest days in Cagayan are in May which has the most hours of sunshine per day with an average of 8.3 hours of sunshine per day, making it a sunny month with few clouds. November has the least sunshine with an average of 4.6 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 13.7 and lowest in December when it reaches 7.9.
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 Cagayan are found in July when they peak at 30° and lowest in January when they dip to 26°.
The sea is best for swimming between April and December when the temperature is above 28° which is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Cagayan is November with 39.6cm of rain and the most days of rain with 21 days with some rain, a very wet time to visit the beach.
The driest month in Cagayan is April with 3.5cm of rain and the least days of rain with 5 days with some rain, a very dry time to visit the beach.
The most humid month in Cagayan is June with a dew point (an indicator of humidity) of 27° 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 Cagayan is January with a dew point 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 most windy month in Cagayan is December when the average maximum windspeed is 34kmh and the average wind speed is 19kmh.
The least windy month in Cagayan is July when the average maximum windspeed is 18kmh and the average wind speed is 9kmh.