The hottest month in Cabo San Juan is July when the average maximum temperature is 33°, average temperature is 29° and average minimum temperature is 26°.
The coolest month in Cabo San Juan is January when the average maximum temperature is 32°, average temperature is 28° and average minimum temperature is 24°.
The longest days in Cabo San Juan are in June, with an average of 12.8 hours of daylight per day. January has the shortest days with an average of 11.5 hours of daylight per day.
The sunniest days in Cabo San Juan are in February 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. May has the least sunshine with an average of 5.6 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 14.8 and lowest in December when it reaches 10.1.
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 Cabo San Juan are found in March when they peak at 28° and lowest in September when they dip to 22°.
The sea is best for swimming between December and April when the temperature is above 25° which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Cabo San Juan is October with 2.6cm of rain and August has the most days of rain with 10.6 days with some rain, a slightly wet time to visit the beach.
The driest month in Cabo San Juan is January with 0cm of rain and the least days of rain with 0 days with some rain, an extremely dry time to visit the beach.
The most humid month in Cabo San Juan is May with a dew point (an indicator of humidity) of 26° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Cabo San Juan is February with a dew point of 24° 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 Cabo San Juan is March when the average maximum windspeed is 25kmh and the average wind speed is 8kmh.
The least windy month in Cabo San Juan is November when the average maximum windspeed is 16kmh and the average wind speed is 5kmh.