The hottest month in Largo is August when the average maximum temperature is 32°, average temperature is 29° and average minimum temperature is 26°.
The coolest month in Largo is January when the average maximum temperature is 26°, average temperature is 23° and average minimum temperature is 21°.
The longest days in Largo are in June, with an average of 13.4 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 Largo are in July which has the most hours of sunshine per day with an average of 8.8 hours of sunshine per day, making it a sunny month with few clouds. October has the least sunshine with an average of 6.5 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 Largo are found in September when they peak at 30° and lowest in February when they dip to 26°.
The sea is best for swimming between May 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 Largo is October with 12.1cm of rain and the most days of rain with 9.6 days with some rain, a dry time to visit the beach.
The driest month in Largo is January with 0.2cm of rain and the least days of rain with 2.3 days with some rain, a very dry time to visit the beach.
The most humid month in Largo is August with a dew point (an indicator of humidity) of 26° 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 Largo is January with a dew point of 21° which is somewhat uncomfortable for most people in cities but fine on a beach.
The most windy month in Largo is March when the average maximum windspeed is 28kmh and the average wind speed is 18kmh.
The least windy month in Largo is September when the average maximum windspeed is 20kmh and the average wind speed is 12kmh.