The hottest month in Gibraltar is August when the average maximum temperature is 28°, average temperature is 24° and average minimum temperature is 21°.
The coolest month in Gibraltar is January when the average maximum temperature is 16°, average temperature is 13° and average minimum temperature is 11°.
The longest days in Gibraltar are in June, with an average of 14.6 hours of daylight per day. December has the shortest days with an average of 9.7 hours of daylight per day.
The sunniest days in Gibraltar are in July which has the most hours of sunshine per day with an average of 11.2 hours of sunshine per day, making it a very sunny and pleasant month with long bright days. January has the least sunshine with an average of 5 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in July when it reaches 10.7 and lowest in December when it reaches 2.4.
An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. 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 Gibraltar are found in August when they peak at 23° and lowest in March when they dip to 16°.
The sea is best for swimming between June and December when the temperature is above 19° which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The wettest month in Gibraltar is September with 13.1cm of rain and February has the most days of rain with 11.4 days with some rain, a slightly wet time to visit the beach.
The driest month in Gibraltar is August with 0cm of rain and July has the fewest days of rain with 0.7 days with some rain, an extremely dry time to visit the beach.
The most humid month in Gibraltar is August with a dew point (an indicator of humidity) of 21° which is somewhat uncomfortable for most people in cities but fine on a beach.
The least humid month in Gibraltar is February with a dew point of 11° which is very comfortable.
The most windy month in Gibraltar is February when the average maximum windspeed is 34kmh and the average wind speed is 21kmh.
The least windy month in Gibraltar is October when the average maximum windspeed is 26kmh and the average wind speed is 15kmh.
