The hottest month in Karpathos is August when the average maximum temperature is 30°, average temperature is 27° and average minimum temperature is 24°.
The coolest month in Karpathos is February when the average maximum temperature is 15°, average temperature is 14° and average minimum temperature is 12°.
The longest days in Karpathos are in June, with an average of 14.6 hours of daylight per day. December has the shortest days with an average of 9.8 hours of daylight per day.
The sunniest days in Karpathos are in June which has the most hours of sunshine per day with an average of 12.4 hours of sunshine per day, making it a extremely sunny and pleasant month with exceptionally long bright days. December has the least sunshine with an average of 6.4 hours of sunshine per day, making it a quite sunny month with some cloud cover.
The ultraviolet index is the highest in July when it reaches 10.9 and lowest in December when it reaches 2.4.
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 Karpathos are found in August when they peak at 25° and lowest in February when they dip to 16°.
The sea is best for swimming between June and December when the temperature is above 20° which is comfortable for swimming though some may prefer warmer water.
The wettest month in Karpathos is December with 14.1cm of rain and the most days of rain with 7.4 days with some rain, a dry time to visit the beach.
The driest month in Karpathos is June with 0cm of rain and July has the fewest days of rain with 0 days with some rain, an extremely dry time to visit the beach.
The most humid month in Karpathos is August with a dew point (an indicator of humidity) of 22° 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 least humid month in Karpathos is January with a dew point of 9° which is a bit dry for some.
The most windy month in Karpathos is July when the average maximum windspeed is 50kmh and the average wind speed is 40kmh.
The least windy month in Karpathos is November when the average maximum windspeed is 30kmh and the average wind speed is 21kmh.