The hottest month in Krabi is March when the average maximum temperature is 34°, average temperature is 29° and average minimum temperature is 24°.
The coolest month in Krabi is February when the average maximum temperature is 33°, average temperature is 28° and average minimum temperature is 23°.
The longest days in Krabi are in June, with an average of 12.6 hours of daylight per day. January has the shortest days with an average of 11.7 hours of daylight per day.
The sunniest days in Krabi are in February which has the most hours of sunshine per day with an average of 8.6 hours of sunshine per day, making it a sunny month with few clouds. September has the least sunshine with an average of 5.2 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in March when it reaches 15.2 and lowest in December when it reaches 11.1.
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 Krabi are found in May when they peak at 30° and lowest in January when they dip to 28°.
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Krabi is October with 29.8cm of rain and the most days of rain with 13.6 days with some rain, a slightly wet time to visit the beach.
The driest month in Krabi is February with 1.9cm of rain and the least days of rain with 3.1 days with some rain, a very dry time to visit the beach.
The most humid month in Krabi is May with a dew point (an indicator of humidity) of 25° 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 Krabi is January with a dew point 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 most windy month in Krabi is March when the average maximum windspeed is 18kmh and the average wind speed is 8kmh.
The least windy month in Krabi is November when the average maximum windspeed is 14kmh and the average wind speed is 7kmh.