The hottest month in Pattaya is April when the average maximum temperature is 33°, average temperature is 30° and average minimum temperature is 27°.
The coolest month in Pattaya is January when the average maximum temperature is 31°, average temperature is 27° and average minimum temperature is 22°.
The longest days in Pattaya are in June, with an average of 12.9 hours of daylight per day. January has the shortest days with an average of 11.4 hours of daylight per day.
The sunniest days in Pattaya are in January which has the most hours of sunshine per day with an average of 8.5 hours of sunshine per day, making it a sunny month with few clouds. August has the least sunshine with an average of 4.6 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 14.6 and lowest in December when it reaches 9.7.
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 Pattaya are found in November when they peak at 31° and lowest in January when they dip to 27°.
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 Pattaya is October with 23.8cm of rain and September has the most days of rain with 19.7 days with some rain, a wet time to visit the beach.
The driest month in Pattaya is February with 0.3cm of rain and December has the fewest days of rain with 2.1 days with some rain, a very dry time to visit the beach.
The most humid month in Pattaya is May with a dew point (an indicator of humidity) of 27° 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 Pattaya is December with a dew point of 23° 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 Pattaya is April when the average maximum windspeed is 25kmh and the average wind speed is 9kmh.
The least windy month in Pattaya is October when the average maximum windspeed is 17kmh and the average wind speed is 6kmh.