December weather forecastCha-am, Thailand

Weather in December

Cha-am's weather in December bears testament to the arrival of its dry season, presenting weather conditions resembling January. Notably, the rainfall plummets to its annual low at 16mm (0.63"), reinstating the dry spell. The sea temperature drops back to 28°C (82.4°F), mimicking the city's weather at the year's onset. December's long daylight hours offer ample opportunities to relax by the beach or explore the city, as Cha-am basks in the glory of Thailand's winter sunshine.

Temperature

The yearly lowest temperatures in Cha-am, Thailand, occur in January and December, averaging a high-temperature of 29°C (84.2°F).

Rainfall

In Cha-am, Thailand, in December, it is raining for 2 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, there are 123 rainfall days, and 1182mm (46.54") of precipitation is accumulated.

Sea temperature

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Cha-am.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The month with the shortest days is December, with an average of 11h and 24min of daylight.
On the first day of December, sunrise is at 06:26 and sunset at 17:52. On the last day of the month, sunrise is at 06:41 and sunset at 18:04 +07.

Sunshine

January through March and December, with an average of 9h of sunshine, are months with the most sunshine in Cha-am.

UV index

With an average maximum UV index of 9, December is the month with the lowest UV index in Cha-am. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 9 during December leads to these instructions:
Ensure precautions are always in place. The risk to skin and eyes is high without them. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Warning! The Sun's UV rays intensify with reflections from sand and water.