Weather in Hua Hin in December

Prime time. December is about as good as Hua Hin gets. Highs average 28.2 °C, lows 23.6 °C, and rain falls on 6 days — nothing in the month is working against you.

December is the highest-scoring month of the twelve. The nearest rival is January, and the month at the other end of the year is May.

Rain falls on only 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 28.2 °C days and 23.6 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 4 days top 30 °C — hot spells arrive, but they break; the day barely swings — 4.5 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest December day reached 32.2 °C and the coldest night fell to 17.8 °C.

This is the volatile part. December rainfall has ranged from 0 mm to 82 mm across the twenty years measured — a 82 mm spread around an average of 27 mm. The average is real but almost no individual December looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 11 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, high enough to notice on the warm days without dominating them.

How December sits in the year

Temperatures hold steady either side: 28.7 °C in November, 28.2 here, 28.8 in January. Nothing about the timing within the month matters much. Rain has already shifted: 9 days fewer than November had.

Daylight in December

Hua Hin sits close enough to the equator that daylight barely moves all year — 11.4 hours in December, against a range of just 1.5 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

Sea temperature

The sea sits at about 28.4 °C in December — warm enough that the water offers no relief from the heat. The sea peaks at 30.5 °C in May and bottoms out at 27.8 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

December in Hua Hin versus nearby

If Hua Hin is one option among several, the nearby comparison is worth making. Bangkok is close enough to be a coin toss — 2.7 °C warmer, 4 days less rain. Lat Krabang is close enough to be a coin toss — 2.1 °C warmer, 3 days less rain.

So: December is the answer for Hua Hin. If it is booked out or priced out, January is the next best thing at 4 points behind, and May is the month to keep off the shortlist.

Every month in Hua Hin

See all twelve months in Hua Hin, or where else to go in December.