Pattaya weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: November – April
What is the weather like in Pattaya in December?
In December, Pattaya is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is rare: about 3 days bring 14 mm in total. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Pattaya.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 87 | 99 | 98 |
| Day | 30° | 30° | 30° |
| Night | 24° | 23° | 23° |
| Sea | 29° | 28° | 28° |
| Sun | 8 h | 9 h | 9 h |
| Rain days | 10 | 3 | 4 |
More details for December
- Daylight
- 11 h 22 min06:30 – 17:53
- UV index
- 8 · very highclear sky, noon (estimate)
- Muggy days
- 20 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 54 %on average
- Hot days
- 18 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Pattaya in December: quick answers
Is Pattaya hot in December?
Yes. In December, Pattaya is hot: daytime highs average 30 °C and nights stay around 23 °C. On about 18 days the thermometer climbs to 30 °C or more.
Can you swim in Pattaya in December?
Yes. In December the sea averages 28.1 °C – lovely and warm for swimming.
Does it rain much in Pattaya in December?
Rain is rare: about 3 days bring 14 mm in total.
Pattaya month by month
The whole year in PattayaAll destinations: Thailand
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)