Weather
What is the weather like in Pattaya in December?
Short answer
December in Pattaya averages a high of 30.2 °C and a low of 23.3 °C, with 11.7 mm of rain on about 1.5 days. By the Thai Meteorological Department's 1991–2020 averages it is the driest month of the year.
- 30.2 °CAverage daily high
- 23.3 °CAverage daily low
- 11.7 mmAverage rainfall for the month
- 1.5 daysAverage days with 1 mm of rain or more
- 70.3 %Average relative humidity
Checked · 3 sources · How we check

December weather in figures
These are 30-year averages (1991–2020) from the Thai Meteorological Department's Pattaya station, as TMD submitted them to the World Meteorological Organization.1 The station is at about 59 m above sea level, not on the beach.3
| Average daily high | 30.2 °C |
|---|---|
| Average daily low | 23.3 °C |
| Average temperature | 26.4 °C |
| Average rainfall for the month | 11.7 mm |
| Average days with 1 mm of rain or more | 1.5 days |
| Average relative humidity | 70.3 % |
| Average dew point | 20.3 °C |
Rain in December
Pattaya gets little rain in December: 11.7 mm on average, spread over about 1.5 days with at least 1 mm of rain.1 Across the year the station averages 1105.8 mm on 82.2 days.1
Heat and humidity in December
Days average 30.2 °C at their warmest and nights 23.3 °C at their coolest; the monthly mean is 26.4 °C. Average relative humidity is 70.3 % and the dew point 20.3 °C.1 By these averages December is the month with the lowest average low.1
Which season it is
December is in the cool season (mid-October to mid-February).2 On the coast of the lower East, TMD notes, the cool season is not as cool as inland.2
What to pack for December
- Light, breathable clothes: the average low is 23.3 °C, so evenings stay warm.1
- Rain gear can stay small: rain falls on about 1.5 days in an average December.1
- Sun protection: the average high is still 30.2 °C.1
What to plan around in December
- Outdoor plans are rarely rained off: about 1.5 rain days in the month.1
- Check the forecast close to the date: these are 30-year averages, not a forecast (where to check).
Before you go
Averages describe a typical month, not the week of your trip. Close to the date, check the Thai Meteorological Department's forecast and warnings: where to check the official Pattaya forecast.
Compare the other months: November, January, or the best time to visit Pattaya.
Questions people ask
Does it rain a lot in Pattaya in December?
December averages 11.7 mm of rain on about 1.5 days, which makes it the driest month of the year by the Thai Meteorological Department's 1991–2020 averages for Pattaya.
How hot is Pattaya in December?
The average daily high in December is 30.2 °C and the average daily low 23.3 °C, with average relative humidity of 70.3 %.
What season is December in Pattaya?
December is in Thailand's cool season, which the Thai Meteorological Department dates from mid-October to mid-February.
Sources
- WMO climate normals 1991–2020, station data sheet for Phatthaya (Pattaya) 48461, as submitted by Thailand, Thai Meteorological Department, archived by NOAA NCEI. Checked 14 October 2026.
- ภูมิอากาศของประเทศไทย (Climate of Thailand), Thai Meteorological Department. Checked 14 October 2026.
- TMD Open Data: station list (Phatthaya, station 48461, 58.93 m above sea level), linked from data.tmd.go.th/api/index1.php, Thai Meteorological Department. Checked 14 October 2026.
Facts on this page were checked on the date shown. Rules and prices change; the source is the final word. Found something out of date? Tell us.