Thailand weather in December
Long-run climate averages for Thailand in December, plus what the forecast models say for the days ahead.
In December, Thailand averages 30°C by day and 25°C at night. The wettest month is usually September.
December in Thailand averages a daytime high of 30°C and an overnight low of 25°C, which reads as hot for this part of the world. It is among the three coldest months of the year here. Across the whole year Thailand sees roughly 2073 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Thailand forecast with every model compared and how much they currently agree.
Thailand weather by month
what to expect in Thailand through the yearHere is Thailand's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Thailand by season.
Common questions
How warm is Thailand in December?
Is December a good time to visit Thailand?
Does it rain a lot in Thailand in December?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .