Weather in Hat Yai in December 2025
- December is usually the coldest month of the year in Hat Yai;
Average weather
Average temperature in Hat Yai in December
The temperature in December is +30°C on average, with a range between a maximum of +32°C during the day and a minimum of +25°C at night.
The average maximum temperature goes up 14% by the end of the month, compared with the beginning of the month, from +30°C to +31°C.
Is Hat Yai warm or cold in December?
Hat Yai is typically warm in December.
Maximum temperatures go down compared to the previous month from +30°C to +29°C. The minimum temperature also goes up from +24°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
December is the coldest month in Hat Yai, here is the comparison with other months:
Climate in Hat Yai in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +30°C | +29°C | +30°C | ||||
| Min. temperature | ||||||
| +22°C | +20°C | +19°C | ||||
| Max. temperature | ||||||
| +35°C | +37°C | +34°C | ||||
| Rainfall | ||||||
| 334 mm | 237 mm | 69 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 86% | 84% | 80% | ||||
| Air pressure | ||||||
| 1009 HPa | 1010 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 2 | ||||
| Cloudy days | ||||||
| 1 | 3 | 9 | ||||
| Rainy days | ||||||
| 26 | 27 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +30°C in the day, the average maximum temperature lowers to +29°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 334 mm to 237 mm. It feels drier, as humidity decreases from 86% to 84%. The average wind speed doesn’t change much during December, staying around 1 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Hat Yai is gradually increasing during December, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last December in Hat Yai?
Climate Change over Years
The climate in Hat Yai in December has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+30°C) and the highest in 2019 (+33°C). The driest year was 2004 with only 1200 mm of rainfall, and the wettest year was 2022 with 2700 mm.
FAQ
Is December a good time to visit Hat Yai?
Can you sunbathe in Hat Yai in December?
Is Hat Yai rainy in December?
Is it sunny in Hat Yai in December?
Other cities in Thailand
Monthly weather in Hat Yai
Source of the data
For this page, we’ve looked at the typical weather in Hat Yai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
