If you plan to visit Hat Yai in December, the weather is typically alright, with an average high temperature of +29°C during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 27 rainy days in the month and around 237 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
December is usually the coldest month of the year in Hat Yai;
Average weather
☀️
+29°C
Avg. max. temperature
+20°C
Min.
+37°C
Max.
237 mm
Total precipitation
84%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
3 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: Hat Yai has OK weather in December.
Avionero - Smarter Travel Planning for a Better World
Cheapest prices on the market!
Check all your dates and date combinations in a single search!
Want inspiration, set your dates and find the cheapest destinations!
Saves your searches in the browser so you can easily return to them!
Donates 10% of all revenue to charity!
Average temperature in Hat Yai in December
Here are the expected maximum, average and minimum temperatures in Hat Yai for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +32°C during the day to a minimum of +25°C during the night, the temperature in December averages around +30°C.
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
Hat Yai weather looks like this, on average, in December and the surrounding months.
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 speed in Hat Yai in December based on historical data.
Last Year
Historical Data
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
Amount of rainfall in mm during December in Hat Yai based on historical data.
Last Year
Historical Data
Typically, there is a 84% chance of rain on an average day in December, with total rainfall of approximately 274 mm. The maximum amount of rainfall per day is around 52 mm, which is considered heavy rain.December is a pretty wet month with over 26 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
December is one of the rainiest months in Hat Yai, here is a comparison with other months, total mm:
Hat Yai wettest month is November, where a typical day has a 87% chance of precipitation and 334 mm of rainfall per day. February, on the other hand, is the driest month with a mere 50% chance of precipitation and 42 mm of rainfall per day.
How was the weather last December in Hat Yai?
This is the weather in Hat Yai in December 2025:
1 December
🌧️
+30°C
2 December
🌧️
+28°C
3 December
🌧️
+29°C
4 December
☁️
+31°C
5 December
☁️
+31°C
6 December
☀️
+32°C
7 December
🌧️
+29°C
8 December
☁️
+31°C
9 December
☁️
+32°C
10 December
☀️
+31°C
11 December
🌧️
+31°C
12 December
☁️
+32°C
13 December
🌧️
+29°C
14 December
🌧️
+29°C
15 December
☁️
+28°C
16 December
☀️
+32°C
17 December
☁️
+32°C
18 December
🌧️
+32°C
19 December
🌧️
+30°C
20 December
🌧️
+31°C
21 December
🌧️
+31°C
22 December
🌧️
+30°C
23 December
🌧️
+29°C
24 December
🌧️
+27°C
25 December
🌧️
+27°C
26 December
☁️
+28°C
27 December
🌧️
+29°C
28 December
🌧️
+30°C
29 December
🌧️
+30°C
30 December
🌧️
+30°C
31 December
☀️
+31°C
In December 2025 Hat Yai had 4 sunny days, 8 cloudy days, and 19 rainy days. The average maximum temperature was +30°C, with an absolute maximum of +32°C and a minimum of +27°C. The average humidity was 87%, with a maximum of 100% and a minimum of 58%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change over Years
This is how Hat Yai climate have been changing during last 43 years period.
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
Frequently asked questions about the weather in Hat Yai in December:
Is December a good time to visit Hat Yai?
It’s always a good time to visit Hat Yai, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Hat Yai in December?
December is warm in Hat Yai. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Hat Yai rainy in December?
Hat Yai is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Hat Yai in December?
Usually, it’s not very sunny in Hat Yai in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Thailand
Check out the weather for other cities in Thailand.
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.
