Thailand

Thailand Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Thailand in January.

Planning a getaway to Thailand this January and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Thailand in January

January in Thailand generally has temperatures that range from warm to very warm, with precipitation levels ranging from almost none to heavy.

Temperatures

During the day the temperature is warm in Bo Kluea at 26°C (79°F) and very warm in Ang Thong at 35°C (95°F). As night falls, temperatures generally drop to 22°C (72°F) in Ang Thong and 10°C (50°F) in Bo Kluea. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For a closer look at conditions across Thailand, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From almost no rainfall in Khong Chiam with an average of 4.7 mm (0.2 in) to heavy rainfall in Sungai Kolok with 185 mm (7.3 in).

Average sunshine

January brings good sunshine to many areas. Bangkok sees around 273 hours of sunlight, great for visitors looking for bright days.

Explore Thailand by month

Best Places to Visit in Thailand in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thailand.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Thailand

What is the weather like in January for some of the most popular destinations in Thailand?

Temperature range in Thailand (January)

Precipitation variation in Thailand (January)

Bangkok

In January Bangkok generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 23°C (73°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
33°C (91°F)
33°C (91°F)
34°C (93°F)
Min temperature
23°C (73°F)
23°C (73°F)
25°C (77°F)
Monthly sun hours
262 hours
273 hours
250 hours
Monthly rainfall
11 mm (0.4 in)
22 mm (0.9 in)
20 mm (0.8 in)
Monthly rainy days
a single day
a single day
2 days
Weather conditions

Chiang Mai

In January Chiang Mai generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
30°C (86°F)
31°C (88°F)
34°C (93°F)
Min temperature
16°C (61°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
259 hours
270 hours
259 hours
Monthly rainfall
12 mm (0.5 in)
9.2 mm (0.4 in)
4.8 mm (0.2 in)
Monthly rainy days
2 days
a single day
a single day
Weather conditions

Patong Beach

In January Patong Beach generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
200 hours
235 hours
220 hours
Monthly rainfall
106 mm (4.2 in)
57 mm (2.2 in)
32 mm (1.3 in)
Monthly rainy days
9 days
5 days
3 days
Weather conditions

Hua Hin

In January Hua Hin generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
30°C (86°F)
30°C (86°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
264 hours
266 hours
244 hours
Monthly rainfall
19 mm (0.7 in)
22 mm (0.9 in)
15 mm (0.6 in)
Monthly rainy days
2 days
2 days
3 days
Weather conditions

Ao Nang Beach

In January Ao Nang Beach generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
30°C (86°F)
31°C (88°F)
32°C (90°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
181 hours
200 hours
215 hours
Monthly rainfall
102 mm (4 in)
52 mm (2 in)
37 mm (1.5 in)
Monthly rainy days
10 days
5 days
3 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Thailand.

In our records: Thailand January extremes

Notable January records observed across cities in Thailand in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Thailand was 10°C (50°F) in Chiang Rai on January 25, 2016.

Popular cities in January

Day & night temperatures, rainfall and average weather in Thailand in January.

City Weather Day temp Night temp Rainfall
Bangkok 33°C (91°F) 23°C (73°F) 22 mm (0.9 in)
Chiang Mai 31°C (88°F) 15°C (59°F) 9.2 mm (0.4 in)
Koh Samui 29°C (84°F) 26°C (79°F) 81 mm (3.2 in)
Hua Hin 30°C (86°F) 24°C (75°F) 22 mm (0.9 in)
Koh Chang 30°C (86°F) 25°C (77°F) 34 mm (1.3 in)
Chiang Rai 30°C (86°F) 15°C (59°F) 24 mm (0.9 in)

Thailand weather in January: frequently asked questions

What is the weather like in Thailand in January?

Thailand typically experiences tolerable weather in January, part of the season. Daytime highs in Bangkok average around 33°C (91°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in Thailand in January?

Average temperatures in Thailand during January range from a nighttime low near 23°C (73°F) to a daytime high around 33°C (91°F) in Bangkok.

Does Thailand get a lot of rain in January?

January is on the drier side in Thailand. Bangkok averages only about 22 mm (0.9 in), with most days staying dry.

Is January a Good Time to Visit Thailand?

We believe that January is one of the best times to visit Thailand with overall perfect weather in Bangkok.

Generally speaking, January and December provide tolerable weather in Bangkok. The weather in February, March, April, May, June, July, August, September, October and November, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Thailand.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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