Thailand Weather in January
Thailand weather in January is relatively dry with mild temperature. The average daytime temperature is 31℃(87.8℉); the average night temperature is 19℃(66.2℉). In addition, less rain is expected than other months. It is one of the most popular months to visit Thailand, and you can read our Best Private Thailand Tours 2025 & 2026 if you have decided to visit Thailand in January 2025.
The hottest cities in Thailand in January:
Pattaya: 33℃(91.4℉); Phuket: 33℃(91.4℉); Bangkok: 33℃(91.4℉)
The coolest cities in Thailand in January:
Chiang Mai: 15℃(59℉); Chiang Rai: 14℃(57.2℉)
Pattaya: 33℃(91.4℉); Phuket: 33℃(91.4℉); Bangkok: 33℃(91.4℉)
The coolest cities in Thailand in January:
Chiang Mai: 15℃(59℉); Chiang Rai: 14℃(57.2℉)
Averages for Thailand Weather in January
High Temperature
31°C (87.8°F)
Low Temperature
19°C (66.2°F)
Rainfall
22 mm (0.8 in)
Sunrise
06:42 ~ 06:45
Sunset
18:02 ~ 18:18
Jan.Feb.Mar.Apr.May.Jun.Jul.Aug.Sep.Oct.Nov.Dec.
The times for sunrise and sunset are based on Bangkok.
January Temperatures in Thailand
What to Wear
When you travel to Thailand in January, t-shirt, shorts, light cotton fabrics and some breathable clothes can basically satisfy your daytime needs in the whole country. As to the nighttime, it is a little cool; you'd better prepare a thin jacket or overcoat.
January Travel Guide – Where to Go & Tips
Tourism Rate:
January is the peak season of Thailand for visitors from all over the world. Excellent climate can be experienced in most parts of the country and a swarm of travelers begin to gather here. So it is advisable to have a reservation in advance if travel to Thailand in January. Bangkok and Chiang Mai with rich historical relics are recommended. Various islands and beaches are also among the most popular destinations.
Chiang Mai: It is the second largest city and one of the most popular destinations in Thailand for travelers. People can enjoy the splendid historical relics such as Wat Phra That Doi Suthep, the city's most famous temple. Also, it is a charming place with special cuisine attracting many people to taste.
Bangkok: As the capital of Thailand, there are so many places of interests worth visiting. Grand Palace is a hot place every tourist should go. Located in the center of city near the Chao Phraya, it is an imperial palace complex bearing the deep cultural implications of Thai dynasty. As a typical Siam style building, it brings together the essence of Thai painting and carving art.
Phuket: As the most prestigious island in Thailand, people can experience different tourism projects such as getting a massage or jungle trekking. It offers visitors beautiful scenery and delicious food to choose from.
Tips: A good sunscreen job is absolutely necessary to protect skin from sunburn.
January Weather of Major Thailand Cities
January | Temperature | Sunrise / Sunset |
Humidity (%) |
|
High | Low | |||
Ayutthaya |
34°C/ 93.2°F | 23°C / 73.4°F | 07:25/ 17:32 | 44 |
Bangkok |
33°C / 91.4°F | 23°C / 73.4°F | 07:20/ 18:07 | 84 |
Chanthaburi |
33°C / 91.4°F | 22°C / 71.6°F | 07:56/ 18:38 | 79 |
Chiang Mai |
30°C / 86°F | 15°C / 59°F | 07:45/ 18:30 | 83 |
Chiang Rai |
29°C / 84.2°F | 14°C / 57.2°F | 07:08/ 18:13 | 72 |
Chonburi |
33°C / 91.4°F | 23°C / 73.4°F | 07:23/ 18:22 | 73 |
Hat yai |
31°C / 87.8°F
|
23°C / 73.4°F | 07:41/ 18:34 | 79 |
Hua hin |
30°C / 86°F | 22°C / 71.6°F | 06:51/ 17:35 | 75 |
Khon Kaen |
30°C / 86°F | 17°C / 62.6°F | 06:58/ 16:36 | 72 |
Ko Samui |
29°C / 84.2°F | 24°C / 75.2°F | 07:44/ 17:48 | 57 |
Lampang |
30°C / 86°F | 15°C / 59°F | 07:03/ 18:11 | 74 |
Nakhon Rathasima |
30°C / 86°F | 19°C / 66.2°F | 06:56/ 17:43 | 65 |
Nakhon Sawan |
32°C / 89.6°F | 19°C / 66.2°F | 06:56/ 17:43 | 65 |
Nonthabufi |
33°C / 91.4°F | 23°C / 73.4°F | 06:56/ 17:43 | 65 |
Pattaya |
33°C / 91.4°F | 22°C / 71.6°F | 06:56/ 17:43 | 65 |
Phuket |
33°C / 91.4°F | 25°C / 77°F | 06:56/ 17:43 | 65 |
Ratchaburi |
33°C / 91.4°F | 23°C / 73.4°F | 06:56/ 17:43 | 65 |
Samut Pakan |
33°C / 91.4°F | 23°C / 73.4°F | 06:56/ 17:43 | 65 |
Songkhla |
29°C / 84.2°F | 24°C / 75.2°F | 06:56/ 17:43 | 65 |
Surat thani |
29°C / 84.2°F |
24°C / 75.2°F |
06:56/ 17:43 |
66 |