Thailand weather in January - temperature, rain and is it a good time to visit?

January is one of the best months for a holiday in Thailand.
Daytime
30°
Night
21°
☀️ Day length
11 h 17 min
Chance of rain
20%
Thunder days
4%
Humid days
91%
WEATHER THROUGH THE YEARThailand - January vs the year30°21°32°22°34°24°35°25°35°26°33°26°32°25°32°25°32°25°32°24°31°24°30°22°CHANCE OF RAIN (%)2010122445484616258503820JanFebMarAprMayJunJulAugSepOctNovDecWARMESTApr (35°)COLDESTJan (30°)DRIESTFeb (10%)WETTESTJun (484%)world-prices.com · 2026-07-08 · ★ best months
In January, Thailand averages about 30° during the day and 21° at night. It's usually fairly dry, with only about a 20% chance of rain.

Thailand weather all year - average temperatures and rain

MonthDayNightChance of rain
January 30℃21℃20%
February ★ 32℃22℃10%
March 34℃24℃12%
April 35℃25℃24%
May 35℃26℃45%
June 33℃26℃484%
July 32℃25℃61%
August 32℃25℃62%
September 32℃25℃58%
October 32℃24℃50%
November ★ 31℃24℃38%
December ★ 30℃22℃20%
★ - months most often recommended for travel

Where is it warmest in Thailand in January? Weather by city

PlaceDayNight🌊 SeaChance of rain
Phuket 32℃22℃29℃34%
Bangkok 31℃22℃-19%
Samut Prakan 31℃22℃27℃19%
Phitsanulok 30℃19℃-4%
Ko Samui 30℃26℃29℃26%
Ko Pha Ngan 30℃26℃28℃29%
Chiang Mai 29℃16℃-10%
Chiang Rai 26℃14℃-15%
Travelling soon? Check the live 14-day weather forecast for Thailand.

Thailand weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember