Climate averages 1991–2020

Weather in Thailand.

ClimaNote covers 46 cities in Thailand, starting with Bangkok, Samut Prakan and Mueang Nonthaburi. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 28.5°C in Phuket to 32.4°C in Nakhon Sawan (tied with Ban I Chang and Nakhon Pathom), and yearly rainfall from 956 mm in Hua Hin to 2,333 mm in Chanthaburi. The hottest city-month is April in Nakhon Sawan, with an average high of 36.5°C, and the coolest is December in Chiang Rai, at 25.5°C. By single month, the most rain falls in November in Ban Mai, with 403 mm, and the least in February in Chiang Mai, with 3.3 mm.

April is the warmest month in 44 cities and May in 1 (in 1 other city two or more months tie); October is the coolest in 22 cities, December in 15 and September in 4 (in 5 other cities two or more months tie). September is the wettest month in 34 cities, August in 4, November in 4, October in 2, June in 1 and July in 1; December is the driest in 34 cities, February in 10 and January in 1 (in 1 other city two or more months tie). Of these cities, 9 have a month with more than 300 mm of rain; none has a month with an average high below 2.0°C or a month with under 1 mm of rain.

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46 cities

Cities in Thailand

Yearly averages

Bangkok

Yearly climate averages for cities in Bangkok
City	Average high	Average low	Rain mm/year
Bangkok	32°C	25°C	1,152
Bang Khae	32°C	25°C	1,152
Sai Mai	32°C	24°C	1,426
Watthana	32°C	25°C	1,152
Khlong Sam Wa	32°C	24°C	1,260
Lat Krabang	32°C	25°C	1,260
Chatuchak	32°C	24°C	1,152
Ban Khlong Prawet	32°C	25°C	1,260
Nong Chok	32°C	24°C	1,260
Nong Khaem	32°C	25°C	1,243
Bueng Kum	32°C	24°C	1,260
Ban Samae Dam	31°C	25°C	1,050
Thung Khru	31°C	25°C	1,152
Thawi Watthana	32°C	25°C	1,152

Chon Buri

Yearly climate averages for cities in Chon Buri
City	Average high	Average low	Rain mm/year
Chon Buri	32°C	25°C	1,213
Si Racha	31°C	25°C	1,213
Pattaya	31°C	25°C	1,336
Laem Chabang	30°C	25°C	1,336

Samut Prakan

Yearly climate averages for cities in Samut Prakan
City	Average high	Average low	Rain mm/year
Samut Prakan	31°C	25°C	1,050
Phra Pradaeng	32°C	25°C	1,152

Songkhla

Yearly climate averages for cities in Songkhla
City	Average high	Average low	Rain mm/year
Hat Yai	30°C	24°C	1,934
Ban Mai	29°C	25°C	1,876

Nonthaburi

Yearly climate averages for cities in Nonthaburi
City	Average high	Average low	Rain mm/year
Mueang Nonthaburi	32°C	24°C	1,152

Prachin Buri

Yearly climate averages for cities in Prachin Buri
City	Average high	Average low	Rain mm/year
Kabin Buri	31°C	23°C	1,499
Si Maha Phot	31°C	23°C	1,677

Ratchaburi

Yearly climate averages for cities in Ratchaburi
City	Average high	Average low	Rain mm/year
Ban I Chang	32°C	24°C	1,242
Ratchaburi	32°C	24°C	1,084

Lampang

Yearly climate averages for cities in Lampang
City	Average high	Average low	Rain mm/year
Lampang	31°C	22°C	1,328

Surat Thani

Yearly climate averages for cities in Surat Thani
City	Average high	Average low	Rain mm/year
Surat Thani	31°C	24°C	1,562

Udon Thani

Yearly climate averages for cities in Udon Thani
City	Average high	Average low	Rain mm/year
Udon Thani	31°C	22°C	1,542

Chiang Mai

Yearly climate averages for cities in Chiang Mai
City	Average high	Average low	Rain mm/year
Chiang Mai	31°C	21°C	1,049

Nakhon Ratchasima

Yearly climate averages for cities in Nakhon Ratchasima
City	Average high	Average low	Rain mm/year
Nakhon Ratchasima	32°C	23°C	1,071

Prachuap Khiri Khan

Yearly climate averages for cities in Prachuap Khiri Khan
City	Average high	Average low	Rain mm/year
Hua Hin	31°C	24°C	956

Ubon Ratchathani

Yearly climate averages for cities in Ubon Ratchathani
City	Average high	Average low	Rain mm/year
Ubon Ratchathani	31°C	23°C	1,441

Pathum Thani

Yearly climate averages for cities in Pathum Thani
City	Average high	Average low	Rain mm/year
Khlong Luang	32°C	24°C	1,426

Nakhon Pathom

Yearly climate averages for cities in Nakhon Pathom
City	Average high	Average low	Rain mm/year
Nakhon Pathom	32°C	24°C	1,242

Khon Kaen

Yearly climate averages for cities in Khon Kaen
City	Average high	Average low	Rain mm/year
Khon Kaen	31°C	23°C	1,149

Rayong

Yearly climate averages for cities in Rayong
City	Average high	Average low	Rain mm/year
Rayong	30°C	25°C	1,739

Nakhon Si Thammarat

Yearly climate averages for cities in Nakhon Si Thammarat
City	Average high	Average low	Rain mm/year
Nakhon Si Thammarat	30°C	24°C	1,884

Chanthaburi

Yearly climate averages for cities in Chanthaburi
City	Average high	Average low	Rain mm/year
Chanthaburi	30°C	24°C	2,333

Yala

Yearly climate averages for cities in Yala
City	Average high	Average low	Rain mm/year
Yala	31°C	23°C	1,787

Nakhon Sawan

Yearly climate averages for cities in Nakhon Sawan
City	Average high	Average low	Rain mm/year
Nakhon Sawan	32°C	24°C	1,247

Phuket

Yearly climate averages for cities in Phuket
City	Average high	Average low	Rain mm/year
Phuket	28°C	26°C	2,202

Kanchanaburi

Yearly climate averages for cities in Kanchanaburi
City	Average high	Average low	Rain mm/year
Nong Prue	31°C	23°C	1,180

Chiang Rai

Yearly climate averages for cities in Chiang Rai
City	Average high	Average low	Rain mm/year
Chiang Rai	29°C	20°C	2,092

Sakon Nakhon

Yearly climate averages for cities in Sakon Nakhon
City	Average high	Average low	Rain mm/year
Sakon Nakhon	30°C	22°C	1,642

Yearly average of the 12 monthly values for 1991–2020. Open a city for every month.