When to go where

Monthly rain scores (0 = driest, 100 = wettest) per region, computed from Thai Meteorological Department station data. Darker cells mean wetter months.

View weather stations on the map →

Region	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Andaman / SW coast	11	3	22	31	59	65	64	78	88	93	40	19
Central Thailand	10	17	23	37	60	56	66	82	97	74	30	3
Deep South / East coast	51	5	12	20	59	35	30	50	58	85	97	85
East Thailand	10	17	30	38	51	65	80	67	97	78	23	3
Lower Gulf coast and islands	23	4	12	26	61	41	46	50	64	91	93	65
North Thailand	17	10	28	37	65	63	83	93	91	51	26	3
Northeast / Isan	10	17	30	37	68	65	79	92	93	47	23	3
Upper western Gulf	17	11	27	31	65	51	67	57	84	95	44	3

Temperature, humidity and sunshine

Typical monthly conditions for 2016–2025, modeled near TMD station locations. These are regional reanalysis estimates, not measurements made by the stations.

°C mean temperature ↕ typical daily low–high RH relative humidity ☀ sunshine hours

Region	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Andaman / SW coast	27.2° ↕ 26–29° 77% RH ☀ 318 h	27.7° ↕ 26–29° 73% RH ☀ 307 h	28.4° ↕ 27–30° 75% RH ☀ 342 h	28.5° ↕ 27–30° 78% RH ☀ 320 h	28.3° ↕ 27–30° 81% RH ☀ 292 h	28.1° ↕ 27–29° 80% RH ☀ 283 h	28.0° ↕ 27–29° 80% RH ☀ 291 h	27.7° ↕ 27–29° 80% RH ☀ 296 h	27.3° ↕ 26–28° 82% RH ☀ 253 h	27.0° ↕ 26–28° 83% RH ☀ 260 h	27.0° ↕ 26–28° 82% RH ☀ 248 h	26.9° ↕ 26–28° 79% RH ☀ 297 h
Central Thailand	26.3° ↕ 22–31° 67% RH ☀ 321 h	27.3° ↕ 23–32° 69% RH ☀ 303 h	29.0° ↕ 26–33° 72% RH ☀ 339 h	30.0° ↕ 27–34° 72% RH ☀ 334 h	29.6° ↕ 27–33° 76% RH ☀ 318 h	28.9° ↕ 27–32° 76% RH ☀ 294 h	28.3° ↕ 26–31° 78% RH ☀ 266 h	28.3° ↕ 26–31° 78% RH ☀ 269 h	27.6° ↕ 25–31° 82% RH ☀ 249 h	27.2° ↕ 25–31° 82% RH ☀ 285 h	26.7° ↕ 24–31° 74% RH ☀ 290 h	26.0° ↕ 22–30° 65% RH ☀ 311 h
Deep South / East coast	26.2° ↕ 25–28° 82% RH ☀ 305 h	26.6° ↕ 25–29° 78% RH ☀ 300 h	27.5° ↕ 25–30° 78% RH ☀ 342 h	28.1° ↕ 26–31° 80% RH ☀ 328 h	28.1° ↕ 26–31° 82% RH ☀ 329 h	28.0° ↕ 26–31° 80% RH ☀ 314 h	28.0° ↕ 26–31° 79% RH ☀ 314 h	27.9° ↕ 26–31° 79% RH ☀ 321 h	27.3° ↕ 25–30° 81% RH ☀ 292 h	26.7° ↕ 25–29° 85% RH ☀ 282 h	26.1° ↕ 25–28° 88% RH ☀ 242 h	26.0° ↕ 25–28° 85% RH ☀ 269 h
East Thailand	26.6° ↕ 23–31° 70% RH ☀ 326 h	27.2° ↕ 24–31° 73% RH ☀ 306 h	28.5° ↕ 26–32° 77% RH ☀ 340 h	29.4° ↕ 27–33° 76% RH ☀ 334 h	29.2° ↕ 27–32° 80% RH ☀ 312 h	28.7° ↕ 27–31° 79% RH ☀ 301 h	28.2° ↕ 27–30° 81% RH ☀ 276 h	28.2° ↕ 26–31° 80% RH ☀ 283 h	27.6° ↕ 26–30° 84% RH ☀ 248 h	27.2° ↕ 25–30° 84% RH ☀ 280 h	26.8° ↕ 24–30° 77% RH ☀ 295 h	26.3° ↕ 23–30° 67% RH ☀ 317 h
Lower Gulf coast and islands	26.9° ↕ 26–28° 78% RH ☀ 320 h	27.2° ↕ 26–28° 76% RH ☀ 305 h	28.0° ↕ 27–29° 76% RH ☀ 344 h	28.8° ↕ 28–30° 77% RH ☀ 330 h	28.9° ↕ 28–30° 78% RH ☀ 323 h	28.6° ↕ 28–30° 76% RH ☀ 300 h	28.4° ↕ 27–30° 77% RH ☀ 289 h	28.3° ↕ 27–30° 77% RH ☀ 307 h	27.8° ↕ 27–29° 79% RH ☀ 264 h	27.2° ↕ 26–28° 82% RH ☀ 267 h	27.0° ↕ 26–28° 81% RH ☀ 258 h	26.8° ↕ 26–28° 79% RH ☀ 297 h
North Thailand	20.6° ↕ 15–26° 71% RH ☀ 314 h	23.0° ↕ 17–30° 61% RH ☀ 304 h	26.7° ↕ 20–33° 53% RH ☀ 344 h	28.3° ↕ 23–34° 58% RH ☀ 343 h	27.4° ↕ 23–32° 74% RH ☀ 332 h	25.9° ↕ 23–30° 84% RH ☀ 272 h	25.4° ↕ 23–29° 87% RH ☀ 241 h	25.0° ↕ 23–29° 89% RH ☀ 222 h	25.1° ↕ 22–29° 88% RH ☀ 261 h	24.4° ↕ 21–28° 85% RH ☀ 296 h	22.9° ↕ 19–28° 80% RH ☀ 288 h	21.0° ↕ 16–26° 74% RH ☀ 307 h
Northeast / Isan	22.6° ↕ 17–28° 62% RH ☀ 316 h	24.4° ↕ 19–30° 59% RH ☀ 300 h	27.8° ↕ 23–33° 59% RH ☀ 343 h	30.0° ↕ 25–35° 59% RH ☀ 340 h	29.0° ↕ 25–33° 73% RH ☀ 312 h	28.2° ↕ 25–32° 78% RH ☀ 280 h	27.6° ↕ 25–31° 81% RH ☀ 253 h	27.2° ↕ 25–30° 83% RH ☀ 242 h	26.8° ↕ 24–30° 85% RH ☀ 256 h	25.9° ↕ 23–30° 78% RH ☀ 307 h	24.7° ↕ 21–29° 68% RH ☀ 293 h	22.4° ↕ 18–28° 62% RH ☀ 305 h
Upper western Gulf	26.1° ↕ 23–30° 68% RH ☀ 320 h	27.1° ↕ 23–31° 69% RH ☀ 303 h	28.9° ↕ 25–33° 69% RH ☀ 335 h	29.7° ↕ 26–34° 70% RH ☀ 328 h	29.4° ↕ 27–33° 74% RH ☀ 307 h	28.6° ↕ 26–32° 75% RH ☀ 270 h	28.0° ↕ 26–31° 78% RH ☀ 238 h	27.9° ↕ 26–31° 78% RH ☀ 253 h	27.4° ↕ 25–31° 81% RH ☀ 223 h	26.7° ↕ 25–30° 84% RH ☀ 254 h	26.4° ↕ 24–29° 78% RH ☀ 283 h	26.0° ↕ 23–29° 68% RH ☀ 318 h

Open-Meteo Historical Weather API, ERA5-Seamless (CC BY 4.0), based on Copernicus Climate Change Service ERA5 and ERA5-Land data.

Regions

Andaman / SW coast — Phuket, Khao Lak, Krabi, Koh Lanta
Central Thailand — Bangkok, Ayutthaya, Kanchanaburi
Deep South / East coast — Songkhla, Pattani, Narathiwat
East Thailand — Pattaya, Rayong, Koh Chang, Trat
Lower Gulf coast and islands — Koh Samui, Koh Phangan, Koh Tao
North Thailand — Chiang Mai, Chiang Rai, Pai
Northeast / Isan — Udon Thani, Khon Kaen, Ubon Ratchathani
Upper western Gulf — Hua Hin, Cha-am, Prachuap Khiri Khan