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February is dry and getting hot in Thailand. Bangkok averages 93°F by day, Chiang Mai 91°F, and rain is rare nearly everywhere. The Gulf islands improve too: Koh Samui drops from 8.5 rainy days in January to 4.3 in February. The two catches are the first weekend, when the Chiang Mai Flower Festival and Lunar New Year 2027 land together, and the start of the burning-season haze in the north.
Thailand weather in February by region
| Place | Average high | Average low | Rain |
|---|---|---|---|
| Bangkok | 33.7°C / 93°F | 24.8°C / 77°F | 21.4 mm over 1.9 days |
| Chiang Mai | 32.9°C / 91°F | 16.8°C / 62°F | 9.6 mm over 0.7 days |
| Krabi (Andaman coast) | 34.2°C / 94°F | 22.0°C / 72°F | 4.5 rainy days |
| Koh Samui (Gulf coast) | 29.4°C / 85°F | 24.9°C / 77°F | 64.3 mm over 4.3 days |
These are long-term averages from Thai Meteorological Department and WMO data. Chiang Mai is the one place where the gap between day and night is large: about 30°F between the high and the low, so mornings still need a layer.
Chiang Mai Flower Festival and Lunar New Year
The Chiang Mai Flower Festival runs for three days on the first weekend of February. It’s a parade of floats covered in flowers, plus flower displays across the old city. In 2027 that weekend is 5 to 7 February if the festival keeps its usual pattern, which you should confirm with the city announcement. Lunar New Year falls on 6 February 2027, the same weekend, so Bangkok’s Chinese quarter will be busy too. Book flights and hotels for that weekend early.
Where to go in February
Bangkok works all month because the rain is minimal, though afternoons are hot, so schedule temples and markets for the morning and early evening. See our Bangkok page.
Chiang Mai is still pleasant in early February, with highs of 91°F and almost no rain. Read our Chiang Mai page and plan the north for the first half of the month if you can.
The beaches are good on both coasts. The Andaman side around Krabi and Phuket is still in its dry season, and the Gulf side is drier than in January. Koh Samui is a reasonable pick now. Our Thailand in January guide explains why Samui is wetter a month earlier.
Haze in the north
The burning season in northern Thailand usually runs from about February to April and peaks in March. IQAir’s 2021 monthly averages for Chiang Mai were 47.7 micrograms per cubic meter of PM2.5 in February and 83.3 in March, so February is the better of the two, and the number varies each year. Look at the air quality index a few days before you fly, and put Chiang Mai early in the trip.
Entry rules for US and UK passports
Visa-free stays in Thailand are 30 days for US and UK passport holders since 15 September 2026, per the Royal Gazette notification. You also need the free Thailand Digital Arrival Card at tdac.immigration.go.th. Check the official site before you travel, since the rules changed recently.
Sources: climate normals for Bangkok, Chiang Mai, Krabi and Ko Samui as compiled on Wikipedia from Thai Meteorological Department and WMO tables; Chiang Mai Flower Festival; IQAir on Thailand’s 2021 burning season; VisasNews on the 30-day exemption and Royal Gazette notification 128703. Last checked 7 November 2026.
Frequently asked questions
What is the weather in Thailand in February?
Dry and hot. Bangkok averages 93°F by day and 77°F at night, Chiang Mai 91°F and 62°F, with almost no rain in either.
Is February a good time to visit Thailand?
Yes. It’s dry across most of the country, and the Gulf islands are drier than in January. The north starts to get hazy as the burning season begins.
Which part of Thailand has the best weather in February?
The Andaman coast (Krabi, Phuket) has about 4.5 rainy days. Koh Samui averages 4.3. Bangkok and Chiang Mai have fewer than two.
When is the Chiang Mai Flower Festival?
On the first weekend of February, over three days. Confirm the 2027 dates with the city announcement.
Is February hotter than January in Thailand?
Yes, by 1 to 3°C in most places: Bangkok’s average high rises from 32.7°C in January to 33.7°C, and Chiang Mai’s from 30.0°C to 32.9°C.
Is Chiang Mai smoky in February?
The burning season usually starts around February and peaks in March. IQAir’s 2021 average for February was 47.7 micrograms per cubic meter, well below March’s 83.3. Check the air quality index before you go.
How long can Americans stay in Thailand without a visa?
30 days, since 15 September 2026. You also need to complete the free Thailand Digital Arrival Card online.
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The ideal travel season generally falls during the dry, sunny months. Speak with our specialists for month-by-month climate recommendations tailored to your specific itinerary.
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