When to Travel - Thailand

  • Best Time to Travel
  • Good Time to Travel
  • Green Season
  • Cool temperatures
  • Very cold

Weather information is an important factor to consider when deciding where or when to travel. The following table offers our opinion on when it is best to travel throughout the year, with the "Green Season" representing months with higher rainfall. "Green Season" days in the Far East tend to be dry in the morning with short sharp showers in the afternoon. Below this we offer average climate statistics, from selected destinations, and a general overview of the country's climate to help you decide when to travel.

Bangkok
Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
Chiang Mai
Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
Phuket
Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
  • Bangkok

    32 33 34 35 34 33 32 32 32 31 31 31
    20 22 24 25 25 24 24 24 24 24 22 20
    9 8 9 8 8 6 5 5 5 6 8 9
    8 20 36 58 198 160 160 175 305 206 66 5
    jan feb mar apr may jun jul aug sep oct nov dec

    Chiang Mai

    29 32 34 36 34 32 31 31 31 31 30 28
    13 14 17 22 23 23 23 23 23 21 19 5
    9 9 9 9 8 6 5 4 6 7 8 9
    0 10 8 36 122 112 213 193 249 94 31 13
    jan feb mar apr may jun jul aug sep oct nov dec

    Phuket

    30 31 32 32 32 32 31 32 31 31 31 30
    22 23 24 24 24 24 23 24 23 23 23 22
    9 8 9 8 8 6 5 5 5 6 8 9
    35 24 39 133 324 218 263 263 374 305 181 52
    jan feb mar apr may jun jul aug sep oct nov dec

Climate - Thailand

Thailand has three major seasons. The cool season runs from November to February, the hot season from March until the beginning of June and the rainy season from May to October. During the rainy season about four fifths of the total annual precipitation is received. The best time to visit Thailand is from November to March when temperatures are relatively low and when there is little rain. Note that in December and January the temperatures can drop to near freezing at night in the northeast highlands around Chiang Mai, Chiang Rai and Mae Hong Son.

The monsoon starts between mid-May and mid-June bringing frequent rain and lasts until October. That said it does not rain all day every day and quite often travelling at this time can be quite pleasant as there are less visitors and there is usually plenty of sunshine as well. The monsoon in Koh Samui tends to start a little later than other parts of the country and often extends into November.

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