When to go · Ko Sire

Ko Sire in January

Good month. Outside the best window (check). Across Thailand: Cool and dry nearly everywhere: the easiest month; book islands and Chiang Mai early.

Key facts

Verdict: Good
Temperature: 32°C (90°F)90°F (32°C) / 23°C (73°F)73°F (23°C); average high / low
Rain days: 4
Crowds: High; Thailand overall
Prices: High; Thailand overall

Plan around it

Verdict

GoodThailand month rating

Outside the best window (check). Across Thailand: Cool and dry nearly everywhere: the easiest month; book islands and Chiang Mai early.

No other month rates higher than January for Ko Sire in this guide.

Long-term averages

Ko SireHighs around 32 °C (90 °F), lows around 23 °C (73 °F), rain on about 4 daysHighs around 90 °F (32 °C), lows around 73 °F (23 °C), rain on about 4 days

Thailand overall: Cool and dry nearly everywhere: the easiest month; book islands and Chiang Mai early.

Weather, crowds and prices for any two months in Ko Sire, side by side.

First month

Second month

January: Outside the best window (check). Across Thailand: Cool and dry nearly everywhere: the easiest month; book islands and Chiang Mai early.

February: Outside the best window (check). Across Thailand: Dry and warming; the north starts to haze late in the month — go south.

Ko Sire: figures are long-term averages from this guide, not a forecast.