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When to go · Ko Sire

Ko Sire in December

Good month. Outside the best window (check). Across Thailand: Peak season: dry except the Gulf in early December; 20 Dec – 5 Jan prices are the year's highest.

Key facts

Verdict
Good
Temperature
32°C (90°F) / 23°C (73°F)
average high / low
Rain days
7
Crowds
High
Thailand overall
Prices
High
Thailand overall

Verdict

GoodThailand month rating

Outside the best window (check). Across Thailand: Peak season: dry except the Gulf in early December; 20 Dec – 5 Jan prices are the year's highest.

Is another month better than December?

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

Weather in December

Long-term averages
  • Ko SireHighs around 32 °C (90 °F), lows around 23 °C (73 °F), rain on about 7 days

Crowds and prices

Crowds · Thailand overall
High
Prices · Thailand overall
High

Thailand overall: Peak season: dry except the Gulf in early December; 20 Dec – 5 Jan prices are the year's highest.

High-price month: see what to book ahead.

Compare two months

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

  • Verdict

    Dec: Good

    Jan: Good

  • Daytime high

    Dec: 32 °C (90 °F)

    Jan: 32 °C (90 °F)

  • Night low

    Dec: 23 °C (73 °F)

    Jan: 23 °C (73 °F)

  • Rain days

    Dec: 7

    Jan: 4 (better)

  • Crowds

    Dec: High

    Jan: High

  • Prices

    Dec: High

    Jan: High

  • Festivals listed

    Dec: 0

    Jan: 0

December: Outside the best window (check). Across Thailand: Peak season: dry except the Gulf in early December; 20 Dec – 5 Jan prices are the year's highest.

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

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

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Thailand in December →