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Thailand weather in December

Thailand in December averages 28°C (82°F), 7 mm of rain and 7.4 hours of sun a day. It is one of the driest months of the year here.

Of the twelve months in Thailand, December is the coldest, the driest and the fifth sunniest.

Thailand
Average temp
28°C (82°F)

23–32°C · 74–90°F

Rainfall
7 mm

Not much rain

Sunshine
7.4 h

hours per day

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What is Thailand like in December?

Daytime

Days are hot, often above 32°C.

Rain

Rain is usually light.

Evening

Evenings stay warm.

What should I pack for Thailand in December?

  • High-factor sun cream

    With daytime highs around 32°C, burn time is short even in shade.

  • Sunglasses and a brimmed hat

    Midday glare is the part people underpack for, not the heat itself.

  • Loose cotton or linen

    Synthetics stop working once you are sweating through them all day.

  • A refillable water bottle

    Daily highs this warm need roughly double the water a temperate day does.

  • Comfortable walking shoes you can rinse

    Dry warm weather is walking weather, and dust gets into everything.

December compared with November and January

December in Thailand is 1.2°C cooler than November and 35 mm drier than it, which averages 29°C (84°F).

December in Thailand is about the same temperature as January and 11 mm drier than it, which averages 28°C (83°F).

Daylight in Thailand in December

On 15 December the sun is up for 11 hours 19 minutes in Thailand, rising about 06:33 and setting about 17:52 local time.

No month in Thailand has less daylight than December.

Thailand weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 2 Sept 2026358 places covered

How December compares with the rest of the year

December is highlighted. Every other month links to its own page.

Thailand weather by month: average temperature, rainfall, sunshine for each month, from 1991–2020 climate normals
MonthAverageRainfall
January28°C / 83°F18 mm
February30°C / 85°F22 mm
March31°C / 87°F43 mm
April32°C / 89°F92 mm
May31°C / 88°F221 mm
June30°C / 87°F187 mm
July30°C / 86°F184 mm
August30°C / 85°F227 mm
September29°C / 85°F331 mm
October29°C / 85°F276 mm
November29°C / 84°F42 mm
December28°C / 82°F7 mm

Similar weather in December

Other destinations whose December averages sit close to this one.

Check another month

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FAQs about Thailand in December

December climate averages for Thailand, 1991–2020.

Thailand averages 28°C (82°F) in December, ranging from about 23°C (74°F) at night to 32°C (90°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.

Barely. December sees only about 7 mm, so rain is unlikely to affect your plans.

They are about the same. December averages 28°C (82°F) and January 28°C (83°F), so temperature alone will not decide between them.

December is 1.2°C cooler than November, and 35 mm drier.

Yes. December falls inside the most comfortable stretch of the year here, November to March, on temperature and rainfall together.

About 7.4 hours of sun a day on the 1991–2020 average.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.

About 11 hours 19 minutes of daylight in mid-December, the least of any month in Thailand.

On 15 December, sunrise is about 06:33 and sunset about 17:52 local time. Both shift across the month.