Cha Am
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Cha Am Weather in December

Cha Am in December sees very high daytime temperatures of 30°C (86°F) and nighttime lows of 24°C (75°F). Low rainfall is typical, with around 17 mm (0.7 in) for the month.

Rainfall in Cha Am in December

You can expect rain on roughly 2 days based on historical data, averaging 17 mm (0.7 in) for the month. On the rare occasion it does rain, the shower can be quite heavy given the low total spread across a single day.

Temperature in Cha Am in December

December is a excellent month in Cha Am, with 30°C (86°F) during the day and 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. While slightly cooler, this month still offers warm and pleasant weather.

Sunshine in Cha Am in December

With approximately 264 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Cha Am Temperature in December

Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
6%
Precipitation
17 mm (0.7 in)
Rainy days
2 days
Humidity
67% *
Sunshine
264 hours *
Percentage Sunshine
*
* Data from: Hua Hin, Thailand (25 KM, 15 Miles).

Cha Am Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cha Am - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Cha Am typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in December

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

Historical weather records for Cha Am in December

Browse day-by-day weather records for Cha Am spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Cha Am historical weather extremes in December

The extremes listed below come from historical weather data collected in Cha Am from 1976 through 2025.

  • The hottest December day on record in Cha Am reached 37°C (99°F) (December 17, 2015).
  • Cha Am experienced its chilliest December day on December 25, 1992, reaching only 19°C (66°F).
  • Cha Am registered its coldest December night on December 20, 1982, with temperatures dropping to 14°C (57°F).

Best Places in Thailand in December

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Cha Am in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Cha Am in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Cha Am 3-Day Forecast

More climate data for Cha Am

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.