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 perfect 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Cha Am's climate page.
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
*
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 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
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Cha Am's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cha Am climate overview or explore weather in Thailand.
