December weather forecast
Pattaya, Thailand

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The Sanctuary of Truth Temple in Pattaya, Thailand, in the middle of a lovely natural park garden
The Sanctuary of Truth Temple in Pattaya, Thailand, in the middle of a lovely natural park garden

Weather in December

December characterizes the driest month of the year with rainfall plunging dramatically to 8mm (0.31"). The sea temperature retreats to 28.2°C (82.8°F), the lowest for the year, which could impact water enthusiasts. As the humidity drops to its annual low, comfortable weather conditions take over the coastal city of Pattaya. The month flaunts pleasant temperatures and ample sunshine hours despite slightly shorter days. The Christmas season shines bright in December, rounding off the year on a cheerful note.

Temperature

Pattaya's coldest temperatures are experienced in December, with average high temperatures of 30°C (86°F) and lows of 22.5°C (72.5°F).

Heat index

In December, the average heat index is appraised at a torrid 35°C (95°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

With an average relative humidity of 70%, December is the least humid month in Pattaya.

Rainfall

December is the month with the least rainfall. Rain falls for 1 days and accumulates 8mm (0.31") of precipitation.

Sea temperature

In December, the average sea temperature is 28.2°C (82.8°F).
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

December has the shortest days of the year in Pattaya, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:22 and sunset at 17:48. On the last day of December, in Pattaya, sunrise is at 06:38 and sunset at 18:00 +07.

Sunshine

The months with the most sunshine in Pattaya, Thailand, are January through April and December, with an average of 8h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 9 translates into these guidelines:
Protection is paramount; otherwise, swift harm can come to the skin and eyes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Prompt application of a broad-spectrum sunscreen, SPF 30+, is necessary after a swim or an outdoor workout and it should be re-applied every two hours. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Updated: Feb 5, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest time of year in Pattaya?

December proves to be the coldest month, recording an average maximum temperature of 30°C (86°F) and a minimum temperature of 22.5°C (72.5°F).

Is it hot in Pattaya during December?

In December, in Pattaya, the average high-temperature is 30°C (86°F), and the average low-temperature is 22.5°C (72.5°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 35°C (95°F).

What is the least humid month in Pattaya?

With an average relative humidity of 70%, December is the least humid month in Pattaya, Thailand.

What is the average humidity in December in Pattaya?

In December, the average relative humidity in Pattaya, Thailand, is 70%.

What is the driest month in Pattaya?

The month with the least rainfall in Pattaya, Thailand, is December, when the rain falls for 1 days and typically collects 8mm (0.31") of precipitation.

How much does it rain in Pattaya in December?

In Pattaya, Thailand, in December, it is raining for 1 days, with typically 8mm (0.31") of accumulated precipitation.

How warm is the water in December in Pattaya?

In Pattaya, in December, the average water temperature is 28.2°C (82.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Pattaya?

With an average of 11h and 24min of daylight, December has the shortest days of the year in Pattaya, Thailand.

How many hours of daylight does Pattaya have in December?

In Pattaya, Thailand, the average day length in December is 11h and 23min.

What time are sunrise and sunset in December in Pattaya?

In December, on the first day of the month, sunrise is at 06:22 and sunset at 17:48. On the last day of the month, sunrise is at 06:38 and sunset at 18:00 +07.

What are the months with the most sunshine in Pattaya?

The months with the most sunshine are January through April and December, with an average of 8h of sunshine.

How long on average sun shines in December in Pattaya?

In December, the average sunshine duration in Pattaya, Thailand, is 8h.

When is the lowest UV index in Pattaya?

With an average maximum UV index of 9, December is the month with the lowest UV index in Pattaya.

What is the UV index intensity in December in Pattaya?

The average daily maximum UV index in December is 9. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Pattaya, Thailand

Average temperature in December - Pattaya, Thailand
  • Average high temperature in December: 30°C

The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (30°C).

  • Average low temperature in December: 22.5°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is December (22.5°C).

Average humidity in December
Pattaya, Thailand

Average humidity in December - Pattaya, Thailand
  • Average humidity in December: 70%

The month with the highest relative humidity is October (83%).
The month with the lowest relative humidity is December (70%).

Average rainfall in December
Pattaya, Thailand

Average rainfall in December - Pattaya, Thailand
  • Average rainfall in December: 8.3mm

The wettest month (with the highest rainfall) is October (216.1mm).
The driest month (with the least rainfall) is December (8.3mm).

Average rainfall days in December
Pattaya, Thailand

Average rainfall days in December - Pattaya, Thailand
  • Average rainfall days in December: 1 days

The month with the highest number of rainy days is October (18 days).
The months with the least rainy days are January and December (1 days).

Average sea temperature in December
Pattaya, Thailand

Average sea temperature in December - Pattaya, Thailand
  • Average sea temperature in December: 28.2°C

The best month for swimming (with the highest average sea temperature) is May (30°C).
The coldest month (with the lowest average sea temperature) is January (27.2°C).

Average daylight in December /
Average sunshine in December
Pattaya, Thailand

Average daylight in December / Average sunshine in December - Pattaya, Thailand
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in December: 8h

The months with the most sunshine are January, February, March, April and December (Average sunshine: 8h).
The months with the least sunshine are June, July, August and September (Average sunshine: 5h).

Average UV index in December
Pattaya, Thailand

Average UV index in December - Pattaya, Thailand
  • Average UV index in December: 9

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

Pattaya, Thailand

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