December weather forecast
Hua Hin, Thailand

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Scenic blue sky, clear water, and rocks on the white sandy beach of Sainoi in Hua Hin, Thailand
Scenic blue sky, clear water, and rocks on the white sandy beach of Sainoi in Hua Hin, Thailand

Weather in December

December in Hua Hin is defined by cooler temperatures, minimal rainfall and longer sunshine hours. The city receives a mere 8mm (0.31") of rain, crowning it the driest month of the year. Despite being in a tropical region, Hua Hin's weather during December is exceptionally comfortable and inviting. Humidity levels decline, providing the perfect climate for any outdoor activities. By the end of the month, temperatures drop slightly, giving a gentle nod towards the New Year and the cyclical nature of Hua Hin's weather.

Temperature

The coldest period in Hua Hin is December, when temperatures fluctuate between an average high of 29.5°C (85.1°F) and a low of 22.5°C (72.5°F).

Heat index

The heat index for December is computed to be a tropical 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

December is the least humid month in Hua Hin, Thailand, with an average relative humidity of 67%.

Rainfall

December is the month with the least rainfall in Hua Hin. Rain falls for 2 days and accumulates 8mm (0.31") of precipitation.

Sea temperature

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Hua Hin.
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The month with the shortest days is December, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:26 and sunset at 17:52. On the last day of December, in Hua Hin, sunrise is at 06:41 and sunset at 18:05 +07.

Sunshine

January through March and December, with an average of 9h of sunshine, are months with the most sunshine in Hua Hin, Thailand.

UV index

The month with the lowest UV index in Hua Hin is December, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 9 translates into these guidelines:
Take extra precautions. Protection against sun damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Apply generously and frequently a broad-spectrum SPF 30+ sunscreen every two hours, or immediately after swimming or any outdoor exercise. Notice! Sand and water reflections contribute to a stronger UV exposure.
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Frequently asked questions

What is the coldest time of year in Hua Hin?

In Hua Hin, December is the coldest month, with temperatures averaging a high of 29.5°C (85.1°F) and a low of 22.5°C (72.5°F).

How hot does it get in Hua Hin in December?

December temperatures vary between a high-temperature of 29.5°C (85.1°F) and a low-temperature of 22.5°C (72.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in December is computed to be 33°C (91.4°F).

What is the least humid month in Hua Hin?

With an average relative humidity of 67%, December is the least humid month in Hua Hin, Thailand.

What is the average humidity in December in Hua Hin?

The average relative humidity in December is 67%.

What is the driest month in Hua Hin?

The month with the least rainfall in Hua Hin is December, when the rain falls for 2 days and typically collects 8mm (0.31") of precipitation.

How much does it rain in Hua Hin in December?

In Hua Hin, Thailand, in December, during 2 rainfall days, 8mm (0.31") of precipitation is typically accumulated.

When is the sea coldest in Hua Hin?

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.

What is the sea water temperature in December in Hua Hin?

In Hua Hin, Thailand, the average seawater temperature in December is 28°C (82.4°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 Hua Hin?

December has the shortest days of the year in Hua Hin, with an average of 11h and 24min of daylight.

How many hours of daylight does Hua Hin have in December?

In Hua Hin, the average day length in December is 11h and 24min.

When is the sunrise / sunset in December in Hua Hin?

In December, on the first day of the month, sunrise is at 06:26 and sunset at 17:52. On the last day of the month, in Hua Hin, Thailand, sunrise is at 06:41 and sunset at 18:05 +07.

What are the months with the most sunshine in Hua Hin?

The months with the most sunshine in Hua Hin, Thailand, are January through March and December, with an average of 9h of sunshine.

How long on average sun shines in December in Hua Hin?

The average sunshine duration in December in Hua Hin, Thailand, is 9h.

When is the lowest UV index in Hua Hin?

December is the month with the lowest UV index in Hua Hin, Thailand, with an average maximum UV index of 9.

What is the UV index intensity in December in Hua Hin?

In December, the average daily maximum UV index in Hua Hin, Thailand, is 9. A UV Index of 8 to 10 symbolizes a very high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Hua Hin, Thailand

Average temperature in December - Hua Hin, Thailand
  • Average high temperature in December: 29.5°C

The warmest months (with the highest average high temperature) are April and May (33.6°C).
The month with the lowest average high temperature is December (29.5°C).

  • Average low temperature in December: 22.5°C

The month with the highest average low temperature is May (26°C).
The coldest month (with the lowest average low temperature) is January (22.2°C).

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Average humidity in December
Hua Hin, Thailand

Average humidity in December - Hua Hin, Thailand
  • Average humidity in December: 67%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is December (67%).

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Average rainfall in December
Hua Hin, Thailand

Average rainfall in December - Hua Hin, Thailand
  • Average rainfall in December: 7.9mm

The wettest month (with the highest rainfall) is October (246.2mm).
The driest month (with the least rainfall) is December (7.9mm).

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Average rainfall days in December
Hua Hin, Thailand

Average rainfall days in December - Hua Hin, Thailand
  • Average rainfall days in December: 2 days

The month with the highest number of rainy days is August (18 days).
The months with the least rainy days are January, February, March and December (2 days).

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Average sea temperature in December
Hua Hin, Thailand

Average sea temperature in December - Hua Hin, Thailand
  • Average sea temperature in December: 28°C

The best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
The coldest months (with the lowest average sea temperature) are January, February and December (28°C).

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Average daylight in December /
Average sunshine in December
Hua Hin, Thailand

Average daylight in December / Average sunshine in December - Hua Hin, 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: 9h

The months with the most sunshine are January, February, March and December (Average sunshine: 9h).
The months with the least sunshine are June, July, August and September (Average sunshine: 5h).

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Average UV index in December
Hua Hin, Thailand

Average UV index in December - Hua Hin, Thailand
  • Average UV index in December: 9

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

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Hua Hin, Thailand

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