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December Weather in Phu Thai, Vietnam

Last updated: August 28, 2025

In December, the average temperature in Phu Thai, Vietnam hovers around 18°C (65°F). You can expect temperatures to range from a cool 8°C (46°F) to a warm 29°C (85°F). Additionally, be prepared for approximately 35 mm (1.4 in) of precipitation spread over 7 days, and enjoy an average humidity level of 71%.

December Temperature in Phu Thai

In December in Phu Thai, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 8°C (46°F). This pleasant range makes it an ideal time for travel, allowing for comfortable exploration and outdoor activities.

December Weather in Phu Thai: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Phu Thai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Thai, December typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec646672768287868483777265
Data source: Temperature data for Phu Thai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Phu Thai

In Phu Thai in December, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

December Precipitation Trends in Phu Thai

The chart displays monthly precipitation patterns in Phu Thai, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Phu Thai, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec293454861762012724402502064435
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Phu Thai

In Phu Thai in December humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

December Average Humidity in Phu Thai

This chart illustrates the average monthly humidity levels in Phu Thai, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Phu Thai is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Phu Thai

In Phu Thai in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Phu Thai.

Maximum UV Index Levels in Phu Thai for December

The chart shows the monthly maximum UV Index (UVI) for Phu Thai in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Phu Thai typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313121313131197
Data source: Phu Thai December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Phu Thai Compares to Other Months

Weather in Phu Thai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Phu Thai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Phu Thai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)29 mm (1.1 inches)66%very high
February Weather19°C (66°F)34 mm (1.3 inches)71%very high
March Weather22°C (72°F)54 mm (2.1 inches)69%extreme
April Weather24°C (76°F)85 mm (3.4 inches)64%extreme
May Weather28°C (83°F)176 mm (6.9 inches)73%extreme
June Weather30°C (87°F)201 mm (7.9 inches)81%extreme
July Weather30°C (86°F)272 mm (10.7 inches)90%extreme
August Weather29°C (85°F)440 mm (17.3 inches)89%extreme
September Weather28°C (83°F)250 mm (9.9 inches)82%extreme
October Weather25°C (77°F)206 mm (8.1 inches)77%extreme
November Weather22°C (73°F)44 mm (1.7 inches)72%very high
December Weather18°C (65°F)35 mm (1.4 inches)71%high

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