December Weather in Hoi An, Vietnam

Last updated: August 28, 2025

Experience the enchanting weather of Hoi An, Vietnam in December, where warm temperatures create a mild coastal retreat. With a maximum of 28°C (83°F) and an average of 23°C (73°F), the climate is perfect for exploring this UNESCO World Heritage site. However, prepare for frequent rain, as the city receives 355 mm (14.0 in) of precipitation over approximately 24 days during the month, enveloping the landscapes in a lush, vibrant glow. Coupled with high humidity levels of 89%, Hoi An's December atmosphere is both refreshing and invigorating, ideal for travelers seeking a unique blend of culture and nature.

December Temperature in Hoi An

In December, Hoi An experiences a mild and pleasant climate, making it an ideal time for exploration. With minimum temperatures around 18°C (64°F) and average highs reaching 28°C (83°F), the weather remains comfortable for both daytime adventures and evening strolls through the charming streets. This month marks the transition from the warmer, humid months preceding it, with a clear drop in temperatures, especially compared to the peaks seen in April and May. As the year comes to a close, the steady average temperature of 23°C (73°F) invites visitors to enjoy the city's rich culture without the summer heat, offering a delightful escape amid lush landscapes and historic marvels.

December Weather in Hoi An: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hoi An, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hoi An, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec727277798487868683807773
Data source: Temperature data for Hoi An generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Hoi An

December in Hoi An, Vietnam, marks a transition into the wetter part of the year, with precipitation peaking at an impressive 355 mm (14.0 in), making it one of the rainier months. The city experiences an average of 24 rainy days, underscoring the persistent showers typical of this time. Following November's heavy rainfall, which sees an astonishing 596 mm (23.5 in), December continues the trend of significant precipitation, yet it is a reduction from October's record-breaking 533 mm (21.0 in). This consistent rainfall is integral to the region's lush landscapes, but it also signals the need for travelers to prepare for wet weather when visiting during this time. As the year comes to a close, Hoi An showcases its vibrant culture through the lens of its rainy season, blending tranquil moments with the rhythmic patter of raindrops.

December Precipitation Trends in Hoi An

The chart displays monthly precipitation patterns in Hoi An, 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 Hoi An, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec16184807910869146142246533596356
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Hoi An

In December, Hoi An experiences a notable drop in humidity, settling at 89%, following the peak levels of 90% in October and 91% in November. This month marks a transition as the humidity begins to level off after months of increasingly damp conditions, including the year’s highest readings in the fall. While December remains relatively humid compared to earlier months like April (75%) and March (78%), the slight decline is welcomed by many, as it provides a brief respite before the humidity begins to rise again in the upcoming year. Thus, December serves as a unique moment in Hoi An’s climate, balancing the lingering dampness of the rainy season with the promise of drier days ahead.

December Average Humidity in Hoi An

This chart illustrates the average monthly humidity levels in Hoi An, 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 Hoi An is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%78%75%80%85%85%87%88%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hoi An

As December rolls into Hoi An, Vietnam, the UV Index begins to taper off, registering at 9, which places it in the very high exposure category. This marks a slight decrease from the extreme levels that dominated the earlier months, with burn times also increasing to 15 minutes. The trend over the year reveals a consistent escalation in UV intensity from January through April, where the index peaks at 15. Following this, levels remain extremely high for much of the summer, before gently descending in the latter months. While travelers can enjoy a reprieve in December, it remains crucial to stay protected under the sun. For a detailed overview of Hoi An's UV trends, be sure to check out Hoi An UV Index.

Maximum UV Index Levels in Hoi An for December

The chart shows the monthly maximum UV Index (UVI) for Hoi An 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 Hoi An typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141314141312109
Data source: Hoi An 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.

December Sunshine in Hoi An

In December, Hoi An begins to cool slightly, yet the city remains drenched in radiant sunshine with an impressive 229 hours of sunlight. This month, while it marks a dip from the peak of 329 hours in May, still reflects Hoi An's consistent charm. Notably, the sunny hours in December follow a trend of slight decline as the year wanes, but they also capture the essence of the dry season that starts to take hold. As visitors stroll through the ancient streets during this time, the soft, golden light accentuates the vibrant colors of the buildings, making December a picturesque time to enjoy this historic town. Overall, Hoi An in December offers a delightful blend of pleasant weather and mesmerizing scenery, perfect for exploration and relaxation.

Monthly Sunshine Duration in Hoi An: December Highlighted

The December sunshine duration represents the total number of hours Hoi An experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec210h271h315h301h329h315h317h318h302h273h239h229h
Data source: Hoi An December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hoi An During December

When considering the likelihood of sunny weather in December in Hoi An, Vietnam, it's noteworthy that the chances stand at 23%, reflecting a lower trend compared to the earlier months. After peaking in February at 55%, the probability of sunny days swiftly declines, with January and subsequent months showing various fluctuations, dipping to just 14% in October before modestly rebounding in November. This pattern suggests that while December is not the sunniest month, it still holds on to a slim chance for clear skies, making it an interesting time for travelers who might enjoy a unique blend of mild weather and fewer crowds. As the year winds down, visitors should prepare for a mix of possibilities, understanding that the allure of Hoi An lies in its charming ambiance regardless of sunshine.

Percentage of Sunny Days in December in Hoi An

The chart illustrates the percentage of sunny days in Hoi An throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hoi An experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%55%48%47%49%27%29%22%23%14%24%23%
Data source: Hoi An December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hoi An in December

In Hoi An, Vietnam, the daylight duration presents a rhythmic pattern throughout the year, with December bringing back 11 hours of daylight, similar to both January and February. As the year progresses from the cooler months of winter towards the warmth of spring, daylight gradually increases, peaking at a generous 13 hours in June. Following this peak, daylight hours taper off, returning to 12 hours in the summer months until settling back to 11 hours as the year closes out. This consistent ebb and flow of daylight fosters a delightful atmosphere, perfect for exploring Hoi An's charm, whether basking in the gentle glow of winter or enjoying longer days in summer.

Average Daylight Hours in Hoi An for December

The chart illustrates the variation in daylight duration in Hoi An throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 17m11h 36m12h 2m12h 29m12h 51m13h 2m12h 57m12h 37m12h 11m11h 45m11h 22m11h 11m
Data source: Hoi An daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Hoi An

In December, Hoi An experiences its most invigorating winds of the year, with an average speed of 3.8 m/s (8 mph). This spike in wind activity marks a notable increase from the preceding months, particularly when compared to the lighter breezes of summer, which hovered around 2.1 m/s to 2.8 m/s. As the year draws to a close, the winds not only add a refreshing chill to the air but also enhance the city's vibrant atmosphere, inviting both locals and visitors to step outside and enjoy the enchanting light displays and festive decorations. The transition from November's 3.5 m/s to December's brisk winds reflects a seasonal shift, making this time of year perfect for leisurely strolls along Hoi An's ancient streets, where the gentle rustle of the wind harmonizes with the charming sights and sounds of this historic gem.

Average December Wind Speed in Hoi An

The chart displays monthly wind speed patterns in Hoi An, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.53.02.62.82.12.62.42.83.33.53.8 m/s
Data source: Hoi An December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Hoi An Compares to Other Months

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

In comparing the weather between December and January, we see a slight decline in temperatures and precipitation. December typically sees minimum temperatures hovering around 18°C (64°F) with maximums reaching up to 28°C (83°F), while January's temperatures range from a minimum of 16°C (61°F) to a maximum of 28°C (84°F). Notably, December experiences significantly higher rainfall, averaging 355 mm (14.0 in) over 24 days, compared to January's 161 mm (6.4 in) spread over 19 days. Humidity levels are also slightly lower in January at 86%, compared to December's 89%. For more detailed insights on January weather, check out Hoi An weather in January.

In December, the weather is generally warm and humid, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 28°C (83°F) and an average of 23°C (73°F). This month sees significant rainfall, with 355 mm (14.0 in) spread over 24 days, resulting in a high humidity of 89%.

In contrast, February offers slightly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 30°C (85°F), while still maintaining an average of 22°C (73°F). The precipitation dramatically decreases to 84 mm (3.3 in) over just 12 days, leading to a lower humidity level of 83%. The notable reduction in both rainfall and humidity makes February a more comfortable time for outdoor activities compared to the wet conditions of December. For more details, you can check Hoi An weather in February.

December and March present noticeably different weather conditions. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 28°C (83°F), with an average of 23°C (73°F). The month is characterized by high precipitation, with 355 mm (14.0 in) falling over 24 days and humidity peaking at 89%. In contrast, March experiences warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching 31°C (89°F), averaging at 25°C (77°F). Rainfall significantly decreases to 80 mm (3.2 in) over just 11 days, and humidity levels drop to 78%. For more detailed insights, you can refer to Hoi An weather in March.

December and April display distinct weather contrasts. In December, temperatures range from a mild minimum of 18°C (64°F) to a maximum of 28°C (83°F), with an average of 23°C (73°F). This month also sees a significant amount of rainfall, averaging 355 mm (14.0 in) over 24 days, accompanied by high humidity at 89%. In comparison, April offers warmer temperatures, with a minimum of 20°C (69°F) and a maximum reaching 34°C (94°F), averaging 26°C (80°F). Precipitation drops sharply, totaling only 79 mm (3.1 in) over just 10 days, and humidity levels are lower at 75%. For more specific details on April's weather in Hoi An, visit Hoi An weather in April.

In December, the weather tends to be milder with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 28°C (83°F). However, this month also sees significant rainfall, with 355 mm (14.0 in) of precipitation over 24 days and a high humidity level of 89%. In contrast, May experiences warmer temperatures, with lows around 23°C (74°F) and highs reaching up to 36°C (96°F). Additionally, May has considerably less rainfall at 108 mm (4.3 in) across 14 days and slightly lower humidity at 80%. For a closer look at what to expect, check out Hoi An weather in May.

December weather in Hoi An is characterized by relatively cooler temperatures, with daily averages ranging from a low of 18°C (64°F) to a high of 28°C (83°F). The month experiences significant rainfall, averaging 355 mm (14.0 in) over 24 days, contributing to a high humidity level of 89%. In contrast, June brings warmer and drier conditions, with temperatures ranging from a minimum of 26°C (78°F) to a scorching maximum of 37°C (98°F). Precipitation during this month is notably less, totaling only 69 mm (2.7 in) over 13 days, and humidity is slightly lower at 85%. For a more detailed look at what to expect, check out Hoi An weather in June.

In December, the weather is generally cooler with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 28°C (83°F), averaging around 23°C (73°F). This month also experiences significant rainfall, with 355 mm (14.0 in) of precipitation spread over 24 days, resulting in high humidity levels of 89%. In contrast, July is much warmer, with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 36°C (97°F), averaging 30°C (86°F). Rainfall in July is considerably lower at 146 mm (5.8 in) over 18 days, and humidity is slightly less at 85%. For more details on the weather during this time, check out Hoi An weather in July.

In December, Hoi An experiences milder temperatures, with a minimum of 18°C (64°F) and an average of 23°C (73°F), but it tends to be quite rainy, receiving about 355 mm (14.0 in) of precipitation over 24 days and high humidity at 89%. In contrast, August offers warmer conditions, with minimum temperatures around 25°C (78°F) and an average of 30°C (86°F), peaking at 36°C (97°F). Additionally, August sees significantly less rainfall, totaling 142 mm (5.6 in) over 19 days and slightly lower humidity at 87%. For more detailed information, you can check Hoi An weather in August.

In December, the weather in Hoi An features milder temperatures, with a minimum of 18°C (64°F) and an average of 23°C (73°F), compared to September's warmer range, where temperatures start at a minimum of 25°C (77°F) and peak at 34°C (94°F). December also sees higher precipitation levels, with 355 mm (14.0 in) of rain over 24 days, contrasting with September's 246 mm (9.7 in) over 23 days. Humidity remains high in both months, with December at 89% and September slightly lower at 88%. For a detailed look at the weather trends, check out Hoi An weather in September.

December and October in Hoi An present distinct weather patterns. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 28°C (83°F), with an average of 23°C (73°F). The month is marked by high humidity at 89% and significant rainfall, totaling 355 mm (14.0 in) over 24 days. In contrast, October sees warmer temperatures, with a minimum of 23°C (73°F) and a peak of 32°C (90°F), accompanied by an average of 27°C (80°F). Although October experiences more substantial precipitation at 533 mm (21.0 in) over 25 days, the humidity is slightly higher at 90%. For more details on Hoi An's October weather, check out Hoi An weather in October.

In comparing the weather between November and December, December tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 28°C (83°F), while November showcases warmer conditions with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 30°C (85°F). However, December experiences significantly higher precipitation levels, with 355 mm (14.0 in) of rain falling over 24 days, compared to November's 596 mm (23.5 in) spread over 23 days. Humidity levels remain consistently high in both months, with December at 89% and November at 91%. For more detailed insights, you can visit Hoi An weather in November.

Compare Hoi An's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Hoi An

December in Hoi An brings a unique blend of cooler temperatures and higher humidity compared to the rest of the year. With averages resting around 23°C (73°F) and nights dipping to 18°C (64°F), it's a refreshing change from the hotter months. However, this respite comes alongside increased precipitation, as December witnesses nearly 24 rainy days and a total of 355 mm of rainfall, making it one of the wettest months. Travelers should prepare for a mix of cool, damp days, where layers and waterproof gear become essential. For more insights on seasonal variations, check out Hoi An Climate.