December Weather in Khe Sanh, Vietnam

Last updated: August 28, 2025

In December, Khe Sanh, Vietnam experiences a mild tropical climate characterized by a maximum temperature of 29°C (85°F) and a comfortable average of 20°C (68°F). The minimum temperature drops to around 14°C (57°F), offering cooler nights. This month is marked by significant rainfall, with a total precipitation of 164 mm (6.5 in) distributed over 22 days, resulting in a lush, verdant landscape. Coupled with a high humidity level of 83%, December in Khe Sanh creates a uniquely atmospheric environment, rich in both natural beauty and tropical charm.

December Temperature in Khe Sanh

In December, Khe Sanh, Vietnam experiences a gentle transition into the cooler months, with temperatures showcasing a comfortable range. The minimum temperature settles at 14°C (57°F), providing a chill that whispers of the approaching winter. The average temperature holds steady at 20°C (68°F), ideal for outdoor exploration, while daytime highs can reach a pleasant 29°C (85°F), allowing for warm afternoons under the sun. Compared to the sweltering summer months, December's climate is notably more temperate, making it an excellent time for visitors to enjoy the region's beauty without the oppressive heat found earlier in the year. As the year draws to a close, Khe Sanh offers a refreshing escape, perfectly blending cozy cooler mornings with inviting warm afternoons.

December Weather in Khe Sanh: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Khe Sanh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khe Sanh, 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).
JanFebMarAprMayJunJulAugSepOctNovDec676875788284828180767368
Data source: Temperature data for Khe Sanh 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 Khe Sanh

December in Khe Sanh, Vietnam, showcases a significant shift in precipitation patterns as the year draws to a close. With 164 mm (6.5 in) of rainfall over 22 days, it stands as one of the wetter months, although notably lighter than the torrential downpours of October and November. This month often experiences a transition from the intense rain of earlier autumn to a somewhat drier winter, yet it retains a substantial number of wet days, ensuring that lush greenery persists throughout the region. The consistent rainfall not only enriches the landscape but also sets the stage for the cooler, drier months ahead, hinting at the cyclical nature of Khe Sanh's climate.

December Precipitation Trends in Khe Sanh

The chart displays monthly precipitation patterns in Khe Sanh, 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 Khe Sanh, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec95607510513664237162296426318164
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Khe Sanh

In Khe Sanh, Vietnam, December ushers in a transition in humidity levels, with a notable 83% that reflects the lingering moisture of the rainy season. As the year unfolds, humidity starts at a relatively high 77% in January, declining to its low point of 60% in April. However, as the summer months approach, a dramatic surge occurs, peaking in August at a staggering 92%. Following this peak, humidity slowly tapers off, with December's level remaining quite high compared to other months but showing a gradual decrease from previous summer highs. This trend highlights Khe Sanh's characteristic tropical climate, where the air remains perpetually damp and muggy, especially in the latter months of the year.

December Average Humidity in Khe Sanh

This chart illustrates the average monthly humidity levels in Khe Sanh, 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 Khe Sanh is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%64%60%73%82%90%92%87%85%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Khe Sanh

In December, Khe Sanh, Vietnam experiences a UV Index of 9, categorized as very high, which still demands caution despite a slight decrease from the extreme levels typical in the summer months. Throughout the year, the UV Index frequently reaches extremes of 12 to 14 from February to July, with a consistent burn time of just 10 minutes. This trend indicates that the region's sun exposure remains intense, particularly during the peak months. As the year winds down, both November and December see a return to a slightly more manageable UV Index of 10 and 9, respectively, allowing for 15 minutes before sunburn occurs. To stay safe while enjoying the beautiful landscapes, it's essential to stay informed about the UV levels in this region. For more details, check out the Khe Sanh UV Index.

Maximum UV Index Levels in Khe Sanh for December

The chart shows the monthly maximum UV Index (UVI) for Khe Sanh 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 Khe Sanh typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141314141312109
Data source: Khe Sanh 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 Khe Sanh

December in Khe Sanh, Vietnam, offers a gentle wrap-up to the year with 201 hours of brilliant sunshine. While this marks a decline from the peak of 315 hours in May, it still reflects the region's consistent brightness throughout the year. Notably, after a gradual decrease from October's 250 hours to December's totals, the sunny days serve as a reminder of the vibrant months that preceded them. Interestingly, February recorded a robust 257 hours, suggesting that the earlier part of the year is particularly generous with sunlight. Overall, Khe Sanh's climate exhibits a charming rhythm, inviting both reflection and exploration, even as December gently ushers in the cooler, quieter days of winter.

Monthly Sunshine Duration in Khe Sanh: December Highlighted

The December sunshine duration represents the total number of hours Khe Sanh 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h257h299h284h315h313h302h302h289h250h225h201h
Data source: Khe Sanh December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Khe Sanh During December

When it comes to the likelihood of sunny weather in Khe Sanh, Vietnam, December offers only a modest chance of sunshine at 13%. This dip in sunny days is part of a broader trend, as the region experiences its lowest probabilities of clear skies during the last quarter of the year. Following a peak in May with 42% sunshine, the percentage steadily declines, hitting a low in October at just 9% before slightly rebounding in December. This pattern suggests that if you’re planning a trip during the festive season, pack for the possibility of cloud cover and rain rather than basking in the sun.

Percentage of Sunny Days in December in Khe Sanh

The chart illustrates the percentage of sunny days in Khe Sanh 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 Khe Sanh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%32%25%26%42%20%21%16%15%9%11%13%
Data source: Khe Sanh December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Khe Sanh in December

In Khe Sanh, Vietnam, daylight duration exhibits a rhythmic pattern throughout the year, with December offering a reliable 11 hours of sunlight. This consistency is a hallmark of the region, where daylight ranges from 11 to 13 hours. The year begins and ends with 11 hours of daylight in January and December, while the longest days are experienced in June, reaching 13 hours. From March to May, daylight increases, peaking in the middle of the year before gradually returning to shorter days in late autumn and winter. This harmonious cycle not only shapes the daily lives of Khe Sanh's residents but also enriches the landscape with varying shades of light and shadow across the seasons.

Average Daylight Hours in Khe Sanh for December

The chart illustrates the variation in daylight duration in Khe Sanh throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 14m11h 35m12h 2m12h 30m12h 53m13h 5m12h 59m12h 39m12h 12m11h 44m11h 20m11h 8m
Data source: Khe Sanh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Khe Sanh

In Khe Sanh, Vietnam, the December winds offer a gentle reminder of the region's shifting breezes throughout the year. With an average speed of 3.4 m/s (8 mph), December's winds are a subtle increase from the preceding months, reflecting a transition that began in the summer. The wind speed peaks in June at 4.5 m/s (10 mph), followed by a gradual decline until it reaches its trough in September, making December feel somewhat invigorating yet still mild. As the year comes to a close, the steady wind serves as a bridge to the new year, hinting at a changing climate with the promise of drier days ahead. This trend showcases the rhythmic dance of nature in Khe Sanh, where every month brings its character, culminating in the refreshing embrace of December's winds.

Average December Wind Speed in Khe Sanh

The chart displays monthly wind speed patterns in Khe Sanh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.72.42.01.84.54.03.61.72.73.53.4 m/s
Data source: Khe Sanh December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Khe Sanh Compares to Other Months

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

December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), with an average temperature of 20°C (68°F). This month experiences considerable precipitation, with 164 mm (6.5 in) falling over 22 days, contributing to a higher humidity of 83%. In contrast, January brings slightly cooler mornings with a minimum of 10°C (51°F), and maximum temperatures can reach up to 31°C (88°F), while the average remains at 20°C (68°F). Precipitation drops significantly to 94 mm (3.7 in) over 18 days, and humidity decreases to 77%. For a more detailed look at January weather specifics, visit Khe Sanh weather in January.

In comparing the weather of December and February, December tends to be somewhat warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), alongside higher humidity levels at 83%. In contrast, February features slightly cooler minimum temperatures at 11°C (53°F) and a higher maximum of 33°C (92°F), but with significantly less precipitation at 60 mm (2.4 in) over just 13 days. This results in a drier feel during February, characterized by lower humidity at 73%. For more detailed insights, you can check Khe Sanh weather in February.

In December, the weather brings a milder climate with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F). However, it is characterized by high humidity at 83% and significant precipitation of 164 mm (6.5 in) over 22 days. In contrast, March experiences warmer temperatures, with an average ranging from 15°C (59°F) to a sweltering maximum of 36°C (97°F). While the humidity drops to 64%, precipitation is also reduced to 75 mm (2.9 in) spread across 17 days. For more detailed insights, check out Khe Sanh weather in March.

December and April exhibit distinct weather patterns, reflecting the transition from cooler to warmer months. In December, temperatures range from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), with an average of 20°C (68°F). This month experiences significant precipitation, totaling 164 mm (6.5 in) over 22 days, accompanied by high humidity at 83%. In contrast, April showcases warmer temperatures, with a minimum of 15°C (60°F) and a maximum soaring to 36°C (98°F), alongside an average of 25°C (78°F). Precipitation decreases to 105 mm (4.1 in) over 18 days, and humidity drops to a more comfortable 60%. For more detailed information, check Khe Sanh weather in April.

In comparing the weather between December and May, one can see significant differences in temperature and humidity. December experiences milder temperatures, with a minimum of 14°C (57°F) and an average of 20°C (68°F), while May heats up considerably, showcasing a minimum of 18°C (66°F) and an average of 28°C (82°F), peaking at a high of 38°C (100°F). Furthermore, while December has a higher humidity level at 83% and more days of precipitation (22 days and 164 mm of rain), May is drier with 73% humidity, 21 days of rain, and a total of 136 mm of precipitation. For more detailed insights into the weather in May, you can visit Khe Sanh weather in May.

In December, the weather tends to be more moderate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F) and an average of 20°C (68°F). However, this month is characterized by higher precipitation, receiving 164 mm (6.5 in) over 22 days, and humidity levels around 83%.

In contrast, June experiences significantly warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a sweltering maximum of 38°C (101°F), averaging 29°C (84°F). This month sees much less rainfall, with only 64 mm (2.5 in) spread over 12 days and humidity slightly lower at 82%. For a closer look at June weather patterns, you can visit Khe Sanh weather in June.

When comparing the weather in December and July, there are notable differences in temperature and precipitation. December experiences milder temperatures, with a minimum of 14°C (57°F) and an average of 20°C (68°F), while July sees much warmer conditions, with a minimum of 22°C (72°F) and an average of 28°C (82°F). Additionally, July is the wetter month, receiving 236 mm (9.3 in) of rain over 18 days, compared to December's 164 mm (6.5 in) over 22 days. Humidity levels are also higher in July at 90%, compared to December's 83%. For more specific details about weather conditions in July, you can check Khe Sanh weather in July.

When comparing the weather in December and August, it's clear that both months experience significant warmth and humidity. December sees temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), whereas August is noticeably hotter, with temperatures ranging from 22°C (72°F) to 36°C (97°F). Precipitation levels are quite similar, with December receiving 164 mm (6.5 in) over 22 days and August slightly less at 162 mm (6.4 in) over 21 days. Humidity levels are higher in August at 92%, compared to December's 83%. Overall, August is characterized by hotter temperatures and higher humidity, making it feel more oppressive, while December offers a slightly cooler respite. For more detailed information, you can visit Khe Sanh weather in August.

In comparing the weather conditions of December and September, it is clear that September is generally warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), while December's temperatures are milder, averaging between 14°C (57°F) and 29°C (85°F). Additionally, September experiences significantly higher rainfall, totaling 295 mm (11.6 in) over 22 days, compared to December's 164 mm (6.5 in) during the same number of days. Humidity levels are slightly higher in September at 87%, compared to December's 83%. For more detailed insights, you can check out Khe Sanh weather in September.

When comparing the weather in December and October, distinct differences emerge. December tends to be cooler, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (85°F), resulting in an average temperature of 20°C (68°F). In contrast, October experiences warmer conditions, with minimum temperatures of 19°C (66°F) and maximums reaching up to 34°C (93°F), giving it an average of 25°C (76°F). Precipitation also varies significantly; December sees about 164 mm (6.5 in) of rain over 22 days, while October has substantially higher rainfall of 426 mm (16.8 in) spread across 24 days. Humidity levels remain fairly consistent, with December at 83% and October slightly higher at 85%. For more detailed information, you can check Khe Sanh weather in October.

In comparing the weather between December and November, we observe that December experiences slightly lower temperatures, with an average of 20°C (68°F) compared to November's 23°C (73°F). Moreover, November presents a higher maximum temperature of 32°C (90°F) alongside a minimum of 15°C (60°F), while December’s maximum reaches 29°C (85°F) with a minimum of 14°C (57°F). Precipitation levels are notably different as well, with December receiving 164 mm (6.5 in) over 22 days, whereas November sees significantly more rain at 318 mm (12.5 in) across 23 days. The humidity remains consistent, measuring 83% in December and slightly higher at 84% in November. For a closer look at the specifics of November weather in this region, you can visit Khe Sanh weather in November.

Compare Khe Sanh's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Khe Sanh

As December arrives at Khe Sanh, the weather takes on a distinctive character compared to other months. With temperatures averaging around 20°C (68°F), it offers a comfortable yet cooler respite from the warmer preceding months. However, this comfort comes with substantial precipitation, as the region experiences its wettest period, contributing to a sodden atmosphere marked by high humidity levels of 83%. The frequent rain, occurring on 22 days of the month, creates a lush, green landscape but can also affect outdoor plans. To explore Khe Sanh's distinctive weather year-round, check out Khe Sanh Climate.