December Weather in Hadong, South Korea

Last updated: October 30, 2025

In December, Hadong, South Korea, experiences a distinct winter climate characterized by average temperatures hovering around 3°C (37°F). While daytime highs can reach a pleasant 16°C (61°F), the nights can plunge to a frosty -10°C (14°F), creating a striking contrast. The month sees a modest precipitation total of 22 mm (0.9 in), falling over approximately 3 days, which contributes to a humidity level of 73%. This blend of cool temperatures and occasional rainfall paints a picturesque winter scene, perfect for those seeking the serene beauty of the season.

December Temperature in Hadong

In Hadong, South Korea, December ushers in the chill of winter, with temperatures reflecting a transition from the milder autumn months. The average temperature hovers around 3°C (37°F), while nighttime lows can dip to a brisk -10°C (14°F), signaling the arrival of frosty nights. Although daytime highs can reach a comfortable 16°C (61°F), this month marks the start of a notable cooling trend, as weekly temperatures begin to decline further into the coldest months of the year. December sets the stage for the dramatic winter temperatures that follow in January and February, characterized by significantly lower averages and colder extremes. So, whether you're bundling up for a stroll or sipping hot beverages indoors, you'll feel the distinct shift in Hadong’s climate as the year closes out.

December Weather in Hadong: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hadong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hadong, December typically has an average temperature of 3°C (37°F), with highs reaching up to 16°C (61°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748566571788071615037
Data source: Temperature data for Hadong 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 Hadong

In Hadong, South Korea, December marks the transition to a drier season, with precipitation amounts significantly tapering off to just 22 mm (0.9 in), the lowest of the year. This decline is echoed in the number of precipitation days, which remains at a modest 3 days, matching November's pattern. After the abundant rains of the summer months, when July alone can deliver 302 mm (11.9 in), December's weather offers a refreshing contrast, hinting at the cold, dry winter ahead. As the year closes, Hadong experiences a clear reduction in both the frequency and intensity of rainfall, underscoring the shifting climatic rhythms of this charming locale.

December Precipitation Trends in Hadong

The chart displays monthly precipitation patterns in Hadong, 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 Hadong, December typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec313789951341913022362561173022
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hadong

In December, Hadong's humidity registers at a moderate 73%, maintaining a trend of elevated moisture levels typical for the winter months. As the year progresses, humidity levels fluctuate, peaking in the summer at a sweltering 95% in July and 93% in August, before gradually declining throughout the fall. The late spring and early summer months show particularly high humidity, with May and June averaging 83% and 87%, respectively. Following these peaks, December's levels suggest a slight easing, standing above January's 72%, as the region prepares for the colder months while still retaining the remnants of the year's humidity patterns. This consistent humidity plays a crucial role in shaping Hadong's unique climate and seasonal character.

December Average Humidity in Hadong

This chart illustrates the average monthly humidity levels in Hadong, 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 Hadong is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%67%65%75%83%87%95%93%80%77%75%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hadong

In December, Hadong, South Korea experiences a moderate UV Index of 3, with a burn time of approximately 30 minutes. This marks a decline from the high levels seen during the summer months, peaking at 12 in both July and August. As the year winds down, the UV exposure is significantly lower compared to the heights of April and May, both rated 10 for very high levels, and the extreme indices recorded in June. This trend suggests a seasonal shift towards safer sun exposure, making December a more manageable month for those looking to enjoy outdoor activities. For detailed information on UV levels throughout the year, check out Hadong UV Index.

Maximum UV Index Levels in Hadong for December

The chart shows the monthly maximum UV Index (UVI) for Hadong 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 Hadong typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Hadong 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 Hadong

In Hadong, South Korea, December greets residents with a modest 236 hours of sunshine, marking a soft decline from the vibrant light of previous months. Following the peak of 296 hours in May, the sunshine hours gradually taper off, reflecting a natural seasonal transition. Interestingly, while December's sun isn't as bright as the summer months, it holds its own against the consistently cloudy November, which offered only 237 hours. The trend in Hadong reveals a beautiful cadence of brightness throughout the year, with each month showcasing its unique charm, culminating in a tranquil December that invites cozy gatherings and moments of reflection amidst the gentle embrace of winter.

Monthly Sunshine Duration in Hadong: December Highlighted

The December sunshine duration represents the total number of hours Hadong 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h237h270h274h296h288h247h276h237h260h237h236h
Data source: Hadong December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hadong During December

In Hadong, South Korea, December showcases a notable increase in sunny weather, with a 69% chance of sunshine, making it one of the brightest months of the year. This upward trend is particularly striking when compared to the preceding months; November offers a comfortable 64% chance of sun, but December edges out with even more favorable conditions. As the year draws to a close, this shift towards sunnier days is a delightful contrast to the summer months, where the chances of sun plummet to as low as 16% in July. Hence, those visiting Hadong in December can look forward to clearer skies and a picturesque winter landscape, perfect for outdoor activities and enjoying the serene beauty of the season.

Percentage of Sunny Days in December in Hadong

The chart illustrates the percentage of sunny days in Hadong 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 Hadong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%50%37%41%39%29%17%27%29%55%64%69%
Data source: Hadong December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hadong in December

In Hadong, South Korea, the daylight duration exhibits a clear seasonal trend throughout the year. Starting with approximately 10 hours of daylight in January and February, the days gradually lengthen, peaking at 14 hours in May, June, and July. As summer wanes, daylight begins to shorten, with a gentle decline back to 13 hours in August and tapering off to 12 hours in September. By the time December arrives, daylight dwindles to 9 hours, marking the shortest days of the year. This rhythmic pattern highlights the transition from the vibrant energy of summer to the contemplative stillness of winter, creating a beautiful cycle that shapes the local lifestyle and ambiance.

Average Daylight Hours in Hadong for December

The chart illustrates the variation in daylight duration in Hadong throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m14h14h 27m14h 13m13h 25m12h 22m11h 16m10h 19m9h 49m
Data source: Hadong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Hadong

As December settles over Hadong, South Korea, the gentle whispers of the wind carry a consistent rhythm, with average wind speeds clocking in at 2.6 m/s (6 mph), mirroring the calmer breezes of January and March. This month stands as a bridge between the lively, slightly stronger winds of early summer and the tranquil gales of late autumn. Interestingly, while other months like February and September see marginally higher speeds, December's steady winds maintain a cozy familiarity, inviting locals and visitors alike to embrace the cool, crisp air. This enduring calmness sets a serene backdrop for the holiday season, where the rustling leaves and soft gusts create a picturesque winter atmosphere in this charming region.

Average December Wind Speed in Hadong

The chart displays monthly wind speed patterns in Hadong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.02.62.82.72.02.32.12.82.22.52.6 m/s
Data source: Hadong December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Hadong Compares to Other Months

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

In December, temperatures in Hadong typically range from a brisk -10°C (14°F) at their lowest to a mild 16°C (61°F) at their peak, with an average around 3°C (37°F). The month sees about 22 mm (0.9 in) of precipitation over three days, paired with a humidity level of 73%. In contrast, January experiences slightly colder conditions, with minimum temperatures dropping to -13°C (9°F) and an average of 1°C (34°F). The highs in January reach up to 15°C (58°F), and precipitation increases to 31 mm (1.2 in) over the same three days, while humidity remains fairly stable at 72%. For a more detailed overview, you can check Hadong weather in January.

In December, the weather showcases a notable range in temperatures, with a minimum of -10°C (14°F) and a maximum reaching 16°C (61°F). The average temperature hovers around 3°C (37°F), accompanied by a moderate level of humidity at 73%. Precipitation is relatively low, totaling 22 mm (0.9 in) over just 3 days.

In contrast, February experiences slightly colder minimum temperatures at -12°C (11°F) but can peak higher, with a maximum of 21°C (70°F). The average temperature remains comparable at 3°C (38°F), while humidity dips to 67%. Precipitation increases to 37 mm (1.4 in) across 4 days, making February a wetter month than December. For more details on the February climate in Hadong, check out Hadong weather in February.

When comparing the weather in December and March, notable differences emerge. In December, temperatures can drop to a chilly minimum of -10°C (14°F), with an average of 3°C (37°F) and a maximum of 16°C (61°F). This month sees relatively low precipitation, totaling 22 mm (0.9 in) over about 3 days, contrasting with the more variable weather in March, where temperatures range from a minimum of -2°C (29°F) to a warm maximum of 23°C (75°F) and an average of 9°C (48°F). March is significantly wetter, receiving 89 mm (3.5 in) of rain over approximately 6 days, accompanied by lower humidity at 65% compared to December's 73%. For more detailed insights into the weather patterns during this month, check out Hadong weather in March.

When comparing the weather in December and April, it is clear that they offer contrasting experiences. December features colder temperatures, with a minimum of -10°C (14°F) and an average of only 3°C (37°F), while April sees a much milder range, starting from a minimum of 1°C (34°F) and reaching an average of 14°C (57°F). Additionally, April typically exhibits more precipitation, averaging 95 mm (3.7 in) over 7 days compared to December's lighter 22 mm (0.9 in) over just 3 days. Despite the increased rainfall in April, the humidity remains relatively similar, with December at 73% and April slightly higher at 75%. For more details on April weather, you can visit Hadong weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures can dip as low as -10°C (14°F), with an average of 3°C (37°F) and a maximum reaching 16°C (61°F). The month sees relatively low precipitation, averaging only 22 mm (0.9 in) over three days, accompanied by a humidity level of 73%. In contrast, May offers significantly warmer temperatures, with a minimum of 7°C (45°F), an average of 18°C (65°F), and highs soaring up to 32°C (89°F). It is also much wetter, with precipitation measuring 134 mm (5.3 in) over eight days and higher humidity at 83%. For more detailed information, you can check Hadong weather in May.

When comparing December and June weather, the contrasts are quite pronounced. December typically experiences cooler temperatures, with a minimum of -10°C (14°F) and an average of 3°C (37°F), peaking at 16°C (61°F). In contrast, June boasts much warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 31°C (88°F) and an average of 22°C (72°F). Precipitation also differs significantly; December sees only 22 mm (0.9 in) over 3 days, whereas June is much wetter, receiving 191 mm (7.5 in) across 10 days. Additionally, the humidity in June is higher at 87%, compared to December's 73%. For more details on June weather specifics, you can check Hadong weather in June.

In December, the weather is characterized by cold temperatures, with a minimum of -10°C (14°F) and an average of 3°C (37°F), peaking at a maximum of 16°C (61°F). Precipitation is relatively low, with just 22 mm (0.9 in) over an average of 3 days, and humidity levels are around 73%. In stark contrast, July brings a much warmer climate, with minimum temperatures starting at 18°C (65°F) and averaging 25°C (78°F), reaching highs of up to 35°C (95°F). However, July is also the wettest month, experiencing 302 mm (11.9 in) of rainfall across 16 days and high humidity levels at 95%. For more details about the weather in July, you can visit Hadong weather in July.

When comparing December and August weather, the contrast is striking. December features much cooler temperatures, with averages around 3°C (37°F) and a minimum of -10°C (14°F), while August boasts warm temperatures averaging 27°C (80°F) and peaking at 35°C (95°F). Precipitation patterns also differ significantly, as December sees just 22 mm (0.9 in) over three days, compared to August's substantial 236 mm (9.3 in) across 17 days, highlighting the latter's wetter climate. Additionally, humidity levels are higher in August at 93% compared to December's 73%. For more specifics on the August climate, you can visit Hadong weather in August.

When comparing the weather in December and September, the differences are striking. December features much cooler temperatures, with a minimum of -10°C (14°F) and an average of 3°C (37°F), which contrasts sharply with September's warmer climate, where temperatures range from a minimum of 12°C (54°F) to a maximum of 31°C (87°F). Additionally, September experiences significantly higher precipitation, totaling 256 mm (10.1 in) over 13 days compared to December's 22 mm (0.9 in) over just 3 days. Humidity levels are somewhat similar, but September's humidity is slightly higher at 80%, compared to December's 73%. For a more detailed look at the September weather, you can visit Hadong weather in September.

December weather exhibits a significant drop in temperatures compared to October, with December's average temperature at 3°C (37°F) while October enjoys a much warmer average of 16°C (62°F). The minimum temperatures in December can plummet to -10°C (14°F), contrasting sharply with the mildest October low of 4°C (39°F). Additionally, October is much wetter, with 117 mm (4.6 in) of precipitation over 6 days, while December experiences only 22 mm (0.9 in) over 3 days. Humidity levels are relatively similar, with December at 73% and October at 77%. For a closer look at October's weather, visit Hadong weather in October.

In comparing the weather conditions between December and November, December tends to be colder with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 16°C (61°F), while November boasts milder temperatures, with a minimum of -2°C (29°F) and a maximum of 23°C (74°F). Both months see similar levels of precipitation, with December receiving 22 mm (0.9 in) and November slightly higher at 30 mm (1.2 in), though both have precipitation on three days. Humidity levels are also comparable, with December at 73% and November at 75%. For more detailed insights, you can check Hadong weather in November.

Compare Hadong's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Hadong

As December settles in Hadong, the weather takes on a crisp, wintry charm that contrasts sharply with the mild temperatures of previous months. The chill is palpable, with temperatures often dipping toward freezing, making it a time for warm coats and cozy fires. While precipitation is minimal, with only a few days of light rain, the increased humidity adds a notable bite to the air. December's unique ambiance invites both locals and visitors to embrace the season's festivities, showcasing a side of Hadong that beautifully intertwines the warmth of community spirit with the chill of winter. For a deeper dive into Hadong's climate throughout the year, check out Hadong Climate.