December Weather in Penghu, China

Last updated: August 21, 2025

December in Penghu, China offers a unique blend of mild temperatures and increased humidity. During this month, daily maximums can reach a pleasant 27°C (81°F), while the average temperature hovers around 12°C (54°F), creating a comfortable atmosphere for outdoor exploration. However, the mercury can dip as low as -1°C (31°F) at night, showcasing the island's diversity in weather. With 25 mm (1.0 in) of rain spread over 5 days, December marks a relatively dry period, ideal for visitors to enjoy the natural beauty of Penghu. The air is infused with 79% humidity, enhancing the island's vibrant landscape while reminding residents and travelers alike that winter is indeed in the air.

December Temperature in Penghu

In December, temperatures in Penghu, China begin to reveal the cool embrace of winter, with minimums dipping to -1°C (31°F), marking a notable shift from the milder months preceding it. The average temperature rests at a comfortable 12°C (54°F), offering a crisp but manageable chill, while daytime highs still reach up to 27°C (81°F), reflecting the lingering warmth of autumn. This trend showcases a transition from the warmth of late fall to the cooler winter climate, yet the region maintains a pleasant balance, allowing for enjoyable outdoor activities even in the cooler nights. As temperatures fluctuate, December is a delightful month that encapsulates the dynamic seasonal changes of Penghu, making it an appealing time for visitors to experience the charm of this vibrant archipelago.

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

The chart illustrates December temperature patterns in Penghu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penghu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec525359657276807977696254
Data source: Temperature data for Penghu 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 Penghu

December in Penghu, China, marks a notable shift in precipitation patterns as the year concludes. With only 25 mm (1.0 in) of rain over approximately 5 days, this month sees the least rainfall compared to others, indicating a significant drop after the wetter summer months, particularly June's peak of 295 mm (11.6 in). This overall decrease in December rainfall not only reflects the typically drier winter climate but also highlights the island’s distinct seasonal contrasts, where December's sparse precipitation creates a serene atmosphere, making it a tranquil time for residents and visitors alike.

December Precipitation Trends in Penghu

The chart displays monthly precipitation patterns in Penghu, 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 Penghu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3366134106229295159282114434725
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Penghu

In Penghu, China, December brings a humidity level of 79%, marking a slight dip from November's 77%. Throughout the year, humidity levels display a fascinating trend, with a gradual increase from 73% in January and February, peaking at 85% in May. After reaching this apex, the humidity stabilizes in the warmer months, averaging around 81% to 84% through July and August. As the year winds down, September sees a refreshing drop to 70%, before rising again. December's 79% reflects a comfortable balance, inviting residents and visitors alike to enjoy the unique charm of this island during the cooler, yet still humid, winter months.

December Average Humidity in Penghu

This chart illustrates the average monthly humidity levels in Penghu, 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 Penghu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%81%85%81%84%83%70%73%77%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Penghu

In December, the UV Index in Penghu, China, drops to 7, categorized as high, with a burn time of 25 minutes. This is a noticeable decrease from the peak months, where the index reached as high as 13 during the summer, which is deemed extreme with a burn time of just 10 minutes. The trend reveals a shift from the intense sun exposure in the earlier months, especially between March and August, to a more moderate level as the year winds down. This makes December an excellent time for outdoor activities while still being mindful of sun protection. For more detailed information about the UV Index throughout the year, visit Penghu UV Index.

Maximum UV Index Levels in Penghu for December

The chart shows the monthly maximum UV Index (UVI) for Penghu 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 Penghu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131313121087
Data source: Penghu 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 Penghu

In December, Penghu, China, is graced with 233 hours of sunlight, making it a delightful time to bask in the mellow warmth of late-year rays. As the year approaches its close, sunlight hours have gradually tapered from the peak of 306 hours in July and 296 hours in August, highlighting a natural progression towards shorter days. Yet, December maintains a generous offering of sunshine amidst the drop in temperatures, continuing the trend of relatively abundant daylight throughout the fall months. With a steady increase from January’s 194 hours to this month's figure, it's clear that as winter sets in, the charm of Penghu's sunshine still shines bright, inviting visitors to revel in its warm embrace.

Monthly Sunshine Duration in Penghu: December Highlighted

The December sunshine duration represents the total number of hours Penghu 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h214h244h253h277h226h306h296h279h248h228h233h
Data source: Penghu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Penghu During December

December in Penghu, China, offers a moderate chance of sunny weather with a 48% likelihood of sunshine, making it a delightful end to the year. While the sunny spells dip significantly from the heights of January's 68% to the lows of summer, this month finds a sweet spot just below half. Interestingly, it reflects a slight recovery from the cloudy November, which boasted a 40% chance. This trend shows that as the year closes, Penghu experiences a small resurgence in sunny days, creating a pleasant backdrop for holiday festivities and serene winter landscapes. So, if you’re planning a visit in December, you can expect a mix of sunshine and clouds—perfect for outdoor adventures or cozy indoor retreats!

Percentage of Sunny Days in December in Penghu

The chart illustrates the percentage of sunny days in Penghu 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 Penghu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%53%31%29%12%4%24%14%47%24%40%48%
Data source: Penghu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Penghu in December

In Penghu, China, the daylight duration exhibits distinct seasonal trends throughout the year. January and December, each offering approximately 10 hours of sunlight, mark the shorter days, while February sees a gradual increase to 11 hours as winter wanes. The spring months of March and April extend daylight further to 12 hours, showcasing nature’s awakening. As we transition into summer, May, June, and July bask in the peak of daylight with 13 hours, perfect for outdoor activities and beach fun. However, as August rolls in, daylight begins to decrease again to 12 hours, followed by a gentle decline through September and October, ultimately returning to 10 hours in November. This cyclical rhythm of light not only paints the picturesque sky of Penghu but also influences the vibrant lifestyle of its residents.

Average Daylight Hours in Penghu for December

The chart illustrates the variation in daylight duration in Penghu throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 44m11h 17m12h12h 45m13h 22m13h 40m13h 31m12h 58m12h 16m11h 32m10h 53m10h 34m
Data source: Penghu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Penghu

As December settles in Penghu, the winds carry a familiar rhythm, reaching an average speed of 1.8 m/s (4 mph). This slight increase mirrors the gentle rise in wind speed observed in the preceding months, offering a comforting consistency as the year comes to a close. While January through March see a gradual decline in wind activity, the onset of October brings a refreshing uptick, peaking again in both November and December. This seasonal ebb and flow creates a serene atmosphere, perfect for those looking to embrace the tranquil beauty of the island's winter landscapes. Each breeze whispers stories of change while maintaining a gentle embrace, reflecting the harmonious cycle of nature in this charming region of China.

Average December Wind Speed in Penghu

The chart displays monthly wind speed patterns in Penghu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.51.31.61.41.71.41.22.01.81.8 m/s
Data source: Penghu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Penghu Compares to Other Months

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

In December, temperatures range from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F). The month typically sees around 25 mm (1.0 in) of precipitation over five days, with humidity levels at a relatively high 79%. In contrast, January experiences slightly cooler conditions, with temperatures dipping to a minimum of -3°C (27°F) and averaging 11°C (53°F), while still reaching up to 27°C (81°F) during the warmest part of the day. Precipitation increases to 33 mm (1.3 in) over the same number of wet days, but humidity drops to 73%. For a more detailed look at January weather in this region, check out Penghu weather in January.

In December, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), with an average of 12°C (54°F). The month sees relatively light precipitation, totaling 25 mm (1.0 in) over about 5 days, and the humidity remains high at 79%. In contrast, February tends to be slightly colder, with a minimum of -4°C (26°F) while maintaining the same maximum of 27°C (81°F) and average temperature of 12°C (53°F). However, February experiences increased rainfall, accumulating 66 mm (2.6 in) across approximately 8 days, and slightly lower humidity at 73%. For more detailed insights on February weather, you can check Penghu weather in February.

In December, temperatures in Penghu range from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F). The month sees relatively low precipitation, totaling 25 mm (1.0 in) over approximately five days, and humidity levels hover around 79%. In contrast, March experiences milder temperatures, with a minimum of 0°C (33°F) and a maximum of 30°C (86°F), averaging 15°C (60°F). However, it is notably wetter, receiving 134 mm (5.3 in) of precipitation over about 15 days, and humidity slightly increases to 80%. For more information on March weather specifics, you can visit Penghu weather in March.

December and April showcase distinct weather patterns, reflecting their positions in the seasonal calendar. In December, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 12°C (54°F), reaching a maximum of 27°C (81°F). The month experiences relatively low precipitation at 25 mm (1.0 in) over just 5 days, with a humidity level of 79%. In contrast, April brings milder temperatures with a minimum of 4°C (39°F) and an average of 18°C (65°F), peaking at a warm 32°C (89°F). The precipitation rises significantly to 106 mm (4.2 in), spread across 14 days, and the humidity slightly increases to 81%. For more information, you can check Penghu weather in April.

December and May present distinctly different weather patterns. In December, temperatures range from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), with a relatively low average of 12°C (54°F). The month sees only about 25 mm (1.0 in) of precipitation spread over 5 days, and the humidity sits at a comfortable 79%. In contrast, May is considerably warmer, with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F), resulting in an average temperature of 22°C (72°F). However, May is also marked by significantly higher rainfall, receiving 229 mm (9.0 in) over 21 days, and slightly elevated humidity at 85%. For more insights into May weather, you can visit Penghu weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable average of 12°C (54°F), peaking at 27°C (81°F). The month is relatively dry, with only 25 mm (1.0 in) of precipitation over approximately five days and humidity at 79%. In stark contrast, June experiences a warmer climate with a minimum of 16°C (62°F) and an average temperature of 25°C (77°F), soaring to a maximum of 35°C (95°F). However, June is much wetter, receiving 295 mm (11.6 in) of rain spread over 21 days, while humidity remains high at 81%. For more specific details, check Penghu weather in June.

December and July present stark contrasts in weather. In December, temperatures range from a cool minimum of -1°C (31°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F) and relatively low precipitation of 25 mm (1.0 in) over just five days. The humidity is moderately high at 79%. In contrast, July boasts warmer temperatures, with a minimum of 21°C (69°F) and a maximum of 35°C (96°F), averaging 26°C (80°F). This month is marked by substantial rainfall, totaling 159 mm (6.3 in) over 16 days, and slightly higher humidity at 84%. This shift illustrates the significant seasonal variations experienced, particularly in the coastal climate. For more details on July weather, visit Penghu weather in July.

The weather in December contrasts sharply with that of August, showcasing the seasonal shifts. In December, temperatures range from a chilly min of -1°C (31°F) to a comfortable max of 27°C (81°F), while August boasts much warmer conditions, with temperatures typically not dropping below 21°C (69°F) and peaking at 34°C (94°F). Precipitation also differs significantly; December experiences a modest 25 mm (1.0 in) over about 5 days, whereas August faces much heavier rainfall, totaling 282 mm (11.1 in) across approximately 21 days. Humidity levels remain fairly similar during both months, hovering around 79% in December and 82% in August. For a deeper understanding, you can explore more about Penghu weather in August.

When comparing the weather between December and September, there are notable differences in temperature and precipitation. December tends to be much cooler, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), while September boasts warmer averages, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 38°C (100°F). Additionally, December sees relatively low precipitation at 25 mm (1.0 in) over just 5 days, whereas September experiences a significant amount of rain, accumulating 114 mm (4.5 in) over 14 days. Humidity levels are also higher in December at 79% compared to September's 70%. For more detailed information on September's weather, you can check out Penghu weather in September.

When comparing the weather in December and October, December tends to be cooler with a minimum temperature plunging to -1°C (31°F), while October boasts milder temperatures with a minimum of 9°C (49°F). The average temperature in December is 12°C (54°F), significantly lower than October's average of 21°C (69°F), which can reach a maximum of 34°C (94°F). Additionally, October experiences heavier rainfall, with a total of 43 mm (1.7 in) over 7 days compared to December's 25 mm (1.0 in) over just 5 days. Humidity levels are slightly higher in December at 79%, compared to October's 73%. For more details on the weather patterns in October, you can visit Penghu weather in October.

In comparison to November, December experiences a drop in minimum temperatures, with lows falling to -1°C (31°F) compared to November's 4°C (40°F). The average temperature in December is also cooler at 12°C (54°F), reflecting a significant shift from November’s average of 17°C (62°F). While both months see similar maximum temperatures, with December reaching 27°C (81°F) and November up to 28°C (84°F), December is marked by lower precipitation levels at 25 mm (1.0 in) over 5 days, compared to November’s 47 mm (1.9 in) across 7 days. Humidity is slightly higher in December at 79%, just above November's 77%. For more detailed information about November weather conditions, check Penghu weather in November.

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Conclusion: What to Expect From December Weather in Penghu

As December settles in, Penghu experiences a notable transition in weather, setting it apart from the milder months of autumn. The temperatures take a dip, with cooler averages that dip as low as -1°C, contrasting sharply with the warmer summer days. Precipitation also becomes more frequent, with December seeing around five rainy days, contributing to a humidity level of 79%. This time of year invites a unique blend of cool breezes and occasional showers, making it an ideal moment for those seeking a refreshing escape. For a deeper understanding of what to expect throughout the year, explore Penghu Climate.