December Weather in Guiuan, Philippines

Last updated: August 27, 2025

December in Guiuan, Philippines, showcases a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches up to 29°C (84°F), while the average hovers around 27°C (81°F), providing a comfortable ambiance for visitors. However, it’s advisable to prepare for rain, as the area experiences a substantial 523 mm (20.6 in) of rainfall over 29 days, making it one of the wettest months. The humidity level sits at a notable 86%, adding to the tropical feel. This mix of warm weather and frequent precipitation creates a lush and vibrant atmosphere, perfect for those looking to experience the beauty of the Philippines’ landscapes.

December Temperature in Guiuan

In December, Guiuan, Philippines, experiences a slight dip in temperatures as the year comes to a close. The average temperature hovers around 27°C (81°F), with nighttime lows of 24°C (76°F) and daytime highs reaching up to 29°C (84°F). This month mirrors the cooler trends observed in November, where temperatures begin to stabilize, hinting at the start of the dry season. Overall, December's climate is pleasantly warm, offering a comfortable backdrop for holiday festivities and outdoor adventures, making it an appealing time to visit this beautiful coastal town.

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

The chart illustrates December temperature patterns in Guiuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guiuan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980818282828282818180
Data source: Temperature data for Guiuan 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 Guiuan

In Guiuan, Philippines, December marks a significant peak in precipitation, with an impressive 523 mm (20.6 in) of rain, making it the wettest month of the year. This surge in rainfall is reflected by an increased number of precipitation days, totaling 29 within the month. Notably, December's rainfall is nearly 50% higher than that of the preceding month, November, which received 349 mm (13.8 in). The trend of increasing precipitation through the end of the year suggests a transition into the monsoon season, characterizing Guiuan's climate. As locals brace for the downpours, December serves as a poignant reminder of the island's vibrant, albeit wet, tropical environment.

December Precipitation Trends in Guiuan

The chart displays monthly precipitation patterns in Guiuan, 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 Guiuan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec370243175139192253255177194323349523
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guiuan

In Guiuan, Philippines, December brings a notable resurgence in humidity, reaching 86%—a slight increase compared to the previous month of 82%. This trend highlights a seasonal pattern where humidity levels typically rise as the year draws to a close, often influenced by cooler temperatures and increased precipitation. Throughout the year, the region experiences relatively high humidity levels, with March and April peaking at 87%. However, the pattern in December demonstrates a trend of stability, suggesting an overall moist climate that characterizes Guiuan's tropical environment. As the year ends, residents and visitors alike can expect that refreshing coastal air to be accompanied by that distinctive humidity that defines this beautiful area.

December Average Humidity in Guiuan

This chart illustrates the average monthly humidity levels in Guiuan, 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 Guiuan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%87%87%82%79%80%80%83%79%82%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guiuan

In Guiuan, Philippines, the UV Index exhibits a consistent trend of extreme intensity throughout the year, with values predominantly ranging between 11 to 16. As December rolls in, the index slightly decreases to 11, yet it still falls into the extreme exposure category, highlighting the urgent need for sun protection. Interestingly, all months maintain a burn time of just 10 minutes, clearly underscoring the necessity for vigilance against UV radiation. Notably, peak values occur in March and April, where the UV Index reaches 16, urging residents and visitors alike to stay sun-smart and protected. For more detailed insights, visit Guiuan UV Index.

Maximum UV Index Levels in Guiuan for December

The chart shows the monthly maximum UV Index (UVI) for Guiuan 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 Guiuan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121316161414141414141211
Data source: Guiuan 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 Guiuan

December in Guiuan, Philippines, sees a delightful 257 hours of sunshine, closing out the year with a warm glow that reflects the region's inviting climate. As the year progresses, there's a noticeable trend of increasing sunlight hours, peaking in May at 326 hours, before gently tapering off towards the end of the year. Interestingly, December's sunshine holds steady in the latter part of the year, consistently offering more daylight than the earlier winter months, yet it still falls short compared to the sunny peaks of the preceding spring and summer. This gradual decline highlights Guiuan's sun-kissed charm as it transitions from a vibrant high to a more subdued warmth, captivating visitors with its enchanting winter sunshine.

Monthly Sunshine Duration in Guiuan: December Highlighted

The December sunshine duration represents the total number of hours Guiuan 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h263h310h309h326h290h289h284h280h274h265h257h
Data source: Guiuan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guiuan During December

In Guiuan, Philippines, the likelihood of sunny weather in December is relatively low, with only a 13% chance of sunshine. As the year progresses, we see a notable trend in sunny days, peaking in the warmer months of March and April at 34% and 36% respectively. However, as December arrives, the opportunity for clear skies diminishes, reflecting a significant drop from the preceding months. This pattern suggests that while residents may enjoy a few sunny breaks in December, the overall outlook tends to lean towards cloudier, wetter conditions, marking the transition into the cooler winds of the season.

Percentage of Sunny Days in December in Guiuan

The chart illustrates the percentage of sunny days in Guiuan 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 Guiuan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%28%35%36%24%22%14%15%15%10%22%13%
Data source: Guiuan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guiuan in December

In Guiuan, Philippines, the daylight duration follows a rhythmic pattern throughout the year, revealing a subtle yet captivating trend. As January and February greet the year with 11 hours of daylight, the days gradually start to lengthen in March, peaking at 12 hours from March through August. This extended brightness invites outdoor adventures and vibrant activities during the sun-kissed months of summer. As the year draws to a close, daylight gradually retreats back to 11 hours in both October and November, before settling into December with the same brief illumination. This cyclical dance between light and shadow not only marks the passage of time but also influences the cultural tapestry and daily life in Guiuan.

Average Daylight Hours in Guiuan for December

The chart illustrates the variation in daylight duration in Guiuan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 32m11h 45m12h 3m12h 21m12h 37m12h 44m12h 40m12h 27m12h 9m11h 51m11h 36m11h 28m
Data source: Guiuan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Guiuan

As December rolls into Guiuan, Philippines, the winds pick up, reaching an invigorating average speed of 8.3 m/s (19 mph). This marked increase is a refreshing change from the gentler breezes of the preceding months, where speeds dipped to a low of 3.4 m/s (8 mph) in June and August, creating a stark contrast to the cooler winds of winter. February claims the title of the second windiest month at 7.0 m/s (16 mph), but December's gusts deliver a spirited farewell to the year, beckoning locals and visitors alike to embrace the season's vibrant energy. Overall, this trend underscores Guiuan's transition into a lively December, preparing the region for the festivities while showcasing nature's powerful embrace.

Average December Wind Speed in Guiuan

The chart displays monthly wind speed patterns in Guiuan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.87.06.16.04.83.45.33.83.75.15.38.3 m/s
Data source: Guiuan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Guiuan Compares to Other Months

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

In December, the weather is slightly warmer with an average temperature of 27°C (81°F) and a maximum of 29°C (84°F), while January sees a decrease in the average temperature to 26°C (80°F) and a maximum of 28°C (83°F). The rainfall during December is significantly higher, with 523 mm (20.6 in) over 29 days, compared to January's 370 mm (14.6 in) over 24 days. Both months experience high humidity of 86%, but January typically offers slightly drier conditions. For a detailed look at January weather in Guiuan, you can visit Guiuan weather in January.

December and February present contrasting weather patterns, particularly in terms of precipitation and temperature. While December boasts slightly higher temperatures, with averages around 27°C (81°F) and a maximum of 29°C (84°F), it also experiences significant rainfall, totaling 523 mm (20.6 in) over 29 days and maintaining high humidity at 86%. In contrast, February sees a marginal drop in average temperature to 26°C (79°F) and a maximum of 28°C (83°F), but the total precipitation decreases significantly to 242 mm (9.5 in) spread over 22 days. The humidity remains relatively stable at 85%. For more detailed information, you can check Guiuan weather in February.

In December, the weather is characterized by consistently warm temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, this month also sees significant rainfall, accumulating 523 mm (20.6 in) over 29 days, resulting in a high humidity level of 86%.

In contrast, March experiences similar temperatures, with a minimum of 25°C (76°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). However, the precipitation drops substantially to 175 mm (6.9 in) over 23 days, leading to slightly lower humidity at 87%. For more detailed insights into March weather, check out Guiuan weather in March.

In comparing the weather between December and April, both months exhibit similar temperature ranges, with minimums around 24-25°C (76-77°F), averages of 27°C (81°F), and maximums peaking at 29°C (84°F). However, December experiences significantly higher rainfall, with 523 mm (20.6 in) spread over 29 days, while April sees a much lighter precipitation total of 139 mm (5.5 in) across 21 days. Humidity levels are quite comparable, with December at 86% and April slightly higher at 87%. Overall, April tends to be drier and just as warm, making it a more favorable month for outdoor activities. For more insights on the weather specifics in April, visit Guiuan weather in April.

In December, the weather is characterized by slightly cooler temperatures, with averages around 27°C (81°F) and maximum highs reaching 29°C (84°F). However, this month experiences significant rainfall, with 523 mm (20.6 in) of precipitation spread over 29 days, resulting in a high humidity level of 86%. In contrast, May sees similar high temperatures, but with an average of 28°C (82°F) and a slightly higher minimum of 25°C (78°F). The precipitation drops considerably to 192 mm (7.5 in) over 27 days, leading to a lower humidity of 82%. For more detailed insights, visit Guiuan weather in May.

In December, the weather is characterized by slightly cooler temperatures, with average highs around 27°C (81°F) and lows of 24°C (76°F). This month also experiences significantly higher precipitation, totaling 523 mm (20.6 in) over 29 days, along with humidity levels averaging 86%. In contrast, June offers slightly warmer temperatures, with average highs reaching 28°C (82°F) and lows of 25°C (78°F), while precipitation decreases to 253 mm (10.0 in) across 26 days, and humidity is lower at 79%. For a closer look at the June climate, you can visit Guiuan weather in June.

In December, the weather is characterized by slightly cooler temperatures with a minimum of 24°C (76°F) and an average of 27°C (81°F), reaching a maximum of 29°C (84°F). The month is marked by higher precipitation, totaling 523 mm (20.6 in) over 29 days, and a humidity level of 86%, creating a humid atmosphere. In contrast, July experiences a minimum temperature of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (87°F). With 255 mm (10.0 in) of rainfall over 25 days and a humidity level of 80%, July is slightly drier and less humid than December. For more detailed information, you can visit Guiuan weather in July.

In comparing the weather between December and August, December features slightly cooler temperatures, with an average of 27°C (81°F), while August has a marginally higher average of 28°C (83°F). Both months experience warm conditions, with maximum temperatures reaching 29°C (84°F) in December and peaking at 30°C (87°F) in August. However, December sees significantly more rainfall, with 523 mm (20.6 in) over 29 days, compared to August's 177 mm (7.0 in) across 22 days. Additionally, December has higher humidity levels at 86%, compared to August's 80%. For more detailed weather conditions in August, you can refer to Guiuan weather in August.

In comparing the weather between December and September, December tends to be slightly cooler, with average temperatures ranging from 24°C (76°F) to 29°C (84°F), while September sees a slightly higher temperature range of 25°C (78°F) to 30°C (87°F). However, December is significantly wetter, receiving about 523 mm (20.6 in) of rain over 29 days, in contrast to September’s more moderate 194 mm (7.6 in) spread over 22 days. Humidity levels are also higher in December at 86%, compared to September’s 83%. For a more detailed look at the specific weather patterns during September, you can visit Guiuan weather in September.

In comparing the weather of December and October, December tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 29°C (84°F), compared to October's temperatures which vary from a minimum of 25°C (78°F) to a maximum of 30°C (86°F). Additionally, December experiences significantly higher precipitation, with 523 mm (20.6 in) over 29 days, while October has only 323 mm (12.7 in) over 27 days. The humidity levels are also higher in December, averaging 86%, compared to October's 79%. For further information on October weather specifics, you can visit Guiuan weather in October.

In December, temperatures remain similar to November, with both months featuring a minimum of 24°C (76°F) and an average of 27°C (81°F). However, December experiences slightly cooler peak temperatures, reaching a maximum of 29°C (84°F), compared to November's higher maximum of 30°C (85°F). Precipitation significantly increases in December, with 523 mm (20.6 in) over 29 days, compared to 349 mm (13.8 in) over 28 days in November. This results in a higher humidity level in December at 86%, compared to 82% in November. For more detailed information about November weather, you can visit Guiuan weather in November.

Compare Guiuan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Guiuan

In December, Guiuan's weather stands out as a remarkably humid month, with nearly every day bringing precipitation, setting it apart from other months. With temperatures hovering around a warm 27°C (81°F) and an impressive rainfall of 523 mm (20.6 in) over 29 days, it creates a lush, vibrant landscape. This period marks a transition, where cooler breezes start to mingle with the warmth, offering visitors a unique blend of tropical charm. For those looking to explore more about what to expect throughout the year, check out Guiuan Climate.