December Weather in La Union, Philippines

Last updated: August 27, 2025

In December, La Union, Philippines, experiences a tropical transformation characterized by warm temperatures and significant rainfall. With a maximum temperature reaching around 29°C (85°F) and an average of 27°C (81°F), the month offers a comfortable yet humid climate, with minimum temperatures hovering at 25°C (78°F). While residents and visitors enjoy the warmth, they should prepare for the frequent rain, totaling 155 mm (6.1 in) across approximately 23 days, leading to a high humidity level of 87%. This unique blend of warmth and moisture creates a vibrant atmosphere, perfect for those looking to experience the lush beauty of La Union during the holiday season.

December Temperature in La Union

In December, La Union, Philippines, experiences a delightful close to the year with temperatures that reflect its tropical charm. The month sees a minimum temperature of 25°C (78°F), maintaining a steady warmth reminiscent of the preceding months. With an average of 27°C (81°F) and reaching a comfortable maximum of 29°C (85°F), December embodies a consistent warmth that invites both relaxation and exploration. This continuity in temperature from November to December highlights the region's mild climate throughout the dry season, making it an ideal time for beach outings and festive celebrations. As the year wraps up, the weather beckons both locals and visitors to savor the sun-soaked days that La Union is known for.

December Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980818181818181818181
Data source: Temperature data for La Union 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 La Union

In December, La Union, Philippines, experiences a notable shift in precipitation patterns as it wraps up the year. With an average of 155 mm (6.1 in) of rainfall distributed over 23 days, the month marks a significant decrease compared to the deluges of the preceding summer months. This seasonal trend reflects a transition away from the heavier rains of May and June, characterized by 223 mm and 194 mm respectively. While still relatively wet, December's rainfall is relatively moderate, providing a refreshing end to the year without completely overshadowing the festive atmosphere. The consistency in rainy days hints at a steady, gentle embrace from the sky, making it a month where the lush landscapes can thrive under a balanced touch of moisture. This blend of rainfall and dry spells positions December as a transitional month in La Union's climatic tapestry, paving the way for the varied weather patterns of the coming year.

December Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec251141193112223194170144129149172155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in La Union

In La Union, Philippines, December ushers in a moderate humidity level of 87%, which is slightly higher than the preceding months from July to November, where humidity hovered around 82% to 83%. This marks a subtle increase considering the consistent trend of lingering high humidity levels throughout the year, especially in the early months, which peak in February at a notable 92%. Interestingly, despite the dip seen in April through June, December's humidity aligns closely with the levels observed in the cooler months of January and March. This suggests a dynamic seasonal shift, where the comforting warmth of the holiday season is accompanied by a rich, tropical humidity that characterizes the natural climate of this beautiful coastal region.

December Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%91%87%84%83%82%83%85%82%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Union

As December rolls into La Union, the UV Index dips to 11, still classified as extreme, meaning you should be cautious with sun exposure, as a burn can occur in just 10 minutes. This marks a slight decrease from the peak levels seen in earlier months, particularly March and April, which both reached a challenging 16. Throughout the year, La Union maintains a high UV Index, reinforcing the importance of sun protection. Whether you're soaking up the sun or enjoying the beach, always be mindful of the UV risks. For a detailed breakdown of UV levels throughout the year, visit La Union UV Index.

Maximum UV Index Levels in La Union for December

The chart shows the monthly maximum UV Index (UVI) for La Union 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 La Union typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161514131415141311
Data source: La Union 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 La Union

December in La Union, Philippines, shines brightly with an impressive 271 hours of sunshine, marking a delightful conclusion to the year. As the festive season approaches, visitors can expect a warm embrace from the sun, continuing a trend of abundant sunlight throughout the year. The month follows a consistent pattern, with daylight hours steadily varying from a low of 216 in January to a high of 299 in March, highlighting the region's overall sunny climate. December's sunshine is a reminder of the region's charm, as it retains a vibrant ambiance even as the year comes to a close. Travelers can look forward to enjoying beach days and outdoor adventures, benefiting from the pleasant sunny weather that La Union generously offers in December.

Monthly Sunshine Duration in La Union: December Highlighted

The December sunshine duration represents the total number of hours La Union 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.
JanFebMarAprMayJunJulAugSepOctNovDec216h270h299h298h293h279h278h293h275h273h267h271h
Data source: La Union December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Union During December

In December, La Union, Philippines, experiences an 18% chance of sunny weather, which aligns with the lower trend seen in the preceding months, such as November and October. This percentage reflects a slight consistency in cloudy days as the region transitions from the rainy season. Interestingly, December's likelihood of sunshine is similar to that of May, which hints at a pattern where early and late months in the year often see reduced sunlight. As the year wraps up, visitors can expect a mix of cool breezes and occasional sunshine, making it a charming time to experience the vibrant culture and scenic views of La Union, albeit with an umbrella handy just in case!

Percentage of Sunny Days in December in La Union

The chart illustrates the percentage of sunny days in La Union 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 La Union experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%24%28%24%12%27%26%27%16%18%18%18%
Data source: La Union December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Union in December

In La Union, Philippines, the daylight duration presents a distinct rhythm throughout the year. The first half of the year, from January to June, witnesses an increase in daylight, peaking at 12 hours in March and remaining consistent through the summer months of April to August. As the calendar shifts to the latter half, daylight gradually tapers off, dipping back to 11 hours in October and holding steady through December. This pattern highlights a predictable cycle, where longer days dominate the warmer months, while shorter daylight persists in the cooler season, creating a harmonious balance that enhances the region’s tropical charm.

Average Daylight Hours in La Union for December

The chart illustrates the variation in daylight duration in La Union throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 46m11h 53m12h 4m12h 15m12h 24m12h 29m12h 26m12h 18m12h 8m11h 57m11h 48m11h 44m
Data source: La Union daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in La Union

As December unfolds in La Union, the average wind speed experiences a notable increase, rising to 3.1 m/s (7 mph). This uptick marks a shift from the slightly calmer winds of November, which averaged only 2.2 m/s (5 mph). Observing the trends throughout the year, it's clear that December's breeziness sets the stage for a lively end to the year, in stark contrast to the gentle winds of the preceding months. Interestingly, the wind speed remains consistent with the strongest gust recorded in July at 3.3 m/s (7 mph), hinting at the climatic patterns that sweep through La Union. This refreshing December breeze not only invigorates the coastal atmosphere but also enhances the festive spirit that permeates the region as the year comes to a close.

Average December Wind Speed in La Union

The chart displays monthly wind speed patterns in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.22.62.72.42.33.32.42.42.62.23.1 m/s
Data source: La Union December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in La Union Compares to Other Months

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

In December, the weather features warm temperatures with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). However, it also brings significant rainfall, with 155 mm (6.1 in) of precipitation spread across 23 days and humidity levels hovering around 87%. In contrast, January experiences slightly cooler temperatures, ranging from a minimum of 25°C (77°F) to an average of 26°C (80°F) and a maximum of 28°C (83°F). The month is notably wetter, with a total precipitation of 251 mm (9.9 in) over 22 days, and humidity increases to 90%. For more details, you can check out La Union weather in January.

In December, temperatures in La Union typically range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 27°C (81°F). This month also experiences significant rainfall, with 155 mm (6.1 in) of precipitation spread over 23 days, contributing to a high humidity level of 87%.

In contrast, February sees slightly lower temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F), resulting in an average temperature of 26°C (80°F). Precipitation decreases to 141 mm (5.5 in) over 19 days, while humidity rises to 92%. For more detailed insights into the weather conditions, you can visit La Union weather in February.

December and March exhibit similar warm temperatures, with December averaging 27°C (81°F) and March slightly cooler at an average of 26°C (80°F). However, March experiences a bit more rainfall, with 192 mm (7.6 in) compared to December's 155 mm (6.1 in), despite both months seeing precipitation on 23 days. Additionally, March has a higher humidity level at 90%, compared to December's 87%. For more detailed insights about March weather in La Union, you can check out La Union weather in March.

In December, the weather features warm temperatures with a minimum of 25°C (78°F) and an average of 27°C (81°F), while it can reach a maximum of 29°C (85°F). However, this month is characterized by higher precipitation, totaling 155 mm (6.1 in) over 23 days, resulting in a humid atmosphere with 87% humidity. In contrast, April mirrors these temperatures closely, maintaining a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Nevertheless, April experiences less rain, with a total of 112 mm (4.4 in) across 21 days, while still retaining the same level of humidity. For more specific insights on regional weather patterns, you can check La Union weather in April.

In December, the weather remains warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), similar to May. However, December experiences slightly higher humidity at 87% and 155 mm (6.1 in) of precipitation over 23 days, contributing to a more damp atmosphere. In contrast, May features similar temperature averages but sees increased rainfall of 223 mm (8.8 in) over 26 days, resulting in slightly lower humidity at 83%. For more details on May's weather patterns, you can visit La Union weather in May.

In comparing the weather of December and June, we find that both months share a similar temperature range, with minimums around 25°C (78°F), averages of 27°C (81°F), and maximums reaching 29°C (85°F). However, June tends to experience slightly more precipitation, totaling 194 mm (7.6 in) over 26 days, compared to December's 155 mm (6.1 in) across 23 days. Additionally, while December boasts high humidity at 87%, June's humidity is marginally lower at 83%. For more detailed insights about June weather, you can refer to La Union weather in June.

In comparing the weather of December and July, both months exhibit similar temperature ranges, with minimums around 25°C (78°F) and maximums reaching 29°C (85°F). However, December experiences slightly less rainfall, with 155 mm (6.1 in) over 23 days, compared to July's 170 mm (6.7 in) over 21 days. Additionally, December has a higher humidity level at 87%, while July's humidity is a bit lower at 82%. For a more detailed look at July weather, you can visit La Union weather in July.

In December, the weather features a slightly higher average temperature, maintaining a consistent warmth with minimums around 25°C (78°F) and maximums reaching 29°C (85°F). The humidity is higher in December at 87%, accompanied by significant rainfall totaling 155 mm (6.1 in) over 23 days. In contrast, August presents similar temperature ranges, with averages also around 27°C (81°F) and maximums peaking at 29°C (84°F). However, August experiences lower humidity at 83% and slightly less precipitation, totaling 144 mm (5.7 in) over 21 days. For more detailed information, you can check La Union weather in August.

In comparing the weather between December and September, both months experience similar temperature profiles, with minimums at 25°C (78°F), averages around 27°C (81°F), and maximums peaking at 29°C (85°F). However, December sees slightly higher precipitation levels at 155 mm (6.1 in) over 23 days, compared to September's 129 mm (5.1 in) over 18 days. Additionally, December has a marginally higher humidity at 87%, while September sits at 85%. For a more detailed look at weather specifics in September, you can refer to La Union weather in September.

In comparison to October, December weather in La Union experiences a slight increase in humidity, rising from 82% to 87%. Both months see similar average temperatures, around 27°C (81°F), with December typically cooler at a maximum of 29°C (85°F) compared to October's 30°C (86°F). Additionally, December brings more precipitation, totaling 155 mm (6.1 in) over 23 days, whereas October has 149 mm (5.9 in) over 20 days. Overall, December tends to be wetter and more humid than October. For more details, you can check La Union weather in October.

In comparing the weather conditions between November and December, both months experience similar temperature ranges, with minimums of 25°C (78°F) and maximums reaching 29°C (85°F). However, December sees slightly lower precipitation levels at 155 mm (6.1 in) compared to November's 172 mm (6.8 in), despite both months experiencing rainfall on 23 days. Additionally, December has a higher humidity level at 87%, compared to November's 83%. For a more detailed look at November's weather, you can refer to La Union weather in November.

Compare La Union's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in La Union

As December arrives in La Union, the weather takes on a notably distinct character compared to other months. The temperatures remain comfortably warm, with averages hovering around 27°C (81°F), but the increase in humidity to an impressive 87% can make the air feel quite muggy. This month is marked by frequent rainfall, with precipitation occurring on 23 days, contributing to a total of 155 mm (6.1 in) of rain. Visitors should prepare for a wetter experience during this period, as the tropical climate shifts, making December ideal for those who appreciate lush landscapes and vibrant greenery. For a deeper understanding of the climate patterns, explore La Union Climate.