Last updated: August 27, 2025
December in Bulacan, Philippines is characterized by a warm and humid climate, with maximum temperatures peaking at 35°C (95°F) and an average of 27°C (81°F). Nights offer a respite, cooling down to a minimum of 23°C (73°F). This month sees considerable rainfall, with 139 mm (5.5 in) of precipitation spread over 20 days, making it one of the wetter months of the year. The high humidity, averaging 87%, creates a muggy atmosphere, typical of the tropical climate, inviting residents and visitors alike to prepare for both the warmth and the rain.
In December, Bulacan, Philippines, experiences a delightful transition towards the cooler season, with temperatures reflecting a cozy climate perfect for the holidays. The month sees a minimum temperature of 23°C (73°F), maintaining an average of 27°C (81°F), and peaking at a pleasant 35°C (95°F). This slight dip from the warmer months feels refreshing, as December marks the end of a long stretch of consistent warmth, seen from April to November, where highs often reach into the mid-90s. While the evenings retain a comfortable warmth, the overall climate encourages outdoor festivities and gatherings, making it an inviting time for both locals and visitors to enjoy the vibrant culture of Bulacan amidst the cooler, festive air.
December in Bulacan, Philippines, sees a moderate precipitation total of 139 mm (5.5 in), accompanied by 20 rainy days. This marks a slight decline compared to the preceding months, with November recording higher precipitation at 149 mm. The onset of December signals a transition, as rainfall begins to taper off after the peak months of June and October, both exceeding 210 mm. Despite this decrease, December maintains a steady rhythm of rain, offering a contrast to the drier periods earlier in the year, particularly February and April, which exhibit significantly lower precipitation amounts. Overall, December rounds off the year with a blend of moisture, subtly hinting at the forthcoming dry season.
In Bulacan, Philippines, December brings a noticeable change in humidity, settling at a comfortable 87%. This marks a slight increase from the drier months of October and November, where humidity hovered around 82% and 83%, respectively. Observing the year, it’s clear that the humidity consistently remains high, particularly in the early months, peaking at a striking 92% in February. The late months, however, such as December, show a gradual decline from the peak of summer humidity, offering a welcome respite as the region transitions into the cooler season. This data highlights a steady rhythm in Bulacan's climate, where humidity plays a crucial role in shaping the local weather experience throughout the year.
As December rolls around in Bulacan, Philippines, the UV Index slightly dips to 12, marking a shift from the peak levels observed in the earlier months such as March and April, which saw values of 16. Despite this decrease, the UV exposure category remains extreme, emphasizing the importance of sun protection, as the burn time is still only 10 minutes. This trend illustrates a subtle decline in UV intensity towards the end of the year while maintaining a vigilant approach to sun safety. For more details on the UV Index throughout the year, visit Bulacan UV Index.
UV Risk Categories
As December rolls in, Bulacan, Philippines, continues to bask in a generous 277 hours of sunshine, a fitting end to a year filled with radiant days. The climatic trend shows a gradual drop in sunshine hours from the peak of 302 hours in March, with April and May closely following. Interestingly, while December may see fewer hours compared to the sun-drenched heights of early spring, it still maintains a warm glow, reflecting the region's admirable climatic consistency. Compared to the preceding months, December's sunshine offers a gentle reminder of the sunny respite that the Philippines is known for, linking to the comforting patterns of the year prior as daylight begins its subtle march towards longer hours once more.
In Bulacan, Philippines, December marks a transitional month in terms of sunny weather, showing a 17% chance of sunshine. This figure mirrors the slight uptick seen in November, where the likelihood of clear skies begins to level off after the wetter months of the rainy season. As the year winds down, the chances of sun are relatively stable compared to previous months, with January's 14% and February's 23% indicating a gradual shift towards sunnier days in the early part of the year. While December doesn’t stand out for bright, sunny weather, it does provide a comfortable balance as it approaches the drier months. Enjoy the festive season, but don't forget to keep an umbrella handy!
In December, Bulacan, Philippines experiences a daylight duration of 11 hours, mirroring the shorter days of January and February. The year begins with consistent 11-hour days, transitioning into a period of longer daylight in the spring and summer months from March to September, where days stretch up to 12 hours. This uniformity reflects the region's tropical climate, where daylight duration remains relatively stable throughout the year. As the year winds down, daylight begins to taper off once again, returning to 11 hours in October and November, before settling into the shorter days of late December. This cyclical pattern highlights the predictability of daylight in Bulacan, creating a rhythmic tapestry of light and shadow.
As December sets in, Bulacan, Philippines experiences a delightful shift in its winds, with an average speed of 1.9 m/s (4 mph), marking a gentle uptick from the preceding months. This increase follows a generally consistent wind pattern throughout the year, where average speeds hovered around 1.4 to 1.8 m/s during the warmer months. Notably, December's breeze not only brings a refreshing coolness but also signifies a transition that signals the start of the festive season. This slight elevation in wind speed invites residents and visitors alike to bask in the charming atmosphere, making the air feel brisk and invigorating, perfect for outdoor festivities and holiday gatherings.
Weather in Bulacan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bulacan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly warmer with average temperatures reaching 27°C (81°F) and maximum highs of 35°C (95°F), accompanied by significant rainfall of 139 mm (5.5 in) over 20 days. Humidity levels are quite high at 87%. In comparison, January experiences slightly cooler temperatures, with an average of 26°C (79°F) and a maximum of 32°C (90°F). Rainfall increases to 161 mm (6.3 in), spread over 18 days, and humidity rises to 90%. For a detailed look at the climate, check out Bulacan weather in January.
In December, the weather tends to be warmer, with minimum temperatures around 23°C (73°F) and maximums reaching 35°C (95°F). This month also experiences higher precipitation, averaging about 139 mm (5.5 in) over approximately 20 days, contributing to a high humidity level of 87%. In contrast, February sees slightly cooler conditions, with minimum temperatures of 21°C (71°F) and maximums of 34°C (94°F). Precipitation in February is reduced to 89 mm (3.5 in) over 14 days, and humidity increases slightly to 92%. For more details on the weather specific to February, you can check Bulacan weather in February.
December and March exhibit quite similar weather patterns, with both months showcasing average temperatures around 27°C (81°F) and maximum temperatures peaking at 35°C (95°F) in December and slightly lower at 35°C (94°F) in March. However, December tends to be slightly wetter, receiving 139 mm (5.5 in) of precipitation spread over 20 days, compared to March, which has 136 mm (5.3 in) of rainfall over 14 days. Humidity levels are also quite high in both months, with March experiencing a marginally higher humidity at 90% versus December's 87%. For more detailed insights on March's weather, you can check Bulacan weather in March.
In comparing December and April weather, both months exhibit similar temperature ranges with minimums of 23°C (73°F) in December and 22°C (72°F) in April, as well as average highs reaching up to 35°C (95°F). However, December tends to be wetter, accumulating 139 mm (5.5 in) of precipitation over 20 days, compared to April's 113 mm (4.4 in) across 16 days. Interestingly, humidity remains consistent at 87% for both months, contributing to a tropical atmosphere. For more details on weather specifics in April, you can check Bulacan weather in April.
When comparing the weather in December and May, both months experience similar temperature ranges, with minimums around 23°C (73°F) and maximums peaking at 35°C (95°F for December and 96°F for May). However, May tends to be wetter, receiving more precipitation at 209 mm (8.2 in) compared to December's 139 mm (5.5 in), and it experiences more rainy days—27 days in May versus 20 days in December. Additionally, humidity levels are slightly lower in May at 83%, compared to 87% in December. This indicates that while the temperature remains consistent, May proves to be a wetter month overall. For a detailed overview of the weather in May, please visit Bulacan weather in May.
When comparing the weather in December and June, both months exhibit similar temperature ranges, with December having a minimum temperature of 23°C (73°F) and an average of 27°C (81°F), while June also features a minimum of 23°C (74°F) and the same average. However, June experiences slightly cooler maximum temperatures at 33°C (92°F) compared to December's peak of 35°C (95°F). Additionally, June has a notably higher precipitation level of 214 mm (8.4 in) over 28 days, while December sees 139 mm (5.5 in) spread over 20 days. Humidity is also somewhat lower in June at 83% compared to December's 87%. For more details, check out Bulacan weather in June.
In December, Bulacan experiences slightly higher maximum temperatures, reaching up to 35°C (95°F), while July sees a cooler peak of 33°C (92°F). Both months have similar minimum and average temperatures, averaging around 23°C (73°F) and 27°C (81°F) respectively. However, December tends to be wetter, with 139 mm (5.5 in) of precipitation over 20 days, compared to July's 206 mm (8.1 in) over 24 days. Humidity levels are relatively high in both months, though December is slightly more humid at 87%, compared to July’s 82%. For more detailed insights, you can visit Bulacan weather in July.
When comparing the weather in December and August, we see some notable similarities and differences. Both months feature similar temperature ranges, with minimums around 23°C (73°F) and average temperatures of 27°C (81°F). However, December tends to be a bit warmer, with a maximum temperature reaching up to 35°C (95°F) compared to August's peak of 34°C (93°F).
In terms of precipitation, August is slightly wetter, receiving 171 mm (6.7 in) over 24 days, while December has 139 mm (5.5 in) over 20 days. Humidity levels are also comparable, with December at 87% and August slightly lower at 83%.
For more information on Bulacan's weather during August, you can visit Bulacan weather in August.
In comparing the weather of December and September, we find that both months share similar temperature ranges, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum hovering around 35°C (95°F for December and 96°F for September). However, September tends to be slightly wetter, with 163 mm (6.4 in) of precipitation falling over 22 days, compared to December's 139 mm (5.5 in) over 20 days. Additionally, both months have high humidity levels, but December is slightly more humid at 87% compared to September's 85%. For more detailed insights on weather conditions, you can check Bulacan weather in September.
In December, the weather remains relatively warm, with minimum temperatures around 23°C (73°F) and average highs reaching up to 35°C (95°F). This month experiences a significant amount of precipitation, totaling 139 mm (5.5 in) over approximately 20 rainy days, coupled with high humidity at 87%.
In contrast, October boasts a similar minimum temperature of 23°C (74°F) and an average temperature of 27°C (81°F), but the maximum temperature is slightly lower at 33°C (93°F). It also sees higher rainfall, with 214 mm (8.4 in) accumulated over 25 days, though the humidity is a bit lower at 82%. For a more detailed look at October's weather in Bulacan, you can refer to Bulacan weather in October.
In December, the weather remains similar to November, with both months experiencing a minimum temperature of around 23°C (73-74°F) and an average of 27°C (81°F). However, December sees a slight increase in maximum temperature, reaching 35°C (95°F), compared to November's maximum of 34°C (93°F). Precipitation levels in December are slightly lower, totaling 139 mm (5.5 in) over 20 days, while November receives 149 mm (5.9 in) over 23 days. Humidity is also marginally higher in December at 87%, compared to 83% in November. For further details, check out Bulacan weather in November.
In December, Bulacan experiences a notable shift in weather, characterized by its cooler temperatures and heightened humidity levels that bring a refreshing contrast to the warmer months. With an average temperature settling around a comfortable 27°C, the days are still warm but are often interrupted by frequent rain showers, which total about 139 mm throughout the month. This increase in rainfall—spanning approximately 20 days—creates a lush atmosphere that's both vibrant and inviting. As December unfolds, it paves the way for a distinctive climate experience that is uniquely different, making it a lovely time to explore the rich beauty of Bulacan. For a deeper understanding of what to expect throughout the year, check out Bulacan Climate.