Last updated: August 27, 2025
In January, Bulacan, Philippines experiences a warm tropical climate characterized by an average temperature of 26°C (80°F), reaching a maximum of 32°C (89°F) and dipping to a minimum of 22°C (71°F). With an overall humidity level of 76%, the month brings about a moderate rainfall total of 69 mm (2.7 inches), distributed over approximately 4 days. This combination of warmth and moisture creates an inviting atmosphere for both residents and visitors, making it a delightful time to explore the region's rich culture and natural beauty.
In Bulacan, Philippines, January marks the beginning of the year with tropical warmth that invites both locals and visitors to embrace the outdoors. The month experiences minimum temperatures of 22°C (71°F), gradually rising to an average of 26°C (80°F) and peaking at a comfortable 32°C (89°F). As the transition to February unfolds, temperatures remain stable, indicating a slight downward trend in nighttime lows and a modest rise in daytime highs. This mild start hints at the gradual warming that will continue in the following months, culminating in steamy temperatures that can reach up to 36°C (96°F) by May. The consistent warmth in January sets the stage for the region's sun-soaked days, fostering an inviting atmosphere for exploration and enjoyment of its vibrant culture.
In January, Bulacan experiences moderate precipitation, with a total rainfall of 69 mm (2.7 in) spread over a mere 4 days. This sets the stage for a gradual transition into the drier months, as rainfall significantly drops to only 20 mm (0.8 in) in February. As the year progresses, the region prepares for its rainy season, particularly from May through July, where monthly totals soar, with July peaking at a striking 504 mm (19.8 in) over 30 days. The trend shows a distinct shift from relatively light January showers to the heavy torrential rains that are characteristic of the mid-year months, underscoring Bulacan's diverse climate patterns.
In January, Bulacan, Philippines, experiences a relative humidity of 76%, setting the tone for a month that feels pleasantly humid but manageable. As the year progresses into February, a slight dip to 71% offers a brief respite before humidity begins to rise again, peaking at 89% from August to November. March and April see a gradual decline, hitting 68% and 69%, respectively, hinting at the transition toward the warmer months. However, this fluctuation gives way to a more consistent pattern in the mid-year, with June through September showcasing heightened moisture levels. Interestingly, the humidity returns to 76% in May, mirroring January’s levels, suggesting that early and late dry season months share a similar feel, while mid-year brings a notable increase in humidity, creating a distinct tropical atmosphere typical of the region.
In January, Bulacan, Philippines, experiences an extreme UV Index of 11, requiring caution as skin can burn in just 10 minutes of unprotected exposure. This high UV level sets the tone for the months ahead, with February seeing an increase to 13 and peaking in March and April at a scorching 15. Despite slight fluctuations in the following months, the UV Index remains consistently extreme, with values ranging from 13 to 14 up until October. Only in November and December does it dip to 10, classified as very high, with a slightly longer burn time of 15 minutes. This trend highlights the importance of sun protection throughout the year. For more details on the UV Index in Bulacan, visit Bulacan UV Index.
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In Bulacan, Philippines, January greets the year with a delightful 232 hours of sunshine, setting the stage for a gradual increase in brightness as the months unfold. As February rolls in, sunlight blossoms to 274 hours, suggesting a warming trend that culminates in March with an impressive 313 hours. This peak in solar exposure carries into April and May, with only a slight dip in April at 310 hours. The sun-drenched days continue, peaking at 317 hours in May, just before the onset of the rainy season. A steady decline begins in June, but even at 292 hours, the sun remains a familiar companion. The following months see further reductions, with July through September hovering around 250-259 hours of sunshine. However, as the year draws to a close, Bulacan basks in a revitalizing return of brightness in October through December, maintaining an average of 266 to 276 hours. This rhythmic dance of sunshine emphasizes a vibrant tropical climate, making Bulacan a radiant escape throughout the year.
In Bulacan, Philippines, the likelihood of sunny weather in January hovers at a modest 31%, setting the stage for a gradual increase in sunshine as the year progresses. This month marks the beginning of a notable upward trend, with February witnessing a rise to 40%, and March seeing a significant jump to 51%. Following March, the chances of sunny days slightly dip in April to 46%, but from May onwards, the probability remains above half, peaking at 53%. The data highlights a clear seasonal pattern, where the sun shines bright in the early months of the year, contrasting sharply with the cloudy and rainy days typical of the middle of the year. As such, January serves as an enticing precursor to the sunnier times ahead, making it a delightful month for outdoor activities despite the relatively low chances of sunshine.
In January, daylight in Bulacan, Philippines, spans a comfortable 11 hours, mirroring the same duration in February. As the year progresses, a gradual shift occurs, with March to June enjoying 12 hours of daylight, creating a perfect backdrop for outdoor activities and exploration. This extended daylight continues through the summer months, emphasizing the vibrant tropical lifestyle. However, starting in October, the daylight begins to wane again, returning to 11 hours in November and December. This pattern of longer daylight in the middle months and shorter days at the year's end paints a vivid picture of Bulacan's seasonal rhythm, inviting residents and visitors alike to embrace the varying beauty of each month.
In January, Bulacan experiences a brisk average wind speed of 3.3 m/s (7 mph), setting a refreshing tone for the year ahead. This invigorating start gradually gives way to calmer breezes, as February and March see a slight decline to 2.8 m/s and 2.5 m/s, respectively. By the time April rolls in, winds become more subdued, dipping to 2.2 m/s before slightly rebounding in July, which showcases a notable 3.2 m/s. The months following July experience varying wind speeds, often languishing around 2.1 m/s to 2.3 m/s, before concluding the year with another lively gust in December at 3.2 m/s. Overall, January serves not just as a seasonal shift, but as a vibrant start that hints at nature's rhythm throughout the year in this picturesque region.
Weather in Bulacan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bulacan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a minimum temperature of 22°C (71°F) and an average of 26°C (80°F), with highs reaching up to 32°C (89°F). During this month, precipitation is relatively higher at 69 mm (2.7 in) over 4 days, resulting in a humidity level of 76%. In contrast, February brings slightly warmer conditions, with a minimum temperature of 21°C (71°F) and an average of 27°C (80°F), while still peaking at 32°C (91°F). Precipitation decreases significantly to just 20 mm (0.8 in) over 3 days, contributing to a more comfortable humidity level of 71%. For more detailed information, you can check Bulacan weather in February.
January and March in Bulacan showcase distinct differences in weather patterns. January typically experiences slightly cooler temperatures, with averages around 26°C (80°F) and maximums reaching 32°C (89°F), while March sees warmer temperatures, averaging 28°C (83°F) and peaking at 34°C (94°F). Additionally, January tends to be wetter, with 69 mm (2.7 in) of precipitation over four days, compared to March's lighter rainfall of 18 mm (0.7 in) spread over five days. Humidity levels are also higher in January at 76%, whereas March enjoys a more comfortable 68%. For more insights, you can check Bulacan weather in March.
In January, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 32°C (89°F). The month experiences around 69 mm (2.7 in) of precipitation over roughly four days, contributing to a high humidity level of 76%. In contrast, April is even warmer, with average temperatures reaching a minimum of 24°C (76°F) and peaking at 35°C (95°F). Although April sees less total precipitation at 23 mm (0.9 in), it does rain on more days—approximately seven—resulting in a slight decrease in humidity, which stands at 69%. For more detailed information, you can visit Bulacan weather in April.
In January, Bulacan experiences milder temperatures, with an average of 26°C (80°F), and a maximum reaching 32°C (89°F). The rainfall is relatively modest, totaling 69 mm (2.7 in) over just four days, and humidity levels are consistently high at 76%. In contrast, May brings significantly warmer weather, with average temperatures rising to 30°C (86°F) and peaks hitting 36°C (96°F). However, this month also sees increased precipitation, with 149 mm (5.9 in) expected over 19 days, while humidity remains steady at 76%. For more details, check Bulacan weather in May.
The weather in January and June presents a notable contrast. January enjoys warmer temperatures, with a minimum of 22°C (71°F) and an average of 26°C (80°F), while June records slightly higher temperatures, starting at a minimum of 24°C (76°F) and averaging 29°C (84°F). However, June experiences significantly more precipitation, totaling 313 mm (12.3 in) over 26 days, compared to January's 69 mm (2.7 in) over just 4 days. Additionally, humidity levels rise from 76% in January to a more oppressive 87% in June, making it feel even warmer. For a closer look at the specifics of June's weather, visit Bulacan weather in June.
January and July present distinct weather contrasts. In January, temperatures range from a minimum of 22°C (71°F) to a maximum of 32°C (89°F), with an average of 26°C (80°F). The month experiences relatively low precipitation of 69 mm over just 4 days, and the humidity level is around 76%.
In contrast, July sees higher temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), averaging 28°C (82°F). However, it experiences a significant increase in rainfall, totaling 504 mm over 30 days, and the humidity rises to 88%. For more detailed information about the weather in July, you can visit Bulacan weather in July.
In January, the weather is typically warm with an average temperature of 26°C (80°F) and humidity levels around 76%. The month sees relatively low precipitation, totaling 69 mm (2.7 in) over about 4 days. In contrast, August experiences hotter conditions, with average temperatures rising to 28°C (82°F) and a maximum reaching up to 35°C (95°F). However, August is also marked by significantly higher rainfall, accumulating 464 mm (18.3 in) during 29 days, accompanied by increased humidity at 89%. This stark contrast highlights the shift from a predominantly dry January to a notably wet and humid August. For more details, check out Bulacan weather in August.
In January, the weather is generally warm and dry, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 32°C (89°F) and only 69 mm of precipitation spread over just 4 days. The humidity level sits at 76%, creating a comfortable environment. In contrast, September brings a noticeable change, with slightly higher temperatures averaging around 28°C (82°F) and reaching up to 33°C (92°F). However, this month is significantly wetter, experiencing 427 mm of rain over 28 days, and the humidity rises to 89%. For a more detailed overview, you can refer to Bulacan weather in September.
In January, the weather typically features a minimum temperature of 22°C (71°F) and an average of 26°C (80°F), peaking at 32°C (89°F). This month experiences relatively light rainfall, totaling 69 mm (2.7 in) over about 4 days, with humidity levels around 76%. In contrast, October brings warmer conditions with a minimum temperature of 24°C (75°F) and an average of 28°C (83°F), peaking at 34°C (93°F). However, the month is significantly wetter, recording 286 mm (11.3 in) of rain over 22 days, along with higher humidity at 86%. For more details, you can visit Bulacan weather in October.
In January, the weather typically sees a minimum temperature of 22°C (71°F) and an average of 26°C (80°F), while the maximum can reach up to 32°C (89°F). This month experiences about 69 mm (2.7 in) of precipitation over 4 days and maintains a humidity level of 76%. In contrast, November has slightly warmer temperatures, with a minimum of 23°C (75°F) and an average of 28°C (83°F), peaking at 33°C (91°F). However, it also brings more rainfall, totaling 132 mm (5.2 in) across 13 days, along with higher humidity at 89%. This comparison highlights November's wetter and more humid conditions compared to the drier January climate. For more details, you can visit Bulacan weather in November.
In comparing the weather between January and December, we see a slight increase in average temperatures, with January's average at 26°C (80°F) compared to December's 27°C (81°F). Both months experience similar maximum temperatures, peaking at around 32°C (89°F - 90°F). However, January tends to be drier, featuring only 69 mm (2.7 in) of precipitation over 4 days, while December has significantly higher rainfall of 134 mm (5.3 in) spread across 9 days. Additionally, January's humidity is somewhat lower at 76% versus December's 86%, making the start of the year feel a bit less muggy. For a more detailed look at December’s weather, you can visit Bulacan weather in December.
In January, Bulacan experiences a delightful shift in weather compared to the hotter, more humid months of the year. With average temperatures settling around 26°C (80°F), the month provides a pleasant reprieve from the sweltering heat that typically characterizes the region. Rainfall is relatively low, tallying just a few days of precipitation that contribute to the refreshing humidity of 76%, making it an ideal period for outdoor activities. Whether you're looking to explore the beautiful landscapes or simply enjoy the cooler temperatures, January is a charming time to visit. For more insights into the region's climate, check out Bulacan Climate.