Last updated: August 27, 2025
January in Bulacan, Philippines welcomes residents and visitors with a warm climate characterized by a maximum temperature of 32°C (90°F) and an average of 26°C (79°F). As the month unfolds, temperatures dip to a minimum of 22°C (72°F), providing a pleasant respite from the heat. However, the humidity averages a notable 90%, contributing to a sultry atmosphere. This month also experiences considerable rainfall, with 161 mm (6.3 in) accumulated over 18 rainy days, making it essential for locals to prepare for the frequent showers amidst the warmth.
In January, Bulacan, Philippines, typically experiences a pleasant climate with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), averaging around 26°C (79°F). This month marks the transition into the warmer part of the year, as temperatures begin to gradually rise. The minimums remain consistent through February, while maximums soar to 34°C (94°F) by the end of the month. As the months progress into March and April, both daytime highs and nightly lows climb, indicating the onset of the dry season, with maximum temperatures peaking at 35°C (95°F). Despite the warmth, the average temperatures hold steady around 27°C (80°F) to 27°C (82°F) from March through May. The trend suggests a steady ascent into a hotter season, with May showcasing the highest maximum temperature, hinting at the sweltering summer days ahead. Overall, January serves as a gentle kickoff to Bulacan's warm climate, paving the way for the hotter months to follow.
January in Bulacan, Philippines, marks a notable transition in the region's climate, as it experiences an average precipitation of 161 mm (6.3 in) across 18 rainy days. This month sets the stage for the wet season, featuring more rainfall than the forthcoming months of February and March, which see significantly reduced precipitation at 89 mm (3.5 in) and 136 mm (5.3 in) respectively. However, as May approaches, the region gears up for its peak wet season, with a dramatic increase to 209 mm (8.2 in). The rainfall patterns in January establish a foundation for the lush greenery that follows, as Bulacan transitions from the cooler months into a vibrant and rain-soaked spring. This trend underscores the region's dynamic climate, characterized by fluctuating precipitation levels and a longer rainy season, culminating around mid-year.
In January, Bulacan, Philippines, experiences a notable humidity level of 90%, setting the tone for the month as one of the wettest times of the year. This high humidity tends to linger into February, where it peaks at 92%, creating a mildly oppressive atmosphere before gradually tapering off. By March, humidity drops slightly back to 90%, hinting at the upcoming dry season. As the months progress into April, the climate shifts, with humidity declining further to 87% and continuing its downward trend through May and June to around 83%. This pattern signifies a transition towards drier conditions before a slight rise again in the latter half of the year. The July to September period sees humidity stabilize around 82% to 85%, while the year closes with late-year increases, bringing December's levels back to 87%. Overall, January stands out as a key month in Bulacan's humidity cycle, establishing a transition that echoes through the following months.
In January, Bulacan, Philippines experiences a remarkably high UV Index of 14, placing it in the extreme exposure category with a brief burn time of just 10 minutes. This trend of intense UV exposure continues into February and March, where the UV Index climbs to 15 and 16, respectively, maintaining a critical risk throughout the early months of the year. Even in April and May, the UV Index remains at a striking 16 and 15, indicating a consistent pattern of extreme sun intensity. As the year progresses, while there are slight decreases in UV Index during the subsequent months, the exposure category stays firmly in the extreme zone, reminding residents and visitors alike to prioritize sun safety. For a detailed forecast and tips on managing UV exposure, visit Bulacan UV Index.
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January in Bulacan, Philippines, welcomes visitors with 221 hours of radiant sunshine, setting a warm tone for the year ahead. As the month progresses into February, the sun shines even brighter, granting 274 hours, a notable increase that hints at the coming warmth of spring. March reaches its peak, enveloping the region in 302 hours of glorious sunlight, while April and May follow closely, with 301 and 295 hours respectively, reflecting the consistent brightness of the season. The summer months continue to bathe Bulacan in light, with June providing 283 hours and July slightly rising to 286 hours. As late summer rolls in, August shines brightly with 298 hours, before the sun begins to retreat slightly in September at 278 hours. October and November maintain a pleasant glow with 279 and 273 hours respectively, while December ushers in the festive season with 277 hours. This yearly pattern reveals a vibrant tapestry of light, showcasing Bulacan's delightful climate and inviting atmosphere throughout the months.
In Bulacan, Philippines, the likelihood of sunny weather in January stands at a modest 14%, marking it as one of the cooler months of the year. This low probability of sunshine does lead into a trending increase in the following months, with February enjoying a notable 23% chance of clear skies. As spring approaches, March further elevates this trend, boasting a sunny probability of 27%. Interestingly, April dips slightly to 22% before returning to lower percentages in May at 13%. As the year progresses, the sunshine chances stabilize around the 24% to 27% range from June to July, showcasing a warm, sunny peak during the mid-year. Overall, while January may offer limited sun, it sets the stage for brighter months ahead as the season transitions.
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, the winds in Bulacan, Philippines, dance gently with an average speed of 1.7 m/s (4 mph), setting a tranquil tone for the start of the year. As the months progress into February and March, the breeze remains consistent at 1.8 m/s, providing a light and refreshing atmosphere. Temperatures begin to warm in April; however, the wind speed drops slightly back to 1.7 m/s. May and June bring a further decline, with winds slowing to 1.4 m/s and 1.3 m/s, respectively, often accompanied by the humidity of the approaching rainy season. The breeze finds its rhythm again in July, returning to 1.7 m/s, only to settle into a pattern of gentle winds throughout the latter part of the year. Notably, December marks the year’s peak with a lively 1.9 m/s, bookending the year with a refreshing finale, as the winds fluctuate but maintain a predominantly soft, soothing presence through Bulacan's seasonal transitions.
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 is characterized by warm temperatures, with a minimum of 22°C (72°F) and a maximum of 32°C (90°F). The month experiences significant rainfall, totaling 161 mm (6.3 in) over 18 days, and humidity levels remain high at 90%. In contrast, February sees slightly warmer temperatures, with a minimum of 21°C (71°F) and a maximum reaching 34°C (94°F). The precipitation is less intense, dropping to 89 mm (3.5 in) across 14 days, while humidity nudges up slightly to 92%. For a more detailed overview, check out Bulacan weather in February.
In January, temperatures in Bulacan range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). While the month is characterized by a significant amount of rainfall, totaling 161 mm (6.3 in) over 18 days, humidity levels remain high at 90%. In comparison, March sees slightly warmer average temperatures, with a minimum of 21°C (71°F) and a maximum of 35°C (94°F), and an average of 27°C (80°F). However, March experiences less rainfall, with 136 mm (5.3 in) across 14 days, maintaining the same high humidity level of 90%. For more detailed insights, you can check Bulacan weather in March.
In comparing the weather of January and April, both months exhibit warm minimum temperatures of 22°C (72°F). However, April generally sees a slight increase in average temperature, reaching 27°C (82°F) compared to January's 26°C (79°F). The maximum temperatures also rise notably in April, peaking at 35°C (95°F), whereas January maxes out at 32°C (90°F). Precipitation decreases from January's 161 mm (6.3 in) over 18 days to 113 mm (4.4 in) over 16 days in April, reflecting a reduction in rainy days and overall humidity, which drops from 90% in January to 87% in April. For a detailed look at the weather in April, you can check Bulacan weather in April.
In January, the weather tends to be warm, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F) and an average of 26°C (79°F). However, this month also experiences significant rainfall, with 161 mm (6.3 in) of precipitation over 18 days and high humidity at 90%. In contrast, May offers slightly warmer conditions, with a minimum temperature of 23°C (74°F) and a maximum of 35°C (96°F), and an average temperature of 27°C (82°F). May also sees increased precipitation, totaling 209 mm (8.2 in) across 27 days, but with lower humidity at 83%. For more details about the weather in May, you can check Bulacan weather in May.
In January, the weather features a warm climate with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F). The month is characterized by high humidity at 90% and considerable precipitation, totaling 161 mm (6.3 in) spread over 18 days. In contrast, June experiences slightly higher temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (92°F). Although the average temperature remains close to January’s at 27°C (81°F), June sees increased rainfall, with 214 mm (8.4 in) over 28 days, and lower humidity at 83%. For more insights into the weather during this month, you can check Bulacan weather in June.
January and July present slightly different weather patterns, characterized primarily by temperature and precipitation variances. In January, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F) and a high humidity level of 90%. The month experiences considerable rainfall, totaling 161 mm (6.3 in) over 18 days. On the other hand, July sees a slight increase in temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (92°F), averaging 27°C (81°F), but with lower humidity at 82%. The precipitation in July also surpasses January, with 206 mm (8.1 in) recorded over 24 days. For more details, you can check Bulacan weather in July.
In January, weather in Bulacan is characterized by a warm climate, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F). The month sees considerable rainfall, with a total precipitation of 161 mm (6.3 in) occurring over 18 days and high humidity levels at 90%. In contrast, August experiences slightly warmer temperatures, with an average ranging from 23°C (73°F) to 34°C (93°F). Precipitation in August rises to 171 mm (6.7 in) over 24 days, while humidity decreases to a more comfortable 83%. For more detailed information, you can visit Bulacan weather in August.
In comparison to January, September exhibits slightly warmer temperatures, with minimums of 23°C (73°F) and average highs reaching up to 35°C (96°F), compared to January's maximum of 32°C (90°F). Both months see substantial precipitation, with January experiencing 161 mm (6.3 in) over 18 days and September totaling 163 mm (6.4 in) across 22 days. While January tends to have higher humidity at 90%, September is still quite humid at 85%. For more detailed insights on September weather, check out Bulacan weather in September.
January and October present a noticeable difference in weather patterns. January typically experiences temperatures ranging from a low of 22°C (72°F) to a high of 32°C (90°F), with an average of 26°C (79°F). This month sees considerable rainfall, totaling 161 mm (6.3 in) over 18 days, alongside high humidity levels at 90%. In contrast, October is slightly warmer, with temperatures starting at a minimum of 23°C (74°F) and peaking at 33°C (93°F), averaging 27°C (81°F). The precipitation in October is also higher, with 214 mm (8.4 in) falling across 25 days, although humidity is lower at 82%. For a closer look at weather specifics during this month, you can visit Bulacan weather in October.
In January, the weather tends to be slightly cooler compared to November, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (90°F). Rainfall is relatively high in January, with 161 mm (6.3 in) of precipitation occurring over 18 days and humidity levels reaching 90%. In contrast, November sees slightly warmer temperatures, with an average range of 23°C (74°F) to 34°C (93°F), lower precipitation at 149 mm (5.9 in) over 23 days, and more comfortable humidity at 83%. For more details on the weather patterns during this month, visit Bulacan weather in November.
When comparing the weather in January and December, we find that January experiences slightly lower temperatures with an average of 26°C (79°F) compared to December's 27°C (81°F). December sees higher maximum temperatures, reaching up to 35°C (95°F), whereas January peaks at 32°C (90°F). Precipitation is more abundant in January, totaling 161 mm (6.3 in) over 18 days, compared to December's 139 mm (5.5 in) spread over 20 days. Additionally, January has higher humidity levels at 90%, slightly above December's 87%. For more specific information on December weather patterns, you can check Bulacan weather in December.
January in Bulacan offers a refreshing respite compared to the hotter months, featuring a mild average temperature that invites outdoor activities. With humidity levels hovering around 90%, the air feels comfortable, despite the occasional rain with up to 161 mm of precipitation over 18 days. This month stands out as a transitional period, where the blend of coolness and moisture is a welcome change before the heat sets in. For more insights into the climate of Bulacan and how it influences the seasons, visit Bulacan Climate.