Last updated: August 27, 2025
May in Bulacan, Philippines embraces tropical warmth, with maximum temperatures soaring to 35°C (96°F) and an average of 27°C (82°F), while nighttime lows settle around 23°C (74°F). Amidst this heat, the region experiences significant rainfall, totaling approximately 209 mm (8.2 in) over 27 days, leading to a humidity level of 83%. This combination of warmth and moisture sets the stage for a vibrant, lush landscape, punctuated by the rhythmic patterns of rain that define the month.
In May, Bulacan, Philippines experiences a subtle rise in temperatures, marking the transition into the hotter months of the year. The minimum temperature hovers around a comfortable 23°C (74°F), while the average remains steady at 27°C (82°F). However, as the month progresses, the heat intensifies, with maximum temperatures peaking at 35°C (96°F), matching April's highs. This trend of warmth continues the gradual increase seen since January, where temperatures have slowly escalated, indicating a consistent warming pattern leading into the summer. Overall, May in Bulacan offers a blend of warmth and satisfaction, ideal for those who revel in sunny climates.
In May, Bulacan experiences a significant shift in weather patterns, with precipitation soaring to 209 mm (8.2 in) over the course of 27 days. This marks the onset of the rainy season, as the rainfall in May surpasses that of previous months, establishing it as one of the wettest periods of the year, closely followed by June and July. The increase in both rainfall amount and number of wet days signals a transition into a more humid climate, where the lush landscapes of Bulacan thrive. This trend of escalating precipitation sets the stage for vibrant ecosystems, making May a pivotal month for agriculture and water resources in the region.
In May, the humidity in Bulacan, Philippines dips to 83%, marking a subtle shift from the high averages of the earlier months. This slight decrease is part of a broader trend, with humidity levels gradually declining from the peaks of 90% in January and 92% in February. Following May, humidity remains steady at 83% for June, showcasing a mild yet consistent atmosphere. Notably, this pattern reflects a transition towards slightly drier conditions as the region moves into the warmer months, setting the stage for the emerging dry season ahead while still enveloped in the characteristic tropical climate.
As May arrives in Bulacan, Philippines, the UV Index remains at a striking 15, indicating an extreme risk of harm from unprotected sun exposure. While slightly lower than the peak of 16 observed in March and April, this index emphasizes the importance of sun safety, with a minimal burn time of just 10 minutes. Throughout the year, Bulacan consistently experiences high UV levels, especially from January through April when the index hovers around 14 to 16. Even as summer transitions to the slightly cooler months, the UV Index stays remarkably elevated, reflecting a persistent need for vigilance against harmful rays. For more detailed insights, you can check Bulacan UV Index.
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In Bulacan, Philippines, the month of May enjoys a remarkable 295 hours of sunshine, making it the ideal time to bask in the warmth of the sun. As spring transitions into summer, the sunlight peaks beautifully, following a trend from the previous months—March and April showcasing glorious hours at 302 and 301, respectively. This gradual build-up of sunlight culminates in May, just before the rainy season begins to creep in. Following May, the sunshine hours slightly taper off in June at 283 hours, signaling the shift in weather patterns. Overall, Bulacan's daylight hours illustrate a captivating cycle, where early months spring forth with brightness, setting the stage for lush greenery and vibrant landscapes that define the region as summer fully embraces it.
In Bulacan, Philippines, the likelihood of sunny weather in May takes a dip to 13%, making it one of the cloudier months in the region. This decrease contrasts with the sunnier days seen in March and April, where chances peak at 27% and 22%, respectively. Following May, the probability of sunshine rebounds slightly, reaching 24% in June. This trend indicates that while May might not be the best time for sun-seekers, the approach of the rainy season in the later months nonetheless brings drops in solar exposure as the year progresses, cycling back to sunnier spells come mid-year.
In Bulacan, Philippines, daylight duration experiences a rhythmic pattern throughout the year. The year begins with 11 hours of daylight in both January and February, gradually building to 12 hours as spring approaches in March. This consistent 12-hour stretch continues through the warmer months of April to August, offering ample sunlight for outdoor activities and gatherings. As the year progresses towards the latter half, daylight begins to wane again, tapering back to 11 hours by October, and remaining at this duration through the close of the year in December. This smooth transition from longer to shorter days highlights the tropical climate's minor variations, providing a predictable yet inviting environment for residents and visitors alike.
May in Bulacan, Philippines, witnesses a gentle decline in wind speed, averaging 1.4 m/s (3 mph), which is consistent with the trend of decreasing breezes as the region transitions towards the wet season. Following the more invigorating winds of earlier months, May’s softness reflects the calming ambiance before the rains set in. This pattern continues into June, where winds slow to 1.3 m/s (3 mph). Interestingly, the average wind speeds in May are comparable to those in August and September, suggesting a mid-year lull in bluster. As the year progresses, the comfort of these gentle winds provides a tranquil backdrop to the vibrant life in Bulacan, setting the stage for the rainy season's arrival.
Weather in Bulacan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bulacan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, May tends to be warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (96°F). In contrast, January offers slightly cooler temperatures, with an average range of 22°C (72°F) to 32°C (90°F). Both months experience a considerable amount of rainfall, but May is notably wetter, receiving 209 mm (8.2 in) over 27 days compared to January's 161 mm (6.3 in) during 18 days. Additionally, humidity levels are higher in January at 90%, compared to 83% in May. For more details on January weather, visit Bulacan weather in January.
In comparing the weather between May and February, May presents notably warmer temperatures, with averages reaching 27°C (82°F) and maximums soaring up to 35°C (96°F). In contrast, February offers slightly cooler conditions, with an average temperature of 26°C (79°F) and a maximum of 34°C (94°F). While both months experience considerable humidity, May has an average of 83%, slightly lower than February’s 92%. Additionally, May is significantly wetter, receiving 209 mm (8.2 in) of precipitation over 27 days, compared to February's 89 mm (3.5 in) across just 14 days. For more specifics, you can visit Bulacan weather in February.
In comparing the weather between March and May, both months feature similar average temperatures, with March seeing a low of 21°C (71°F) and May a low of 23°C (74°F). However, May experiences more rainfall, with 209 mm (8.2 in) of precipitation over 27 days, compared to March's 136 mm (5.3 in) over 14 days. Additionally, humidity levels are slightly lower in May at 83% compared to March's 90%, making the latter feel a bit more humid. For more detailed insights, you can explore Bulacan weather in March.
In comparing the weather of May and April, we notice that both months have similar average temperatures, with April experiencing a minimum of 22°C and May a slightly higher minimum of 23°C. Both months also reach a maximum temperature of 35°C, but May tends to be more humid at 83% compared to April's 87%. Precipitation is notably higher in May, totaling 209 mm over 27 days, while April had 113 mm over just 16 days. For more detailed insights, you can check the link: Bulacan weather in April.
May and June present similar weather patterns, with both months featuring a minimum temperature of 23°C (74°F) and an average temperature of around 27°C (81-82°F). However, June experiences slightly cooler maximum temperatures, peaking at 33°C (92°F) compared to May's high of 35°C (96°F). In terms of precipitation, June is slightly wetter, with 214 mm (8.4 in) falling over 28 days, while May recorded 209 mm (8.2 in) over 27 days. Humidity remains consistent at 83% throughout both months, creating a tropical and humid climate. For more detailed information, check the Bulacan weather in June.
In comparing the weather of May and July, both months exhibit similar temperature ranges, with May experiencing slightly warmer maximum temperatures averaging 35°C (96°F) compared to July's peak of 33°C (92°F). Precipitation levels are quite close, with May seeing 209 mm (8.2 in) over 27 days, while July has 206 mm (8.1 in) across 24 days. Humidity levels are also comparable, at 83% in May and slightly lower at 82% in July. Overall, both months are characterized by warm temperatures and considerable rainfall, making them quite similar in terms of weather patterns. For further details, you can check the Bulacan weather in July.
In comparing the weather between May and August, both months share similar temperature ranges with minimums around 23°C (73-74°F) and average highs near 27°C (81-82°F). However, May tends to be slightly warmer overall, peaking at 35°C (96°F) compared to August's maximum of 34°C (93°F). Precipitation also differs; May has a heftier amount at 209 mm (8.2 in) over 27 days, while August sees less rain at 171 mm (6.7 in) across 24 days. Remarkably, humidity levels remain constant at 83% in both months, contributing to the tropical feel. For more details, you can check Bulacan weather in August.
In comparing the weather of May and September, both months share similar temperature ranges, with minimums around 23°C (74°F), average temperatures of 27°C (81°F to 82°F), and maximums peaking at 35°C (96°F). However, May experiences higher precipitation at 209 mm (8.2 in) over 27 days, compared to September's 163 mm (6.4 in) over 22 days. Additionally, while humidity levels are slightly higher in September at 85%, May maintains a close level at 83%. For more detailed insights into September weather, you can explore Bulacan weather in September.
May and October exhibit similar temperature ranges, both featuring a minimum of 23°C (74°F) and an average around 27°C (82°F). However, May peaks with slightly higher maximum temperatures of 35°C (96°F) compared to October's maximum of 33°C (93°F). In terms of precipitation, October has a marginally higher rainfall of 214 mm (8.4 in) over 25 days, while May sees 209 mm (8.2 in) across 27 days. Both months maintain high humidity levels, with May at 83% and October at 82%, creating a consistently tropical environment. For more detailed information, you can visit Bulacan weather in October.
May and November in Bulacan exhibit some similarities in temperature, with both months featuring a minimum of 23°C (74°F) and an average around 27°C (81-82°F). However, May tends to be warmer overall, reaching a higher maximum of 35°C (96°F) compared to November's 34°C (93°F). Precipitation also varies between the two months; May is noticeably wetter, receiving 209 mm (8.2 in) across 27 days, while November sees less rain at 149 mm (5.9 in) over just 23 days. Humidity remains consistent at 83% in both months, contributing to a warm and tropical atmosphere. For more detailed information, you can visit Bulacan weather in November.
May and December in Bulacan share similar temperature ranges, with both months experiencing a minimum of around 23°C (73°F), an average of 27°C (81°F), and a maximum of about 35°C (95°F). However, May is notably wetter, with 209 mm (8.2 in) of precipitation occurring over 27 days, compared to December's 139 mm (5.5 in) over just 20 days. Additionally, December tends to be slightly more humid at 87%, compared to May's 83%. For more detailed information on December weather, you can refer to Bulacan weather in December.
In May, Bulacan experiences a distinct shift in weather patterns, characterized by warmer temperatures and heightened humidity. The average temperature rises, reaching comforting yet sultry levels, while the region faces an increase in precipitation days, resulting in frequent but refreshing rain showers. This combination of warmth and moisture creates a vibrant atmosphere, setting it apart from the cooler and less humid months. As the landscape flourishes under these conditions, May serves as a reminder of the approaching rainy season, making it a unique time to experience Bulacan's diverse climate. For a detailed overview of Bulacan's weather throughout the year, visit Bulacan Climate.