Last updated: August 27, 2025
May in San Fernando, Philippines, presents a tropical experience characterized by a maximum temperature reaching 37°C (99°F) and an average of 30°C (86°F), ensuring warm days ahead. Typically, nights are more comfortable with temperatures dipping to a minimum of 25°C (77°F). This month also sees considerable precipitation, with around 120 mm (4.7 in) of rain distributed over 16 days, contributing to a humidity level of 76%. Whether you’re exploring lush landscapes or enjoying local festivities, be prepared for a tropical climate that balances warmth with refreshing showers.
In May, San Fernando, Philippines, begins to embrace the warm embrace of summer, with temperatures rising noticeably. The minimum temperature sits at a comfortable 25°C (77°F), while the average climbs to 30°C (86°F), making it one of the warmer months of the year. With a maximum of 37°C (99°F), the heat can be intense, mirroring the peak often seen in April. However, unlike the more extreme temperatures of the preceding month, May offers a slight respite, often accompanied by the refreshing breezes that the coastal location provides. Overall, May continues the trend of rising warmth, setting the stage for the sweltering days ahead as the region transitions deeper into the summer months.
In May, the San Fernando region experiences a significant uptick in precipitation, receiving 120 mm (4.7 inches) over 16 days, marking it as one of the wetter months of the year. This increase sets the stage for the forthcoming monsoon season, where rainfall intensifies dramatically in the subsequent months. By comparison, earlier months like January and February recorded only 61 mm (2.4 in) and 26 mm (1.0 in) over just a handful of days. The contrast is stark as the region transitions from early dry spells to lush, rain-soaked days, leading into the summer months when precipitation peaks in July and August. May not only signifies the arrival of warmer, more humid conditions but also serves as a precursor to the heavy rains that define the rest of the wet season.
May in San Fernando, Philippines, ushers in a notable shift in humidity, peaking at 76%, mirroring the levels of January. This month marks a transitional phase where the rising heat of summer begins to intertwine with the impending monsoon season. As the days grow warmer, humidity levels steadily increase from the drier months of March and April. Following May, a drastic surge is observed, with humidity soaring to 87% in June and reaching a humid 89% from July through November. This trend highlights the distinct shift from the moderate humidity of early spring to the more oppressive saturations of the wet season, emphasizing the importance of preparing for the inevitable downpours that characterize the latter half of the year.
In May, San Fernando continues to experience extreme UV Index levels, registering a UV Index of 13 which indicates a consistent risk alongside the preceding months of the year. This is a slight decrease from April’s peak of 15, yet it remains crucial to protect your skin, as even just 10 minutes of unprotected exposure can lead to sunburn. As summer approaches, trend patterns show that UV levels tend to fluctuate between 13 and 15 from January to June, illustrating the region's persistent intensity regarding sun exposure. For those spending time outdoors, awareness and caution are essential. Check out the detailed UV Index for San Fernando here: San Fernando UV Index.
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In San Fernando, Philippines, May shines bright with an impressive 310 hours of sunshine, matching the sun-soaked days of March. This trend continues from the previous month of April, where residents enjoyed a similar amount of daylight. The months leading up to May display a gradual increase in sunshine hours, peaking in both March and May, suggesting that the dry season is in full swing. As the year progresses, sunshine hours start to taper off, with June recording a slight decrease to 287 hours, setting the stage for a warm, vibrant summer. Overall, the sunshine data highlights a significant burst of brightness in the early months, making San Fernando a sunny delight as it transitions into mid-year.
As May rolls around in San Fernando, the likelihood of basking in sunny weather rises to an inviting 57%, marking a peak in the dry season. This upward trend from the lower percentages seen earlier in the year is particularly noticeable when compared to April's 47%. The sunshine begins to reclaim its dominance after the cooler months of January through March, which see significantly lower chances of clear skies. June then takes a sharp downturn to just 19%, signifying the onset of the rainy season. Thus, May emerges as an ideal month for outdoor activities, as residents and visitors alike can relish the warmth and brightness before the clouds inevitably roll in.
In San Fernando, Philippines, the daylight duration showcases a fascinating trend as the year progresses. Starting with a consistent 11 hours of daylight in January and February, the days gradually begin to lengthen, reaching 12 hours in March. This increase continues through the warm months of April and May, underscoring a seasonal shift towards longer days that persists until October. After May, the daylight stabilizes at 12 hours, creating a pleasant equilibrium that resonates through the mid-year. As the year winds down, daylight duration regresses back to 11 hours in the final quarter, revealing a rhythmic cycle of light that mirrors the tropical climate of the region.
In San Fernando, Philippines, the wind patterns during May present a mild transition, averaging 2.3 m/s (5 mph). As the dry season approaches its peak, May's wind speed slightly increases from April's 2.0 m/s, suggesting a gentle shift before the summer months. Interestingly, this trend reflects a broader seasonal rhythm where wind speeds generally fluctuate, peaking in January at 2.8 m/s and rising again in July to 2.6 m/s. Following the summer, the wind often tapers off, with September recording the lowest average at 1.7 m/s. Thus, May stands as a brief moment of invigorating breezes, offering a refreshing contrast as the region gears up for warmer weather ahead.
Weather in San Fernando varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Fernando, focusing on differences in temperature, rainfall, humidity, and UV levels.
May presents significantly warmer temperatures compared to January, with a minimum of 25°C (77°F) and an average high of 30°C (86°F), peaking at 37°C (99°F). Conversely, January enjoys milder conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F) and an average of 26°C (79°F). Additionally, May experiences more precipitation, with 120 mm (4.7 in) over 16 days, while January sees only 61 mm (2.4 in) spread across just 5 days. Both months share the same humidity level of 76%, but the overall weather in May feels more oppressive due to the higher temperatures and increased rainfall. For a more detailed look at January's weather, you can refer to San Fernando weather in January.
When comparing the weather in May and February, it’s evident that May is significantly warmer and wetter. In May, temperatures soar with a minimum of 25°C (77°F) and an average temperature of 30°C (86°F), peaking at a scorching 37°C (99°F). The month also sees considerable rainfall, accumulating 120 mm (4.7 in) over approximately 16 days, coupled with humidity levels around 76%. In contrast, February offers a milder experience, featuring cooler temperatures that range from a minimum of 19°C (67°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). Rainfall is minimal in February, with just 26 mm (1.0 in) occurring over 3 days and lower humidity at 71%. For more information, check out San Fernando weather in February.
The weather in May is notably warmer and more humid compared to March. With average temperatures reaching 30°C (86°F) and maximums soaring to 37°C (99°F), May presents a stark contrast to March, where temperatures linger around an average of 28°C (83°F) and peak at 35°C (96°F). Additionally, May experiences significantly higher precipitation, totaling 120 mm (4.7 in) over 16 days, while March sees only 17 mm (0.7 in) spread across just 3 days. The humidity also rises in May to 76%, compared to 68% in March, making it feel noticeably stickier. For more specific details, you can visit San Fernando weather in March.
In comparing the weather of April and May, we see a noticeable shift in temperatures and precipitation. May features a minimum temperature of 25°C (77°F) and an average of 30°C (86°F), slightly warmer than April, which has a minimum of 23°C (73°F) and an average of 29°C (85°F). Both months share the same maximum temperature of 37°C (99°F). However, May experiences significantly higher rainfall, with 120 mm (4.7 in) spread over 16 days, in stark contrast to April's mere 17 mm (0.7 in) over just 3 days. Additionally, the humidity rises in May to 76%, compared to April's 69%. For more details on April's weather, you can visit San Fernando weather in April.
In comparing the weather between May and June, both months experience similar temperature extremes, with maximums reaching up to 37°C (99°F). However, May has a slightly warmer average temperature of 30°C (86°F), while June averages a cooler 29°C (85°F). Notably, June is characterized by significantly higher precipitation, totaling 208 mm (8.2 in) over 25 days, compared to May's 120 mm (4.7 in) across 16 days. This increase in rainfall also contributes to higher humidity levels in June, which sits at 87%, compared to May’s 76%. For more detailed weather information in June, you can visit San Fernando weather in June.
In May, temperatures in San Fernando typically range from a minimum of 25°C (77°F) to a maximum of 37°C (99°F), with an average temperature of 30°C (86°F). The month experiences moderate rainfall, totaling 120 mm (4.7 in) over approximately 16 days, accompanied by a humidity level of 76%.
In contrast, July sees cooler average temperatures, with a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum of 34°C (94°F). However, it is much wetter, receiving 354 mm (13.9 in) of rain across 29 days, leading to a higher humidity level of 88%. This significant difference in precipitation indicates that July is not only rainier but also more humid compared to May. For more specific insights, you can check San Fernando weather in July.
May and August exhibit distinct weather patterns, reflecting the transition from late spring to deep summer. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 37°C (99°F) with an average of 30°C (86°F), accompanied by 120 mm (4.7 in) of precipitation over 16 days and a humidity level of 76%. Conversely, August features cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), along with a lower average of 28°C (83°F). However, it is marked by significantly increased rainfall, totaling 268 mm (10.6 in) over 29 days, and higher humidity at 89%. For more insights, you can refer to San Fernando weather in August.
May and September present quite different weather patterns. In May, temperatures typically range from a minimum of 25°C (77°F) to a maximum of 37°C (99°F), with an average of 30°C (86°F). The month sees a moderate level of precipitation at 120 mm (4.7 in) over roughly 16 days, along with a humidity level of 76%. In contrast, September experiences slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), averaging 28°C (83°F). However, it is significantly wetter, receiving 307 mm (12.1 in) of rainfall over 27 days, and the humidity rises to 89%. For a detailed look at how September weather may impact your plans, check out San Fernando weather in September.
In comparing the weather of May and October, both months showcase warm temperatures, though October is slightly cooler with an average of 28°C (82°F) compared to May's 30°C (86°F). May sees maximum temperatures hit a high of 37°C (99°F), while October's peak reaches 34°C (93°F). Precipitation is notably higher in October, with 217 mm (8.5 in) over 19 days, compared to May's 120 mm (4.7 in) over 16 days. Additionally, October experiences increased humidity at 86%, compared to May’s 76%. For more detailed insights, check out San Fernando weather in October.
May exhibits warmer temperatures, with an average high of 30°C (86°F) and peaks reaching up to 37°C (99°F), while November offers milder conditions, with a maximum temperature of 33°C (92°F). Both months experience significant humidity, but November is notably more humid at 89%, compared to May's 76%. Precipitation levels are quite similar, with May accumulating 120 mm (4.7 in) over 16 days, while November sees slightly less at 117 mm (4.6 in) across 13 days. For a more detailed outlook, you can visit San Fernando weather in November.
May typically offers hotter temperatures, with averages reaching up to 30°C (86°F) and peaks of 37°C (99°F). In contrast, December's climate is milder, with average temperatures around 27°C (81°F) and maximums of 33°C (91°F). Although both months experience similar levels of precipitation—approximately 120 mm in May and 116 mm in December—May sees more rainy days (16) compared to December's 10 days of rainfall. Additionally, December tends to be more humid, averaging 86%, while May has a slightly lower humidity level of 76%. For more detailed information, check out San Fernando weather in December.
As May settles in San Fernando, the weather transforms into a warm tapestry of heat and humidity. With temperatures reaching their peak, this month stands out with noticeably higher highs and an average warmth that envelopes the city. A significant uptick in precipitation also marks May, bringing refreshing showers that grace the landscape on multiple days, which is a contrast to the drier spells in other months. The consistent humidity further amplifies the tropical feel, making it distinctly vibrant yet challenging for outdoor activities. For a more in-depth exploration of the seasonal patterns, check out San Fernando Climate.