Last updated: August 27, 2025
May in San Fernando, Philippines is characterized by warm temperatures and high humidity, making it a quintessential tropical month. The maximum temperature can soar to 33°C (92°F), while the average settles around a comfortable 28°C (83°F). Nighttime lows rarely dip below 25°C (76°F), providing a consistent warm atmosphere. However, plan for frequent rain, with 244 mm (9.6 in) of precipitation spread across 30 days, underscoring the wet conditions typical of the region. With an humidity level of 84%, the month presents a vibrant yet challenging climate that shapes the local environment and lifestyle.
In May, the temperatures in San Fernando, Philippines continue to rise, reflecting the onset of the warmer months. The minimum temperature settles at a comfortable 25°C (76°F), providing a pleasant start to the day, while the average temperature remains steady at 28°C (83°F). This month also reaches peaks of 33°C (92°F), matching the heights seen in April, showcasing the region’s balmy climate. The gradual increase from the cooler January temperatures signals a transition into summer, where longer days invite outdoor adventures and vibrant experiences amidst the picturesque surroundings.
May in San Fernando marks a significant uptick in precipitation, with 244 mm (9.6 in) of rain recorded over the entire month, tying with April for one of the lower totals in the wet season. However, this amount falls notably shy of the heavy downpours seen in the subsequent months of June and July. Interestingly, May is unique with 30 rainy days, meaning that even light showers are frequent, contributing to a lush landscape. This trend suggests that while May may experience less volume than its neighboring months, its nearly constant rain contributes substantially to San Fernando's overall climatic pattern, setting the stage for the more intense rainfall that follows in the peak of the rainy season.
In May, San Fernando experiences a noticeable rise in humidity, reaching 84%, which closely aligns with the higher levels seen earlier in the year. This is just a slight dip from April’s 78%, setting the stage for the tropical conditions typical of the upcoming rainy months. As the city transitions into June, humidity climbs significantly to 87% and continues to ascend, peaking at 90% by September. The trend reveals a palpable shift towards a warmer, more humid climate, encouraging lush vegetation but also reminding residents of the challenges posed by the intense tropical atmosphere that dominates the latter half of the year.
In May, San Fernando experiences a UV Index of 13, classified as extreme, with a consistent burn time of just 10 minutes. This slight dip from the higher readings of 16 in both March and April indicates a marginal improvement, yet caution remains crucial as the risk of harm from unprotected sun exposure is still prominent. Over the months leading to May, the trend illustrates an overall high UV Index, peaking at 16 during the height of March and April, underscoring the importance of sun safety practices. As summer approaches, residents and visitors should stay informed and protected. For more details on UV Index trends, visit San Fernando UV Index.
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May shines brightly in San Fernando, Philippines, boasting 317 hours of sunlight, the month with the most radiant days of the year. This uptick in sunny hours follows a steady ascent from January's 227 hours, highlighting a delightful transition from the cooler winter months to the warm embrace of summer. The trend peaks in May before gradually tapering off in the following months of June and July, which still enjoy ample sunshine with 285 and 279 hours, respectively. This pattern illustrates the region’s vibrant climate, making May an ideal time for outdoor adventures and soaking up the sun’s generous rays.
As May approaches in San Fernando, Philippines, the likelihood of sunny weather shows a warm but fluctuating trend. With a 22% chance of sunshine, May stands as a transitional month, pleasantly higher than the sun-drenched peak of March at 33%, yet lower than the brighter days of April at 29%. This decline anticipates the onset of the rainy season, which begins in June, where sunlit days drop sharply to 13% and further diminish through the summer months. Overall, while May may not rival the more radiant days of earlier spring, it still offers a reasonable opportunity for basking in sunshine before the clouds 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 May, the winds in San Fernando, Philippines, show a noticeable decline, with an average speed of only 2.9 m/s (6 mph), marking the month as one of the calmest in the year. This gentle breeze contrasts sharply with the preceding months, where average winds hover around 4.0 m/s (9 mph) in April and decline further as the rainy season approaches. Following the calmness of May, July brings a resurgence with an average wind speed of 4.5 m/s (10 mph), illustrating how seasonal transitions can dramatically influence wind patterns. The overall trend indicates a pattern of fluctuating winds, swinging from breezy to tranquil as the year progresses, particularly evident between April and July.
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.
In May, temperatures are generally warmer, with a minimum of 25°C (76°F) and an average of 28°C (83°F), peaking at a maximum of 33°C (92°F). However, this month also sees significant rainfall, with 244 mm (9.6 in) of precipitation spread over 30 days and a humidity level of 84%. In contrast, January is slightly cooler, featuring a minimum temperature of 22°C (73°F) and an average of 26°C (79°F), with a maximum of 31°C (88°F). January experiences more rainfall, accumulating 300 mm (11.8 in) over 23 days, with a humidity level of 85%. For further details, check out San Fernando weather in January.
May and February exhibit notable differences in weather patterns. In May, temperatures reach a minimum of 25°C (76°F), with an average of 28°C (83°F) and a maximum of 33°C (92°F), making it feel significantly warmer overall compared to February, where the temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). Additionally, May experiences higher precipitation, totaling 244 mm (9.6 in) over 30 days, while February sees 216 mm (8.5 in) of rainfall across 21 days. Humidity levels are also slightly higher in May at 84%, compared to 80% in February. For more detailed information, you can refer to San Fernando weather in February.
In comparing the weather between May and March, May is generally warmer with average temperatures reaching 28°C (83°F), compared to March's average of 27°C (81°F). However, May also sees higher maximum temperatures, climbing to 33°C (92°F). Precipitation is significantly greater in May, totaling 244 mm (9.6 in) over 30 days, whereas March experiences 164 mm (6.4 in) across 19 days, indicating a wetter environment in May. Additionally, the humidity in May is higher at 84%, compared to 77% in March, contributing to a more muggy atmosphere. For more detailed weather insights, check the link: San Fernando weather in March.
In comparing the weather of April and May, both months exhibit similar average temperatures, with May maintaining a minimum of 25°C (76°F) and an average of 28°C (83°F), while April has a minimum of 23°C (73°F) and the same average. However, May experiences significantly higher precipitation, with 244 mm (9.6 in) over 30 days compared to April's 109 mm (4.3 in) over 18 days. Additionally, humidity levels rise from 78% in April to 84% in May, indicating a much more humid environment as the year progresses. For more detailed information about the weather in April, see San Fernando weather in April.
In comparing the weather between May and June, we see that both months experience similar temperature ranges, with minimum temperatures consistently around 25°C (76°F) and average highs slightly varying—May reaching up to 33°C (92°F) while June peaks at 32°C (90°F). However, June tends to be wetter, accumulating 356 mm (14.0 in) of precipitation over 28 days, compared to May's 244 mm (9.6 in) over 30 days. Additionally, June has a higher humidity level at 87%, compared to May's 84%. For a detailed look at June's weather conditions, you can visit San Fernando weather in June.
In May, the weather tends to be warm with a minimum temperature of 25°C (76°F) and an average of 28°C (83°F), peaking at a maximum of 33°C (92°F). However, it experiences significant rainfall, with a total precipitation of 244 mm (9.6 in) spread across the month, and high humidity levels of 84%.
In contrast, July remains similarly warm with slightly lower average temperatures, ranging from a minimum of 24°C (76°F) to an average of 27°C (81°F) and a maximum of 32°C (89°F). Nevertheless, July sees increased rainfall, amassing 378 mm (14.9 in) throughout the month, alongside even higher humidity at 88%. For more details, you can check the San Fernando weather in July.
May and August exhibit similar warm temperatures, with May having slightly higher averages. In May, temperatures range from a minimum of 25°C (76°F) to a maximum of 33°C (92°F), whereas August sees a minimum of 24°C (76°F) and a maximum of 31°C (89°F). However, August experiences increased precipitation, totaling 320 mm (12.6 in) over 29 days compared to May's 244 mm (9.6 in) over 30 days. Additionally, humidity levels rise in August to 89%, surpassing May’s 84%. For more detailed information on August weather patterns, visit San Fernando weather in August.
In comparison to September, May tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C to a maximum of 33°C. Despite this, May experiences significant rainfall, accumulating around 244 mm over 30 days, leading to a humidity level of 84%. In contrast, September sees a slight dip in temperatures, averaging between 24°C and 32°C, but it has higher precipitation, reaching 361 mm over 28 days, and a humidity level of 90%. Therefore, while both months are characterized by their warm and humid conditions, September tends to be wetter and more humid than May. For more details, check out San Fernando weather in September.
In May, temperatures in San Fernando range from a minimum of 25°C to a maximum of 33°C, with an average of 28°C. The month experiences significant rainfall, totaling 244 mm over 30 days, and high humidity at 84%. In contrast, October sees slightly cooler temperatures, with a minimum of 24°C, an average of 27°C, and a maximum of 31°C. However, it experiences even higher precipitation, amounting to 353 mm over the same number of days, and a marginal increase in humidity at 87%. This comparison highlights that while both months are warm and humid, October is characterized by more rainfall and slightly cooler temperatures. For more information, check out San Fernando weather in October.
In comparing the weather of May and November, we see that May tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C (76°F) to a maximum of 33°C (92°F), while November features a more moderate range, with temperatures from 24°C (75°F) to 31°C (88°F). Both months experience significant rainfall, but November receives more precipitation, totaling 283 mm (11.1 in) over 29 days compared to May's 244 mm (9.6 in) over 30 days. Additionally, November is characterized by higher humidity levels at 90%, compared to May's 84%. For a detailed look at November weather patterns, you can check out San Fernando weather in November.
May and December showcase distinct weather patterns in San Fernando. In May, temperatures range from a minimum of 25°C (76°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). The month presents considerable precipitation, totaling 244 mm (9.6 in) over 30 days, and humidity averaging 84%. In contrast, December experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), averaging 27°C (80°F). However, it's a wetter month, receiving 392 mm (15.4 in) of rainfall over 29 days and higher humidity at 91%. For more specific details on December's climate, check out San Fernando weather in December.
As May unfolds in San Fernando, the weather takes on a distinct character that sets it apart from other months. With a warm average temperature of 28°C (83°F), this month embraces the heat, peaking at a maximum of 33°C (92°F). The humidity tends to be quite high, at around 84%, making the air feel more sultry. Additionally, May brings a considerable amount of rain, with precipitation spread over 30 days, totaling 244 mm (9.6 in). This not only highlights the transition to the wet season but also keeps the landscape lush and vibrant. For a deeper understanding of how May fits into the broader context of San Fernando's climate, check out San Fernando Climate.