Last updated: August 27, 2025
May in San Juan, Philippines presents a warm and humid climate, with maximum temperatures soaring up to 32°C (89°F) and an average of 28°C (83°F). The weather is characterized by a minimum temperature of 24°C (76°F), making it a season where light attire is a must. However, while basking in the warmth, residents and visitors should also prepare for frequent rainfall, totaling 157 mm (6.2 in) over approximately 23 days this month. With humidity levels hovering around 77%, May embodies the tropical essence of the Philippines, offering a dynamic blend of sunshine and showers.
In May, San Juan, Philippines, experiences the delightful onset of warmer temperatures, with a minimum of 24°C (76°F) and an average of 28°C (83°F). The maximum reaches up to 32°C (89°F), making it a beautiful time to enjoy the outdoors. This month sees a slight rise in evening warmth compared to April, reflecting a trend of increasingly mild nights as summer approaches. The combination of warm days and balmy nights creates the perfect atmosphere for beach outings and late-night strolls. As the month progresses, the consistent warmth hints at the impending rainy season, yet the inviting temperatures remain perfect for soaking up the sun.
May in San Juan, Philippines, marks a dramatic shift in precipitation patterns, receiving a substantial 157 mm (6.2 in) of rain over 23 days. This significant increase compared to the preceding months highlights the onset of the wet season, where rainfall escalates as the year progresses. April's wetter days foreshadowed this trend with 28 mm (1.1 in) spread across 6 days, but nothing prepares the landscape for the robust downpours that characterize May. The months ahead see even more intense rainfall, with June to August reaching their peak. Notably, the consistency of rain during May sets the stage for the upcoming monsoon, making it a pivotal time for both agriculture and local ecosystems in the region.
May in San Juan, Philippines, marks a notable transition in humidity levels, reaching 77%—an increase from the drier months preceding it. This spike mirrors the higher humidity typically experienced in the earlier summer months, reflecting a gradual rise that begins in late spring. As the temperatures warm, this humidity trend continues to intensify, with June bringing a significant jump to 85% and peaking in late summer and early fall. The consistency in humidity levels from January through April gradually gives way to a pronounced increase, highlighting that as the year progresses, San Juan experiences a shift towards a much more humid climate, making May a pivotal month in this atmospheric transition.
As you step into May in San Juan, Philippines, prepare for an extreme UV Index of 13, which means you'll need to be extra cautious with sun exposure. This month continues the trend set by April, characterized by a consistent burn time of just 10 minutes. The UV levels this time of year are among the highest, following the pattern established in earlier months, particularly March and April with their peak values of 14. As summer approaches, it’s crucial to prioritize sun protection, as these high values can lead to quick sunburns. Don’t forget to plan your outdoor activities wisely and check more about the local UV conditions at San Juan UV Index.
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As May unfolds in San Juan, Philippines, the region basks in an impressive 320 hours of sunshine, marking it as one of the sunniest months of the year. This peak in sunlight follows a gradual upward trend that began in January with 240 hours, rising steadily through the early months. Following the exuberant brightness of May, the daylight begins to recede slightly in June with 285 hours, but overall, the months leading up to mid-year consistently showcase a vibrant sun-soaked atmosphere. The sun’s unwavering presence not only enhances the beauty of San Juan’s beaches but also invites locals and visitors alike to indulge in outdoor activities, creating a lively summer vibe that makes this coastal paradise truly irresistible.
In San Juan, Philippines, May offers a promising chance of sunny weather with a 64% likelihood of sunshine, making it a delightful time for outdoor activities and beach outings. As the dry season transitions into the warmer months, the sun's presence remains relatively stable, slightly declining from April's 66% but still outshining the rainy months ahead, particularly June and July, which drop dramatically to 16% and 18% respectively. Following a trend of increasing sunshine from January through April, May retains a favorable chance of clear skies, offering residents and visitors alike the perfect opportunity to enjoy San Juan's beautiful environment before the rainfall returns.
In San Juan, Philippines, the daylight duration subtly shifts throughout the year, creating a unique rhythm of light and shadow. January and February enjoy a consistent 11 hours of daylight, providing a gentle start to the year. As spring approaches, March and April see a gradual increase, with daylight stretching to 12 hours, hinting at the warmth to come. The peak of daylight in May mirrors this trend, maintaining that lush 12-hour stretch before transitioning into the longer days of June and July, where daylight peaks at 13 hours. This extended brilliance briefly recedes in late summer, returning to 12 hours by August and September, before reverting to the comforting 11 hours of light that characterizes the final quarter of the year. This cyclical pattern reflects not just the passage of time, but also the vibrant life that flourishes under San Juan’s tropical sun.
In San Juan, Philippines, the month of May marks a noticeable dip in wind speed, averaging just 2.0 m/s (4 mph), making it one of the calmest months of the year. This reduction follows a gradual decline from April's 3.3 m/s (7 mph) and is a stark contrast to the more dynamic winds of earlier months. As summer approaches, the trends reveal a pattern where January's breezy 5.1 m/s (12 mph) gives way to gentler currents in the middle months, with June bouncing back to speeds of 3.6 m/s (8 mph). This gentle May breeze often invites locals and visitors alike to relish the tranquil coastal environment, providing a perfect backdrop for leisurely beach days and outdoor activities before the winds pick up again.
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
May's weather is characterized by significantly higher temperatures compared to January, with minimums around 24°C (76°F) and maximums reaching 32°C (89°F). In contrast, January enjoys milder temperatures, oscillating between a minimum of 20°C (68°F) and a maximum of 31°C (88°F). Additionally, May experiences a substantial amount of precipitation, averaging 157 mm (6.2 in) over 23 days, whereas January sees much lighter rain, with only 29 mm (1.1 in) over just three days. Despite both months having the same average humidity of 77%, the overall climate in May tends to feel much more tropical and stormy due to the higher rainfall. For a more detailed comparison, you can refer to San Juan weather in January.
When comparing the weather in May and February, notable differences emerge in temperature, precipitation, and humidity. May tends to be warmer, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (89°F), while February offers a cooler experience, with temperatures ranging from 19°C (66°F) to 31°C (88°F). Precipitation levels also vary significantly, as May experiences much higher rainfall of 157 mm (6.2 in) over 23 days, compared to February's modest 16 mm (0.6 in) over just 2 days. Humidity levels are fairly close, with May at 77% and February at 73%, but May's weather is generally more humid and rainy. For more details, you can check San Juan weather in February.
In comparing the weather between March and May, we can see some notable differences. March experiences slightly cooler temperatures with a minimum of 21°C (70°F) and an average of 27°C (81°F), while May offers warmer minimum temperatures at 24°C (76°F) and a higher average of 28°C (83°F). Both months reach a maximum of 32°C (89°F in May and 91°F in March), but March is significantly drier, with only 11 mm (0.4 in) of precipitation over just 2 days compared to May's 157 mm (6.2 in) across 23 days, making May much more humid at 77% compared to March's 71%. For more detailed information on March weather, you can check San Juan weather in March.
When comparing the weather in April and May, we see some notable differences. In May, the temperatures remain relatively stable, with a minimum of 24°C (76°F) and an average of 28°C (83°F), similar to April's 22°C (71°F) minimum and the same average of 28°C (82°F). However, May experiences significantly more precipitation, with 157 mm (6.2 in) over 23 days, compared to April's modest 28 mm (1.1 in) across just 6 days. Additionally, humidity levels are slightly higher in May at 77%, compared to April's 73%. For a closer look at April's conditions, you can check the details in San Juan weather in April.
In comparing the weather between May and June, both months show relatively consistent temperatures with minimums around 24°C (76°F), average temperatures close to 28°C (82-83°F), and maximums reaching 32°C (89-90°F). However, June experiences significantly higher rainfall, measuring 369 mm (14.5 in) over 28 days, compared to May's 157 mm (6.2 in) over 23 days. Additionally, humidity levels rise in June to 85%, compared to May's 77%. For more detailed information on June weather, you can check San Juan weather in June.
In comparing the weather patterns of May and July, both months exhibit warm temperatures, with May showing a slightly higher average of 28°C (83°F) compared to July's average of 27°C (81°F). However, humidity levels rise in July, reaching 86%, while May is comparatively lower at 77%. July also sees a significant increase in precipitation, with 533 mm (21.0 in) of rainfall over 29 days, contrasted with May's 157 mm (6.2 in) spread over 23 days. This trend indicates that while temperatures remain relatively stable, July tends to be much wetter and more humid. For more specific details, you can refer to San Juan weather in July.
May and August in San Juan present notable contrasts in weather patterns. While both months experience warm temperatures with May averaging around 28°C (83°F) and August slightly cooler at 27°C (80°F), August sees a higher maximum temperature of 31°C (87°F) compared to May's 32°C (89°F). However, the most significant difference lies in precipitation; May receives 157 mm (6.2 in) over 23 days, whereas August is considerably wetter, with 609 mm (24.0 in) across 29 days. This increase in rainfall in August contributes to higher humidity levels at 87%, compared to May's 77%. For a detailed look at weather specifics, you can check San Juan weather in August.
In comparing the weather of May and September, both months feature similar high temperatures, with maximums reaching up to 32°C (89°F). However, May tends to be slightly warmer overall with an average temperature of 28°C (83°F) compared to September's 27°C (81°F). While May experiences 157 mm (6.2 in) of precipitation across 23 days, September sees a significant increase in rainfall, totaling 343 mm (13.5 in) over 26 days. This increase in precipitation is accompanied by higher humidity in September, which sits at 87%, compared to May's 77%. For more specific insights into September's weather, you can take a look at San Juan weather in September.
In comparing the weather between May and October, both months experience warm temperatures, with average highs reaching up to 32°C (89°F). However, May tends to start warmer, with minimum temperatures around 24°C (76°F) compared to October's slightly cooler minimum of 22°C (71°F). Precipitation is more frequent in May, with rain occurring on 23 days and totaling 157 mm (6.2 in), whereas October sees rain over just 14 days but with a higher total of 165 mm (6.5 in). Additionally, October is characterized by higher humidity at 86%, compared to May's 77%. For more details on October weather, check out San Juan weather in October.
May and November present distinct weather patterns. In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (89°F), with an average of 28°C (83°F). This month experiences significant rainfall, totaling 157 mm (6.2 in) over 23 days, accompanied by a humidity level of 77%. In contrast, November features a slightly cooler climate, with temperatures dipping to a minimum of 22°C (71°F) and averaging at 27°C (81°F), while still reaching a maximum of 32°C (90°F). Rainfall is considerably less in November, averaging 71 mm (2.8 in) over just 8 days, and the humidity rises to 89%. For more details, you can visit San Juan weather in November.
In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (89°F), with an average temperature of 28°C (83°F). The month is characterized by high humidity levels at 77% and significant precipitation of 157 mm (6.2 in) across 23 days, making it a wetter period overall. In contrast, December offers slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 31°C (88°F), averaging 26°C (79°F). December experiences substantially less rainfall, recording only 27 mm (1.1 in) over just 5 days, although humidity rises to 85%. For more detailed information, you can check San Juan weather in December.
As May unfolds in San Juan, the weather takes on a distinctive tropical character, characterized by warm temperatures and high humidity, providing a taste of the summer season. While daily highs reach a sweltering 32°C, the average warmth of 28°C ensures that visitors feel the heat, especially with humidity levels hovering around 77%. Rainfall becomes a regular companion this month, with 23 days of precipitation totaling approximately 157 mm, setting May apart from the drier months just preceding it. This climatic shift influences not only daily activities but also the tranquil beauty of the region, making it a season of lush greenery and vibrant local life. For more detailed insights, explore San Juan Climate.