Last updated: August 27, 2025
Nestled in the scenic landscape of La Union, Philippines, May unveils a tropical climate characterized by warm temperatures and high humidity. With maximums reaching up to 33°C (91°F) and an average of 28°C (82°F), the days are notably warm, while nighttime temperatures dip to a comfortable 24°C (75°F). May is also marked by significant rainfall, accumulating 178 mm (7.0 in) over 27 days, making it one of the wetter months of the year. The humidity level sits at a steamy 83%, shaping an atmosphere that is both lush and vibrant, perfect for those who appreciate the rich, tropical weather of this stunning coastal region.
In May, La Union, Philippines experiences a delightful transition into the warmest months of the year, marked by a minimum temperature of 24°C (75°F) and a maximum reaching 33°C (91°F). This month boasts an average temperature of 28°C (82°F), making it notably warmer than the preceding months, as April's warmest day peaks at just 32°C (89°F). The gradual ascent in temperatures from January's cool 23°C (73°F) to May's balmy conditions showcases the approaching summer, offering a perfect backdrop for beach activities and outdoor adventures. As the humidity increases, visitors can expect a vibrant atmosphere that encapsulates the essence of tropical island life, promising sun-soaked days and warm nights.
In May, La Union experiences a significant uptick in precipitation, with 178 mm (7.0 in) falling over the course of 27 days. This marks a notable increase from the drier months of March and April, highlighting a transition into the region's rainier season. Compared to the previous month, May's rainfall reflects a gradual buildup that leads into the more intense rainy months of June and July, which both see even higher precipitation levels. This pattern underscores a consistent trend as La Union moves from the milder spring season into a wetter summer, shaping the local climate and ecosystem. The frequency of rain in May hints at a vibrant lushness that emerges in the surrounding landscape, setting the stage for the lush greenery typical of the upcoming months.
As May arrives in La Union, the humidity begins to dip slightly, settling at 83%. This marks a gradual decline from the consistently high levels of 90% observed in the earlier months of the year, such as January through March. Following the peak humidity of April at 88%, May introduces a trend of decreasing moisture in the air as the region transitions into the mid-year months. By June, the humidity further decreases to 81%, suggesting that while La Union experiences a tropical climate, the latter part of May signals the start of slightly drier days ahead, offering a brief respite from the muggy conditions typical of the early months. This subtle shift provides a refreshing touch as the dry season approaches, making May an ideal time for outdoor adventures.
In May, La Union continues to experience an extreme UV Index, measured at 14, which aligns closely with the UV levels of previous month, April, and slightly lower than the peak in March. With a consistent burn time of just 10 minutes, sun safety remains paramount for residents and visitors alike. This trend of high UV exposure isn't unique to May, as the preceding months from January to April also displayed similarly extreme indices, emphasizing the need for protective measures during this vibrant summer season. As one looks forward to enjoying the beautiful beaches, keeping an eye on the UV Index is crucial for a safe and enjoyable experience. For more insights, please check La Union UV Index.
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As May rolls in, La Union, Philippines basks in an impressive 318 hours of sunshine, marking the peak of its radiant dry season. This month stands out not just for the warmth it brings but also for the consistent upward trend seen since January, where hours of sunlight gradually increase from 223 hours to a sunny crescendo. With each passing month, La Union transitions from the cooler days of January and February to a vibrant April, and then bursts into the full brilliance of May. Following May, June experiences a slight dip to 294 hours, but the overall pattern reflects a strong sun-kissed atmosphere that characterizes this beautiful coastal region. Whether you’re lounging on the beach or surfing its famous waves, May surely delivers an invigorating dose of sunshine, marking it as a perfect time to soak in the charm of La Union.
In La Union, Philippines, May experiences a mild chance of sunny weather, with the likelihood sitting at 17%. This places May slightly below the peak sunlight month of March, which boasts a 28% chance, while it also follows the higher probabilities of April and February. As spring transitions into early summer, the sunny outlook begins to wane slightly, reflecting a trend towards increasing cloudiness that rolls in with the approaching monsoon season. Notably, the months preceding and following May, particularly June and July, also show lower chances for sun, hovering around 18% and 14% respectively. Thus, while May offers some opportunities for sunshine, it hints at the shifting climate patterns characteristic of this tropical paradise.
In La Union, Philippines, the daylight duration reveals a fascinating pattern throughout the year. From January to February, residents enjoy a steady 11 hours of daylight, ideal for cozy gatherings and leisurely activities. As spring approaches in March, daylight begins to stretch to 12 hours, ushering in a vibrant energy that continues through April and May. These longer days signal the onset of the sweltering summer, with consistent 12-hour spans extending into the heart of the season. Remarkably, daylight remains stable at 12 hours until September, reflecting the region's tropical climate. As the year transitions into the cooler months, the duration gradually decreases back to 11 hours by October through December, providing a comforting rhythm that mirrors the cyclical nature of life in this beautiful locale.
In May, La Union experiences a gentle average wind speed of 1.8 m/s (4 mph), slightly higher than the preceding months of March and April, which showcase a pattern of fluctuating winds in the early spring. As the region transitions into summer, the winds remain relatively calm, contributing to the serene atmosphere perfect for beach activities and leisurely strolls. Interestingly, while the wind speeds in April and June hover around the same average, it's notable that they do not deviate significantly through the summer months, maintaining a comfortable consistency that enchants both locals and tourists alike. The steady winds of May set the tone for the months ahead, hinting at the warm, inviting days that define the region’s tropical charm.
Weather in La Union varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in La Union, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May is generally warmer than in January, with average temperatures reaching up to 28°C (82°F) compared to January's 26°C (79°F). May also experiences higher maximum temperatures, peaking at 33°C (91°F) versus January's 30°C (87°F). However, January has a higher total precipitation of 241 mm (9.5 in) over 23 days, while May receives 178 mm (7.0 in) across 27 days, indicating a slightly wetter month despite fewer total days of rain. Humidity levels are notably higher in January at 90%, compared to May's 83%. For more detailed insights on January weather, visit La Union weather in January.
In comparing the weather in May and February, May generally experiences warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (91°F), while February has slightly cooler averages, ranging from a minimum of 21°C (71°F) to a maximum of 30°C (87°F). Both months are quite humid, with February slightly higher at 90% compared to May's 83%. In terms of precipitation, February has more rainfall, totaling 209 mm (8.2 in) over 20 days, while May has 178 mm (7.0 in) spread across 27 days. For a closer look at February weather specifics, feel free to check La Union weather in February.
In comparing the weather of May and March, May tends to be warmer overall, with average temperatures reaching up to 28°C (82°F) compared to March’s average of 26°C (80°F). The maximum temperatures in May can soar to 33°C (91°F), while March peaks at 31°C (88°F). Both months experience significant rainfall, but May sees more with 178 mm (7.0 in) across 27 days, compared to March's 139 mm (5.5 in) over 19 days. Humidity levels are slightly lower in May at 83%, compared to the higher 90% in March, contributing to a more steamy atmosphere during the latter month. For a detailed look at the weather specifics in March, you can visit La Union weather in March.
In comparison to April, May experiences slightly warmer temperatures, with an average of 28°C (82°F) compared to April's 27°C (81°F). While both months see minimal differences in minimum and maximum temperatures, May's higher average temperature peaks at 33°C (91°F) versus April's 32°C (89°F). Precipitation also increases in May, with 178 mm (7.0 in) over 27 days, compared to April's 148 mm (5.8 in) over 17 days. Additionally, humidity levels are slightly lower in May at 83%, compared to 88% in April, creating a marginally more comfortable atmosphere. For more details on April's weather, visit La Union weather in April.
May and June present somewhat similar weather patterns, but with notable differences. In May, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), averaging around 28°C (82°F). This month experiences 178 mm (7.0 in) of rainfall over 27 days, contributing to a high humidity level of 83%. In contrast, June slightly raises the minimum temperature to 25°C (76°F) while the average temperature falls to 27°C (82°F) and the maximum drops to 32°C (89°F). Rainfall increases to 238 mm (9.4 in) over 26 days, accompanied by slightly lower humidity at 81%. For more detailed information on June weather in La Union, check out La Union weather in June.
In comparing the weather between May and July, both months exhibit warm temperatures, with May experiencing slightly higher maximums at 33°C (91°F) compared to July's max of 32°C (90°F). While the minimum temperatures are similar, with May at 24°C (75°F) and July at 24°C (76°F), the average temperature is a tad lower in July at 27°C (82°F), whereas May sees an average of 28°C (82°F). Rainfall is more pronounced in July with 212 mm (8.3 in) over 23 days, compared to May's 178 mm (7.0 in) across 27 days, contributing to a slightly lower humidity level in July at 80% versus 83% in May. For more details on weather specifics, refer to La Union weather in July.
In May, temperatures typically range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), with an average of 28°C (82°F). The month experiences significant rainfall, with 178 mm (7.0 in) of precipitation spread over 27 days and high humidity levels at 83%. In contrast, August also sees a minimum temperature of 24°C (76°F) and an average of 28°C (82°F), but the maximum temperature is slightly lower at 32°C (90°F). Precipitation in August is less, totaling 152 mm (6.0 in) over 22 days, accompanied by a slightly lower humidity of 81%. For more detailed insights about the weather in August, you can refer to La Union weather in August.
In May, the weather tends to be warmer, with average temperatures peaking at 28°C (82°F) and maximums reaching 33°C (91°F). The month experiences significant rainfall, with 178 mm (7.0 in) of precipitation spread over 27 days, accompanied by high humidity at 83%.
In contrast, September offers slightly cooler temperatures, averaging 27°C (82°F) and with a maximum of 32°C (89°F). While rainfall is also prevalent in September, it is slightly less, with 165 mm (6.5 in) of precipitation over 22 days. The humidity remains similar, at 84%. For more details on September weather, you can check La Union weather in September.
In comparing the weather of May and October, both months share a similar minimum temperature of 24°C (75°F) and exhibit high humidity levels, but October is generally cooler with an average temperature of 27°C (81°F) compared to May's 28°C (82°F). While both months experience 27 days of precipitation, October sees a slight increase in total rainfall, measuring 222 mm (8.7 in) versus May's 178 mm (7.0 in). Overall, October's weather is characterized by slightly lower temperatures and higher precipitation, making it a more humid month. For more detailed information on October weather, you can check La Union weather in October.
In May, the weather tends to be warmer with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), while November sees slightly cooler temperatures, with the average ranging from 21°C (71°F) to 31°C (88°F). Both months experience high humidity levels, hovering around 83% in May and 84% in November, creating a tropical atmosphere. Precipitation is notable in both months, with May receiving 178 mm (7.0 in) over 27 days and November experiencing a similar level of rainfall at 189 mm (7.4 in) across 25 days. For a detailed look at November's weather, you can visit La Union weather in November.
In May, the weather typically features warm temperatures, with minimums around 24°C (75°F) and maximums reaching up to 33°C (91°F), along with an average of 28°C (82°F). However, this month is marked by significant rainfall, with 178 mm (7.0 in) of precipitation spread over 27 days and a humidity level of 83%. In contrast, December presents slightly cooler conditions, with minimum temperatures of 23°C (74°F) and maximums peaking at 31°C (88°F), while averaging around 27°C (80°F). December experiences even more rainfall, totaling 264 mm (10.4 in) over 28 days, accompanied by higher humidity at 88%. For more details on December weather, you can visit La Union weather in December.
As May arrives in La Union, the weather takes on a distinct character, marked by higher temperatures and increased humidity compared to earlier months. With an average temperature hovering around 28°C, the warmth draws locals and visitors alike to the region's beautiful beaches. However, the notable increase in precipitation, with rain gracing the area on 27 days of the month, brings a refreshing contrast to the sunny spells, fostering the lush landscapes that define this time of year. If you're keen to explore what this vibrant season has to offer, delve deeper into the nuances of La Union's climate at La Union Climate.