Last updated: August 21, 2025
In May, La Union, Ecuador experiences a cool and often wet climate, with maximum temperatures reaching 19°C (66°F) and an average of 11°C (53°F). The minimum temperature can drop to a chilly 5°C (41°F), making warmer attire essential for outdoor activities. This month is characterized by substantial precipitation, totaling 215 mm (8.5 in), spread across 28 days of rain, resulting in a notable humidity level of 92%. Visitors to La Union in May should be prepared for a lush, green landscape, reflecting the region’s vibrant ecosystem stimulated by the frequent rainfall.
In May, La Union, Ecuador, experiences a subtle transition in temperatures, with minimums hovering around 5°C (41°F) and averages dipping slightly to 11°C (53°F). The maximum temperatures reach 19°C (66°F), reflecting a decrease compared to the warmer months at the start of the year. This month marks a notable trend towards cooler weather as the region approaches mid-year. As temperatures gradually fall, visitors can expect a refreshing chill in the air, ideal for enjoying the stunning landscapes without the intensity of summer heat. The overall mild climate in May makes it a perfect time for exploring the natural beauty of the area while sipping on a warm cup of local coffee.
In May, La Union, Ecuador, experiences a significant yet balanced flow of precipitation, receiving 215 mm (8.5 inches) of rain over 28 days. This month showcases a slight decline from April's wetter climate, but rainfall remains consistently abundant, reinforcing the region's characteristic lushness. As part of the overall trend throughout the first half of the year, May stands out with precipitation levels just above January and significantly below the peak in March at 294 mm. The relatively high number of rainy days emphasizes the region's tropical setting, contributing to vibrant ecosystems that thrive amidst the rhythmic patterns of wet weather. As the year progresses, La Union gradually transitions into a drier period, culminating in markedly less rainfall in the subsequent months.
May in La Union, Ecuador, marks a notable peak in humidity, soaring to 92%, the highest level for the year. This increase is part of a broader trend observed in the warmer months, where humidity rises gradually from 81% in January to this peak in May. Following this high, the humidity begins to decrease through the latter part of the year, with July and August experiencing significantly drier conditions at 67% and 57%, respectively. Overall, the transition from spring to summer in La Union is characterized by an embrace of warmth and moisture, creating a lush and vibrant environment, while the subsequent months bring relief with lower humidity levels.
In May, La Union, Ecuador, experiences a high UV Index of 17, categorized as extreme, which indicates a burn time of just 10 minutes. This month follows a series of intense UV readings throughout the year, peaking in March at an index of 19. Notably, the UV levels begin to show a slight decline from April's peak of 18, but still maintain the extreme exposure category, highlighting the necessity for sun protection. As the months progress into June and July, the UV Index remains elevated around 14, illustrating that even early summer requires vigilance against sunburn. For more detailed UV trends and updates, visit La Union UV Index.
UV Risk Categories
May in La Union, Ecuador, shines brightly with an impressive 270 hours of sunshine, showcasing the peak of spring's warmth and vibrancy. This month not only stands out for its abundant light but also marks a continuation of a gradual increase since January, where sunny days began at 219 hours. Following this upward trend, La Union experiences its sunniest months in the latter part of the year, with July and August hitting 287 and 321 hours, respectively. As summer approaches, the town basks in nearly constant rays, demonstrating Ecuador’s enchanting, sun-kissed landscape throughout the year. With each passing month, La Union invites sun-seekers to embrace its exceptional climate and enjoy the stunning surroundings.
As May arrives in La Union, Ecuador, the likelihood of sunny weather begins to brighten up, with a 14% chance of sun. This marks a noticeable increase from the preceding months of January through April, where the chances hovered between 6% and 11%. The trend continues to improve as the region approaches the mid-year months; June and July boast even higher probabilities of sun, reaching 19% and 21%, respectively. This gradual rise hints at a transition into a sunnier season, making May an enticing time for outdoor activities and soaking up the pleasant Ecuadorian sun.
In La Union, Ecuador, daylight duration exhibits a consistent pattern throughout the year, with 12 hours of daylight dominating from January through April. As May arrives, however, the days shorten slightly to 11 hours, a trend that continues through to July. This dip in daylight serves as a gentle prelude to the return of longer days in August and beyond, as the region stabilizes back to the familiar 12-hour daylight rhythm from August to December. The transition offers a fascinating glimpse into the balance of light and darkness that characterizes the equatorial climate, lending a unique charm to the changing seasons.
In La Union, Ecuador, the winds in May begin to shift, featuring an average speed of 1.8 m/s (4 mph). This slight uptick from the previous months suggests a gentle awakening of the breezy conditions that are expected to intensify in the following months. As spring transitions to early summer, the wind patterns are setting the stage for a gradual increase, with subsequent months like July witnessing even more noticeable winds, peaking at 2.1 m/s (5 mph). This trend indicates an evolving climate rhythm, inviting outdoor enthusiasts to enjoy the balmy yet brisk conditions that accompany the transition between seasons. The consistent wind speeds of early months yield to a refreshing momentum, making May a delightful time to experience the natural beauty of the area.
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.
May and January exhibit fairly comparable weather conditions, though with some notable differences. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), with an average temperature of 11°C (53°F). The month is characterized by high precipitation levels, totaling 215 mm (8.5 in) over 28 days, along with a high humidity of 92%. In contrast, January sees slightly higher temperatures, with a minimum of 5°C (41°F) and a maximum of 20°C (68°F), averaging 12°C (53°F). Precipitation in January is similarly substantial at 211 mm (8.3 in) but occurs over fewer days, just 25, and the humidity is lower at 81%. For more details, check out La Union weather in January.
When comparing the weather in May and February, both months exhibit similar temperature ranges, with averages hovering around 11°C (53°F) in May and 12°C (54°F) in February. However, February tends to be slightly wetter, receiving 240 mm (9.4 in) of precipitation compared to May’s 215 mm (8.5 in). Interestingly, while both months experience rainfall on about 28 days, the humidity in May is notably higher at 92%, compared to February's 79%. This difference in humidity can affect the overall comfort of the days. For more detailed insights into February weather, check La Union weather in February.
In comparing the weather between May and March, both months present mild temperatures, with March exhibiting slightly higher averages: a minimum of 5°C, average of 12°C, and maximum of 20°C, compared to May's minimum of 5°C, average of 11°C, and maximum of 19°C. However, March sees considerably more precipitation, totaling 294 mm over 30 days, versus May's 215 mm over 28 days. The humidity levels are relatively high in both months, with May at 92% and March at 85%. For more detailed insights, you can check La Union weather in March.
In comparing the weather of April and May, we observe some similarities and differences. April has slightly higher temperature averages, with a minimum of 6°C (42°F) and a maximum of 20°C (68°F), compared to May's range of 5°C (41°F) to 19°C (66°F). However, May experiences more precipitation overall, totaling 215 mm (8.5 in) over 28 days, while April records 242 mm (9.5 in) across 29 days. Humidity levels are also slightly higher in May at 92% compared to April's 88%. For a detailed look at April's weather in this region, you can visit La Union weather in April.
Comparing the weather in May and June, we observe some noteworthy differences. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), with an average of 11°C (53°F). This month also experiences significant precipitation, totaling 215 mm (8.5 in) over 28 days and high humidity at 92%. June, on the other hand, presents slightly cooler conditions with temperatures dipping to a minimum of 3°C (38°F) and a maximum of 18°C (64°F), boasting an average temperature of 10°C (51°F). The rainfall decreases to 165 mm (6.5 in) over 24 days, and humidity drops to 87%. For more detailed weather patterns, you can check La Union weather in June.
In May, the weather tends to be cooler with a minimum temperature of 5°C (41°F) and an average of 11°C (53°F), peaking at a maximum of 19°C (66°F). This month experiences significant rainfall, with 215 mm (8.5 in) spread over 28 days, resulting in high humidity levels at 92%. In contrast, July features slightly lower temperatures, with a minimum of 1°C (34°F) and an average of 9°C (49°F), while the maximum reaches 18°C (64°F). Rainfall is also reduced in July, totaling 157 mm (6.2 in) over 23 days, and humidity drops to a more comfortable 67%. For a detailed look at the weather specifics, you can check La Union weather in July.
In May, the weather tends to be cooler and wetter, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 19°C (66°F) and an average of 11°C (53°F). This month also sees significant rainfall, with about 215 mm (8.5 in) of precipitation over 28 days, contributing to a high humidity level of 92%. In contrast, August offers milder conditions, as temperatures drop slightly to a range of 2°C (36°F) to 18°C (65°F) with an average of 9°C (49°F). Rainfall is much lighter in August, totaling around 109 mm (4.3 in) over 20 days, and the humidity is notably lower at 57%. For a closer look at the specifics of August weather, you can visit La Union weather in August.
May and September present contrasting weather, with May generally being warmer and wetter than September. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F) with an average of 11°C (53°F). This month experiences significant rainfall, totaling 215 mm (8.5 inches) over 28 days, coupled with high humidity at 92%. In contrast, September feels cooler, with temperatures ranging from 3°C (38°F) to 18°C (64°F) and an average of 10°C (50°F). The precipitation also drops notably to 88 mm (3.5 inches) over 16 days, and humidity is lower at 62%. For more detailed information about September weather, you can check La Union weather in September.
Both May and October feature similar temperature ranges, with minimums around 5°C (41°F) and 4°C (40°F), respectively, and maximums reaching 19°C (66°F) in both months. However, May tends to be wetter, receiving 215 mm (8.5 in) of precipitation compared to October's 181 mm (7.1 in). Despite the similar number of rainy days (28), May's humidity is significantly higher at 92%, while October's humidity is more comfortable at 77%. This makes October feel less damp than May, providing a more enjoyable outdoor experience. For a closer look at the climate specifics, you can visit La Union weather in October.
May and November present similar average temperatures, hovering around 12°C (53°F), but with distinct characteristics in their weather patterns. May typically sees slightly warmer temperatures, with a maximum of 19°C (66°F) compared to November's 20°C (68°F). However, November experiences higher overall precipitation, totaling 255 mm (10.0 in) over 29 days, compared to May's 215 mm (8.5 in) across 28 days. Interestingly, the humidity is more pronounced in May at 92%, while November has a slightly lower humidity of 82%. For those interested in a deeper look at November's weather, you can find more information here: La Union weather in November.
May and December show similar temperature ranges, with both months experiencing minimum temperatures around 5°C (41°F) and maximums peaking at 19°C (66°F). However, May has a slightly cooler average temperature of 11°C (53°F) compared to December's 12°C (54°F). Precipitation is notably higher in December, with 275 mm (10.8 in) over 30 days, in contrast to May's 215 mm (8.5 in) spread across 28 days. Additionally, humidity is slightly higher in May at 92%, while December's humidity stands at 86%. For more detailed weather information, you can check La Union weather in December.
As May unfolds in La Union, the weather embarks on a unique journey, characterized by its cool temperatures and considerable precipitation. Unlike the warmer months that precede it, May sees a drop in temperature, with the days marked by an average chill that dips close to 11°C. The region experiences persistent rain, gracing 28 days of the month with moisture, contributing to a notably high humidity level of 92%. This makes May a stark contrast to the drier periods, creating a lush and vibrant landscape. For a deeper understanding of the weather patterns throughout the year, explore La Union Climate.