Last updated: August 21, 2025
In La Union, Colombia, May brings a blend of warm temperatures and high humidity, making it an intriguing month for both locals and visitors alike. With a maximum temperature reaching 27°C (81°F) and an average of 19°C (66°F), the days are generally comfortable, although nights can feel cool at a minimum of 13°C (56°F). However, be prepared for a significant precipitation amount of 423 mm (16.7 in) over the course of 30 days, resulting in frequent rain showers that contribute to the region's lush greenery. With humidity levels soaring at 93%, May in La Union offers a vibrant, yet challenging climate that fosters rich biodiversity and unique cultural experiences.
In La Union, Colombia, May ushers in a pleasant warmth with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (81°F). This month maintains a consistent average of 19°C (66°F), mirroring the comfortable climate seen in preceding months. The slight uptick in maximum temperatures from April's levels signifies the onset of summer, inviting locals and visitors alike to enjoy outdoor activities under the welcoming sun. With a stable range of temperatures, May presents an ideal time to experience the vibrant culture and breathtaking landscapes that La Union has to offer.
In May, La Union experiences a remarkable precipitation total of 423 mm (16.7 in), just slightly less than the previous month's peak. With rainfall occurring on 30 days, this consistent wetness contributes to lush landscapes and vibrant ecosystems. The month reflects a continuation of the wet season, with precipitation levels remaining robust following the highs of April (431 mm) and nestled among the heavier months of March (427 mm) and June (272 mm). As the year progresses into the drier summer months, the trend indicates a gradual tempering of rainfall, yet May firmly reinforces La Union's reputation for significant rainfall early in the year, sustaining the region’s richness and biodiversity.
As May arrives in La Union, Colombia, the humidity reaches a peak of 93%, marking one of the year's most intense periods of moisture. This significant increase from 83% in April indicates the onset of the rainy season, which continues into June and showcases a striking stability in humidity levels during these months. The data reveals a clear trend: the early months, from January to March, maintain moderate humidity between 66% and 74%, while the summer months sharply escalate, with figures declining notably in August and September, when humidity drops to a refreshing 61% and 53% respectively. This cyclical fluctuation not only highlights May's transition into the wetter season but also emphasizes the contrast with the drier months to follow, making the region's climate dynamic and engaging throughout the year.
In May, La Union, Colombia experiences an extreme UV Index of 16, highlighting the importance of sun protection as residents and visitors alike can incur sunburn in just 10 minutes of exposure. This month continues the trend established earlier in the year, with high UV levels notably peaking in March and April at 18, before slightly moderating but still remaining dangerously high as summer approaches. Consistently, every month from January through June falls within the extreme category, reinforcing a clear pattern that demands vigilance against harmful UV rays. Staying informed about the UV Index can help ensure safer outdoor activities. For detailed information, check out La Union UV Index.
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May brings pleasant sunshine to La Union, Colombia, with an impressive average of 246 hours of sunlight—just shy of the peak hours seen in June and July. As the warmth of spring unfolds, May follows a pattern of increasing daylight, building on the 250+ hours trend that emerges after March. This month acts as a gentle transition towards the sun-soaked summer, where the days steadily elongate, peaking in July with a notable 282 hours of sunshine. As May basks in these vibrant hours, it invites residents and visitors alike to enjoy outdoor adventures and the natural beauty that flourishes under the sun.
In La Union, Colombia, the likelihood of sunny weather experiences a notable shift as spring transitions into summer. May boasts a 14% chance of sunshine, matching the figures of January and August, indicating a promising start to the warmer months. As the year progresses, the sunny probabilities rise significantly, peaking in July and September with a striking 27% chance of sun. This trend suggests that while May presents a refreshing hint of sun after the drier months, it’s the summer that truly shines, inviting locals and visitors alike to bask in the warmth.
In La Union, Colombia, one remarkable feature of the region's climate is the consistency of daylight duration, which remains a steady 12 hours throughout the entire year. From January to December, residents and visitors alike can depend on this reliable rhythm of light, creating a sense of stability and predictability in daily life. This unwavering balance not only shapes the daily activities of the community but also enhances the lush landscapes and vibrant culture, allowing for outdoor adventures and dynamic experiences any month of the year. Whether basking in the sunny days of May or enjoying the refreshing evenings, the unchanging daylight is a testament to the unique allure of La Union.
In May, La Union experiences a gentle breeze with an average wind speed of 1.2 m/s (3 mph), consistent with the preceding months of January through April. This tranquil wind pattern creates an inviting atmosphere for residents and visitors alike, ideal for outdoor activities and leisurely strolls. As spring transitions into summer, wind speeds begin to pick up slightly in June, reaching 1.3 m/s, hinting at the seasonal shift. With the winds remaining predominantly calm through much of the year, May stands out as a serene month, perfectly encapsulating the peaceful coastal charm that defines La Union.
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.
In May, temperatures typically range from a minimum of 13°C (56°F) to a maximum of 27°C (81°F), with an average of 19°C (66°F). This month also experiences substantial precipitation, with 423 mm (16.7 in) falling over 30 days, leading to a high humidity level of 93%. In contrast, January has a slightly cooler temperature range, with a minimum of 9°C (49°F) and the same maximum of 27°C (81°F), averaging 18°C (65°F). Precipitation in January is less intense, totaling 312 mm (12.3 in) over 23 days and accompanied by lower humidity at 72%. For more information, you can visit La Union weather in January.
May and February both experience mild temperatures, with averages around 19°C (66°F) in May and 18°C (66°F) in February. While the maximum temperatures are similar, reaching up to 27°C (81-82°F), May tends to be wetter, with 423 mm (16.7 in) of precipitation over 30 days compared to February's 404 mm (15.9 in) over just 26 days. Additionally, May has significantly higher humidity at 93%, in contrast to February's 66%. For more detailed information, you can check out La Union weather in February.
In comparing the weather between May and March, May tends to be slightly warmer with average temperatures around 19°C (66°F) and a maximum reaching 27°C (81°F), while March averages at 18°C (65°F) and peaks at 26°C (80°F). Both months experience a similar amount of precipitation, with May receiving 423 mm (16.7 in) and March slightly more at 427 mm (16.8 in), spread across the same number of days. However, humidity levels are significantly higher in May at 93%, compared to March's 74%, making May feel much more muggy. For a more detailed look at the weather in March, you can refer to La Union weather in March.
In comparing the weather between April and May, both months exhibit similar temperature ranges, with minimums around 13°C (56°F) and averages of 19°C (66°F). However, May tends to be slightly warmer, with a maximum temperature reaching 27°C (81°F) compared to April's high of 26°C (80°F). When it comes to precipitation, May experiences a total of 423 mm (16.7 in) over 30 days, while April has slightly more rain at 431 mm (17.0 in) spread over 29 days. Additionally, May has a higher humidity level at 93%, compared to April's 83%. For a more detailed look at April's weather, you can visit La Union weather in April.
In comparing the weather between May and June, both months experience similar temperature ranges, with an average of 19°C (66°F), a minimum of around 12-13°C (54-56°F), and a maximum peaking at 27°C (80-81°F). However, May is notably wetter, with a total precipitation of 423 mm (16.7 in) spread over 30 days, compared to June's 272 mm (10.7 in) over 28 days, suggesting that June tends to be slightly drier. Both months maintain a high humidity level of 93%, contributing to a similar muggy feel. For a detailed look at June's weather, you can visit La Union weather in June.
In comparing the weather of May and July, we see some notable differences despite their similar average temperatures. May experiences slightly warmer conditions, with a minimum temperature of 13°C (56°F) compared to July's 11°C (53°F), although both months share a maximum temperature of 27°C (81°F). Precipitation is significantly higher in May, totaling 423 mm (16.7 in) over 30 days, whereas July sees only 205 mm (8.1 in) across 21 days. Additionally, May has a higher humidity level at 93%, while July's humidity drops to a more comfortable 84%. For more detailed information on July weather, you can visit La Union weather in July.
In comparing the weather of May and August, we see distinct differences in temperature and precipitation patterns. May experiences a wider temperature range, with minimums of 13°C (56°F) and maximums reaching 27°C (81°F), allowing for more variability in daily conditions. In contrast, August records slightly lower minimum temperatures at 12°C (54°F) but can peak higher, with maximums of 30°C (86°F). When it comes to rainfall, May is considerably wetter, with a total precipitation of 423 mm (16.7 in) spread over 30 days, resulting in high humidity levels at 93%. In August, however, the rainfall drops significantly to 157 mm (6.2 in) over just 18 days, and the humidity decreases to a more comfortable 61%. For those interested in a detailed look at August weather, La Union weather in August provides further insights.
May and September present contrasting weather patterns despite having similar average temperatures. In May, the temperatures range from a minimum of 13°C (56°F) to a maximum of 27°C (81°F), accompanied by significant rainfall totaling 423 mm (16.7 in) over 30 days, resulting in high humidity levels of 93%. In contrast, September offers slightly lower minimum temperatures at 12°C (53°F) and higher maximum temperatures reaching up to 29°C (85°F). The month sees considerably less precipitation at 230 mm (9.1 in) spread over 25 days, leading to a much more comfortable humidity level of 53%. Overall, September provides a drier and more pleasant climate, making it an appealing time for outdoor activities. For more details on September's weather, visit La Union weather in September.
May and October present slightly different weather patterns, though both months share relatively mild temperatures and notable rainfall. In May, average temperatures hover around 19°C (66°F) with a maximum of 27°C (81°F), while October sees a similar average of 18°C (65°F), but can peak at 29°C (84°F). Interestingly, May experiences higher humidity at 93% compared to October's more comfortable 67%. Precipitation is similar in both months, with May receiving 423 mm (16.7 in) and October just slightly more at 426 mm (16.8 in), although the number of rainy days is similar. For a closer look at October weather patterns, you can check La Union weather in October.
May and November present distinct weather patterns, reflecting the transition between seasons. In May, temperatures range from a cool minimum of 13°C (56°F) to a pleasant average of 19°C (66°F) and can peak at 27°C (81°F). This month also experiences significant rainfall, with 423 mm (16.7 in) over 30 days and a high humidity level of 93%. In contrast, November sees slightly lower temperatures, with a minimum of 11°C (53°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). While there is still considerable precipitation, totaling 375 mm (14.8 in) over 29 days, the humidity decreases to 78%. For more details on the weather conditions during this month, check out La Union weather in November.
In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 27°C (81°F), with an average of 19°C (66°F). The month is characterized by significant rainfall, totaling 423 mm (16.7 in) over 30 days, resulting in very high humidity levels of 93%. In contrast, December sees slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). Precipitation in December is slightly lower at 420 mm (16.5 in), also spread across 30 days, and the humidity is relatively lower at 85%. The weather patterns in both months indicate a wet climate, typical of this region. For more insights, check La Union weather in December.
As May unfolds in La Union, the weather takes on a distinctive character, characterized by high humidity levels and a notable amount of precipitation. While temperatures remain mild, averaging around 19°C, the month is marked by frequent rain, with nearly every day experiencing some form of precipitation. This contrasts sharply with the drier spells of earlier months, making May a time when the lush green landscapes truly thrive. For those keen on understanding how this month fits within the broader climate patterns, more details can be found at La Union Climate.