Last updated: August 21, 2025
April in La Union, Colombia presents a vibrant tapestry of weather, characterized by temperatures ranging from a sizzling 38°C (100°F) at its peak to a comfortable 23°C (74°F) at night, averaging around 29°C (84°F). This month sees an impressive 150 mm (5.9 in) of rain spread across 23 days, contributing to the area's lush greenery. With a humidity level of 67%, the air feels warm and inviting, offering a rich experience for both locals and visitors. Embrace the lively atmosphere that April brings, where sunshine meets refreshing showers, creating the perfect backdrop for outdoor adventures.
In April, La Union, Colombia experiences warm temperatures that reflect the region's tropical climate. The month begins with a minimum of 23°C (74°F), aligning closely with February and March, while the average temperature remains stable at 29°C (84°F), slightly dipping from the 30°C highs of the prior months. On the higher end, temperatures peak at a comfortable 38°C (100°F), a small decrease compared to the soaring 39°C (103°F) seen earlier in the year. This results in a vibrant atmosphere ripe for exploration, as the warm days invite locals and visitors alike to enjoy the outdoors before the weather begins to cool in May. The trends indicate a consistent warmth throughout the first half of the year, making La Union a lively destination for those seeking sunshine and adventure.
April marks a significant transition in La Union, Colombia, as precipitation levels soar to an impressive 150 mm (5.9 in)—a sharp increase from the previous months. This rainfall is not only substantial in quantity but also frequency, with 23 days of precipitation recorded, indicating a shift into the heart of the rainy season. As the dry months of January through March see minimal rainfall, April sets the stage for what's to come, leading into even wetter months ahead, particularly May with its staggering 259 mm (10.2 in) of rain. This month’s transition highlights the region's tropical climate, characterized by a dramatic influx of moisture that fuels the lushness of the surrounding landscapes, underscoring the importance of April as a precursor to the wetter season in La Union.
In April, La Union, Colombia experiences a notable humidity level of 67%, maintaining a relatively comfortable atmosphere consistent with the previous months. As the city transitions from the dry season of early year, where January's humidity peaks at 70% and gradually decreases to 65% by March, April serves as a bridge before the onset of the wetter months. Following April, humidity levels rise significantly, with May spiking to 79% and continuing to climb, peaking at 88% in July. This trend indicates the gradual buildup of moisture in the air, preparing the region for the more humid conditions typical of late spring and summer. The overall pattern highlights a sharp contrast between the refreshing lower humidity in the early months and the muggy warmth that characterizes the later part of the year.
In April, La Union, Colombia experiences a significant surge in solar intensity with a UV Index of 15, marking it as an extreme exposure category. This upward trend continues from March, which had a UV Index of 14, highlighting the increasing intensity of sunlight as the year progresses. With a consistent burn time of just 10 minutes, it's crucial for residents and visitors alike to take precautions against sunburn, as this month paves the way for the sunny days ahead. Following this peak in UV exposure, May shows a slight decrease to an Index of 14, yet remains firmly within the extreme category. To stay informed and prepared, check out the details at La Union UV Index.
UV Risk Categories
April in La Unión, Colombia, offers a delightful blend of sunshine, with 275 hours of bright rays illuminating the landscape. While this marks a slight dip from the sunnier months of March, which boasts 323 hours, it reflects a typical trend as the region transitions into the lushness of the rainy season. Interestingly, after starting the year with 263 hours in January, the sun climbs to its highest peak in December with an impressive 313 hours, highlighting the vibrant annual cycle of light. As the days grow warmer, April's sunshine continues to invite both locals and visitors to embrace outdoor adventures, basking in the beauty of La Unión’s natural charm.
As spring unfolds in La Union, Colombia, the likelihood of sunny weather takes a noticeable dip in April, with only an 11% chance of sunshine. This marks a significant drop from earlier months, especially January's 59% and February's 52%. Following a trend of declining sunlit days, April leads into the even gloomier months of May and June, where the chances languish at just 8%. Although the sunshine diminishes, April can still offer respite from the harsher rainy season, making it a transitional month where refreshing rains can rejuvenate the lush landscape, even if the sun is shy.
In April, La Union, Colombia enjoys around 12 hours of daylight, mirroring the trend established in March and continuing through to May. This consistent daytime duration is characteristic of the region, where daylight remains rather stable throughout the year. From January to February, the hours are slightly shorter at 11 hours, but as the months progress towards the middle of the year, La Union basks in a longer, more vibrant sunshine, maintaining that delightful 12-hour mark from March until August. As the year winds down, daylight decreases again to 11 hours by October, showcasing a gentle ebb and flow of light that beautifully reflects the changing seasons in this picturesque Colombian locale.
In April, La Union, Colombia experiences a gentle average wind speed of 1.7 m/s (4 mph), slightly lower than the previous months. This subtler breeze marks a transition as the region shifts from the slightly brisk winds felt earlier in the year. The trend reveals that while the wind begins to calm after the highs of January and February, it remains consistent, echoing the serenity that accompanies the onset of the dry season. As temperatures rise into May, the wind eases further to 1.5 m/s (3 mph), creating a soothing atmosphere for both locals and visitors. This gradual decline from early spring’s breezy charm to the milder winds of late spring highlights La Union’s unique climatic rhythm, making April an ideal time for those seeking a peaceful and gentle outdoor experience.
Weather in La Union varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in La Union, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of April and January, both months present warm temperatures, with January averaging 29°C (84°F) and April also maintaining the same average. However, April experiences slightly higher maximum temperatures, reaching up to 38°C (100°F), compared to January's maximum of 37°C (99°F). Notably, April has significantly more precipitation, with 150 mm (5.9 in) spread over 23 days, while January sees much less rain—only 27 mm (1.1 in) across just 5 days. Humidity levels are relatively high in both months, but January has a slightly higher average at 70% compared to April's 67%. For more details, you can check out La Union weather in January.
April weather is characterized by warmer temperatures, with average highs reaching 38°C (100°F) compared to February's maximum of 39°C (103°F). However, February enjoys a slightly cooler average temperature of 30°C (87°F) despite its maximum being only marginally higher. A notable difference between the two months is the precipitation; April experiences significantly higher rainfall at 150 mm (5.9 in) over 23 days, while February sees minimal rainfall of just 6 mm (0.2 in) over a single day. Both months have similar humidity levels, at 67%, but the rainy conditions in April can make it feel more oppressive. For more detailed information, you can visit La Union weather in February.
In comparing the weather of April and March, April tends to be slightly cooler, with an average temperature of 29°C (84°F) compared to March's higher average of 30°C (86°F). The maximum temperatures are also marginally lower in April, peaking at 38°C (100°F) versus March's maximum of 39°C (103°F). However, April experiences significantly more precipitation, with 150 mm (5.9 in) over 23 days, whereas March sees only 48 mm (1.9 in) across 9 days. Humidity levels are comparable, with April at 67% and March at 65%. For more detailed information on March weather, visit La Union weather in March.
April and May exhibit notable differences in weather patterns, particularly in temperature and precipitation. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average temperature of 29°C (84°F). This month also experiences significant rainfall, with 150 mm (5.9 in) over 23 days and humidity levels at 67%. In contrast, May sees a slight decrease in average temperature, dropping to 28°C (83°F), with maximums reaching up to 36°C (97°F). However, it brings a higher total precipitation of 259 mm (10.2 in) across 27 days, accompanied by increased humidity at 79%. For more detailed insights into May weather, you can explore La Union weather in May.
In April, temperatures in La Union range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). The month experiences a notable level of precipitation, with 150 mm (5.9 in) falling over 23 days, and humidity averaging around 67%. In contrast, June features slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 28°C (83°F), and a maximum of 36°C (98°F). However, it sees increased rainfall, totaling 229 mm (9.0 in) over 26 days, and a higher humidity level of 87%. For more detailed information, you can check La Union weather in June.
In April, the weather typically features a minimum temperature of 23°C (74°F) and an average of 29°C (84°F), with highs reaching up to 38°C (100°F). This month sees an average precipitation of 150 mm (5.9 in) spread over 23 days, along with a humidity level of 67%. In contrast, July brings slightly warmer nights with a minimum temperature of 24°C (75°F) and a lower average of 28°C (83°F). However, the maximum temperature is a bit cooler at 36°C (96°F). The rainfall increases to 198 mm (7.8 in) over 25 days, accompanied by a higher humidity of 88%. For a more detailed look at July conditions, check out La Union weather in July.
April in La Union is characterized by higher average temperatures, peaking at a scorching 38°C (100°F) and boasting a humidity level of 67%. In contrast, August sees slightly cooler temperatures, with a maximum of 35°C (96°F) and a higher humidity of 87%. Additionally, while April experiences about 150 mm (5.9 in) of precipitation over 23 days, August is even wetter, recording 209 mm (8.2 in) across 25 days. This combination of increased rainfall and humidity in August makes it feel more tropical compared to the hot, dry conditions of April. For a deeper look at the weather specifics in August, visit La Union weather in August.
April and September exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). The month experiences significant precipitation, with about 150 mm (5.9 in) falling over 23 days, accompanied by a humidity level of 67%. In contrast, September has a slightly cooler average temperature of 28°C (82°F), with maximums reaching 35°C (95°F) and similar minimums of 23°C (74°F). However, September sees increased rainfall, totaling 209 mm (8.2 in) over 27 days, and higher humidity at 87%. For more detailed insights, visit La Union weather in September.
April and October both showcase warm temperatures, but October generally feels more humid and wetter. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F) and 150 mm (5.9 in) of precipitation over 23 days. In contrast, October sees slightly cooler temperatures, with a minimum still at 23°C (74°F) and a maximum of 36°C (96°F), averaging 27°C (82°F). However, October is significantly wetter, receiving 214 mm (8.4 in) of rain over 29 days and exhibiting higher humidity at 86%. For a more detailed look at October weather, check out La Union weather in October.
April and November in La Union present notable differences in weather patterns. While both months have a minimum temperature of 23°C (74°F), April boasts a higher average of 29°C (84°F) and can reach maximums of up to 38°C (100°F). In contrast, November's average temperature dips slightly to 28°C (82°F) with a maximum of 34°C (94°F). Precipitation is also more pronounced in November, totaling 186 mm (7.3 in) over 27 days of rain, compared to April’s 150 mm (5.9 in) over 23 days. Additionally, November experiences higher humidity, averaging 86% compared to April's 67%. For more detailed insights, you can check out La Union weather in November.
In April, the weather tends to be hotter and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (100°F) and an average of 29°C (84°F). This month also experiences significant rainfall, with 150 mm (5.9 in) of precipitation spread over 23 days, contributing to a humidity level of 67%.
In contrast, December offers slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 28°C (83°F), and a maximum of 35°C (95°F). The precipitation is much lower at 64 mm (2.5 in), occurring over 15 days, and the humidity increases to 80%. This variation highlights the transition from April's sweltering heat and frequent rain to December's milder temperatures and humidity. For further details, you can check La Union weather in December.
In April, La Union experiences a notable shift in weather patterns, with higher temperatures and increased humidity compared to the preceding months. The month is characterized by a warmer climate, with frequent rain showers contributing to a significant increase in precipitation days. This blend of warmth and wetness creates a lush and vibrant atmosphere, making April a distinct transition into the wetter season. As you plan your visit, be prepared for a mix of sunshine and rain, which adds a unique charm to this beautiful region. For more insights into the seasonal changes, explore the detailed information at La Union Climate.