Last updated: August 21, 2025
Experience the diverse and vibrant weather of La Union, Colombia in December, where temperatures typically reach a maximum of 26°C (79°F) and dip to a minimum of 12°C (54°F), averaging around 18°C (65°F). This charming month brings ample rainfall, with 420 mm (16.5 in) of precipitation spread over 30 days, creating a lush landscape ideal for exploration. The high humidity level at 85% adds to the tropical feel, making it essential for visitors to embrace both the warmth and the wet. Whether you're strolling through the colorful streets or enjoying the rich local culture, December in La Union offers a unique and unforgettable experience.
In December, La Union, Colombia, experiences mild and pleasant temperatures, with minimums around 12°C (54°F) and averages at 18°C (65°F). As the year draws to a close, highs reach a comfortable 26°C (79°F), creating a generally inviting climate for locals and visitors alike. Notably, December's temperatures reflect an overall trend of stability, with little fluctuation compared to previous months. This consistency makes it an ideal time to explore the vibrancy and charm of La Union, as the weather is neither too hot nor too cold, allowing everyone to enjoy outdoor activities and the region's stunning landscapes.
In La Union, Colombia, December marks a noteworthy peak in precipitation, with 420 mm (16.5 in) falling over an average of 30 days. This makes it one of the wettest months of the year, closely following the previous months of October and November, which also show significant rainfall. As the year comes to a close, residents can expect consistent rain, contributing to the region's lush landscapes. Notably, December's rainfall is part of a broader trend of increasing precipitation from the drier months of June through August, highlighting the transition into the wetter season. The steady rainfall not only enriches the environment but also plays a crucial role in the agricultural practices that define this vibrant area.
In La Union, Colombia, December ushers in a notable increase in humidity, reaching 85%, which is characteristic of the wet season. This rise follows a pattern observed throughout the year, where humidity begins to climb significantly from the drier months of late summer. After dipping to a low of 53% in September, humidity starts its ascent, peaking in May and June at an impressive 93%. As the year progresses, December's levels reflect a transitional phase, slightly lower than the highest summer months but still indicative of the lush tropical climate. The general trend reveals a yearly cycle, where humidity levels ramp up towards the end of the year, providing a vivid reminder of La Union's vibrant, moisture-laden environment.
In La Union, Colombia, the UV Index shows a striking consistency throughout the year, remaining in the extreme exposure category with an average ranging from 13 to 18. December sees a UV Index of 13, slightly lower than the peak months of March and April, which hit 18. Despite this minor decline, the burn time remains consistently short at just 10 minutes, reminding residents and visitors alike of the need for protective measures against the sun's intense rays. The overall trend indicates that the region maintains a high level of solar intensity, compelling everyone to stay vigilant regardless of the season. For more detailed information, visit La Union UV Index.
UV Risk Categories
December in La Union, Colombia, embodies the enchanting transition from the vibrant summer months to the more temperate winter season. With 268 hours of sunshine, it stands out as a delightful blend of warmth and light, following the peak of 298 hours in August. The trend showcases a gradual decrease in sunshine hours as the year winds down, yet December remains steadfast with a generous offering of sunlight. This month is notably brighter than its preceding months, like November, which recorded only 223 hours. As the year closes, La Union invites visitors to bask in the golden glow, making December a perfect time to enjoy the lush landscapes and vibrant atmosphere that this beautiful region has to offer.
In December, La Union, Colombia experiences a notable dip in the likelihood of sunny weather, with only a 7% chance of sun. This trend follows a pattern observed from the previous months, particularly November, which also shares the same low sunshine probability. Interestingly, the region sees a significant increase in sunshine during the mid-year months, such as July and September, where the chances soar to 27%. As the year winds down, the declining percentages in December hint at a transition into a wetter season, underscoring the importance of planning ahead for those hoping to bask in La Union’s sun before the new year begins.
In La Union, Colombia, December marks a continuation of an impressive consistency in daylight duration throughout the year, with the sun gracing the region for a steady 12 hours each day. This uniformity reflects a unique geographical position, where the variations in daylight are minimal across the months. As December arrives, residents and visitors alike can savor the warm, sunlit days that seamlessly transition into the joyful holiday season. The dependable daylight not only illuminates the vibrant landscapes but also fosters a sense of rhythm and routine, inviting everyone to embrace the beauty of each sunlit moment in this tropical paradise.
In La Union, Colombia, the December winds offer a gentle breeze with an average speed of 1.1 m/s (2 mph), slightly lower than the earlier months in the year. Notably, the wind speed has shown a pattern of modest fluctuations, predominantly remaining around 1.2 m/s from January through April and peaking at 1.5 m/s in July and August. As the year winds down, the trend reflects a gradual decline, dipping to the year's lowest in November at 1.0 m/s, before stabilizing in December. This consistent, mild wind pattern contributes to the region's tranquil charm, making it an inviting destination for those seeking a peaceful escape amid nature's soothing whispers.
Weather in La Union varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in La Union, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit distinctive weather patterns, with December typically being warmer and wetter. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), while January sees slightly cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 27°C (81°F). Precipitation is significantly higher in December at 420 mm (16.5 in), spread over 30 days, compared to January’s 312 mm (12.3 in) over 23 days. Additionally, humidity levels are notably higher in December at 85%, while January experiences a more comfortable humidity level of 72%. For a closer look at the January weather, you can visit La Union weather in January.
December and February display quite similar weather patterns, with temperatures remaining consistent throughout both months. December sees minimum temperatures around 12°C (54°F) and averages at 18°C (65°F), peaking at 26°C (79°F). In contrast, February's temperature range includes a maximum of 27°C (82°F), maintaining the same minimum of 12°C (54°F) and an average of 18°C (66°F). Precipitation levels show only a slight difference, with December receiving 420 mm (16.5 in) over 30 days compared to February's 404 mm (15.9 in) over 26 days. Notably, December has a higher humidity level at 85%, while February experiences a lower humidity of 66%. For a more detailed look at February weather, you can visit La Union weather in February.
When comparing the weather in December and March, we find that both months feature similar average temperatures, around 18°C (65°F), with highs reaching up to 26°C (79°F) in December and 80°F in March. However, December experiences slightly higher minimum temperatures, averaging 12°C (54°F), compared to March's 11°C (52°F). Precipitation levels are quite comparable, with December receiving 420 mm (16.5 in) and March slightly higher at 427 mm (16.8 in), both spread over 30 days. Humidity levels are noticeably different, with December at 85%, contributing to a more humid atmosphere than March's 74%. For more detailed information, you can check La Union weather in March.
In December, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F). The month is characterized by high humidity levels at 85% and significant rainfall, accumulating around 420 mm (16.5 inches) over 30 days. In contrast, April sees marginally warmer temperatures, with a minimum of 13°C (56°F) and an average of 19°C (66°F), while still reaching a maximum of 26°C (80°F). Precipitation in April is slightly higher at 431 mm (17.0 inches), spread over just 29 days, and the humidity remains a bit lower at 83%. For more detailed insights on weather conditions in April, check out La Union weather in April.
In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). The month experiences significant rainfall, totaling 420 mm (16.5 in) over 30 days, while maintaining a humidity level of 85%. In contrast, May offers slightly warmer conditions, with temperatures ranging from 13°C (56°F) to 27°C (81°F) and an average of 19°C (66°F). Precipitation in May is similar, at 423 mm (16.7 in) over the same 30 days, although the humidity levels rise to 93%. For a closer look at May's climate, please visit La Union weather in May.
In December, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F). This month experiences significant rainfall, totaling 420 mm (16.5 in) over 30 days, accompanied by a humidity level of 85%. In contrast, June sees a similar temperature range, with averages from 12°C (54°F) to 27°C (80°F), but it has less precipitation at 272 mm (10.7 in) over 28 days and higher humidity at 93%. For a detailed overview of the weather during this time, check out La Union weather in June.
In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). The month is characterized by significant precipitation, totaling 420 mm (16.5 in) over 30 days, and humidity levels remain high at 85%. In contrast, July experiences slightly cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 27°C (81°F), and an average temperature of 19°C (67°F). Rainfall in July is notably lower, with 205 mm (8.1 in) over 21 days and a humidity of 84%. For a detailed look at July weather in La Union, you can check La Union weather in July.
December and August in La Union exhibit notable differences in weather patterns. December experiences cooler temperatures, with an average of 18°C (65°F) and maximums peaking at 26°C (79°F), contrasted with August's warmer climate, where temperatures average 19°C (67°F) and can reach up to 30°C (86°F). Precipitation levels also vary significantly; December is much wetter with 420 mm (16.5 in) over 30 days, while August sees just 157 mm (6.2 in) across 18 days. Additionally, humidity is higher in December at 85%, compared to the more comfortable 61% in August. For more details, you can visit La Union weather in August.
December and September exhibit notable differences in weather patterns. December experiences a temperature range between a minimum of 12°C (54°F) and a maximum of 26°C (79°F), with an average of 18°C (65°F). It is also characterized by significant precipitation, totaling 420 mm (16.5 in) across 30 days and high humidity levels at 85%. In contrast, September has a slightly warmer average temperature of 19°C (67°F) and can reach a maximum of 29°C (85°F), with the same minimum of 12°C (53°F). The precipitation in September is lower, at 230 mm (9.1 in) over 25 days, resulting in a much drier climate with a humidity level of 53%. For more detailed insights, you can check La Union weather in September.
When comparing the weather in December to that of October, we see some notable similarities and differences. Both months share a minimum temperature of 12°C (54°F) and an average temperature of 18°C (65°F). However, October experiences warmer maximum temperatures, reaching up to 29°C (84°F), compared to December's peak of 26°C (79°F). Precipitation is slightly higher in December, with 420 mm (16.5 in) over 30 days, whereas October has 426 mm (16.8 in) across 29 days. Additionally, humidity levels are higher in December at 85% compared to October's 67%. For more detailed insights on October weather, visit La Union weather in October.
December and November share similar temperature ranges, with both months experiencing a minimum temperature of around 11-12°C (53-54°F) and a maximum of 26°C (79°F). However, December is slightly wetter, receiving about 420 mm (16.5 in) of precipitation compared to November's 375 mm (14.8 in), over one more day of rain. Additionally, December has a higher humidity level of 85%, compared to November's 78%, contributing to a more humid feel in the air. For more detailed information on November's weather, you can check La Union weather in November.
As December settles in La Union, the weather transforms into a unique blend of warmth and moisture, offering a stark contrast to the rest of the year. With high humidity levels soaring to 85% and frequent rainfall throughout the month, the atmosphere feels particularly lush and vibrant. While daytime temperatures remain pleasant, averaging around 18°C, the consistent precipitation can be quite a shift from the dryer months, resulting in a notably damp landscape. This transition heralds the start of the rainy season, making December a fascinating time to experience the region's lush scenery. For a deeper understanding of the area's evolving climate patterns, check out La Union Climate.