Last updated: April 22, 2025
In December, La Union, Mexico, experiences a dynamic climate characterized by a maximum temperature reaching 33°C (92°F) and an average of 23°C (74°F), providing a warm yet comfortable atmosphere. Nights can be cooler, with temperatures dipping to a minimum of 12°C (55°F). The month sees approximately 99 mm (3.9 in) of precipitation over 11 days, contributing to the region's lush landscapes. Despite the rainfall, the humidity hovers around 88%, creating a tropical feel that enhances the beauty of La Union's natural surroundings. Visitors should prepare for a mix of warm days and occasional rain as they explore this vibrant locale.
In December, La Union, Mexico, enjoys a mild transition into winter with temperatures that invite outdoor exploration. The month starts with minimums around 12°C (55°F), gradually rising to an average of 23°C (74°F), and reaching a comfortable maximum of 33°C (92°F). Compared to the hotter months, December’s fluctuations signal a cooling trend while still offering plenty of warmth during the day. This unique balance makes December an appealing time to visit, as it combines pleasant weather with vibrant local culture, perfect for those looking to escape the winter chill.
December in La Union, Mexico, wraps up the year with 99 mm (3.9 in) of precipitation, marking a steady decline from the heavier rainfall experienced in the preceding months. While the region sees around 11 days of rain, this volume reflects a notable shift from the peak of 305 mm (12.0 in) in October. Such fluctuations illustrate a clear seasonal pattern, as December's precipitation is almost half that of September's 209 mm (8.2 in) and significantly lower than June’s impressive 259 mm (10.2 in). This trend not only highlights the transition from the wet season but also suggests a gradual move towards the drier months ahead, offering a reprieve from the heavier rains that characterize much of the late summer and fall.
In La Union, Mexico, December marks the arrival of peak humidity, reaching a notable 88%. Throughout the year, humidity exhibits a distinct trend, starting at a robust 83% in January and gradually declining to a low of 59% in April. However, as the mid-year approaches, a dramatic upward shift occurs, with values climbing back to the high 80s by August and persisting through the end of the year. This consistent moisture, particularly in the final months, contributes to the region's lush landscapes and vibrant ecosystems, making December a quintessential month for experiencing the rich natural beauty of La Union.
In La Union, Mexico, December marks a noticeable shift as the UV Index drops to 8, classified under the very high exposure category, resulting in a burn time of about 15 minutes. This decline signals a shift from the extreme levels experienced throughout the prior months, where the UV Index frequently peaked at 11 or 14. The months leading up to December showcased a consistent trend of heightened UV exposure, with both April and June hitting their maximum levels, demanding caution for outdoor activities. As the year concludes, residents and visitors alike can enjoy the sun with a bit more safety, though vigilance is still key. For more details on UV levels throughout the year, check the La Union UV Index.
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December in La Union, Mexico, basks in a delightful 270 hours of sunshine, marking it as a festive close to the year. As the temperature dips slightly compared to the summer months, this city still enjoys a generous amount of sunlight, fitting snugly into a trend of declining hours from the peak brightness of May and July—which boast over 300 hours each. The month transitions smoothly from the vibrant 317 hours of sunshine in May, gradually tapering through the fall to a comfortable brightness that invites holiday celebrations amidst beautiful sunsets. With festive December days enriched by golden sunbeams and crisp air, La Union serves as a perfect destination for those seeking warmth and cheer as the year ends.
In La Union, Mexico, December shines brightly with a 71% chance of sunny weather, making it one of the sunniest months of the year. This trend indicates a welcome shift from the cooler and cloudier months of late fall, as the likelihood of sunshine reclaims the spotlight after November's 48%. As the dry season approaches, December not only promises plenty of sunshine but also sets the stage for the sunnier months ahead, showcasing a clear upward trend in sunlight that peaks in early spring. Whether you're planning a beach getaway or outdoor adventures, December's sunny disposition offers a perfect backdrop for enjoying the vibrant beauty of this coastal paradise.
Throughout the year, La Union, Mexico, enjoys a captivating rhythm of daylight that brings life to its vibrant culture and stunning landscapes. Beginning with a steady 11 hours of daylight in the cooler months of January and February, the days gradually stretch as spring approaches; March through May sees an increase to 12 hours of sunlight, perfect for exploring the region's natural beauty. As summer arrives in June and July, daylight peaks at 13 hours, inviting longer days filled with adventures under the sun. However, come August, the daylight begins to recede, returning to 12 hours before tapering back to 11 hours in the autumn and winter months of October, November, and December. This annual cycle perfectly encapsulates La Union's dynamic interplay of light, making it a destination for sun-seekers year-round.
In December, La Union, Mexico, experiences a mild average wind speed of 2.1 m/s (5 mph), a slight increase from the calmer summer months. As the year winds down, the coastal breezes tend to soften, evidenced by the lowest wind speeds seen earlier from August to November. Interestingly, July stands out with the highest speed of 2.7 m/s (6 mph), marking a seasonal peak that gives way to the gentler gusts of winter. This gradual shift reflects a transition through the months, with wind speeds showing a gentle ebb and flow, making December an inviting time for both relaxed beach strolls and vibrant local celebrations under the breezy skies.
The weather in La Union changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in La Union and find detailed weather information for every month.
In December, the weather features a minimum temperature of 12°C (55°F) and peaks at 33°C (92°F), with an average of 23°C (74°F). The month experiences 99 mm (3.9 in) of precipitation over 11 days, accompanied by high humidity levels at around 88%. In contrast, January sees a slight increase in minimum temperature to 13°C (56°F) and a maximum of 34°C (93°F), while maintaining the same average of 23°C (74°F). The precipitation remains comparable at 100 mm (3.9 in) but falls over just 9 days, with humidity dropping to 83%. For a more detailed look at the weather conditions, you can check La Union weather in January.
December and February in La Union display contrasting weather patterns. December experiences a milder temperature range, with a minimum of 12°C (55°F) and a maximum of 33°C (92°F). It also sees higher precipitation, accumulating 99 mm (3.9 in) over 11 days and retaining a high humidity level of 88%. In contrast, February is slightly warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 35°C (95°F), but it enjoys significantly lower precipitation of 46 mm (1.8 in) over just 5 days and lower humidity at 76%. For more details, you can check La Union weather in February.
In December, the weather presents a warm and humid ambiance with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 33°C (92°F) and an average of around 23°C (74°F). This month experiences significant rainfall, totaling 99 mm (3.9 inches) over 11 days, contributing to humidity levels of 88%. In contrast, March sees a shift to hotter conditions, with temperatures starting at a minimum of 15°C (60°F), rising to an average of 26°C (79°F) and peaking at 37°C (99°F). Precipitation is notably lower at 36 mm (1.4 inches) over just 6 days, and the humidity drops to a more comfortable 66%. For detailed insights into March weather, you can visit La Union weather in March.
December and April present distinct weather contrasts in La Union. In December, temperatures range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). This month experiences higher humidity at 88% and receives about 99 mm (3.9 in) of precipitation over 11 days. In contrast, April boasts warmer temperatures, with a minimum of 17°C (63°F), an average of 29°C (84°F), and a peak reaching up to 41°C (106°F). The rainfall drops significantly to 49 mm (1.9 in) over just 7 days, while humidity decreases to 59%. For more details on April's conditions, you can check La Union weather in April.
When comparing the weather in December and May, notable differences emerge in temperature and humidity. December experiences milder temperatures with a minimum of 12°C (55°F) and a maximum of 33°C (92°F), while May sees higher temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 41°C (106°F). Both months receive similar levels of precipitation at 99-98 mm (3.9 in) over 11 days, but December has significantly higher humidity at 88%, compared to May's more comfortable 64%. For a closer look at May weather specifics in the region, check out La Union weather in May.
December and June exhibit striking differences in weather characteristics. In December, temperatures range from a mild 12°C (55°F) to a warm 33°C (92°F), with an average of 23°C (74°F). The month experiences significant rainfall, totaling 99 mm (3.9 in) over 11 days, accompanied by high humidity at 88%. In contrast, June is much warmer, with temperatures peaking at 38°C (101°F) and an average of 29°C (84°F). It also sees considerably more precipitation, reaching 259 mm (10.2 in) over 18 days, but with lower humidity at 69%. For more details about June weather, check out La Union weather in June.
December and July in La Union showcase distinct weather patterns. In December, temperatures range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average temperature of 23°C (74°F). The month experiences considerable humidity at 88% and receives about 99 mm (3.9 in) of precipitation over 11 days. In contrast, July sees higher temperatures, with a minimum of 22°C (73°F), an average of 29°C (85°F), and a scorching maximum of 40°C (104°F). While July has slightly less precipitation at 64 mm (2.5 in), it also endures 13 rainfall days and maintains a lower humidity level of 82%. For a closer look at the July weather specifics, check out La Union weather in July.
December and August exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). The month receives approximately 99 mm (3.9 in) of precipitation over 11 days, alongside high humidity levels at 88%. In contrast, August tends to be warmer, featuring a minimum temperature of 22°C (73°F) and peaking at 38°C (101°F), with an average of 29°C (84°F). Precipitation increases to 116 mm (4.6 in) across 19 days, with slightly lower humidity at 87%. For more details, check La Union weather in August.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 33°C (92°F) and an average of 23°C (74°F). However, it is also characterized by significant humidity at 88% and a fair amount of rainfall, totaling 99 mm (3.9 in) over 11 days. In contrast, September experiences warmer conditions, with minimum temperatures at 22°C (72°F), maximums reaching 38°C (101°F), and an average of 28°C (83°F). The month is particularly wet, boasting 209 mm (8.2 in) of precipitation spread over 23 days, while the humidity remains slightly lower at 87%. For a more detailed look at the weather in September, you can visit La Union weather in September.
In December, temperatures are generally milder with a minimum of 12°C (55°F), averaging around 23°C (74°F), and peaking at 33°C (92°F). In contrast, October tends to be warmer, with minimum temperatures at 20°C (67°F), an average of 27°C (80°F), and maximums reaching 35°C (96°F). Precipitation levels also differ significantly; December sees about 99 mm (3.9 in) over 11 days, while October experiences much heavier rainfall, totaling 305 mm (12.0 in) over 22 days. Both months share a constant humidity level of 88%, providing a similarly humid atmosphere. For a more detailed look at October's climate, visit La Union weather in October.
Comparing the weather in December to November reveals some notable differences. In December, temperatures are generally cooler, with a minimum of 12°C (55°F) and an average of 23°C (74°F), while November experiences slightly warmer conditions with a minimum of 16°C (61°F) and an average of 25°C (77°F). Additionally, December sees less precipitation, with 99 mm (3.9 in) falling over 11 days, compared to November's 169 mm (6.6 in) across 16 days. Both months maintain high humidity levels of 88%. For more details, you can check La Union weather in November.
As December rolls into La Union, the weather distinctively shifts from the hotter months, offering a refreshing change with cooler temperatures. This month's average warmth is accompanied by relatively high humidity, creating a pleasant, albeit sometimes damp, atmosphere. While precipitation is more frequent with about 11 rainy days, the rain often brings a welcome respite from the heat, leading to lush green surroundings. Overall, December provides a unique blend of warmth and moisture that contrasts with the dry heat experienced earlier in the year, making it an ideal time for visitors. For a deeper understanding of La Union's seasonal variations, check out La Union Climate.