Last updated: April 22, 2025
Discover the December weather in La Union, Mexico, where the climate offers a fascinating blend of warmth and moisture. With maximum temperatures soaring up to 33°C (92°F) and an average of 24°C (75°F), the days are pleasantly warm. However, nights can feel quite cool, dropping to a minimum of 12°C (53°F). Expect moderate rainfall, with an average of 46 mm (1.8 in) spread over 14 days, contributing to the region's lush environment. The humidity level averages 87%, adding a tropical feel to this vibrant locale, making December a unique time to experience the beauty of La Union.
In December, La Union, Mexico experiences a delightful shift as temperatures begin to cool, marking the transition into the winter months. The minimum temperature dips to 12°C (53°F), providing a refreshing contrast to the warmer months, while the average remains a pleasant 24°C (75°F). Daily highs hover around 33°C (92°F), inviting both locals and travelers to enjoy outdoor activities in comfortable warmth. As the year draws to a close, December's climate is characterized by a welcome balance of warmth during the day and cooler evenings, creating an inviting atmosphere for holiday festivities and exploration of the scenic surroundings. This trend of warming days paired with chillier nights fosters a delightful backdrop for visitors seeking both adventure and relaxation.
December in La Union, Mexico, wraps up the year with moderate precipitation, amounting to 46 mm (1.8 in), which is on par with the averages seen in April. During this month, rainfall is registered on 14 days, contributing to the overall trend of increasing precipitation as the region transitions from drier to wetter months. Notably, December's rainfall is significantly lower than the peak seen in June with 227 mm, but it remains a crucial part of the late rainy season. As the year closes, the weather reflects a balance of wetter conditions, hinting at the lush landscapes to come in the following months.
In La Union, Mexico, December ushers in a notable consistency in humidity levels, with an average of 87%, mirroring the high humidity of the previous month. This trend is indicative of the region's transition from the dryer months of spring, where humidity dips to around 62% in April and May. As the year progresses, humidity gradually rises, peaking in the cooler months of late October and early November. December’s humidity maintains this elevated state, reflecting the region's humid subtropical climate. Travelers can expect a lush, vibrant environment during this time, making it a perfect backdrop for experiencing the natural beauty and culture of La Union.
In La Union, Mexico, the UV Index throughout the year reveals a striking pattern of extreme sun exposure that climaxes in the warmer months. The index starts at 9 in January and gradually escalates to a peak of 14 in April, indicating a serious level of sun intensity and a minimal burn time of just 10 minutes during these months. As summer approaches, the index stabilizes around 13 from June to September, highlighting a sustained risk for sunburn. As autumn brings cooler weather, the UV index dips back to 9 in November and settles at 8 in December, still classified as very high with a burn time of 15 minutes. If you're planning to enjoy the sun, be sure to check the current conditions and protect your skin; for more information, visit La Union UV Index.
UV Risk Categories
In La Union, Mexico, December brings a pleasant array of 280 sunshine hours, continuing the trend of abundant daylight that characterizes the region. As the year winds down, residents and visitors alike can bask in the sunlight that starts to set in earlier months, such as 225 hours in January and peaking at 325 hours in May. Although December's sunshine is slightly lower than the vibrant months preceding it, it still paints a warm and inviting atmosphere, making the last month of the year an appealing time to explore the sun-kissed beaches and scenic landscapes. This trend of consistent sunlight throughout the year underscores La Union's reputation as a perfect escape for sunshine lovers, even in the winter months.
In La Union, Mexico, December marks a delightful transition towards sunnier days, boasting a 58% chance of sunshine. This is a significant increase from the earlier months of the year, where the likelihood of clear skies tends to fluctuate. For instance, after dipping to 28% in June, the chances begin to climb, peaking as high as 63% in March before tapering off slightly in April and May. By November, residents and visitors can expect a 44% chance of sun, setting the stage for a bright December. Overall, the trend showcases a steady improvement in sunny weather as the year closes, making December an inviting time to enjoy the sun-drenched scenery of La Union.
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 experiences a gentle return to the average wind speed of 2.3 m/s (5 mph), mirroring the calmer breezes of late summer and early fall. As the year winds down, this consistent wind flow can be traced back to the preceding months, with October and November showcasing even lighter gusts that dipped to 1.8 m/s (4 mph) and 1.9 m/s (4 mph), respectively. Interestingly, the early months of the year saw a slow build in wind, reaching a peak of 3.2 m/s (7 mph) in May before gradually tapering off into the year-end. This trend illustrates La Union's typical meteorological rhythm, transitioning from breezy spring days to the tranquil winds of winter, perfect for beach strolls and contemplative moments by the ocean.
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 typically ranges from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), with an average temperature of 24°C (75°F). During this month, there is an average precipitation of 46 mm (1.8 in) over 14 days, and the humidity is quite high at 87%. In contrast, January sees slightly warmer temperatures, with minimums of 14°C (57°F) and maximums reaching up to 37°C (99°F), while maintaining the same average temperature of 24°C (75°F). Precipitation in January is a bit lower at 43 mm (1.7 in) over 11 days, and the humidity decreases slightly to 85%. For more detailed information, check out La Union weather in January.
December and February exhibit distinct weather patterns, offering different experiences for visitors. December typically sees temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F) and relatively high humidity at 87%. This month also experiences more precipitation, averaging 46 mm (1.8 in) over 14 days. In contrast, February boasts slightly warmer temperatures, with a minimum of 11°C (53°F), an average of 25°C (78°F), and a maximum that can reach 36°C (98°F). Precipitation decreases to 29 mm (1.2 in) over 10 days, and humidity drops to 78%. For those interested in more detailed weather conditions, you can visit La Union weather in February.
In December, the weather is characterized by a warm range with temperatures varying from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), averaging around 24°C (75°F). However, the month also sees considerable humidity at 87%, coupled with precipitation of 46 mm (1.8 in) over 14 days. In contrast, March experiences slightly warmer weather with minimum temperatures of 16°C (60°F) and maximums reaching 36°C (98°F), averaging 26°C (80°F). Notably, March has lower humidity at 67% and less precipitation, totaling only 23 mm (0.9 in) over just 7 days. For more detailed information, check out La Union weather in March.
In December, the weather features a more moderate temperature range with minimums around 12°C (53°F) and maximums peaking at 33°C (92°F), while humidity is quite high at 87%. The month experiences an average of 46 mm (1.8 in) of precipitation spread over 14 days. In contrast, April sees warmer temperatures, with minimums rising to 17°C (63°F) and maximums soaring up to 41°C (107°F). Despite similar rainfall totals of 46 mm (1.8 in), April enjoys significantly less rainy days, with precipitation occurring on only 7 days and lower humidity levels at 62%. For those interested in the specifics of April weather, you can find more information here: La Union weather in April.
In December, the weather is relatively mild with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (92°F) and an average of 24°C (75°F). This month experiences about 46 mm (1.8 in) of precipitation over 14 days, combined with high humidity at 87%. In contrast, May brings warmer conditions with minimum temperatures of 19°C (67°F), peaking at a sweltering 39°C (103°F) and an average of 29°C (85°F). Rainfall increases to 75 mm (3.0 in) over 18 days, while humidity drops to a more comfortable 62%. For a detailed look at the weather in May, you can visit La Union weather in May.
December and June present contrasting weather experiences. In December, temperatures range from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). The month sees 46 mm (1.8 in) of precipitation over about 14 days, accompanied by high humidity levels at 87%. In contrast, June features warmer temperatures, with a minimum of 22°C (72°F), an average of 28°C (83°F), and soaring to a maximum of 38°C (101°F). However, June is also much wetter, receiving 227 mm (8.9 in) of rainfall over 25 days, combined with lower humidity at 63%. For more information on the weather during this vibrant month, check out La Union weather in June.
In December, the weather is generally milder with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (92°F) and an average temperature of 24°C (75°F). This month experiences 46 mm (1.8 in) of precipitation over approximately 14 days, paired with high humidity at 87%. In contrast, July sees significantly warmer conditions, featuring minimum temperatures of 21°C (71°F) and highs reaching 37°C (98°F), with an average temperature of 28°C (82°F). July is also wetter, receiving 113 mm (4.4 in) of rainfall over about 23 days, while the humidity remains lower at 66%. For more detailed weather information specific to July, check out La Union weather in July.
In December, the weather features a milder temperature range with a minimum of 12°C (53°F) and a maximum of 33°C (92°F), averaging at 24°C (75°F). The precipitation is relatively low at 46 mm (1.8 in), occurring over about 14 days, along with high humidity levels at 87%. In contrast, August experiences warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 37°C (99°F), averaging at 28°C (83°F). However, August is considerably wetter, receiving 125 mm (4.9 in) of rainfall over 24 days, combined with a lower humidity of 73%. For further details on August weather, you can visit La Union weather in August.
When comparing the weather in December and September, there are distinct differences in temperature and precipitation. December experiences a milder temperature range, with minimums around 12°C (53°F) and maximums reaching up to 33°C (92°F), resulting in an average of 24°C (75°F). In contrast, September boasts significantly warmer temperatures, with minimums at 22°C (72°F), maximums soaring to 38°C (100°F), and an average of 28°C (82°F).
Precipitation is also a factor; December sees about 46 mm (1.8 in) of rainfall over 14 days, while September is marked by much higher precipitation levels of 154 mm (6.1 in) across 26 days, making it one of the wettest months. Despite September having slightly lower humidity at 82% compared to December's 87%, the overall weather in September is characterized by its heat and frequent rain. For more detailed information, you can explore La Union weather in September.
In comparing the weather between December and October, December generally experiences milder temperatures, with average highs reaching 33°C (92°F), compared to October's higher average maximum of 36°C (97°F). However, October is significantly wetter, receiving 180 mm (7.1 in) of precipitation over 24 days, while December sees only 46 mm (1.8 in) across 14 days. Humidity levels remain relatively similar, with December at 87% and October at 86%. For a detailed look at the October climate, you can visit La Union weather in October.
In comparing the weather of December and November, we see that December tends to start with slightly cooler temperatures, with a minimum of 12°C (53°F) compared to November's minimum of 15°C (59°F). Both months share an average high of 33°C (92°F), but November has a slightly warmer average temperature of 25°C (77°F) compared to December's 24°C (75°F). Additionally, December experiences less precipitation, with 46 mm (1.8 in) of rain falling over 14 days, while November has 73 mm (2.9 in) over 15 days. Humidity remains consistent at 87% for both months. For more detailed insights into November's weather, you can visit La Union weather in November.
In December, La Union experiences a notable shift in weather patterns compared to other months. With a maximum temperature reaching around 33°C (92°F) and an average of 24°C (75°F), the warmth remains inviting, yet it is accompanied by increased humidity levels of 87%. The month also sees a rise in precipitation, with rainfall occurring on about 14 days, contributing to a total of 46 mm (1.8 in). This makes December a transitional period where the typically dry climate begins to embrace a more humid, rainy atmosphere, offering a refreshing change before the onset of the drier winter months. For a deeper understanding of the area's weather throughout the year, visit La Union Climate.