Last updated: April 22, 2025
In December, San Andres, Mexico experiences a mild climate characterized by a maximum temperature of 26°C (79°F) and an average of 12°C (55°F), providing a comfortable environment for visitors. The month sees a minimum temperature dipping to 6°C (21°F), making warmer clothing advisable for the cooler nights. Despite an overall dry climate with just 10 mm (0.4 in) of precipitation over the month and only one rainy day, humidity remains relatively high at 87%, contributing to a pleasantly tropical feel. This combination of mild temperatures and low rain makes December an ideal time to explore the scenic beauty and vibrant culture of San Andres.
In December, San Andres, Mexico, showcases a notable shift as temperatures dip to a minimum of -6°C (21°F), marking the coldest point of the year. The chilly evenings contrast with average daytime temperatures around 12°C (55°F), which still offer a comfortable respite from the cold. As the month progresses, maximum temperatures can reach a pleasant 26°C (79°F), inviting visitors to enjoy the seasonal scenery. This blend of crisp nights and mild days reflects an emerging winter chill, hinting at the transition from the warmer months. As a result, December embodies a unique moment in San Andres' climate, offering a refreshing change while still retaining some warmth—a perfect backdrop for holiday festivities and outdoor adventures.
December in San Andres, Mexico, is marked by a notable decline in precipitation as the year comes to a close. With just 10 mm (0.4 in) of rain over a mere 1 day, the month is among the driest following a series of wetter months earlier in the year. This trend highlights a significant shift from the heavy downpours experienced during the summer, particularly in June and September, which see averages of 99 mm (3.9 in) and 100 mm (3.9 in), respectively. The transition to drier conditions as winter approaches creates a more stable climate, allowing for pleasant outdoor activities as the holiday season unfolds.
In San Andres, Mexico, December brings a notable increase in humidity, matching November's level at 87%. This trend highlights a general escalation in moisture as the year draws to a close, with the latter months consistently displaying higher humidity levels. Starting from a more moderate 65% in March, humidity levels experience a gradual rise, peaking in October and November. The experience of December's dampness reflects the tail end of the rainy season, creating a lush environment that complements the region’s natural beauty. As visitors explore San Andres during this period, they can expect a warm and humid atmosphere, perfect for embracing the local charm and vibrant landscapes.
In December, San Andres, Mexico experiences a UV Index of 8, which falls into the very high exposure category and suggests a burn time of just 15 minutes. As the year winds down, the UV levels decrease from the extreme highs of earlier months, where values soared to 15 in April and May, demanding caution with only 10 minutes safe exposure. This trend of extreme UV levels persists through the summer into early autumn, highlighting a pattern of significant sun intensity during these months. As the days get shorter and winter approaches, December provides a slight relief for sun-seekers, but it's still crucial to remain vigilant. For more detailed UV information and precautions, check out the San Andres UV Index.
UV Risk Categories
December in San Andres, Mexico, offers a delightful blend of sunshine with 283 hours of bright, cheerful daylight. As the year winds down, the sunshine diminishes slightly from the peak recorded in May with 347 hours, showcasing the beautiful transition of seasons. Interestingly, the sun shines more in December than during the earlier winter months, with January boasting just 227 hours. This gradual increase through the fall months culminates in a festive, sun-soaked December, perfect for those looking to escape the chill of winter elsewhere. As the year draws to a close, visitors can enjoy a sunny holiday that still embraces the brilliant warmth of the season.
In December, San Andres, Mexico enjoys a promising 68% chance of sunny weather, making it a delightful choice for travelers seeking warmth and brightness as the year winds down. This figure marks a notable improvement from the summer months, where the likelihood of sunny skies plummets to as low as 28% in July. As we transition from the wettest months of the year, the chances of sunshine in December reflect a gradual recovery, echoing a trend of increasing sun prevalence that begins notably in November at 60%. With its blend of inviting temperatures and abundant sunshine, December is an excellent time to revel in the vibrant beauty of this Caribbean paradise.
As the year draws to a close in San Andres, Mexico, the daylight duration experiences a gentle ebb and flow, culminating in December with approximately 10 hours of daylight. Following a steady increase from 10 hours in January to a peak of 13 hours between May and July, the days gradually begin to shorten again as autumn settles in. By August, daylight tapers back to 12 hours, maintaining this duration through September before slipping down to 11 hours in October and November. This rhythmic pattern not only reflects the changing seasons but also invites residents and visitors alike to savor the crisp, sunlit days of December, marking the end of one year while looking forward to the promise of longer days ahead.
As December sweeps into San Andres, Mexico, the wind takes on a gentler persona, with speeds averaging 2.9 m/s (6 mph). This marks a notable decrease compared to the slightly more brisk conditions of previous months, where winds oscillated between 3.1 and 4.3 m/s. While January through April typically flaunts stronger breezes in the range of 4.0 to 4.2 m/s, December's calm offers a tranquil respite, making it a perfect time for serene strolls along the coastline or cozy evenings by the beach. The transition from more robust winds in late summer and early fall to the soft December zephyrs reflects a natural rhythm, inviting residents and visitors alike to savor the peaceful atmosphere as the year winds down.
The weather in San Andres 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 San Andres and find detailed weather information for every month.
In December, temperatures can drop to a chilly minimum of -6°C (21°F), while averaging around 12°C (55°F) during the day, with maximums reaching up to 26°C (79°F). The month experiences limited precipitation, averaging just 10 mm (0.4 in) over a single rainy day, accompanied by high humidity levels at 87%.
In contrast, January sees a slight rise in the minimum temperature, increasing to 0°C (32°F), while maintaining an average of 12°C (54°F) and a consistent maximum of 26°C (79°F). Precipitation also increases slightly to 12 mm (0.5 in) over two days, but humidity decreases to a more comfortable 75%.
For more detailed information on January weather, you can refer to San Andres weather in January.
In December, temperatures in San Andres range from a chilly min of -6°C (21°F) to a comfortable max of 26°C (79°F), with an average temperature of 12°C (55°F). The month experiences low precipitation, with only 10 mm (0.4 in) over 1 day, but high humidity at 87%. In contrast, February sees slightly milder conditions, with minimum temperatures at 0°C (32°F) and maximums reaching 30°C (87°F), averaging 15°C (59°F). The precipitation remains consistent at 10 mm (0.4 in) but occurs over 2 days, and the humidity drops to a more comfortable 69%. For more details on February weather, check out San Andres weather in February.
In December, temperatures in San Andres range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 26°C (79°F), with an average around 12°C (55°F). The month typically sees very little precipitation, with only 10 mm (0.4 in) falling over just one day, and a high humidity level of 87%. In contrast, March experiences a significant warming trend, offering a minimum of 1°C (33°F) and a maximum of 32°C (90°F), with an average temperature of 17°C (63°F). Precipitation slightly increases to 13 mm (0.5 in) over two days, and humidity drops to a more moderate 65%. For those interested in more detailed weather patterns, you can explore San Andres weather in March.
December and April present distinct contrasts in weather patterns. In December, temperatures range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 26°C (79°F), with an average of 12°C (55°F). The month experiences high humidity at 87% and a low level of precipitation, accumulating only 10 mm (0.4 in) over about a day. In contrast, April sees a significant increase in temperatures, with minimums at 5°C (42°F) and maximums soaring to 32°C (90°F), averaging 19°C (67°F). While April also has the same precipitation level of 10 mm (0.4 in), it falls over two days, and the humidity drops considerably to 64%. For more detailed insights, you can refer to San Andres weather in April.
In December, the weather is significantly cooler, with temperatures ranging from a chilly minimum of -6°C (21°F) to a mild average of 12°C (55°F), peaking at a maximum of 26°C (79°F). The month experiences minimal precipitation, only about 10 mm (0.4 in) across just one rainy day, paired with high humidity at 87%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a much warmer average of 21°C (70°F), reaching a high of 34°C (93°F). The precipitation in May increases to 41 mm (1.6 in) over six days, accompanied by lower humidity at 75%. For a detailed look at the weather during this month, check out San Andres weather in May.
December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 26°C (79°F), with an average of 12°C (55°F). The month is relatively dry with only 10 mm (0.4 in) of precipitation occurring over just one day, and a high humidity level of 87% gives the air a brisk feel. In stark contrast, June boasts warmer temperatures, with nightly lows at 10°C (50°F) and daytime highs reaching up to 33°C (91°F), averaging around 20°C (68°F). This month sees significantly more precipitation, totaling 99 mm (3.9 in) across 12 days, and slightly lower humidity at 78%. For more detailed insights into June weather, visit San Andres weather in June.
In December, the weather is much cooler, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 26°C (79°F) and an average temperature of 12°C (55°F). This month experiences a low level of precipitation, with only 10 mm (0.4 in) falling over just one day and high humidity at 87%. In contrast, July brings warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). July is also significantly wetter, receiving 89 mm (3.5 in) of rain over nine days, accompanied by lower humidity at 67%. For a closer look at the weather conditions specific to July, visit San Andres weather in July.
In December, temperatures in San Andres can dip as low as -6°C (21°F), with an average of 12°C (55°F) and a maximum of 26°C (79°F), while August boasts a milder range with minimums of 11°C (52°F), an average of 19°C (67°F), and highs reaching 30°C (86°F). December is characterized by significantly lower humidity at 87% and very little precipitation, with only 10 mm (0.4 in) falling over just one day. In contrast, August sees a much higher average precipitation of 56 mm (2.2 in) over approximately seven days, combined with a lower humidity level of 64%. For more details on weather patterns in August, check out San Andres weather in August.
In comparing the weather between December and September, we see notable differences in temperature and precipitation. December experiences a broader temperature range, with minimums dropping as low as -6°C (21°F) and a maximum reaching up to 26°C (79°F), while September remains milder with temperatures ranging from 9°C (49°F) to a maximum of 28°C (83°F). Interestingly, December has significantly less precipitation, with only 10 mm (0.4 in) over just one day, in stark contrast to September, which sees 100 mm (3.9 in) over approximately 12 days of rain. Additionally, humidity levels in December are quite high at 87%, compared to 81% in September, highlighting the more humid conditions as the year comes to a close. For more information on the weather in September, you can visit San Andres weather in September.
In comparing the weather of December and October, December generally features cooler temperatures, with a minimum of -6°C (21°F) compared to October's minimum of 3°C (38°F). The average temperature in December is 12°C (55°F), while in October it's warmer at 17°C (62°F). Interestingly, both months showcase similar maximum temperatures, with October peaking at 27°C (82°F) and December at 26°C (79°F). Precipitation levels differ significantly, with October experiencing much more rain at 50 mm (2.0 in) over 9 days, whereas December sees only 10 mm (0.4 in) across just 1 day. Humidity levels are slightly higher in December at 87% compared to 85% in October. For more detailed insights, you can check San Andres weather in October.
In comparing the weather between December and November, December experiences slightly cooler temperatures, with a minimum of -6°C (21°F) and an average of 12°C (55°F), while November sees a milder minimum of -1°C (30°F) and an average of 14°C (58°F). Although both months have similar humidity levels at 87%, November receives more precipitation, totaling 14 mm over 2 days compared to December's 10 mm over just 1 day. For more detailed information on November weather, you can refer to this link: San Andres weather in November.
In December, San Andres experiences a notable shift in weather compared to the warmer months. With temperatures reaching a pleasant average of 26°C (79°F) during the day and cooler nights dipping to a minimum of -6°C (21°F), it’s a time when residents and visitors alike can enjoy crisp, refreshing air. The month is characterized by lower humidity levels at around 87% and minimal precipitation, with only a single rainy day to break the dry spell. This delightful change makes December a perfect time to explore the beautiful surroundings of San Andres. For a comprehensive overview on what to expect throughout the year, check out San Andres Climate.