December Weather in San Andres, Mexico

Last updated: April 22, 2025

Experience the bliss of December weather in San Andres, Mexico, where the temperatures are pleasantly mild. With a maximum of 29°C (85°F) and an average of 19°C (66°F), it's an ideal time to enjoy the outdoors. Nighttime coolness offers refreshing minimums of 7°C (44°F), perfect for cozy evenings. Rain is a rarity this month, with only 2 mm (0.1 in) of precipitation recorded and 0 rainy days to spoil your plans. Wrap yourself in the warm embrace of 88% humidity and indulge in the delightful charm of this coastal paradise.

December Temperature in San Andres

In December, San Andres, Mexico, enjoys a pleasant climate that marks the transition into winter. The temperatures during this month range from a cool 7°C (44°F) at night to a comfortable 29°C (85°F) during the day, with an average temperature of 19°C (66°F). This is a departure from the warmer months preceding it, where highs frequently reach into the low thirties. As the year winds down, visitors can expect milder evenings, making it ideal for evening strolls along the beach or dining al fresco. Overall, December’s soothing temperatures create a perfect backdrop for holiday festivities in this charming destination.

December Weather in San Andres: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Andres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec656973757571727170706865
Data source: Temperature data for San Andres generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Andres

In December, San Andres experiences a notable shift in its precipitation patterns, registering a mere 2 mm (0.1 in) of rainfall and no precipitation days. This dramatic drop marks a striking contrast to the lush, wet months preceding it, particularly June, when the region sees heavy rainfall peaking at 260 mm (10.2 in) over 25 days. Following a cycle of increasingly wet conditions from May through November, the year closes with minimal moisture, a clear indication that the transition to the dry season has taken hold. This pattern highlights the region's climate variability, where significantly drying conditions offer respite from the intense summer rains, setting the stage for drier months ahead.

December Precipitation Trends in San Andres

The chart displays monthly precipitation patterns in San Andres, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec2261894260151219214115322
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Andres

In December, the humidity in San Andres, Mexico, registers at a notable 88%, reflecting the area's characteristic moistness as it approaches the end of the year. This month typically experiences a slight reduction from the high of 91% in October and remains elevated compared to the seasonal average. Following a gradual decline from April's 70% peak, December's humidity suggests a return to heavier moisture levels, especially as the region transitions into its cooler months. Interestingly, while March and July offer the lowest humidity readings at 75% and 68% respectively, the trend shows a consistent increase toward the end of the calendar year, making December feel lush yet refreshing for residents and visitors alike.

December Average Humidity in San Andres

This chart illustrates the average monthly humidity levels in San Andres, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Andres

In December, San Andres experiences a UV Index of 8, placing it in the very high exposure category, which means sunburn can occur in approximately 15 minutes of unprotected exposure. While December’s index is lower than the extreme levels observed in the peak summer months—where values soared to 15 in July—the region still requires caution. This trend indicates that the Caribbean sun remains potent even in winter, reminding visitors to prioritize sun protection throughout their stay. For more information on UV levels throughout the year, check out San Andres UV Index.

Maximum UV Index Levels in San Andres for December

The chart shows the monthly maximum UV Index (UVI) for San Andres in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141415141412108
Data source: San Andres December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in San Andres

In December, San Andres, Mexico basks in an impressive 298 hours of sunshine, making it a delightful destination as the year concludes. This month typically sees a gentle transition from the vibrant summer sun, with hours of sunlight slightly tapering off compared to the peak found in May at 335 hours. Nevertheless, December's sunshine still outshines January's modest offering of 245 hours, highlighting a trend where early winter months remain notably bright. Visitors can embrace the warm glow of the sun while enjoying the festive charms of San Andres, ensuring a perfect backdrop for holiday adventures.

Monthly Sunshine Duration in San Andres: December Highlighted

The December sunshine duration represents the total number of hours San Andres experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec245h280h321h322h335h294h316h299h280h295h290h298h
Data source: San Andres December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Andres During December

In December, the likelihood of experiencing sunny weather in San Andres, Mexico, is quite promising at 83%. This places December among the sunniest months of the year, particularly following the more variable conditions of late autumn. As the year transitions from November's 68% chance of sun, December’s statistics signify a return to brighter skies reminiscent of the early year’s sunniest months such as February, which boasts a remarkable 91%. This trend highlights a delightful opportunity for visitors seeking to bask in the warmth and vibrancy of San Andres as the festive season approaches. With a high probability of sunshine, December is an ideal time for beach outings and exploring the stunning landscapes of this tropical paradise.

Percentage of Sunny Days in December in San Andres

The chart illustrates the percentage of sunny days in San Andres throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often San Andres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%91%80%74%48%9%24%25%15%35%68%83%
Data source: San Andres December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Andres in December

In San Andres, Mexico, the daylight duration follows a rhythmic pattern throughout the year, reflecting the shifting seasons. Starting with a steady 11 hours of daylight in January and February, the days gradually lengthen as spring approaches, reaching 12 hours by March and April. May welcomes a sunny peak with 13 hours of daylight, a trend that maintains through June, July, and August, allowing for vibrant summer activities under the sun. As autumn sets in, daylight begins to wane once more, returning to 12 hours in September and October, and finally settling back to 11 hours in November and December. This cycle highlights the consistent yet varied relationship between daylight and the changing seasons, creating a captivating backdrop for life in this coastal paradise.

Average Daylight Hours in San Andres for December

The chart illustrates the variation in daylight duration in San Andres throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 8m11h 31m12h 2m12h 34m13h13h 13m13h 6m12h 43m12h 12m11h 41m11h 14m11h
Data source: San Andres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Andres

As December settles into San Andres, Mexico, the average wind speed gently picks up to 1.6 m/s (4 mph), mirroring the moderate breezes of previous months. Throughout the year, wind patterns show a subtle fluctuation, with the speeds peaking slightly in April and falling to their lowest in June. This consistency in light winds offers a pleasant backdrop for coastal activities, making December an inviting time for visitors to embrace the tranquil charm of the season. As the year winds down, the balmy weather combined with these refreshing gusts creates the perfect atmosphere for relaxation and exploration along the stunning shores.

Average December Wind Speed in San Andres

The chart displays monthly wind speed patterns in San Andres, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.81.71.91.51.21.31.31.21.41.61.6 m/s
Data source: San Andres December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Andres Compares to Other Months

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 comparing the weather of December and January, both months exhibit remarkably similar temperature patterns, with average highs around 19°C (66°F) and minimal fluctuations between the minimums of 7°C (44°F) in December and 6°C (43°F) in January. January tends to be slightly warmer, reaching a maximum of 31°C (88°F) compared to December's 29°C (85°F). Precipitation remains scarce in both months, with only 2 mm (0.1 in) noted across zero rainy days. Additionally, humidity levels are marginally lower in January at 84%, compared to December's 88%. For more detailed weather information, you can refer to San Andres weather in January.

In December, the weather features a comfortable temperature range, with a minimum of 7°C (44°F) and an average of 19°C (66°F), peaking at a warm 29°C (85°F). The month experiences no recorded precipitation and maintains a high humidity level of 88%, contributing to a mild and pleasant atmosphere. In contrast, February offers slightly warmer temperatures, starting at a minimum of 8°C (47°F) and averaging 20°C (69°F), reaching a maximum of 32°C (90°F). Like December, February also sees no precipitation, but the humidity drops to 78%, making the air feel a bit less muggy. For those considering traveling, more details can be found in San Andres weather in February.

In December, the weather is generally mild, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F) and an average of 19°C (66°F). The month is characterized by low precipitation, with only 2 mm (0.1 in) recorded across no rainy days and high humidity at 88%. In contrast, March brings warmer temperatures, with a minimum of 11°C (53°F), an average of 23°C (73°F), and a peak of 35°C (95°F). While there is slightly higher precipitation at 6 mm (0.2 in) over one rainy day, the humidity drops to 75%. For more detailed insights on the weather, you can check San Andres weather in March.

In December, the weather tends to be mild with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), and an average temperature of 19°C (66°F). The month is quite dry, receiving only 2 mm (0.1 in) of precipitation over no rainy days, though it comes with relatively high humidity at 88%. In contrast, April experiences warmer temperatures, with a minimum of 12°C (53°F), an average of 24°C (76°F), and a maximum of 35°C (96°F). While April is sunnier, it also brings more rainfall, totaling 18 mm (0.7 in) over four days, and the humidity is lower at 70%. For a detailed overview of April weather, you can visit San Andres weather in April.

In December, the weather tends to be quite mild, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F) and an average of 19°C (66°F). The month is characterized by low precipitation, totaling just 2 mm (0.1 in) over zero rainy days, alongside a high humidity level of 88%.

In contrast, May brings significantly warmer and more humid conditions, with temperatures varying from a minimum of 14°C (57°F) to a peak of 35°C (95°F), averaging 24°C (76°F). This month sees considerable rainfall, accumulating 94 mm (3.7 in) over 14 days, and humidity drops to 77%. For more detailed information about the weather in May, check out San Andres weather in May.

In December, temperatures in San Andres range from a mild 7°C (44°F) at night to a warm 29°C (85°F) during the day, with an average of 19°C (66°F). The weather is quite dry, seeing minimal precipitation of just 2 mm (0.1 in) and experiences no rainy days, all while maintaining a high humidity of 88%. In contrast, June brings significantly warmer conditions, with nighttime lows at 15°C (60°F) and daytime highs reaching up to 34°C (93°F), averaging around 22°C (72°F). However, June is much wetter, receiving approximately 260 mm (10.2 in) of rainfall over 25 days, and features lower humidity levels at 76%. For more detailed information, check out San Andres weather in June.

The weather in December contrasts significantly with that of July. In December, temperatures range from a mild minimum of 7°C (44°F) to a comfortable maximum of 29°C (85°F), accompanied by very low precipitation levels, with no rainy days and humidity peaking at 88%. In sharp contrast, July experiences warmer temperatures, with a minimum of 14°C (58°F) and a maximum reaching up to 32°C (89°F). However, it’s also much wetter, receiving an average of 151 mm (5.9 in) of rain over 20 days, and the humidity sits at a more moderate 68%. For more details on July's weather, you can visit San Andres weather in July.

December and August present contrasting weather patterns in terms of temperature, precipitation, and humidity. In December, temperatures range from a pleasant minimum of 7°C (44°F) to a maximum of 29°C (85°F), with low humidity levels at 88% and virtually no rainfall, averaging just 2 mm over the month. In stark contrast, August experiences milder temperatures with a minimum of 15°C (59°F) and a maximum of 31°C (88°F), but substantial rainfall, accumulating 219 mm over 25 days, along with lower humidity at 70%. This makes December typically dry and warm, while August is characterized by higher precipitation and a cooler, more comfortable feel. For more detailed information, you can check San Andres weather in August.

In comparing December and September weather, December boasts a mild temperature range with minimums around 7°C (44°F) and maximums reaching 29°C (85°F), while September has a higher minimum temperature of 15°C (59°F) but shares the same maximum of 29°C. December experiences significantly less precipitation, receiving only 2 mm over the month with no rainy days, contrasting sharply with September's substantial rainfall of 214 mm spread across 26 days. Additionally, humidity levels are relatively high in both months, with December at 88% and September slightly lower at 82%. For a detailed look at September's weather, you can visit San Andres weather in September.

In comparing the weather of December and October, December presents a milder climate with an average temperature of 19°C (66°F) and minimal precipitation of just 2 mm (0.1 in) over 0 rainy days, resulting in relatively high humidity levels at 88%. In contrast, October experiences warmer temperatures, with an average of 21°C (70°F) and maximums reaching up to 31°C (87°F). However, October is significantly wetter, recording 115 mm (4.5 in) of precipitation over 19 days, which raises the humidity slightly to 91%. For more detailed information, you can check San Andres weather in October.

In comparing the weather between December and November, December tends to be slightly warmer with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), while November features a minimum of 8°C (47°F) and a maximum of 30°C (87°F). Precipitation is significantly lower in December, with only 2 mm (0.1 in) recorded over zero days, compared to November’s 32 mm (1.3 in) spread over five days. Humidity levels remain similar, with December at 88% and November slightly higher at 89%. For a more detailed look at November weather, you can check San Andres weather in November.

Compare San Andres's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Andres

In December, San Andres experiences a delightful shift in weather, characterized by mild temperatures and low precipitation. Unlike the hotter months, where sweltering heat prevails, this month's average feels refreshingly crisp and comfortable, perfect for enjoying the outdoors. The remarkable humidity level of 88% can lend a hint of tropical warmth without the oppressive heat, making it ideal for those seeking a pleasant escape. With no recorded rain, visitors can expect plenty of sunshine to illuminate their adventures, setting December apart as one of the best times to visit. To explore more about the seasonal nuances, check out San Andres Climate.