December Weather in San Andres, Mexico

Last updated: April 22, 2025

December in San Andres, Mexico, offers a delightful escape with temperatures ranging from a chilly 14°C (58°F) to a warm 33°C (91°F). The average temperature settles around 23°C (74°F), creating a pleasant climate for outdoor activities. This month enjoys minimal rainfall, with only 11 mm (0.4 in) recorded over the course of just one day, allowing visitors to bask in the sun. Coupled with a humidity level of 74%, December is an ideal time to experience the beauty and vibrancy of this coastal paradise.

December Temperature in San Andres

As December unfolds in San Andres, Mexico, temperatures begin to cool slightly, embracing the holiday spirit. With minimums around 14°C (58°F) and comfortable averages of 23°C (74°F), the weather remains inviting for outdoor activities. Daytime highs can reach up to 33°C (91°F), reminiscent of the warm earlier months, though the evenings may bring a refreshing chill. This month marks a delightful transition, as it balances the lingering warmth of autumn with the crispness of winter, making it an ideal time for both relaxation and adventure in this coastal paradise.

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.
JanFebMarAprMayJunJulAugSepOctNovDec727374768084868584837974
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 San Andres, Mexico, December marks a shift towards drier conditions, with precipitation dropping to a modest 11 mm (0.4 in) over just one day. Following the heavy rains of the summer months, where August and September recorded 252 mm and 253 mm respectively, December's precipitation serves as a gentle prelude to the arid winter season. As temperatures cool and rainfall wanes, it's a time for serene landscapes and tranquil weather, highlighting a notable decrease from the frequent downpours experienced just a few months prior. This transition not only signifies the end of the rainy season but also paves the way for drier, sunnier days 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.
JanFebMarAprMayJunJulAugSepOctNovDec2018001561192522531591311
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, San Andres, Mexico, experiences a humidity level of 74%, maintaining the trend of increased moisture that begins in the summer months. Following a gradual decline from 71% in January to a low of 66% in April, humidity rises significantly in the warmer months, peaking at 79% in July. This summer spike coincides with the rainy season, resulting in consistently high moisture levels through September. As the year draws to a close, the humidity in December slightly decreases from November’s 74%, suggesting a return to more comfortable conditions. Overall, December's climate offers a balance between the high humidity of summer and the drier months ahead, making it a pleasant time to enjoy San Andres’s vibrant coastal environment.

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.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
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, Mexico experiences a decrease in the UV Index, registering at 6, which falls into the high exposure category. This marks a notable drop from the extreme levels seen during the summer months, where indices reached up to 13. With a burn time of 25 minutes, residents and visitors alike can enjoy the sunny days with a bit more leeway. As the year winds down, it's a perfect time to embrace outdoor activities and soak up the sun, while still being mindful of skin protection. For more insights on UV levels throughout the year, check 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121313121212121186
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

December in San Andres, Mexico, continues the trend of abundant sunshine typical for the region, with an impressive 272 hours of bright daylight. As the year draws to a close, the sunshine hours reflect a slight decrease from the peak in May, which boasts an outstanding 353 hours of sun. However, December still enjoys more hours than many earlier months, signaling a warm farewell to the year with ample opportunities for outdoor adventures. Visitors can relish the festive atmosphere under the gentle glow of the sun, making it a delightful time to explore the beautiful beaches and vibrant culture of this stunning destination.

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.
JanFebMarAprMayJunJulAugSepOctNovDec222h261h317h328h353h320h315h278h266h274h280h272h
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, San Andres, Mexico, greets visitors with a 47% chance of sunny weather, hinting at a mix of sun and clouds as the year winds down. This percentage reflects a gradual decline in sunshine compared to the preceding months, with November showcasing a more optimistic 56% chance. As the region transitions into the cooler winter months, the likelihood of clear skies diminishes significantly, especially when contrasted with the vibrant 80% sunny days in May. While December might not offer the sun-soaked days of early spring, it still presents a respectable opportunity for travelers to enjoy the festive allure of this picturesque destination.

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.
JanFebMarAprMayJunJulAugSepOctNovDec52%62%63%61%80%36%28%18%31%53%56%47%
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

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.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 25m12h 1m12h 39m13h 11m13h 26m13h 18m12h 50m12h 13m11h 36m11h 4m10h 48m
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 graces San Andres, the average wind speed settles at a gentle 1.7 m/s (4 mph), mirroring the calm atmosphere of the preceding months. Throughout the year, wind patterns reveal a subtle fluctuation, with slight increases in early spring, culminating in March's peak of 2.2 m/s (5 mph). However, as the year winds down, the trend indicates a general decrease, particularly in the summer months, where July and September record some of the lowest speeds. December's winds, being consistently mild, create a serene backdrop for holiday celebrations, inviting locals and visitors alike to enjoy the tranquil beauty of this coastal paradise.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.02.21.91.92.01.61.81.51.61.71.7 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.

When comparing the weather in December and January, both months exhibit relatively warm temperatures, with January being slightly cooler on average. In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), while January sees a minimum of 11°C (52°F) and an average of 22°C (72°F), maintaining a similar upper limit of 33°C (92°F). Precipitation increases in January to 20 mm (0.8 in) compared to December's 11 mm (0.4 in), though both months experience precipitation on just one day. Despite this, January is slightly less humid, averaging at 71% compared to December's 74%. For a more detailed look at the weather in January, you can visit San Andres weather in January.

In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), with an average temperature of 23°C (74°F). The month experiences minimal rainfall, accumulating just 11 mm (0.4 in) across a single day, along with a humidity level of 74%. In contrast, February shares similar temperature characteristics, with a low of 14°C (58°F), an average of 23°C (73°F), and a high of 33°C (92°F). However, February sees slightly higher precipitation, totaling 18 mm (0.7 in) over one day, and lower humidity at 69%. For a detailed overview of February's weather, you can refer to San Andres weather in February.

December and March exhibit similar temperature ranges, with both months averaging around 23°C (74°F) and reaching maximums of 33°C (91°F). However, December experiences slightly higher humidity at 74%, compared to March's 67%, making the latter feel a bit drier. Notably, December has minimal precipitation, occurring only once and totaling 11 mm (0.4 in), while March enjoys completely dry conditions, with no recorded precipitation. For more detailed insights into March's weather, you can visit San Andres weather in March.

In comparing the weather of December and April, December features a broader range with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), while April shows a slightly higher minimum of 15°C (60°F) and an average temperature of 24°C (76°F). December experiences mild precipitation with about 11 mm (0.4 in) over the course of just one day, in contrast to April, which is completely dry with no recorded precipitation. Additionally, December has a higher humidity level at 74%, compared to April's more comfortable 66%. For a more detailed look at weather patterns in April, check out San Andres weather in April.

In December, the weather tends to be warm with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), averaging around 23°C (74°F). The month sees a slight amount of rain with about 11 mm (0.4 in) of precipitation over just one day, and humidity levels are relatively high at 74%. In contrast, May brings even warmer conditions, with minimum temperatures of 18°C (65°F) and maximums reaching up to 35°C (95°F), averaging 27°C (80°F). This month experiences significantly less rainfall, with only about 1 mm (0.0 in) and no rainy days, accompanied by slightly lower humidity at 69%. For more detailed information, check out San Andres weather in May.

In December, temperatures in San Andres range from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), with an average of 23°C (74°F). The month sees relatively low precipitation of just 11 mm (0.4 in) over 1 day, accompanied by a humidity level of 74%. In contrast, June experiences warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 37°C (99°F), averaging around 29°C (84°F). This month also brings higher precipitation of 56 mm (2.2 in) over 6 days and slightly increased humidity at 78%. For a more detailed look at what to expect, check out San Andres weather in June.

December and July present contrasting weather patterns in San Andres. In December, temperatures range from a mild 14°C (58°F) at night to a warm 33°C (91°F) during the day, with average temperatures around 23°C (74°F). The month is relatively dry, experiencing only 11 mm (0.4 in) of precipitation over just 1 day, and humidity levels hover around 74%.

In contrast, July is significantly hotter and wetter, with nighttime temperatures starting at 24°C (76°F) and peaking at a sweltering 39°C (102°F) during the day, averaging 30°C (86°F). This month sees much more rainfall, accumulating 119 mm (4.7 in) over 16 rainy days, and humidity rises slightly to 79%. For more detailed insights about July weather, you can visit San Andres weather in July.

In December, the weather is generally milder, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), providing an average of 23°C (74°F). It experiences relatively low precipitation, with only 11 mm (0.4 in) falling over just one day and a humidity level of 74%. In contrast, August is significantly warmer, featuring temperatures that fluctuate between 24°C (75°F) and a sweltering maximum of 37°C (99°F), with an average of 29°C (85°F). Rainfall is considerably higher during this month, totaling 252 mm (9.9 in) across 24 days, leading to a slightly increased humidity of 78%. For more detailed weather insights, check San Andres weather in August.

When comparing the weather in December and September, it's clear that December offers milder temperatures, with minimums around 14°C (58°F) and maximums reaching up to 33°C (91°F). In contrast, September experiences warmer conditions, with minimum temperatures starting at 24°C (76°F) and maximums climbing to 35°C (96°F). Additionally, December is characterized by much drier weather, with only 11 mm (0.4 in) of precipitation over just 1 day, while September is considerably wetter, receiving 253 mm (10.0 in) of rainfall across 25 days. Humidity levels remain relatively similar, hovering around 74% in December compared to 78% in September. For more details, you can check this link: San Andres weather in September.

In comparing the weather of December and October, it’s evident that December offers milder temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 33°C (91°F), with an average temperature of 23°C (74°F). In contrast, October is warmer overall, with temperatures varying from a minimum of 22°C (73°F) to a maximum of 35°C (96°F) and an average of 29°C (84°F). Additionally, October is significantly wetter, experiencing 159 mm (6.3 in) of precipitation over 14 days, whereas December sees only 11 mm (0.4 in) of rain across just one day. Humidity levels remain similar in both months, with December at 74% and October at 75%. For a detailed look at October's weather specifics, you can visit San Andres weather in October.

In comparing the weather of December to November, December typically experiences a slight drop in temperatures, with average highs of 33°C (91°F) compared to November's maximum of 35°C (96°F). While both months maintain the same humidity level at 74%, December's minimum temperature is notably cooler at 14°C (58°F), as opposed to November's milder 18°C (64°F). Precipitation is slightly lower in December, with just 11 mm (0.4 in) over 1 day, compared to November's 13 mm (0.5 in) over 2 days. For more details, 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

December in San Andres offers a delightful transition from the sultry heat of the summer months, bringing milder temperatures and refreshing humidity levels. With a maximum of 33°C (91°F) and an average of 23°C (74°F), the weather is comfortably warm, contrasting with the higher readings in preceding months. This month also witnesses significantly reduced precipitation, typically featuring just a day or two of light rain. While the air remains humid at 74%, the overall climate in December sets the stage for pleasant outdoor activities and exploration. For a deeper dive into what to expect throughout the year, check out San Andres Climate.