December Weather in Santa Maria Huatulco, Mexico

Last updated: April 22, 2025

Discover the delightful December weather in Santa Maria Huatulco, Mexico, where temperatures range from a comfortable 19°C (67°F) at night to a pleasant 29°C (85°F) during the day. With an average temperature of 25°C (77°F), this stunning coastal destination offers a perfect backdrop for outdoor adventures. Expect limited rainfall, with only 20 mm (0.8 in) of precipitation spread across about 4 days, ensuring plenty of sunshine to soak up. The humidity stands at a moderate 72%, creating a warm yet enjoyable atmosphere for visitors seeking to escape the cold winter months. Embrace the beauty of Huatulco this December!

December Temperature in Santa Maria Huatulco

In December, Santa Maria Huatulco experiences a delightful transition as temperatures begin to cool slightly while still offering a warm escape. The minimum temperature settles at a comfortable 19°C (67°F), providing a crisp yet pleasant start to the month, while the average temperature hovers around 25°C (77°F), making it an ideal time for outdoor adventures. As the month progresses, maximum temperatures reach up to 29°C (85°F), offering sun-soaked days perfect for enjoying the stunning beaches. Compared to the preceding months, December's weather is notably milder, signaling the onset of the drier season, and inviting visitors to relish in the vibrant atmosphere of this tropical paradise.

December Weather in Santa Maria Huatulco: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Maria Huatulco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec777778798079808079797876
Data source: Temperature data for Santa Maria Huatulco 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 Santa Maria Huatulco

In Santa Maria Huatulco, December ushers in a shift towards drier conditions, concluding the tumultuous rainy season. With precipitation measuring 20 mm (0.8 in) over just 4 days, it marks a significant drop from the heavier rains of previous months. This pattern aligns with the decreasing trend observed since the peak rainfall in June, which saw a staggering 519 mm (20.4 in). The month of December, characterized by clearer skies and pleasant temperatures, offers a refreshing contrast to the vibrant summer deluge, making it an appealing time for visitors to explore the natural beauty of this coastal paradise.

December Precipitation Trends in Santa Maria Huatulco

The chart displays monthly precipitation patterns in Santa Maria Huatulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec211216251415191703103584407520
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Maria Huatulco

In Santa Maria Huatulco, Mexico, December sees average humidity levels around 72%, marking a comfortable transition as the year comes to a close. This month typically experiences a slight dip compared to the peak summer months of July and August, both reaching 78% humidity. As the region moves from the heavier humid climate of the warmer months to a more moderate state, December offers a refreshing respite. The gradual descent from the year’s highest levels also mirrors the earlier months, such as January and February, where humidity stays close to 66-67%. Thus, December serves as a pivotal moment, bridging the lush, humid summer days with the milder winter months ahead, making it an inviting time for visitors seeking pleasant tropical weather.

December Average Humidity in Santa Maria Huatulco

This chart illustrates the average monthly humidity levels in Santa Maria Huatulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec67%66%63%66%71%74%78%78%77%77%75%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Maria Huatulco

In Santa Maria Huatulco, December marks a transition towards slightly milder sun exposure, with a UV Index of 9, categorized as very high. This is a shift from the extreme levels seen in the peak summer months, where the UV Index often reached as high as 14. The burn time in December increases to 15 minutes, providing a bit more grace for sun-seekers compared to the 10 minutes required during the height of summer. As the year wraps up, the UV Index trends emphasize the importance of sun protection, even in winter. Plan your outdoor activities wisely and check the detailed information at Santa Maria Huatulco UV Index.

Maximum UV Index Levels in Santa Maria Huatulco for December

The chart shows the monthly maximum UV Index (UVI) for Santa Maria Huatulco 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.
JanFebMarAprMayJunJulAugSepOctNovDec10111314141413131312109
Data source: Santa Maria Huatulco 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 Santa Maria Huatulco

December in Santa Maria Huatulco bathes in a beautiful glow, with an impressive 308 hours of sunshine that gracefully concludes the year. As the days become shorter in winter, Huatulco still enjoys abundant sunlight, showing a remarkable consistency throughout the year. The month steadily follows the trend established since the summer, where sunnier days peak in May and July with around 326 and 325 hours, respectively. As fall transitions into winter, the sunshine hours gently taper off but remain significantly higher than the start of the year, where January offers just 248 hours. This steady abundance from December ensures visitors can revel in the warm, radiant atmosphere, making it a perfect time to escape the cold and embrace the tropical paradise.

Monthly Sunshine Duration in Santa Maria Huatulco: December Highlighted

The December sunshine duration represents the total number of hours Santa Maria Huatulco 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.
JanFebMarAprMayJunJulAugSepOctNovDec248h282h323h319h326h275h325h300h281h296h307h308h
Data source: Santa Maria Huatulco December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Maria Huatulco During December

As December rolls into Santa Maria Huatulco, the likelihood of enjoying sunny weather is quite promising, with a stunning 84% chance of sunshine. This trend marks a significant uptick compared to the preceding months, particularly after the peak rainy season which sees much lower probabilities of sun. Following a transition from October's 42% to November's more favorable 71%, December emerges as one of the brightest months of the year. This shift not only heralds the onset of winter but also invites visitors to bask in the warmth and beauty of this coastal paradise. So, if you're planning a getaway during this festive month, rest assured that sun-kissed afternoons await you!

Percentage of Sunny Days in December in Santa Maria Huatulco

The chart illustrates the percentage of sunny days in Santa Maria Huatulco 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 Santa Maria Huatulco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%82%84%68%44%12%25%16%12%42%71%85%
Data source: Santa Maria Huatulco December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Maria Huatulco in December

In Santa Maria Huatulco, Mexico, daylight duration experiences a subtle yet captivating rhythm throughout the year. As the calendar turns, January and February greet us with consistent 11 hours of daylight, setting the stage for longer days ahead. By March, the days stretch to 12 hours, marking the arrival of spring and a gradual transition into brighter months. This trend continues through April and May, where daylight lingers delightfully at 12 hours, inviting outdoor adventures. The sun reaches its zenith in June, offering an impressive 13 hours of daylight, perfect for soaking in the coastal charm. As summer wanes, the daylight begins to gently recede, returning to 12 hours from July to September. October and November bring back the 11 hours, creating a harmonious symmetry as the year draws to a close. Finally, December maintains this balanced duration of 11 hours, ensuring that Huatulco's enchanting landscapes are bathed in sunlight as we embrace the festive spirit of the season.

Average Daylight Hours in Santa Maria Huatulco for December

The chart illustrates the variation in daylight duration in Santa Maria Huatulco throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 17m11h 37m12h 2m12h 29m12h 51m13h 2m12h 56m12h 36m12h 11m11h 45m11h 22m11h 11m
Data source: Santa Maria Huatulco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santa Maria Huatulco

In Santa Maria Huatulco, Mexico, December brings a gentle breeze, with average wind speeds hovering around 1.7 m/s (4 mph). This marks a continuation of the calm months seen in late autumn, as November also recorded similar wind conditions. As the year draws to a close, the coastal environment remains tranquil, making it an ideal time for leisurely beach walks and serene sunset views. Looking back over the months, wind speeds are generally higher in the spring, peaking in April, suggesting a shift to more dynamic weather patterns as the year progresses. However, December's stillness creates a picturesque backdrop, inviting visitors to embrace the peaceful charm of this vibrant coastal town.

Average December Wind Speed in Santa Maria Huatulco

The chart displays monthly wind speed patterns in Santa Maria Huatulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.62.53.02.42.31.82.42.02.01.71.7 m/s
Data source: Santa Maria Huatulco December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santa Maria Huatulco Compares to Other Months

The weather in Santa Maria Huatulco 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 Santa Maria Huatulco and find detailed weather information for every month.

In December, the weather in Santa Maria Huatulco sees average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average temperature of 25°C (77°F). The month experiences about 20 mm (0.8 in) of precipitation over four days, accompanied by a humidity level of 72%. In contrast, January is slightly cooler with a minimum temperature of 18°C (65°F) and a maximum of 30°C (87°F), while maintaining the same average of 25°C (77°F). Precipitation increases slightly to 21 mm (0.8 in) over five days, and humidity decreases to 67%. For more details on January's weather, you can check Santa Maria Huatulco weather in January.

December and February both feature warm temperatures, making them pleasant months in Santa Maria Huatulco. In December, the temperature ranges from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). The month experiences a bit more humidity at 72% and receives approximately 20 mm (0.8 in) of precipitation over four days. In contrast, February tends to be slightly warmer, with temperatures varying from 18°C (65°F) to 31°C (88°F), while maintaining the same average of 25°C (77°F). February is drier, with only 12 mm (0.5 in) of precipitation across four days and a lower humidity level of 66%. For more detailed weather information, visit Santa Maria Huatulco weather in February.

In December, the weather in Santa Maria Huatulco features a minimum temperature of 19°C (67°F) and averages around 25°C (77°F), with a maximum reaching up to 29°C (85°F). This month sees about 20 mm (0.8 in) of precipitation over four days and experiences a humidity level of 72%.

In contrast, March offers slightly warmer temperatures, with a minimum of 20°C (69°F), an average of 26°C (79°F), and a maximum of 31°C (89°F). Precipitation in March is somewhat reduced at 16 mm (0.6 in) over the same four-day period, and humidity drops to 63%.

For a detailed look at March weather, you can visit Santa Maria Huatulco weather in March.

When comparing the weather in December and April, December offers slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), while April sees warmer conditions, with a minimum of 21°C (70°F) and an average of 26°C (80°F). In terms of maximum temperatures, December peaks at 29°C (85°F), whereas April can reach up to 32°C (90°F). Precipitation levels are fairly similar, with December receiving 20 mm (0.8 inches) over about four days and April experiencing slightly more rain at 25 mm (1.0 inch) across five days. Notably, the humidity in December is higher at 72%, compared to 66% in April. For more detailed information, you can visit Santa Maria Huatulco weather in April.

In December, the weather in Santa Maria Huatulco is generally warm, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F) and an average of 25°C (77°F). Precipitation is relatively low, with only 20 mm (0.8 in) spread over 4 days, keeping humidity at a comfortable 72%. In contrast, May sees higher temperatures, ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). However, it also experiences significantly higher rainfall, totaling 141 mm (5.5 in) over 17 days, while humidity remains similar at 71%. For more detailed information, you can check Santa Maria Huatulco weather in May.

In contrast to December's warm and relatively dry weather, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F) and only 20 mm (0.8 in) of precipitation over 4 days, June presents a much more humid and wetter climate. During June, temperatures are slightly higher, with a minimum of 23°C (74°F) and a peak of 32°C (89°F), but the region experiences significantly increased rainfall, totaling 519 mm (20.4 in) across 24 days. Humidity levels are similar, hovering around 72-73%. For a detailed look at the climatic conditions, you can check the Santa Maria Huatulco weather in June.

December weather in Santa Maria Huatulco features mild temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), reaching a maximum of 29°C (85°F). The month experiences relatively low precipitation, totaling 20 mm (0.8 in) over just 4 days, and humidity is moderate at 72%. In contrast, the weather in July is significantly warmer, with minimum temperatures of 23°C (74°F), an average of 27°C (80°F), and maximums of 31°C (87°F). July is also much wetter, with a substantial 170 mm (6.7 in) of rainfall spread over 25 days, and increased humidity at 78%. For more detailed information, you can check Santa Maria Huatulco weather in July.

In December, the weather in Santa Maria Huatulco is generally milder, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F). The month experiences relatively low precipitation, with only 20 mm (0.8 in) falling over just four days, while humidity sits at 72%.

In contrast, August is much warmer and wetter, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). This month sees a significant amount of rain, totaling 310 mm (12.2 in) across 25 days, and humidity rises slightly to 78%. For more information on the weather specifics in August, you can visit Santa Maria Huatulco weather in August.

December and September present contrasting weather conditions. In December, temperatures are milder, ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). The month also sees relatively low precipitation, totaling just 20 mm (0.8 in) over four days, and humidity sits at 72%. In contrast, September is warmer, with minimum temperatures of 23°C (74°F) and maximums reaching 30°C (87°F), averaging 26°C (79°F). However, it brings significant rainfall, accumulating 358 mm (14.1 in) across 26 days, and higher humidity at 77%. For more detailed information on September weather, check Santa Maria Huatulco weather in September.

When comparing the weather in December to that of October, a noticeable shift in temperature and precipitation can be observed. December features a more moderate temperature range with minimums of 19°C and maximums reaching 29°C, resulting in a pleasant average of 25°C. In contrast, October tends to be warmer with minimum temperatures at 23°C and peak temperatures hitting 30°C. Additionally, October experiences significantly higher precipitation levels, with 440 mm over 26 days, compared to December's much drier conditions of just 20 mm across 4 days. With higher humidity in October at 77% versus December's 72%, the contrast in weather patterns highlights a transition towards a more stable and pleasant climate as the year ends. For more detailed insights on October weather, visit Santa Maria Huatulco weather in October.

In comparing the weather between December and November, December showcases slightly milder temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), compared to November's minimum of 20°C (69°F) and average of 26°C (78°F). The maximum temperatures also reflect a marginal decrease, reaching 29°C (85°F) in December versus November’s 30°C (87°F). Notably, December experiences significantly less precipitation, accumulating only 20 mm (0.8 in) over 4 days, while November sees a substantial 75 mm (2.9 in) over 15 days, making December a drier month overall. Humidity levels are somewhat comparable, with December at 72% and November slightly higher at 75%. For a more detailed understanding of the November weather patterns, visit Santa Maria Huatulco weather in November.

Compare Santa Maria Huatulco's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santa Maria Huatulco

As December arrives in Santa Maria Huatulco, visitors can expect a delightful shift in weather compared to the preceding months. The warm, tropical climate remains inviting with daytime temperatures averaging a pleasant 25°C (77°F), perfect for exploring the stunning coastline. While you might encounter a few rainy days, the total precipitation is relatively low, allowing plenty of time to soak up the sun and enjoy outdoor activities. Humidity levels hover around 72%, creating a comfortable atmosphere for both relaxation and adventure. For those curious about the broader climate patterns in this stunning destination, more detailed insights can be found at Santa Maria Huatulco Climate.