December Weather in Santa Maria del Mar, Mexico

Last updated: April 22, 2025

December in Santa Maria del Mar, Mexico offers a delightful blend of mild weather and refreshing coastal breezes. With maximum temperatures reaching 32°C (90°F) and an average of 25°C (78°F), locals and visitors alike enjoy warm days under the sun. Nighttime brings a cool respite with temperatures dipping to a comfortable 17°C (63°F). Although the month sees a modest precipitation amount of just 9 mm (0.4 in) over 2 days, the humidity remains high at 88%, contributing to the lush tropical ambiance. This climate creates an ideal backdrop for beach activities and exploring the vibrant local culture.

December Temperature in Santa Maria del Mar

In December, Santa Maria del Mar experiences a delightful transition into the cooler part of the year, with temperatures ranging from a minimum of 17°C (63°F) to a pleasant average of 25°C (78°F) and a maximum reaching 32°C (90°F). This month marks a gradual decrease from the warmer, summer-like temperatures seen in the earlier months, providing a refreshing escape for visitors. Notably, the chill of the evenings contrasts beautifully with the warm afternoons, making December an ideal time for both relaxing beach days and cozy nights under the stars. As the year draws to a close, the mild weather invites outdoor adventures and cultural festivities, all set against the backdrop of stunning coastal scenery.

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

The chart illustrates December temperature patterns in Santa Maria del Mar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec767880828382848382817977
Data source: Temperature data for Santa Maria del Mar 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 del Mar

In December, Santa Maria del Mar experiences a slight lull in precipitation, with just 9 mm (0.4 in) recorded over 2 days. This marks a steep drop from the intense rainfall seen during the summer months, particularly in June when the region saw a staggering 416 mm (16.4 in). As the year draws to a close, the transition from the heavy rains of late summer and early autumn to the drier winter months becomes evident. This pattern reflects a significant shift, where the Pacific coastal climate brings cooler, drier conditions, creating a peaceful atmosphere perfect for enjoying the serene beauty of the beach.

December Precipitation Trends in Santa Maria del Mar

The chart displays monthly precipitation patterns in Santa Maria del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec61061711741711326328718669
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Maria del Mar

December in Santa Maria del Mar, Mexico, wraps up the year with a notable humidity level of 88%, maintaining the trend of high humidity that characterizes the latter part of the year. Starting from October, when humidity reaches a peak of 88%, the levels remain consistent through November and December, signaling the arrival of the winter season characterized by moist coastal air. This high humidity, seen since August, ensures that the region remains lush, fostering a vibrant atmosphere even as the year comes to a close. With a significant drop from the dry months of April and May, when humidity levels dipped to around 59% to 64%, the transition back to the tropical climate becomes evident. As the calendar turns to December, one can expect a warm, enveloping moisture that enhances the tropical charm of Santa Maria del Mar.

December Average Humidity in Santa Maria del Mar

This chart illustrates the average monthly humidity levels in Santa Maria del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Maria del Mar

In December, Santa Maria del Mar experiences a UV Index of 8, placing it in the very high exposure category with a burn time of 15 minutes. This marks a slight decline from the extreme levels seen in the peak summer months, where the UV Index hits its maximum at 14 in July. Overall, from January to December, there's a clear trend of rising UV exposure, with the index fluctuating between very high and extreme categories, especially from February through October. To stay safe under the sun's rays, it's essential to monitor the UV levels closely and take appropriate precautions. For more detailed insights, visit Santa Maria del Mar UV Index.

Maximum UV Index Levels in Santa Maria del Mar for December

The chart shows the monthly maximum UV Index (UVI) for Santa Maria del Mar 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.
JanFebMarAprMayJunJulAugSepOctNovDec9121313131314131312108
Data source: Santa Maria del Mar 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 del Mar

In December, Santa Maria del Mar basks in a generous 311 hours of sunshine, marking a delightful crescendo as the year draws to a close. This sun-soaked month continues the trend of plentiful daylight seen throughout the year, especially notable in the sun-rich July, which boasts the highest average at 325 hours. Following a consistent pattern, December's sunshine hours remain strong and are complemented by the warm, inviting climate that characterizes the region. As we transition from the vibrant summer months to the more temperate winter, the steady flow of sunshine makes Santa Maria del Mar an alluring destination, perfect for basking in the warmth of the season while the rest of the world embraces the chill.

Monthly Sunshine Duration in Santa Maria del Mar: December Highlighted

The December sunshine duration represents the total number of hours Santa Maria del Mar 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h281h324h317h323h269h325h304h287h300h309h311h
Data source: Santa Maria del Mar December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Maria del Mar During December

In Santa Maria del Mar, Mexico, December boasts a notably high 86% chance of sunny weather, making it one of the sunniest months of the year, alongside February. As the year progresses from January's 61% chance of sun through the summer months—where sunny days drop to an annual low of 14% in June—December emerges as a favorite for sun-seekers. The trend showcases a distinct pattern where the likelihood of sunny weather tends to increase significantly before the holiday season, providing residents and visitors alike with perfect conditions to enjoy the vibrant coastal scenery. Thus, if you're planning a getaway in December, expect plenty of sunshine to brighten your holiday festivities!

Percentage of Sunny Days in December in Santa Maria del Mar

The chart illustrates the percentage of sunny days in Santa Maria del Mar 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 del Mar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%86%82%61%40%14%29%22%17%48%71%86%
Data source: Santa Maria del Mar December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Maria del Mar in December

In Santa Maria del Mar, Mexico, the daylight duration exhibits a rhythmic pattern throughout the year, with December offering about 11 hours of sunlight. This duration mirrors the earlier winter months, January and February, where daylight remains consistent, creating a serene and tranquil atmosphere perfect for relaxation. As spring unfolds in March, the days gradually elongate, reaching a peak of 13 hours in the lush, sun-soaked month of June. Following this zenith, daylight begins to retract, settling back into the comforting 11-hour range by late fall in October and again in November. The consistent daylight hours in December not only reflect the seasonal transitions but also contribute to the region's inviting climate for visitors looking to bask in its natural beauty.

Average Daylight Hours in Santa Maria del Mar for December

The chart illustrates the variation in daylight duration in Santa Maria del Mar throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 16m11h 36m12h 2m12h 30m12h 52m13h 3m12h 57m12h 37m12h 11m11h 44m11h 21m11h 10m
Data source: Santa Maria del Mar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santa Maria del Mar

As December unfolds in Santa Maria del Mar, Mexico, the coastal breeze dances lightly with an average wind speed of 6.9 m/s (15 mph), offering a refreshing respite from the warmer months. Following a notable spike in November, where winds reached 9.6 m/s (22 mph), December's winds settle into a more temperate rhythm, reminiscent of the early spring months. This variation suggests a transition, as the winds gradually calm down after the invigorating gusts of late fall. Compared to the peak of late spring, when winds soar to 8.3 m/s (19 mph) in January, the December breezes provide a gentle caress that enhances the serene beauty of this coastal paradise. With milder winds and pleasant temperatures, visitors can indulge in tranquil beach walks, where the whispering air beckons them to relax and savor the coastal charm.

Average December Wind Speed in Santa Maria del Mar

The chart displays monthly wind speed patterns in Santa Maria del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.36.97.35.85.42.95.94.64.45.99.66.9 m/s
Data source: Santa Maria del Mar December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santa Maria del Mar Compares to Other Months

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

In December, the weather in Santa Maria del Mar features a warm range of temperatures, with a minimum of 17°C (63°F) and a maximum reaching 32°C (90°F). The month sees relatively high humidity at 88% and experiences a slight amount of rainfall, totaling 9 mm (0.4 in) over 2 days. In contrast, January offers slightly milder conditions, with a minimum temperature of 18°C (64°F) and a maximum of 31°C (88°F). Rainfall decreases to 6 mm (0.2 in) across just 1 day, and humidity eases to 83%. For more detailed insights into January's climate, visit Santa Maria del Mar weather in January.

In December, the weather in Santa Maria del Mar features temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average temperature of 25°C (78°F). This month experiences relatively high humidity at 88% and receives about 9 mm (0.4 in) of precipitation over just 2 days. In contrast, February sees a slight increase in average temperature, with a minimum of 17°C (64°F) and an average of 26°C (78°F), while still peaking at 32°C (90°F). Precipitation in February is slightly higher at 10 mm (0.4 in) over the same number of rainy days, but humidity drops to a more comfortable 76%. For a closer look at the weather specifics during this time, you can refer to Santa Maria del Mar weather in February.

In comparing the weather of December and March, we see a notable shift in temperatures and humidity levels. December typically enjoys warmer daytime averages of around 25°C (78°F), with maximums reaching up to 32°C (90°F) and higher humidity at 88%. Conversely, March experiences slightly warmer average temperatures of 27°C (80°F) and can peak at 34°C (93°F), yet it has a significantly lower humidity level of 66%. Additionally, precipitation in December is slightly higher at 9 mm (0.4 in) over about two days, compared to just 5 mm (0.2 in) in March over one day. For more detailed insights, you can check out the Santa Maria del Mar weather in March.

December and April exhibit distinct weather patterns in terms of temperature, precipitation, and humidity. In December, temperatures range from a mild 17°C (63°F) at night to a warm 32°C (90°F) during the day, with an average of 25°C (78°F). The month sees minimal rainfall, with only 9 mm (0.4 in) over two days and high humidity at 88%. In contrast, April experiences warmer temperatures, with a minimum of 22°C (71°F) and a maximum of 34°C (94°F), averaging 28°C (82°F). Precipitation increases in April to 17 mm (0.7 in) over four days, and the humidity drops significantly to 59%. For more details on the weather in April, visit Santa Maria del Mar weather in April.

December and May present contrasting weather conditions in Santa Maria del Mar. In December, temperatures range from a mild 17°C (63°F) to a warm 32°C (90°F), with an average of 25°C (78°F). The month experiences low precipitation of only 9 mm (0.4 in) across just 2 days, coupled with high humidity at 88%. In contrast, May sees higher temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (95°F), averaging around 29°C (84°F). However, this month is notably wetter, recording 117 mm (4.6 in) of rain over 15 days, while humidity drops to a more comfortable 64%. For more insights on May weather, check out Santa Maria del Mar weather in May.

When comparing the weather in December and June, notable differences emerge. December features a more moderate climate with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), accompanied by low humidity at 88% and minimal precipitation of just 9 mm over 2 days. In contrast, June experiences warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (93°F), but it is significantly wetter, receiving 416 mm (16.4 in) of rain over 23 days, and has lower humidity at 69%. For more details on June weather in Santa Maria del Mar, you can explore Santa Maria del Mar weather in June.

December and July present quite contrasting weather patterns. In December, temperatures range from a mild minimum of 17°C (63°F) to a comfortable average of 25°C (78°F), peaking at a maximum of 32°C (90°F). This month experiences minimal precipitation, with only 9 mm (0.4 in) over just 2 days, and humidity is relatively high at 88%. In contrast, July is significantly warmer, with lows starting at 25°C (77°F) and averaging around 29°C (84°F), reaching up to 34°C (93°F). Rainfall is much more frequent in July, totaling 113 mm (4.5 in) over 14 days, though the humidity is slightly lower at 82%. For more details, you can check Santa Maria del Mar weather in July.

When comparing December and August weather, a notable difference in temperature can be observed. December experiences milder temperatures with a minimum of 17°C (63°F) and a maximum of 32°C (90°F), averaging around 25°C (78°F). In contrast, August is warmer, with minimums of 25°C (76°F) and maximums reaching 34°C (93°F), averaging 28°C (83°F). Additionally, August is significantly wetter, receiving 263 mm (10.4 in) of precipitation over 18 days, while December sees only 9 mm (0.4 in) over just 2 days, despite both months sharing high humidity levels of around 87-88%. For more detailed insights, check out Santa Maria del Mar weather in August.

In comparing the weather of December and September, December features milder temperatures with a minimum of 17°C (63°F) and an average of 25°C (78°F), while September boasts warmer conditions with a minimum of 25°C (77°F) and an average of 28°C (83°F). Precipitation levels differ significantly, as September experiences a substantial 287 mm (11.3 in) of rain over 20 days, in stark contrast to December's much drier climate with only 9 mm (0.4 in) of precipitation over just 2 days. Humidity levels remain quite similar, with December at 88% and September at 87%, contributing to a steamy atmosphere during the latter month. For more details on September's weather, visit Santa Maria del Mar weather in September.

December weather in Santa Maria del Mar is generally milder compared to October, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F) and an average of 25°C (78°F). In contrast, October tends to be warmer, featuring a minimum of 23°C (73°F), an average of 27°C (81°F), and a high of 33°C (92°F). Additionally, December experiences significantly less rainfall, with only 9 mm (0.4 in) over 2 days, while October sees a substantial increase in precipitation at 186 mm (7.3 in) across 12 days. Both months have a consistent humidity level of 88%, contributing to a tropical feel in the region. For more detailed insights, you can check Santa Maria del Mar weather in October.

When comparing the weather in December to that of November, December features slightly lower minimum and average temperatures, with December's minimum at 17°C (63°F) and average at 25°C (78°F), compared to November's minimum of 18°C (64°F) and average of 26°C (79°F). Both months experience a maximum temperature of 32°C (90°F), indicating a consistent warmth. Furthermore, December has marginally higher precipitation, recording 9 mm (0.4 in) over 2 days, while November sees just 6 mm (0.2 in) over 1 day. Humidity levels remain the same at 88% for both months, contributing to a tropical feel. For more detailed insights on November weather, check out Santa Maria del Mar weather in November.

Compare Santa Maria del Mar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santa Maria del Mar

In December, Santa Maria del Mar enjoys a unique climate that sets it apart from the rest of the year. With pleasantly warm temperatures averaging around 25°C (78°F), this month brings a refreshing change from the sweltering heat of summer. While the humidity remains notable at 88%, the overall weather is characterized by minimal rainfall, featuring only a couple of rainy days and a total precipitation of just 9 mm (0.4 in). This balance of warmth and low precipitation makes December an ideal time to explore the area, offering a delightful escape from colder regions. For a more detailed understanding of the weather throughout the year, visit Santa Maria del Mar Climate.