December Weather in San Carlos, Mexico

Last updated: April 22, 2025

December in San Carlos, Mexico, offers a pleasant escape from the winter chill, with maximum temperatures reaching up to 33°C (92°F) and a comfortable average of 23°C (74°F). Visitors can expect cooler nights, with temperatures dipping to a minimum of 12°C (55°F). While the month sees 11 days of precipitation, accumulating around 99 mm (3.9 in), the high humidity of 88% often enhances the tropical atmosphere, making it a unique destination for those seeking a warm coastal retreat. Enjoy the vibrant beauty of San Carlos as it transitions into the new year!

December Temperature in San Carlos

In December, San Carlos, Mexico, experiences a delightful shift in temperatures as the year comes to a close. With minimums dropping to a brisk 12°C (55°F) and daytime averages hovering around 23°C (74°F), the climate is pleasantly mild. The maximum temperature peaks at 33°C (92°F), providing a perfect blend of warmth for those looking to escape colder regions. This month marks a subtle transition, as temperatures gradually lower compared to the hotter months of summer, yet still maintain the inviting atmosphere that makes San Carlos a popular destination. As a lovely prelude to winter, December invites visitors to enjoy outdoor activities while basking in the sun-kissed coastal charm.

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

The chart illustrates December temperature patterns in San Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737679838684858482807674
Data source: Temperature data for San Carlos 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 Carlos

December in San Carlos, Mexico, wraps up the year with 99 mm (3.9 in) of precipitation over 11 days, maintaining a wet yet manageable climate. As the final month of the year, December sees a notable decrease in rainfall compared to the deluges of October and September, which can bring up to 305 mm (12.0 in) and 209 mm (8.2 in), respectively. This month’s rainfall is consistent with the upward trend seen from November's 169 mm (6.6 in), signaling the tail end of the rainy season. Visitors can expect sporadic showers, perfect for enjoying the lush landscapes while avoiding the peak of the wettest months earlier in the year.

December Precipitation Trends in San Carlos

The chart displays monthly precipitation patterns in San Carlos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec100463649982596411621030516999
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Carlos

In December, San Carlos, Mexico experiences a notable consistency in its humidity levels, with humidity peaking at 88%. This marks the culmination of a year characterized by a gradual rise in moisture, especially from the late summer months onward. Starting at 66% in March, the humidity steadily climbed over the months, with July, August, and September all hovering around 82% to 87%. As the year draws to a close, the consistently high humidity of December reflects the region's tropical climate, creating a lush atmosphere that complements the seasonal warmth. This trend not only underscores the area's unique weather patterns but also enhances the picturesque beauty of San Carlos during the winter months.

December Average Humidity in San Carlos

This chart illustrates the average monthly humidity levels in San Carlos, 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 San Carlos

In December, San Carlos experiences a UV Index of 8, categorized as very high with a burn time of 15 minutes. This slight decrease from November's UV Index of 9 indicates a gradual transition into the cooler months, though sun protection remains essential. Throughout the year, the region consistently faces extreme exposure levels, particularly from February to June, where readings peak at 14. The UV Index tends to stabilize around 13 during the summer months, before tapering off slightly in the fall and winter. Residents and visitors alike should stay vigilant about sun safety year-round, especially during those peak months. For further insights into UV levels year-round, check out the comprehensive details here: San Carlos UV Index.

Maximum UV Index Levels in San Carlos for December

The chart shows the monthly maximum UV Index (UVI) for San Carlos 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141313131298
Data source: San Carlos 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 Carlos

In December, San Carlos, Mexico, basks in a splendid 270 hours of sunshine, setting a warm tone for the year-end festivities. The month maintains a consistent brightness characteristic of this coastal paradise, just slightly below the sun-drenched peak of 317 hours in May. Interestingly, December’s sunshine hours showcase a smooth transition from the earlier months, with a notable increase compared to November's 267 hours. As you venture into the New Year, enjoy the captivating sunsets that grace the vibrant skies, reminding us that even during winter, San Carlos shines bright, inviting visitors to relish its mild winter charm.

Monthly Sunshine Duration in San Carlos: December Highlighted

The December sunshine duration represents the total number of hours San Carlos 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.
JanFebMarAprMayJunJulAugSepOctNovDec204h261h303h305h317h281h327h322h291h279h267h270h
Data source: San Carlos December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Carlos During December

In December, San Carlos, Mexico, revels in a sunny transformation, boasting an impressive 71% chance of sunshine. This marks a notable high when compared to the preceding months, showcasing a delightful upward trend as the year draws to a close. After a gradual ascent from January's modest 39%, December stands out among the colder months, promising plenty of bright, sunny days perfect for beach outings or exploring the stunning landscapes. As the holiday season approaches, visitors can expect a vibrant atmosphere filled with warmth and light, making this coastal gem an irresistible destination for sun-seekers.

Percentage of Sunny Days in December in San Carlos

The chart illustrates the percentage of sunny days in San Carlos 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 Carlos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%68%71%58%40%19%35%34%26%39%48%71%
Data source: San Carlos December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Carlos in December

In San Carlos, Mexico, the daylight duration showcases a rhythmic pattern throughout the year. Beginning with 11 hours of daylight in both January and February, the days gradually lengthen as spring approaches, peaking at 13 hours during the summer months of June and July. This abundance of daylight invites residents and visitors alike to embrace outdoor activities. As summer wanes, daylight begins to retreat, transitioning back to 12 hours in August and September. The cycle concludes with a return to 11 hours in October, November, and December, creating a predictable yet soothing rhythm that characterizes the region’s climate. This steady fluctuation not only enhances the beauty of each season but also supports a vibrant lifestyle enjoyed year-round.

Average Daylight Hours in San Carlos for December

The chart illustrates the variation in daylight duration in San Carlos throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 11m11h 33m12h 3m12h 32m12h 57m13h 9m13h 2m12h 40m12h 12m11h 42m11h 17m11h 4m
Data source: San Carlos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Carlos

As December sweeps into San Carlos, the winds begin to pick up slightly from the calmer fall months. With an average wind speed of 2.1 m/s (5 mph), December offers a refreshing breeze that complements the pleasant temperatures, making it an ideal time for outdoor activities. Notably, this uptick marks a subtle transition from November's tranquil conditions, where winds lingered at a mere 1.5 m/s (3 mph). As we reflect on the year, July remains the standout month, boasting the highest winds at 2.7 m/s (6 mph), yet December's breezy touch serves as a reminder of the gentle but invigorating air that characterizes the winter season in this coastal paradise.

Average December Wind Speed in San Carlos

The chart displays monthly wind speed patterns in San Carlos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.22.32.12.01.62.72.31.51.51.52.1 m/s
Data source: San Carlos December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Carlos Compares to Other Months

The weather in San Carlos 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 Carlos and find detailed weather information for every month.

In December, temperatures in San Carlos range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). This month experiences around 99 mm (3.9 in) of precipitation over 11 days and a high humidity level of 88%. In contrast, January sees a slight increase in temperatures, with a minimum of 13°C (56°F) and a maximum reaching 34°C (93°F), while still maintaining the same average of 23°C (74°F). January also experiences similar precipitation levels at 100 mm (3.9 in) but over fewer days (9) and slightly lower humidity at 83%. For more detailed information, you can check San Carlos weather in January.

In comparing the weather between December and February, we see a noticeable increase in temperature and a decrease in humidity. December experiences a minimum temperature of 12°C (55°F), with an average of 23°C (74°F) and a maximum of 33°C (92°F), accompanied by significant rainfall of 99 mm (3.9 in) over 11 days and high humidity at 88%. In contrast, February records slightly warmer temperatures, with a minimum of 13°C (56°F), an average of 25°C (76°F), and a maximum of 35°C (95°F). Precipitation drops to 46 mm (1.8 in) over just 5 days, and humidity decreases to a more comfortable 76%. For more details on February's weather, you can visit San Carlos weather in February.

December and March present distinct weather patterns in San Carlos. In December, temperatures range from a cooler minimum of 12°C (55°F) to an average of 23°C (74°F) and a maximum of 33°C (92°F). The month is characterized by higher humidity at 88% and significant precipitation, totaling 99 mm (3.9 in) over 11 rainy days. In contrast, March experiences warmer conditions, with temperatures ranging from a minimum of 15°C (60°F) to an average of 26°C (79°F) and peaking at 37°C (99°F). This month sees a considerable reduction in rainfall, with only 36 mm (1.4 in) over 6 days, and humidity drops to a more comfortable 66%. For a more detailed look at San Carlos weather, check out San Carlos weather in March.

In December, temperatures range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). The month is marked by high humidity at 88% and considerable precipitation, totaling 99 mm (3.9 in) over 11 days. In contrast, April sees warmer temperatures with a minimum of 17°C (63°F), an average of 29°C (84°F), and a peak of 41°C (106°F). Precipitation drops significantly to 49 mm (1.9 in) across just 7 days, alongside lower humidity at 59%. This shift from December to April highlights the transition from a cooler, wetter climate to a hotter, drier one. For more specific details, check San Carlos weather in April.

In December, temperatures in San Carlos range from a mild 12°C (55°F) at night to a warm maximum of 33°C (92°F) during the day, with an average of 23°C (74°F). The month features high humidity at 88%, alongside 99 mm (3.9 in) of precipitation spread over 11 days. In contrast, May experiences significantly warmer weather, with temperatures starting at a minimum of 19°C (66°F) and peaking at a scorching 41°C (106°F), averaging 30°C (86°F). Despite almost identical precipitation totals of 98 mm (3.9 in) over 11 days, May has a notably lower humidity level of 64%, making it feel less muggy. For a detailed overview of May weather in San Carlos, visit San Carlos weather in May.

In December, the weather is characterized by milder temperatures, with a minimum of 12°C (55°F) and an average of 23°C (74°F), peaking at 33°C (92°F). The month sees considerable precipitation, totaling 99 mm (3.9 in) over 11 days, along with a high humidity level of 88%. In contrast, June is much warmer, with minimum temperatures starting at 22°C (72°F) and averages around 29°C (84°F), reaching maximum highs of 38°C (101°F). June experiences significantly more rainfall, receiving 259 mm (10.2 in) over 18 days, but with lower humidity at 69%. For more detailed insights, you can check San Carlos weather in June.

In December, the weather is generally milder, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 33°C (92°F) and an average of 23°C (74°F). The month is characterized by higher humidity at 88% and more frequent rainfall, totaling 99 mm (3.9 in) over 11 days. In contrast, July experiences significantly warmer temperatures, with lows of 22°C (73°F) and highs reaching up to 40°C (104°F), averaging 29°C (85°F). While July sees slightly less precipitation at 64 mm (2.5 in) across 13 days and lower humidity at 82%, the heat can feel intense. For more detailed information, you can check San Carlos weather in July.

In December, temperatures in San Carlos range from a mild minimum of 12°C (55°F) to a comfortable maximum of 33°C (92°F), with an average temperature of 23°C (74°F). The month experiences significant rainfall, totaling 99 mm (3.9 in) across about 11 days, and humidity levels are relatively high at 88%. Conversely, August brings warmer conditions, with minimum temperatures starting at 22°C (73°F) and soaring to a maximum of 38°C (101°F), averaging around 29°C (84°F). The summer month sees even more precipitation, with 116 mm (4.6 in) over 19 days, while the humidity remains similar at 87%. For those interested in more specifics about August weather, you can explore San Carlos weather in August.

In comparing the weather between December and September, we see notable differences in temperature and precipitation. December experiences milder temperatures, with a minimum of 12°C (55°F), an average of 23°C (74°F), and a maximum of 33°C (92°F). In contrast, September is significantly warmer, featuring a minimum of 22°C (72°F), an average of 28°C (83°F), and a maximum of 38°C (101°F). Precipitation is also more prominent in September, with 209 mm (8.2 in) over 23 days, compared to December's 99 mm (3.9 in) over just 11 days. The humidity levels remain relatively high in both months, at 88% in December and 87% in September. For more details about September's weather, you can check out San Carlos weather in September.

In comparing the weather between December and October, December typically features a milder temperature range, with minimums around 12°C (55°F) and maximums reaching 33°C (92°F), while October experiences warmer temperatures, with minimums of 20°C (67°F) and maximums peaking at 35°C (96°F). October is notably wetter, with an average precipitation of 305 mm (12.0 in) over 22 days, compared to December's 99 mm (3.9 in) spread over just 11 days. Both months have a consistent humidity level of 88%, creating a similarly humid atmosphere, but the increased rainfall in October sets it apart as a wetter month. For more detailed insights, check San Carlos weather in October.

In comparing the weather of December to November, we see slight differences in temperature and precipitation patterns. December experiences a minimum temperature of 12°C (55°F) and an average of 23°C (74°F), compared to November's warmer minimum of 16°C (61°F) and average of 25°C (77°F). Both months have high humidity levels at 88%, but December is generally cooler with a maximum of 33°C (92°F), slightly less than November's peak of 34°C (94°F). Additionally, December has reduced precipitation, with 99 mm (3.9 in) over 11 days, while November is wetter, receiving 169 mm (6.6 in) across 16 days. For more detailed information, you can check San Carlos weather in November.

Compare San Carlos's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Carlos

As December rolls into San Carlos, the weather showcases a unique blend of warmth and moisture that sets it apart from other months. With comfortable daytime temperatures averaging 23°C (74°F) and maximum highs soaring to 33°C (92°F), this month offers a delightful escape from the summer heat. However, it also brings increased humidity at 88%, along with notable rainfall, totaling about 99 mm over 11 days, which can make for a lush and vibrant coastal landscape. This combination creates a refreshing atmosphere that is distinctly different from the dryer, sweltering months preceding it. For more insights into the overall climate patterns, visit San Carlos Climate.