December Weather in Isla Cozumel, Mexico

Last updated: April 22, 2025

Explore the enchanting weather of Isla Cozumel, Mexico in December, where temperatures gracefully fluctuate between a maximum of 23°C (73°F) and a minimum of 8°C (46°F). With an average temperature hovering around 14°C (58°F), visitors can enjoy a comfortably mild climate perfect for outdoor adventures. Although the island experiences 68 mm (2.7 in) of precipitation over 6 days, the 74% humidity adds a refreshing tropical touch to the air, making it an ideal time for those seeking a serene getaway. The combination of warm days and cool nights creates a unique atmosphere, inviting travelers to immerse themselves in the beauty of Cozumel.

December Temperature in Isla Cozumel

In December, Isla Cozumel, Mexico, experiences a mild transition into the cooler months, with temperatures averaging around 14°C (58°F). The month begins with minimums of 8°C (46°F), rising to pleasant daytime highs of 23°C (73°F). This marks a notable dip from the preceding months, where temperatures consistently hovered above 20°C (68°F), particularly in October and November. The cooler air makes December an ideal time for outdoor activities, while still allowing visitors to enjoy the sun without the intensity of summer heat. As the year ends, the climate invites a comfortable blend of warmth and cool breezes, perfect for exploring the island's natural beauty and vibrant culture.

December Weather in Isla Cozumel: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Isla Cozumel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575657606164697169676257
Data source: Temperature data for Isla Cozumel 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 Isla Cozumel

December marks a noticeable uptick in precipitation in Isla Cozumel, Mexico, with 68 mm (2.7 in) of rain falling over 6 days. This climactic shift signals the end of the dry spell experienced from June to September, where rainfall was minimal. As the year wraps up, the island experiences a spike in precipitation compared to the preceding months, creating a refreshing contrast to the arid summer. November also saw a modest increase with 35 mm (1.4 in) over 2 days, but December's totals highlight a trend of returning humidity and the reawakening of lush landscapes. As the festive season approaches, visitors can expect a blend of warm temperatures and occasional rain, making it an ideal time to enjoy the island's vibrant atmosphere.

December Precipitation Trends in Isla Cozumel

The chart displays monthly precipitation patterns in Isla Cozumel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec60755727267556143568
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Isla Cozumel

December in Isla Cozumel, Mexico, marks a transition as humidity begins to rise again, settling at 74%. This increase follows a relatively dry stretch from May to August, where humidity levels dipped to as low as 42%. While the months leading up to December see fluctuations, with figures ranging from 46% to 77%, the end of the year signals a shift towards more humid conditions reminiscent of early winter. This return to moderate humidity creates a pleasantly warm atmosphere, making December an inviting time to enjoy the island's beaches and lush landscapes. As the year closes, the humidity trend indicates a seasonal rhythm, blending comfort with the vibrant natural beauty of the region.

December Average Humidity in Isla Cozumel

This chart illustrates the average monthly humidity levels in Isla Cozumel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Isla Cozumel

In December, Isla Cozumel, Mexico, experiences a return to moderate UV Index levels, sitting at 4, which indicates a more manageable sun exposure compared to the intense extremes of earlier months like May through August, which consistently boasted a UV Index of 11. This seasonal shift means a safer burn time of 30 minutes, allowing visitors to soak up the island's sun without the heightened risks observed in the peak summer months. As the year winds down, the UV Index reflects a gentle tapering off that encourages outdoor enjoyment while reminding sun seekers to always remain mindful of their sun protection. For more detailed insights, check out the complete guide at Isla Cozumel UV Index.

Maximum UV Index Levels in Isla Cozumel for December

The chart shows the monthly maximum UV Index (UVI) for Isla Cozumel 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110754
Data source: Isla Cozumel 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 Isla Cozumel

As December unfolds in Isla Cozumel, Mexico, visitors can still bask in a delightful 236 hours of sunshine, making it a charming escape from winter chills. While this marks a decrease from the peak of 375 hours in July, the island's sun-drenched days reflect the typical coastal pattern, tapering gently as the year winds down. The month stands out as a cozy conclusion to the year, with a consistent sunshine trend that begins in January's 196 hours and builds to a radiant crescendo by late spring and summer. December’s mild sun continues to beckon travelers to enjoy the vibrant culture and stunning shores, creating a warm and inviting holiday destination despite the gradual loss of daylight.

Monthly Sunshine Duration in Isla Cozumel: December Highlighted

The December sunshine duration represents the total number of hours Isla Cozumel 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h243h299h324h359h364h375h360h318h298h258h236h
Data source: Isla Cozumel December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isla Cozumel During December

As December approaches, the likelihood of sunny weather in Isla Cozumel, Mexico, dips to 45%, making it one of the cloudier months of the year. This contrasts sharply with the previous months, where sunshine chances consistently hover around the 60% mark, particularly in the peak of summer and early fall. Interestingly, while December's percentage is lower compared to the sun-kissed days of October and November, it remains a charming time to visit this tropical paradise. The cooler temperatures and festive ambiance still provide a delightful experience, even if the sun isn’t always shining brightly. So, while December may not guarantee endless sunshine, it nevertheless offers a unique blend of holiday spirit and natural beauty.

Percentage of Sunny Days in December in Isla Cozumel

The chart illustrates the percentage of sunny days in Isla Cozumel 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 Isla Cozumel experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%61%61%51%49%49%53%63%67%64%63%45%
Data source: Isla Cozumel December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isla Cozumel in December

In Isla Cozumel, Mexico, December brings a return to shorter days, with daylight lasting approximately 10 hours. As the year progresses from January's modest 10 hours, daylight gradually increases, peaking in June and July at a vibrant 14 hours. This sunny abundance begins to wane as summer transitions to fall, leading to September's 12 hours and a gradual decline through the autumn months. By the end of the year, both November and December echo the daylight hours of January, bringing a full circle to the annual rhythm of light and darkness. This trend highlights the island's tropical climate, where daylight duration creates a natural ebb and flow that enchants visitors year-round.

Average Daylight Hours in Isla Cozumel for December

The chart illustrates the variation in daylight duration in Isla Cozumel throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h 1m12h13h13h 50m14h 14m14h 1m13h 16m12h 19m11h 19m10h 27m10h 2m
Data source: Isla Cozumel daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Isla Cozumel

As December settles in Isla Cozumel, Mexico, the average wind speed picks up to a refreshing 3.1 m/s (7 mph), creating a delightful contrast to the milder breezes of the preceding months. This uptick mirrors a general trend observed throughout the year, where wind speeds fluctuate between 2.5 m/s in November and a peak of 3.3 m/s in March. Notably, the wind pattern demonstrates a gentle yet consistent rhythm, with December's stronger gusts providing a perfect backdrop for holiday festivities by the sea. This robust wind invites both relaxation and adventure, making it an ideal time for sailing and exploring the stunning coastlines.

Average December Wind Speed in Isla Cozumel

The chart displays monthly wind speed patterns in Isla Cozumel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.73.33.12.93.12.92.92.92.82.53.1 m/s
Data source: Isla Cozumel December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Isla Cozumel Compares to Other Months

The weather in Isla Cozumel 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 Isla Cozumel and find detailed weather information for every month.

In December, temperatures typically range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 14°C (58°F). The month sees approximately 68 mm (2.7 in) of precipitation over about 6 days, accompanied by relatively high humidity at 74%. In contrast, January features slightly cooler temperatures, with a minimum of 7°C (45°F) and the same maximum of 23°C (75°F), maintaining an average of 14°C (57°F). Precipitation decreases to 60 mm (2.3 in) over the same number of rainy days, and humidity slightly lowers to 72%. For more detailed weather information, you can refer to Isla Cozumel weather in January.

December and February in Isla Cozumel exhibit some notable differences in weather patterns. December typically sees a wider temperature range with a minimum of 8°C (46°F) and a maximum of 23°C (73°F), providing average daytime warmth of about 14°C (58°F). In contrast, February features slightly cooler mornings with a minimum temperature of 6°C (43°F) but can reach a maximum of 25°C (77°F), making it the warmest month. Both months experience moderate precipitation, with December receiving around 68 mm (2.7 in) over 6 days and February slightly higher at 75 mm (3.0 in) across 7 days. Humidity levels are also comparable, with December at 74% and February seeing a slight increase to 77%. For more detailed insights, you can refer to Isla Cozumel weather in February.

December and March exhibit quite similar weather patterns, with average temperatures hovering around 14°C (58°F). December experiences slightly higher temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), while March shows a minimum of 7°C (45°F) and a peak at 24°C (76°F). Precipitation in December is slightly higher at 68 mm (2.7 in) over 6 days compared to March's 57 mm (2.2 in) across 10 days. Furthermore, March has lower humidity levels at 67% compared to December's 74%. For more detailed information, check out Isla Cozumel weather in March.

In comparing the weather between December and April, December tends to be milder with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 23°C (73°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 6 days, contributing to a higher humidity level of 74%. In contrast, April experiences slightly warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 27°C (81°F). Rainfall is markedly less, totaling around 27 mm (1.1 in) over just 4 days, and humidity drops to 56%. For a closer look at the specifics, check out Isla Cozumel weather in April.

In comparing the weather conditions in December and May, we notice some notable differences. December features a minimum temperature of 8°C (46°F) and an average of 14°C (58°F), with a maximum reaching 23°C (73°F). Precipitation is higher during this month, totaling 68 mm (2.7 in) over 6 days, accompanied by a humidity level of 74%. In contrast, May sees a slightly warmer minimum temperature of 11°C (52°F) and a comfortable average of 16°C (61°F), with a peak of 24°C (76°F). The month is much drier, receiving only 26 mm (1.0 in) of rainfall over the same 6 days, and the humidity drops to a more pleasant 46%. For more detailed information, you can check Isla Cozumel weather in May.

December and June exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 14°C (58°F) and a relatively high humidity of 74%. This month also experiences an average of 68 mm (2.7 in) of precipitation over six days, contributing to a cooler, more damp atmosphere. In contrast, June boasts warmer conditions with a minimum of 14°C (57°F) and a maximum of 27°C (80°F), averaging 18°C (65°F). The month is notably dry, with just 7 mm (0.3 in) of precipitation over no rainy days and lower humidity of 48%. For more details, check out Isla Cozumel weather in June.

In December, the weather tends to be milder with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 23°C (73°F). It experiences more precipitation, totaling 68 mm (2.7 in) over about 6 days, contributing to a higher humidity level of 74%. In contrast, July boasts warmer temperatures, with averages ranging from a minimum of 16°C (60°F) to a maximum of 28°C (83°F). This month is characterized by minimal rainfall, only 5 mm (0.2 in) with no recorded rainy days, resulting in a lower humidity of 46%. For more detailed information on July weather, check out Isla Cozumel weather in July.

December and August present stark contrasts in weather. December's temperatures range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 14°C (58°F). This month witnesses more precipitation, totaling 68 mm (2.7 in) over about 6 days, coupled with a higher humidity level of 74%. In contrast, August enjoys milder conditions, with temperatures peaking from a low of 17°C (62°F) to a comfortable high of 28°C (83°F), averaging 21°C (71°F). Notably, August experiences considerably less rainfall, only 5 mm (0.2 in) with no rainy days, and a much drier humidity level of 42%. For more details on the weather during this summer month, you can check out Isla Cozumel weather in August.

When comparing the weather between December and September, distinct differences emerge. December experiences milder temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 14°C (58°F). It also sees more precipitation, with about 68 mm (2.7 in) over approximately six days and a higher humidity level of 74%. In contrast, September boasts warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 30°C (86°F), averaging 21°C (70°F). Notably, September is much drier, receiving only 6 mm (0.2 in) of rain over zero days and having a lower humidity of 52%. For more specifics, you can check out Isla Cozumel weather in September.

In comparing the weather of October and December, notable differences emerge. October enjoys warmer temperatures, with averages around 19°C (67°F) and maximums soaring to 32°C (90°F), contrasted with December's more moderate range, where temperatures peak at 23°C (73°F). Additionally, October is significantly drier, receiving only 14 mm (0.6 in) of rain over two days, while December experiences more precipitation at 68 mm (2.7 in) across six days, contributing to a higher humidity level of 74%. For those seeking more details about the October climate specifically, you can check Isla Cozumel weather in October.

In comparing the weather of December and November, it's clear that December experiences slightly cooler temperatures, with a minimum of 8°C (46°F) and an average of 14°C (58°F), while November boasts higher temperatures, ranging from a minimum of 9°C (49°F) to an average of 17°C (62°F). December also sees more days of precipitation, totaling 68 mm (2.7 in) over 6 days, compared to November's 35 mm (1.4 in) over just 2 days. Additionally, December's humidity is higher at 74%, compared to November's 66%. For further details on November's weather, you can check out Isla Cozumel weather in November.

Compare Isla Cozumel's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Isla Cozumel

As December graces Isla Cozumel, the weather transitions to a cooler and more refreshing experience, setting it apart from the warmer months. With maximum temperatures around 23°C (73°F) and average lows dipping to 14°C (58°F), it's a time for light sweaters and cozy evenings. The island sees modest precipitation, with rain gracing the landscape for about 6 days during the month, allowing the vibrant scenery to flourish without the intensity of summer storms. Humidity remains relatively high at 74%, yet the overall atmosphere is more pleasant, making it an ideal month for those seeking a tranquil getaway. For more detailed insights, explore the full data on Isla Cozumel Climate.