Last updated: April 22, 2025
Discover the charm of Cozumel, Mexico in December, where coastal warmth meets tropical humidity. With a maximum temperature reaching 28°C (83°F) and an average of 25°C (78°F), the weather is perfect for those seeking sun-soaked adventures. Visitors should prepare for occasional rainfall, as the island experiences about 66 mm (2.6 in) of precipitation over 15 days. Despite this, the humidity hovers around 80%, giving an authentic taste of island life. Enjoy the vibrant culture and breathtaking landscapes of Cozumel, all while reveling in its unique December climate.
In December, Cozumel, Mexico, offers a delightful escape from the winter chill, featuring mild temperatures that beckon travelers. With minimums around 21°C (70°F) and a comfortable average of 25°C (78°F), this month presents a pleasant climate for outdoor activities and exploring the island’s natural beauty. The highs reach up to 28°C (83°F), creating ideal conditions for sunbathing on pristine beaches and indulging in water sports. As the year comes to a close, Cozumel’s December weather reflects a trend toward mildness, setting the stage for the warm and inviting months that follow.
In December, Cozumel experiences a moderate shift in precipitation, receiving 66 mm (2.6 in) of rain over about 15 days. This marks a decline from the wetter months preceding it, such as October's peak at 242 mm (9.5 in) and November's 129 mm (5.1 in). As the year winds down, December offers a respite from the higher rainfall levels typical of the summer and early fall, making it a more appealing time for visitors seeking drier weather. Although occasional showers may still occur, they are generally brisk, allowing ample opportunity to enjoy the island’s stunning beaches and vibrant culture. This transitional period highlights Cozumel's unique climate, balancing wetter and drier seasons.
In Cozumel, Mexico, December marks a notable shift in humidity levels as they rise to an average of 80%, making it one of the most humid months of the year. This increase is part of a broader trend observed in Cozumel, where the humidity gradually fluctuates throughout the year. Following a gradual decrease from a peak of 79% in January to 75% in May, humidity levels stabilize around 76% from June to October. Surprisingly, November sees a slight uptick to 78%, setting the stage for December's higher humidity. Overall, this pattern reflects a return to elevated moisture levels, reminding visitors of the tropical climate that characterizes the island during the festive holiday season.
Throughout the year, Cozumel, Mexico, experiences a notable variation in its UV index, peaking during the summer months. In December, the UV Index stands at 7, categorized as high, which allows for a relatively safer burn time of 25 minutes. This is a welcome drop compared to the extreme levels seen in the summer, where the index reaches up to 14 in June. As we transition from November's very high index of 9 back to the moderate levels of December, it’s clear that winter offers a more manageable sun exposure. This pattern indicates that while Cozumel is sun-drenched year-round, the winter months provide an excellent opportunity for outdoor activities with a bit less intensity. For more detailed information, check the Cozumel UV Index.
UV Risk Categories
December in Cozumel, Mexico, bathes visitors in 301 hours of delightful sunshine, rounding off a year that showcases a gradual increase in daylight hours. Beginning with 237 hours in January, the trend steadily climbs, peaking in May with an impressive 343 hours of golden rays. Following that high point, sunshine begins to taper slightly, particularly during the summer months, yet remains abundant throughout the fall and into December. The island's consistent sunshine invites beachgoers and adventurers alike to savor the vibrant atmosphere, making it an ideal destination even as the year winds down.
Cozumel, Mexico, boasts a promising outlook for sunny weather in December, with a 64% chance of sunshine that makes it one of the more favorable months for basking in warm rays. As the year winds down, the likelihood of enjoying bright, clear skies begins to trend upward from the lower probabilities seen during the rainy summer months. Notably, December stands out with a significant increase from the 50% chance in November, suggesting a delightful transition into the holiday season. Travelers can expect relatively comfortable weather as the month aligns more closely with the sunnier spring and pre-summer months, peaking in March at 71%. Thus, December presents an excellent opportunity for those looking to soak up some winter sun in this idyllic tropical paradise.
In Cozumel, Mexico, December ushers in the shortest days of the year with just 10 hours of daylight, setting the stage for cozy evenings. As the year progresses, daylight hours gradually increase from a stable 11 hours in January and February, peaking at 13 hours during the summer months of May through July. This trend of extended daylight begins to wane in August, cascading down to 12 hours in September and October before settling into the shorter days of late fall and winter. This rhythm of light not only marks the changing seasons but also enhances Cozumel’s allure, inviting visitors to enjoy its vibrant sunsets and tranquil evenings.
As December arrives in Cozumel, Mexico, the average wind speed settles at 5.6 m/s (13 mph), offering a gentle yet refreshing breeze that contrasts with the stronger gusts of earlier months. This time of year marks a notable decrease in wind intensity, as the island transitions from the lively spring and early summer months, which often see speeds around 6.5 m/s (15 mph). Following a slight dip in windiness during the hotter summer and early fall, December’s breezes provide the perfect backdrop for outdoor activities and seaside relaxation. Overall, the consistent yet mild winds of December create an inviting atmosphere, making it an ideal time for visitors to enjoy the stunning beauty of Cozumel's coastline.
The weather in 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 Cozumel and find detailed weather information for every month.
In December, the weather in Cozumel features a minimum temperature of 21°C (70°F) and an average of 25°C (78°F), with maximum temperatures reaching 28°C (83°F). The month experiences about 66 mm (2.6 in) of precipitation over 15 days, alongside a humidity level of 80%. In contrast, January sees slightly cooler minimum temperatures at 19°C (67°F), but maintains the same average and maximum temperatures as December. Precipitation increases marginally to 71 mm (2.8 in), distributed over 13 days, while humidity remains comparable at 79%. For a more detailed look at what to expect during this time, visit Cozumel weather in January.
Both December and February exhibit warm temperatures, with December's average temperature at 25°C (78°F) and February maintaining the same average. However, December tends to be slightly warmer at night, with a minimum of 21°C (70°F) compared to February's 20°C (69°F). Precipitation also varies between the two months; December experiences heavier rainfall with 66 mm (2.6 in) over 15 days, whereas February sees less rain at 32 mm (1.3 in) across 11 days. Additionally, February is characterized by slightly lower humidity levels at 78% in contrast to December's 80%. For those interested in a more detailed look into February's weather, you can visit Cozumel weather in February.
In December, Cozumel experiences slightly cooler weather with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F). This month is characterized by higher humidity at 80%, along with significant rainfall, totaling 66 mm (2.6 in) over about 15 days. In contrast, March sees a minimal rise in temperature, with averages between 21°C (71°F) and 28°C (82°F), while precipitation drops to just 30 mm (1.2 in) spread over only 6 days. Humidity also decreases slightly to 76%, making March generally drier and more comfortable compared to December. For more details on this month’s climate, visit Cozumel weather in March.
In December, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 25°C (78°F), peaking at 28°C (83°F). This month sees significant rainfall, with about 66 mm (2.6 in) spread over 15 days, resulting in a higher humidity level of 80%. In contrast, April enjoys slightly warmer temperatures, with minimums of 22°C (72°F) and an average temperature of 26°C (80°F), also reaching up to 28°C (83°F). However, precipitation in April is much less frequent, totaling 38 mm (1.5 in) across just 6 days, accompanied by a slightly lower humidity of 76%. For more details about the April weather, you can visit Cozumel weather in April.
In December, the weather is warm and generally pleasant, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F) and an average of 25°C (78°F). However, this month also sees about 66 mm (2.6 in) of precipitation over approximately 15 days, resulting in 80% humidity levels. In contrast, May experiences slightly warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (84°F) and an average of 27°C (81°F). Nevertheless, May is wetter, with precipitation reaching 97 mm (3.8 in) over 17 days, while the humidity is a bit lower at 75%. For more detailed insights on weather conditions, check Cozumel weather in May.
In comparing December and June weather in Cozumel, December offers milder temperatures with a minimum of 21°C (70°F) and an average of 25°C (78°F), while June is notably warmer, starting at a minimum of 25°C (77°F) and averaging 28°C (82°F). Although June sees only a slight increase in maximum temperatures, it experiences significantly higher rainfall, with 219 mm (8.6 in) compared to December's 66 mm (2.6 in), leading to precipitation on 19 days in June versus 15 days in December. Despite June being wetter, its humidity level is slightly lower at 76%, compared to December's 80%. For more detailed information, you can check Cozumel weather in June.
December weather in Cozumel features slightly cooler temperatures, with minimum averages of 21°C (70°F) and a comfortable maximum of 28°C (83°F). The month experiences around 66 mm (2.6 in) of precipitation spread over 15 days, alongside a high humidity level of 80%. In contrast, July is warmer, with minimum temperatures rising to 25°C (78°F) and an average high of 29°C (85°F). This summer month sees slightly less precipitation, totaling 56 mm (2.2 in) across 12 days, and humidity remains lower at 76%. For more detailed information on July weather, you can check Cozumel weather in July.
When comparing the weather in December and August, it’s evident that both months experience warm temperatures, albeit with some differences. December's minimum temperature is around 21°C (70°F), with an average of 25°C (78°F) and a maximum of 28°C (83°F). In contrast, August is significantly warmer, with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 30°C (86°F). Precipitation is also higher in August, totaling 122 mm (4.8 in) over 17 days, compared to December's 66 mm (2.6 in) over 15 days. Despite the higher humidity in December at 80%, August maintains a slightly lower humidity level of 76%. For more detailed insights, you can check Cozumel weather in August.
In December, the weather is relatively mild, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F) and an average of 25°C (78°F). The month sees an average of 66 mm (2.6 in) of precipitation over about 15 days, paired with a humidity level of 80%. In contrast, September tends to be warmer, with temperatures from a minimum of 25°C (77°F) to a maximum of 31°C (89°F) and an average of 28°C (83°F). It also experiences significantly higher precipitation at 137 mm (5.4 in) across about 21 days, although humidity is slightly lower at 76%. For more details on the weather during this month, check out Cozumel weather in September.
When comparing the weather in December to that of October, we notice some distinct differences. December boasts a slightly cooler temperature range, with a minimum of 21°C (70°F) and an average of 25°C (78°F), while October features warmer nights with a minimum of 24°C (75°F) and an average of 27°C (82°F). Precipitation levels are significantly higher in October, accumulating 242 mm (9.5 in) over 24 days, compared to December's 66 mm (2.6 in) across 15 days. Additionally, while the humidity remains relatively high in both months at around 80% for December and 76% for October, October’s weather is characterized by more rainy days. For a detailed look at October’s climate, you can visit Cozumel weather in October.
In comparing the weather of December and November, both months exhibit warm temperatures typical of the region. December has slightly milder temperatures with a minimum of 21°C (70°F), an average of 25°C (78°F), and a maximum of 28°C (83°F), while November remains a bit warmer, with a minimum of 22°C (71°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). In terms of precipitation, December sees less rainfall, totaling 66 mm (2.6 in) over 15 days, compared to November's heavier rainfall of 129 mm (5.1 in) over 16 days. Humidity levels are quite similar, with December at 80% and November slightly lower at 78%. For further details on November's weather, you can refer to Cozumel weather in November.
In December, Cozumel's weather offers a delightful retreat from the warmer months, featuring milder temperatures and a refreshing atmosphere. With highs around 28°C (83°F) and an average of 25°C (78°F), visitors can enjoy comfortable outdoor activities, unlike the intense heat experienced during summer. Although there's a slight increase in precipitation, with rain arriving on about 15 days of the month, the humidity remains high at around 80%, enhancing the tropical feel of the island. This combination makes December a unique time to explore Cozumel's lush landscapes and vibrant culture. For a deeper look into the island's diverse seasons, check out Cozumel Climate.