Last updated: April 22, 2025
In December, Isla Mujeres, Mexico basks in delightful tropical weather, with average temperatures reaching a pleasant 25°C (78°F). Days can warm up to a maximum of 28°C (83°F), while evenings cool to a comfortable 21°C (71°F). Visitors should be prepared for a bit of rain, as 73 mm (2.9 in) of precipitation falls over approximately 13 days, contributing to the lush, vibrant scenery. With humidity levels hovering around 80%, the atmosphere remains pleasantly warm, making this a wonderful time to explore the island's natural beauty and rich culture.
In December, Isla Mujeres welcomes a delightful dip in temperatures, with minimums averaging around 21°C (71°F) and comfortable averages hovering at about 25°C (78°F). As the month progresses, daytime highs can reach up to 28°C (83°F), creating an inviting atmosphere perfect for beach lounging and outdoor adventures. This slight cool-down from the summer heat marks the transition to winter, making December an ideal time to experience the island’s vibrant culture and stunning natural beauty. Notably, temperatures are generally milder compared to the warmer months of May through August, encouraging visitors to explore the balmy shores and picturesque landscapes without the sweltering heat. Embrace the charm of Isla Mujeres during this pleasant season!
In December, Isla Mujeres experiences a mild increase in precipitation, recording 73 mm (about 2.9 inches) over approximately 13 days. This marks a slight dip from the preceding months, particularly November, which boasted higher rainfall of 118 mm. While early winter brings a gradual reduction in precipitation compared to the intense downpours typical of summer months like October and June, December still showcases the region's tropical charm, with occasional showers that can refresh the island's scenery. As the year draws to a close, the more temperate rainfall levels highlight Isla Mujeres' transition into a drier season, paving the way for more sunlit days ahead in January.
As December arrives in Isla Mujeres, Mexico, residents and travelers alike experience a notable increase in humidity, reaching 80%—the highest level for the year. This seasonal uptick contrasts with the drier months of May through October, where humidity remains consistently at 75-76%. Interestingly, the trend indicates a slight rise from the more moderate levels of earlier months, particularly from November's 78%. This increase signifies the onset of a more tropical atmosphere, inviting holiday visitors to enjoy the island's vibrant scenery amidst the soothing embrace of the ocean breeze. Overall, while Isla Mujeres maintains relatively high humidity year-round, December's peak enhances the allure of this beautiful destination during the festive season.
In Isla Mujeres, Mexico, the December UV Index sees a slight decline to 7, categorizing sun exposure as high with a burn time of 25 minutes. This follows a trend of extreme and very high levels experienced throughout the previous months, particularly in peak summer from April to October, where the UV Index peaked at 13 in May and June. Notably, January and February share similar high indices at 8 and 10, respectively, creating a frame of caution for sunbathers year-round. Although December's UV exposure is more forgiving, visitors should still stay vigilant and protect their skin. For more details on UV exposure trends throughout the year, check out the Isla Mujeres UV Index.
UV Risk Categories
December in Isla Mujeres, Mexico, offers a delightful transition as the year draws to a close. With 295 hours of sunshine, it maintains a bright atmosphere that captures the essence of a tropical getaway. While December sees a slight dip in sun exposure compared to the peak months of May and July, it still basks in generous sunlight compared to the earlier winter months. The trend clearly showcases a consistent pattern of bright skies from January through April, gradually increasing until it peaks in May and July. This makes December an ideal time for travelers seeking a sun-soaked escape before the new year. Even with shorter days, the warmth of the sun continues to infuse an inviting spirit, making it a perfect month to unwind on the beach or explore the charming island.
Isla Mujeres enjoys a notable upswing in sunny days during December, with a 62% chance of sunshine gracing the island. This month complements the overall trend of increasing sun exposure as the year winds down, particularly following the low of 29% in June. While early winter still offers some cloud cover, the likelihood of clear skies begins to rise significantly, making December a wonderful time to bask in the sun before heading into the cooler months. Travelers seeking warmth and brightness will find that the festive spirit of the holiday season is mirrored in the island's inviting weather, setting the stage for perfect beach days and vibrant sunsets.
In Isla Mujeres, Mexico, the transition of daylight throughout the year reveals a fascinating rhythm influenced by the shifting seasons. As December rolls in, the days shorten to about 10 hours of daylight, mirroring the pattern seen in January. Following the winter months, daylight begins to increase incrementally, peaking at 13 hours during the vibrant summer months of May through July. This gradual increase in daylight not only enhances outdoor activities but also, as summer fades into fall, a gentle decline emerges—dropping back to 12 hours in August and September, then stabilizing at 11 hours through October and November, before tapering off again by year-end. This cyclical dance of daylight highlights the unique beauty of Isla Mujeres, inviting residents and visitors alike to embrace the changing light throughout the seasons.
As December sweeps into Isla Mujeres, the gentle embrace of the December wind brings an average speed of 6.1 m/s (14 mph), maintaining a soothing consistency seen throughout the late year. Following a gradual decline from the brisk speeds of April to October, where the winds hovered around 4.6 to 7.0 m/s, December's breezes reflect a return to more moderate conditions reminiscent of January and February. This month serves as a bridge, displaying a slight uptick compared to the receding gusts of the preceding fall. Thus, the island's vibrant atmosphere finds perfect harmony, offering visitors both tranquility and an invigorating touch as the holiday season approaches.
The weather in Isla Mujeres 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 Mujeres and find detailed weather information for every month.
In December, temperatures in Isla Mujeres typically range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average of 25°C (78°F). This month sees about 73 mm (2.9 in) of rain over 13 days, coupled with a humidity level of 80%. Conversely, January brings slightly cooler temperatures, with a minimum of 20°C (69°F), an average of 24°C (76°F), and a consistent maximum of 28°C (82°F). Precipitation decreases to 62 mm (2.4 in) across 12 days, and humidity drops slightly to 79%. For a more detailed look at the weather in January, you can check out Isla Mujeres weather in January.
In December, the weather features a warm minimum temperature of 21°C (71°F) and an average of 25°C (78°F), peaking at 28°C (83°F). The month experiences a higher level of precipitation, with 73 mm (2.9 in) falling over about 13 days, contributing to a humidity level of 80%. In contrast, February is slightly cooler, with a maximum temperature of 27°C (81°F), while still maintaining the same minimum and average temperatures. Precipitation drops significantly to 30 mm (1.2 in) over 10 days, and humidity decreases slightly to 78%. For more details, check out the Isla Mujeres weather in February.
In December, the weather is characterized by warmer temperatures, with a minimum of 21°C (71°F) and maximum reaching up to 28°C (83°F), while the average temperature hovers around 25°C (78°F). This month experiences significant precipitation, totaling 73 mm (2.9 in) over 13 days, alongside a humidity level of 80%. In contrast, March sees slightly cooler conditions with a maximum of 27°C (82°F) and an average temperature that remains consistent at 25°C (78°F). Statistical precipitation is considerably lower at 21 mm (0.8 in) over just 5 days, and the humidity decreases to 76%. This makes March a more pleasant month for outdoor activities. For a detailed look at the weather in March, you can visit Isla Mujeres weather in March.
In December, the weather tends to be warm and humid, with minimal temperatures of 21°C (71°F) and average daytime highs reaching 28°C (83°F). This month also sees considerable rainfall, accumulating 73 mm (2.9 in) over 13 days, contributing to the high humidity levels of around 80%. In contrast, April brings slightly warmer conditions with minimum temperatures of 23°C (73°F) and an average of 26°C (79°F). Precipitation is considerably lower, with just 34 mm (1.3 in) over only 5 days and a humidity level of 76%. For a detailed overview of the weather in Isla Mujeres during April, check out Isla Mujeres weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average of 25°C (78°F). The month also experiences relatively high humidity at 80% and receives about 73 mm (2.9 in) of rain across 13 days. In contrast, May sees warmer temperatures, with lows of 24°C (75°F) and highs reaching 29°C (84°F), averaging 27°C (81°F). However, it is also wetter, receiving 118 mm (4.6 in) of precipitation over 16 days, coupled with slightly lower humidity at 75%. For more details on the weather during this time, you can check out Isla Mujeres weather in May.
In comparing the weather between December and June, December features slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 25°C (78°F), while June sees higher temperatures, starting at a minimum of 25°C (77°F) and averaging 28°C (82°F). Both months experience significant rainfall, but June is notably wetter, receiving 166 mm (6.5 in) of precipitation over 18 days compared to December's 73 mm (2.9 in) over 13 days. December has a higher humidity level at 80%, while June maintains a slightly lower humidity at 76%. For more detailed information on June weather, you can check Isla Mujeres weather in June.
In December, the weather is generally warm and humid, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (83°F) and an average of 25°C (78°F). The month sees about 73 mm (2.9 in) of precipitation over 13 days, resulting in a humidity level of 80%. In contrast, July experiences slightly higher temperatures, with minimums of 25°C (78°F) and maximums of 29°C (85°F), averaging around 28°C (83°F). Rainfall is lighter in July, totaling 44 mm (1.7 in) over 10 days, and the humidity is a bit lower at 76%. For more details on July's climate, you can refer to Isla Mujeres weather in July.
In December, the weather in Isla Mujeres features a minimum temperature of 21°C (71°F), an average of 25°C (78°F), and a maximum of 28°C (83°F), making it a cooler month overall. This period also experiences about 73 mm (2.9 in) of precipitation over 13 days, with humidity levels reaching around 80%. In contrast, August brings warmer temperatures with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 30°C (86°F). Additionally, August sees a higher precipitation level of 100 mm (3.9 in) spread over 14 days, but with slightly lower humidity at 76%. For more detailed insights on August weather conditions, visit Isla Mujeres weather in August.
In December, the weather in Isla Mujeres is generally milder, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), resulting in an average of 25°C (78°F). The month experiences 73 mm (2.9 in) of precipitation over about 13 days, coupled with relatively high humidity at 80%. In contrast, September is warmer, featuring a minimum temperature of 25°C (77°F) and reaching up to 30°C (86°F), with an average of 28°C (83°F). However, September also sees heavier rainfall, with 117 mm (4.6 in) of precipitation over 19 days, and slightly lower humidity at 76%. For more detailed information, you can check Isla Mujeres weather in September.
In December, the weather is generally warmer and drier compared to October. December features a minimum temperature of 21°C (71°F) and an average temperature of 25°C (78°F), with a maximum reaching 28°C (83°F). In contrast, October experiences slightly higher temperatures, with a minimum of 24°C (76°F) and an average of 27°C (82°F), peaking at 29°C (85°F). However, October is significantly wetter, receiving 214 mm (8.4 in) of precipitation over 23 days, while December sees only 73 mm (2.9 in) over 13 days. Humidity levels are higher in December at 80%, compared to October's 76%. For more detailed information, check the Isla Mujeres weather in October link.
In comparing the weather of December and November, December experiences slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 25°C (78°F), compared to November's minimum of 23°C (73°F) and average of 26°C (79°F). Additionally, December sees less precipitation, totaling 73 mm (2.9 in) over 13 days, while November records a higher rainfall of 118 mm (4.7 in) across 16 days. Humidity levels are comparable, with December at 80% and November slightly lower at 78%. For a more detailed look at the weather during November, you can refer to Isla Mujeres weather in November.
As December arrives in Isla Mujeres, the weather takes on a pleasant charm that sets it apart from other months. With temperatures averaging around 25°C (78°F) and maximum highs of 28°C (83°F), the days are comfortably warm, perfect for exploring the island's stunning beaches and vibrant culture. While a bit more precipitation, with about 13 rainy days, may be expected compared to drier months, the 80% humidity adds a tropical feel to the air, enhancing the island's lush environment. This combination makes December a unique time to experience the beauty of Isla Mujeres. For a more in-depth understanding of what to expect throughout the year, check out the detailed insights on Isla Mujeres Climate.