December Weather in Merida, Mexico

Last updated: April 22, 2025

In December, Merida, Mexico experiences a delightful blend of warm days and cooler nights. With maximum temperatures reaching 28°C (83°F) and an average of 14°C (58°F), the climate is inviting yet varies significantly between day and night. Visitors can expect minimal rainfall, with only 8 mm (0.3 in) of precipitation over just one day, making it an ideal time to explore the city’s vibrant culture and history. The humidity levels average around 74%, adding a touch of tropical ambiance to the festive season. December in Merida offers a unique charm that beckons travelers seeking both warmth and seasonal celebration.

December Temperature in Merida

In December, Merida, Mexico, experiences a delightful transition as temperatures start to cool, offering a refreshing contrast to the intense heat of the earlier months. Minimum temperatures drop to around 2°C (35°F), while the average temperature hovers at a mild 14°C (58°F), providing a comfortable atmosphere for outdoor exploration. The maximum temperature reaches a pleasant 28°C (83°F), showcasing a manageable warmth perfect for enjoying the city’s vibrant culture and outdoor markets. This month marks a gradual shift from the sweltering summer heat, making December an inviting time to visit as the weather is neither too cold nor excessively hot, encouraging both locals and tourists to partake in the festivities of the season.

December Weather in Merida: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Merida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596168778291979790786757
Data source: Temperature data for Merida 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 Merida

In December, Merida experiences a modest precipitation amount of 8 mm (0.3 in), which falls over the course of just one day. This slight uptick in rainfall marks a transition from the drier months of the late year, where June through November recorded minimal precipitation, particularly in November with no rainfall at all. As the final month of the year approaches, Merida typically sees a gradual increase in moisture after a relatively dry summer. December’s precipitation remains low compared to the earlier months like February and September, but it signals a shift towards the wetter season ahead, balancing the annual precipitation totals and refreshing the landscape just before the year closes.

December Precipitation Trends in Merida

The chart displays monthly precipitation patterns in Merida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec917133207614578
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Merida

In December, the humidity in Merida, Mexico hovers around a comfortable 74%, marking a slight increase from the preceding month. This rise continues the trend observed throughout the year, where humidity generally peaks in the colder months. Starting from a high of 77% in February, the levels gradually decline to 42% in August, before beginning to climb again as autumn transitions into winter. December serves as a turning point, as the humidity levels noticeably increase after the drier months of mid-year, creating a pleasant atmosphere that is both refreshing and inviting. This seasonal rhythm showcases Merida’s unique climate, offering a blend of warmth and moisture that enhances the city's charm during the festive season.

December Average Humidity in Merida

This chart illustrates the average monthly humidity levels in Merida, 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 Merida

As December rolls into Merida, Mexico, residents and visitors can enjoy a slight reprieve from the intense sun as the UV Index dips to 4, categorized as moderate. This means you can safely soak up the sun with a burn time of 30 minutes before needing protection. Notably, December’s UV levels reflect a downward trend from the extreme heights seen in the summer months, where indices soared to 12 in June and July, compelling sun-seekers to be ultra-cautious with just a 10-minute burn time. As the year closes, it's crucial to stay aware of the changing UV conditions. For more detailed information, visit Merida UV Index.

Maximum UV Index Levels in Merida for December

The chart shows the monthly maximum UV Index (UVI) for Merida 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.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: Merida 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 Merida

As the year winds down, December in Mérida, Mexico, offers a warm embrace with 245 hours of sunshine. This month, while slightly less radiant than the vibrant peaks of late spring and early summer—where hours soared to 331 in April and 374 in May—still captivates with its charm. The gentle decline from the sunniest months signifies a gradual transition into winter, yet Mérida remains infused with warmth and brightness. The sunshine trickles in beautifully after the more subdued November, making December an ideal time for exploration and celebration under a pleasantly crisp sky.

Monthly Sunshine Duration in Merida: December Highlighted

The December sunshine duration represents the total number of hours Merida 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h250h308h331h374h377h376h358h322h303h263h245h
Data source: Merida December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Merida During December

In December, Merida, Mexico, welcomes a 62% likelihood of sunny weather, marking a noticeable dip compared to the preceding months. This decrease in sunshine is part of a broader trend as the city transitions from the high probabilities of May, which boasts an impressive 93% chance of sun, down through to October’s 80%. Interesting to note is how, after a consistent sunny spell from January to April, December finds itself in a delicate balance between lingering warmth and the onset of cooler, cloudier days of winter. While December may not be the sunniest month, its charm lies in the mild temperatures and festive atmosphere that still beckon visitors to enjoy the beauty of this vibrant city.

Percentage of Sunny Days in December in Merida

The chart illustrates the percentage of sunny days in Merida 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 Merida experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%84%82%93%76%53%84%85%80%75%62%
Data source: Merida December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Merida in December

In Merida, Mexico, December brings a return to shorter days, with just 10 hours of daylight—mirroring the earlier months of January and November. As the year progresses from January’s crisp 10 hours to June and July’s peak of 14 hours, it’s clear that daylight duration follows a rhythmic cycle, reaching its zenith in the summer. Following this midpoint, the daylight begins to wane once more, gradually diminishing through August and September, before settling back to 10 hours in both December and January. This seasonal ebb and flow creates a vibrant tapestry of sunlight that characterizes life in Merida, marking the end of the year with a tranquil, reflective ambiance.

Average Daylight Hours in Merida for December

The chart illustrates the variation in daylight duration in Merida throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 15m11h 1m12h13h13h 50m14h 15m14h 1m13h 16m12h 19m11h 19m10h 27m10h 1m
Data source: Merida daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Merida

As December settles over Mérida, Mexico, the gentle whisper of the wind begins to calm, resulting in an average speed of 2.8 m/s (6 mph). This marks a slight decrease from the gusts seen earlier in the autumn, where November also recorded a low of 2.5 m/s (6 mph). The trend throughout the year reveals a gradual increase in winds from January’s cool breezes of 3.0 m/s (7 mph), peaking in the warmth of April at 3.9 m/s (9 mph). However, as the year draws to a close, the winds soften, evoking a serene atmosphere that perfectly complements the festive spirit in this charming Yucatán city. As you venture through Mérida’s vibrant streets, the calm December winds carry the promise of cooler days ahead.

Average December Wind Speed in Merida

The chart displays monthly wind speed patterns in Merida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.53.73.93.43.13.53.02.53.02.52.8 m/s
Data source: Merida December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Merida Compares to Other Months

The weather in Merida 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 Merida and find detailed weather information for every month.

In December, the weather features a minimum temperature of 2°C (35°F) and peaks at a comfortable 28°C (83°F), with an average of 14°C (58°F). The month sees minimal precipitation, with only 8 mm (0.3 in) falling over just one day, and humidity levels are fairly high at 74%.

In contrast, January experiences slightly cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 30°C (86°F), resulting in an average of 15°C (59°F). Precipitation increases slightly to 9 mm (0.3 in) over two days, while humidity dips slightly to 72%. Overall, both months offer warm temperatures, but January can be a bit drier and showcases slightly higher maximum temperatures. For more details, you can check Merida weather in January.

In December, the weather is generally mild, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F) and an average of 14°C (58°F). The month sees minimal precipitation, with only 8 mm (0.3 in) over just one day, while humidity stands at 74%. In contrast, February experiences slightly warmer conditions, with temperatures dipping to a low of 1°C (35°F) and peaking at 31°C (89°F), maintaining an average of 16°C (62°F). This month also sees increased precipitation, totaling 17 mm (0.7 in), while humidity rises slightly to 77%. For more detailed weather information, check Merida weather in February.

In December, the weather tends to be milder with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), and an average temperature of 14°C (58°F). The month is relatively dry, featuring just 8 mm (0.3 in) of precipitation over only 1 day, and a humidity level of 74% adds a touch of moisture to the air.

Conversely, March ushers in warmer temperatures, with a minimum of 4°C (40°F), an average of 20°C (68°F), and a maximum reaching up to 37°C (98°F). Precipitation increases slightly to 13 mm (0.5 in), still falling on just 1 day, and humidity dips to 67%, making for a more comfortable feel. This shift toward warmer weather can make March a particularly inviting time of year. For more detailed information, check out Merida weather in March.

In December, the weather is relatively mild with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), and an average temperature of around 14°C (58°F). The month sees limited precipitation, with only 8 mm (0.3 in) over just one day, and humidity levels hovering around 74%. In contrast, April offers a much warmer climate, with minimum temperatures starting at 10°C (50°F) and soaring to a maximum of 42°C (108°F), resulting in an average of 25°C (77°F). Notably, April experiences negligible rainfall at just 3 mm (0.1 in) over no rainy days and a lower humidity at 56%. For a more detailed look at Merida's weather in April, check out Merida weather in April.

December and May present contrasting weather characteristics. In December, temperatures typically range from a low of 2°C (35°F) to a high of 28°C (83°F), with an average of 14°C (58°F). The month experiences 8 mm (0.3 in) of precipitation over a single day, with humidity levels sitting at a high 74%. Conversely, May boasts considerably warmer temperatures, with a minimum of 12°C (54°F) and a maximum reaching 43°C (110°F), averaging 28°C (82°F). The dry month sees only 2 mm (0.1 in) of precipitation, with no rainy days and significantly lower humidity at 46%. For a detailed look at the weather in May, you can visit Merida weather in May.

In December, the weather in Merida is notably milder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F) and an average of 14°C (58°F). The month is characterized by a relatively high humidity level of 74% and minimal precipitation, only about 8 mm (0.3 in) over just one day. In contrast, June brings significantly warmer weather, with temperatures soaring from a minimum of 17°C (63°F) to a staggering maximum of 49°C (120°F), averaging around 33°C (91°F). Notably, June is dry with no recorded precipitation and a lower humidity of 48%. For a detailed look at June's weather conditions, you can visit Merida weather in June.

December and July present contrasting weather patterns, with December offering milder temperatures and higher humidity. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), with an average of 14°C (58°F) and only a day of precipitation totaling 8 mm (0.3 in). Humidity is relatively high at 74%. In contrast, July is characterized by significantly warmer conditions, with temperatures reaching a minimum of 22°C (71°F) and soaring to a maximum of 49°C (120°F), averaging 36°C (97°F). Although July sees slightly less precipitation, at 7 mm (0.3 in) over 2 days, the humidity drops to 46%. For more insights about July weather, check out Merida weather in July.

December and August present strikingly different weather conditions. In December, temperatures range from a cool minimum of 2°C (35°F) to a comfortable average of 14°C (58°F), reaching a maximum of 28°C (83°F). The month experiences minimal precipitation of about 8 mm (0.3 in) over just one day, accompanied by relatively high humidity at 74%. In contrast, August features a much warmer climate, with temperatures soaring from a minimum of 24°C (75°F) to an average of 36°C (97°F) and a blistering maximum of 48°C (118°F). Precipitation is slightly lower at 6 mm (0.2 in), also falling on just one day, but humidity is significantly lower at 42%. For a detailed look at August weather, check out Merida weather in August.

December and September present strikingly different weather conditions. In December, temperatures range from a cool minimum of 2°C (35°F) to a comfortable average of 14°C (58°F), with a maximum of 28°C (83°F). This month experiences minimal precipitation, with only 8 mm (0.3 in) across just one day and humidity levels hovering around 74%. In contrast, September boasts significantly warmer temperatures, with a minimum of 16°C (60°F) and an average of 32°C (90°F), peaking at a scorching maximum of 48°C (120°F). Precipitation is higher in September, totaling 13 mm (0.5 in) over two days, and the humidity is notably lower at 52%. For more details on September weather, check out Merida weather in September.

In comparing the weather in December and October, we observe notable differences in temperature and humidity. December typically experiences milder temperatures, with a minimum of 2°C (35°F) and an average of 14°C (58°F), whereas October sees warmer conditions, with a minimum of 5°C (42°F) and an average of 25°C (78°F). October can also reach maximum highs of up to 43°C (110°F), significantly hotter than December's maximum of 28°C (83°F). Precipitation levels are relatively low in both months, with December receiving 8 mm (0.3 in) over just one day compared to October's 5 mm (0.2 in). Additionally, December has a higher humidity level at 74% compared to October's 58%. For more details about the weather in October, visit Merida weather in October.

In December, the weather is cooler than in November, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), compared to November's much warmer range of 6°C (43°F) to 36°C (97°F). While both months experience low precipitation, December has slightly more, averaging 8 mm (0.3 in) over one day, whereas November saw no rainy days with only 7 mm (0.3 in) of moisture. Additionally, humidity levels in December are higher at 74%, compared to November's 66%. For a detailed look at November's weather specifically, you can check Merida weather in November.

Compare Merida's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Merida

In December, Merida experiences a delightful shift in weather, characterized by milder temperatures that create a pleasant atmosphere for both locals and visitors. With maximums reaching 28°C (83°F) and cool evenings averaging around 14°C (58°F), this month stands out for its comfortable climate, contrasting with the hot summer months. While precipitation is minimal, with just one rainy day, the humidity remains around a manageable 74%, making outdoor activities enjoyable. As you explore the rich culture and vibrant streets of Merida this December, you'll find the weather perfectly complements the festive spirit of the season. For a more detailed look at the weather patterns throughout the year, check out Merida Climate.