December Weather in Nuevo Vallarta, Mexico

Last updated: April 22, 2025

Experience the delightful weather of Nuevo Vallarta, Mexico in December, where the maximum temperatures reach a comfortable 29°C (84°F) and the average hovers around 22°C (73°F). As the holiday season unfolds, cool evenings beckon with minimum temperatures dipping to a refreshing 15°C (60°F). With an average humidity of 74%, the air offers a crisp, invigorating feel. Despite the potential for a few light showers, with precipitation amounting to about 20 mm (0.8 in) over just 3 days, the month remains perfect for enjoying the enchanting beauty of this coastal paradise. Embrace the warmth and charm of December in Nuevo Vallarta!

December Temperature in Nuevo Vallarta

As December settles in, Nuevo Vallarta experiences a delightful transition in temperatures, showcasing a lively end to the year. With minimums around 15°C (60°F) and pleasantly mild averages hovering at 22°C (73°F), it’s a perfect time to soak in the sun. The maximums reach a comfortable 29°C (84°F), providing an ideal climate for outdoor activities and beach lounging. Compared to the preceding months, December brings a slight drop in both minimum and average temperatures but maintains a charming warmth that keeps visitors enchanted, making it an attractive escape as the year winds down.

December Weather in Nuevo Vallarta: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nuevo Vallarta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717172737679818080797672
Data source: Temperature data for Nuevo Vallarta 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 Nuevo Vallarta

In December, Nuevo Vallarta experiences a notable decrease in precipitation, receiving only 20 mm (0.8 in) of rain over 3 days. This marks the end of a notable wet season, where September and August recorded the highest rainfall, with 358 mm (14.1 in) and 382 mm (15.0 in) respectively. As the year wraps up, December brings a sense of tranquility, transitioning into the dry season, characterized by significantly lower precipitation compared to the earlier months. This decline sets a serene tone for the holiday season, making it an ideal time for visitors to enjoy the region's beautiful landscapes without the interruption of regular rainfall.

December Precipitation Trends in Nuevo Vallarta

The chart displays monthly precipitation patterns in Nuevo Vallarta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec23291141711923823582143020
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nuevo Vallarta

In Nuevo Vallarta, December sees humidity levels stabilize at 74%, aligning closely with the average for the preceding months. This slight increase from November's 74% indicates a transition from the dryer, cooler months of late fall into the onset of the warmer, more humid winter climate. Notably, from April's low of 66%, there is a marked rise throughout the summer, peaking in July at 79%, before gradually tapering off in the fall. While December's humidity remains relatively consistent, it hints at the tropical influences that define the region, making it a beautiful, albeit humid, escape as the year comes to a close.

December Average Humidity in Nuevo Vallarta

This chart illustrates the average monthly humidity levels in Nuevo Vallarta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nuevo Vallarta

As the year winds down, December in Nuevo Vallarta brings a slight reprieve in UV intensity, with a UV Index of 7, categorized as high. This decrease contrasts with the extreme levels seen from March through August, where the index peaked at 13, necessitating quick reapplication of sunscreen every 10 minutes. In stark comparison, December allows for a generous 25 minutes of exposure before the risk of burning increases, making it a more forgiving month for outdoor activities. Overall, the gradual decline from the blistering summer months signals a transition towards milder sun conditions, inviting residents and visitors alike to enjoy the sun more comfortably. For more details on the UV Index throughout the year, check out Nuevo Vallarta UV Index.

Maximum UV Index Levels in Nuevo Vallarta for December

The chart shows the monthly maximum UV Index (UVI) for Nuevo Vallarta 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.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131213121197
Data source: Nuevo Vallarta 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 Nuevo Vallarta

As December rolls in, Nuevo Vallarta, Mexico continues to bask in a generous 278 hours of sunshine, contributing to its allure as a winter getaway. The month maintains a delightful balance with ample sun, sitting comfortably between the sun-drenched peak of spring and summer, where hours soar to a striking 349 hours in May and hover around 328 hours in April. While the shorter days of December naturally lead to a slight dip compared to the vibrant summer months, the consistent warmth throughout the year emphasizes the charming climate, allowing visitors to enjoy outdoor adventures and the stunning coastal beauty. Indeed, the trend of abundant sunshine in this area makes it a perfect sanctuary for those seeking a sunny escape as the year draws to a close.

Monthly Sunshine Duration in Nuevo Vallarta: December Highlighted

The December sunshine duration represents the total number of hours Nuevo Vallarta 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.
JanFebMarAprMayJunJulAugSepOctNovDec225h261h319h328h349h307h306h274h257h275h284h278h
Data source: Nuevo Vallarta December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nuevo Vallarta During December

In Nuevo Vallarta, Mexico, the likelihood of basking in sunny weather during December stands at a pleasant 59%, making it a prime time for travelers seeking warmth and sunshine. This figure reflects a continuation of increasing sun exposure as the year transitions from the cooler months. While the odds of sunny days dip sharply in the summer months, with just 15% in August and 23% in both June and July, the trend shows a recovery as autumn approaches, peaking in the spring with March boasting an impressive 77% chance of clear skies. December’s sunny forecast invites visitors to enjoy the festive atmosphere under the sun’s warm embrace, solidifying its appeal as a holiday getaway destination.

Percentage of Sunny Days in December in Nuevo Vallarta

The chart illustrates the percentage of sunny days in Nuevo Vallarta 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 Nuevo Vallarta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%59%77%66%71%23%23%15%22%39%60%59%
Data source: Nuevo Vallarta December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nuevo Vallarta in December

In Nuevo Vallarta, Mexico, the daylight hours experience a noticeable ebb and flow throughout the year. Starting from a consistent 11 hours in January and February, the days gradually lengthen, peaking at an inviting 13 hours during the summer months of May through July. As the seasons change, daylight begins to retreat, slowly decreasing back to 12 hours in August and September, before dipping to 11 hours by November. In December, the days are at their shortest, with only 10 hours of daylight. This rhythmic cycle not only marks the passage of time but also invites residents and visitors alike to savor the beautiful sun-soaked moments offered in this tropical paradise.

Average Daylight Hours in Nuevo Vallarta for December

The chart illustrates the variation in daylight duration in Nuevo Vallarta throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 1m11h 27m12h 2m12h 37m13h 7m13h 21m13h 13m12h 47m12h 13m11h 38m11h 7m10h 53m
Data source: Nuevo Vallarta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nuevo Vallarta

As December rolls into Nuevo Vallarta, the average wind speed settles at a gentle 1.7 m/s (4 mph), mirroring the year-end breeziness that characterizes this coastal paradise. In a trend reflective of the preceding months, the winds remain consistently mild, peaking slightly earlier in the year during March at 1.9 m/s (4 mph). Following a gradual tapering in the summer months of July through September, where the winds dip to their calmest at 1.3 m/s (3 mph), the arrival of December ushers in a slight uptick, restoring a hint of vigor to the otherwise soothing tropical atmosphere. This delicate balance of wind patterns not only enhances the charm of the region but also creates an idyllic environment for outdoor leisure and relaxation as the year draws to a close.

Average December Wind Speed in Nuevo Vallarta

The chart displays monthly wind speed patterns in Nuevo Vallarta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.81.91.81.81.61.41.51.31.51.61.7 m/s
Data source: Nuevo Vallarta December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nuevo Vallarta Compares to Other Months

The weather in Nuevo Vallarta 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 Nuevo Vallarta and find detailed weather information for every month.

In December, the weather is marked by warm temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), with an average of 22°C (73°F). The month experiences relatively low precipitation, totaling 20 mm (0.8 in) over three days, and maintains a humidity level of 74%. In contrast, January sees slightly lower minimum temperatures at 13°C (56°F) but a maximum that reaches 30°C (85°F) while still averaging 22°C (71°F). Precipitation increases slightly to 23 mm (0.9 in) over just two days, with a humidity level that decreases to 71%. For more details, check out Nuevo Vallarta weather in January.

December and February share similar temperature ranges, with both months featuring a minimum of 15°C (60°F), an average of 22°C (73°F), and a maximum of 29°C (84°F). However, February experiences slightly more precipitation, totaling 29 mm (1.1 in) over 3 days compared to December's 20 mm (0.8 in). Additionally, February tends to be a bit less humid, with humidity levels at 69% compared to December's 74%. For more information on February weather in this region, check out Nuevo Vallarta weather in February.

In December, the weather in Nuevo Vallarta features a warm temperature range, with minimums around 15°C (60°F) and maximums peaking at 29°C (84°F). The month experiences more precipitation, totaling 20 mm (0.8 in) over approximately three days, resulting in a humidity level of 74%. In contrast, March offers a similar temperature profile, maintaining a minimum of 15°C (59°F) and a maximum of 29°C (85°F), but with significantly less rainfall, totaling only 1 mm and no rainy days, leading to a slightly lower humidity of 67%. For more details on March weather, you can check Nuevo Vallarta weather in March.

In December, the weather is warm with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), while experiencing a bit more humidity at 74%. Despite having an average temperature of 22°C (73°F), December sees some precipitation, with about 20 mm (0.8 in) over three days. In contrast, April enjoys slightly warmer temperatures, with a minimum of 16°C (61°F) and an average of 23°C (74°F), matched by the same maximum of 29°C (84°F). Remarkably, April features much drier conditions, with only 1 mm (0.0 in) of precipitation and no rainy days, along with reduced humidity at 66%. For more detailed insights, check out Nuevo Vallarta weather in April.

In December, the weather typically features mild temperatures, with a minimum of 15°C (60°F) and an average of 22°C (73°F), reaching a maximum of 29°C (84°F). The month experiences some precipitation, totaling 20 mm (0.8 in) over about three days, and humidity levels are relatively high at 74%. In contrast, May brings slightly warmer conditions with a minimum of 16°C (61°F) and an average temperature of 25°C (77°F), peaking at 30°C (87°F). This month is notably drier, receiving only 4 mm (0.2 in) of rain and enjoying clear skies for virtually all 31 days, accompanied by lower humidity at 69%. For more detailed information, check out Nuevo Vallarta weather in May.

December and June present contrasting weather profiles. In December, temperatures range from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), with an average of 22°C (73°F). The month sees a modest amount of precipitation, totaling 20 mm (0.8 in) over just three days, accompanied by a humidity level of 74%. In comparison, June experiences warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 31°C (89°F), averaging 26°C (79°F). However, it is also much wetter, accumulating 171 mm (6.7 in) of rainfall across 15 days, and slightly higher humidity at 78%. For more detailed information on June conditions, check out Nuevo Vallarta weather in June.

In December, the weather is milder with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), making it comfortable for outdoor activities. Precipitation is relatively low, totaling 20 mm (0.8 in) over just three days, and humidity hovers around 74%. In contrast, July sees much warmer temperatures, with averages between 23°C (74°F) and 32°C (89°F), alongside significantly higher rainfall at 192 mm (7.6 in) spread across 24 days, resulting in a more humid environment at 79%. For a detailed look at the July weather, you can visit Nuevo Vallarta weather in July.

In December, the weather is pleasantly warm, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), and only 20 mm (0.8 in) of precipitation over just three days. Humidity levels are moderate at 74%, making for a comfortable climate. In contrast, August presents a much harsher environment, with a higher minimum temperature of 22°C (72°F) and an average of 27°C (81°F), peaking at 31°C (89°F). This month sees a significant amount of rainfall, totaling 382 mm (15.0 in) over 29 days, along with slightly higher humidity at 78%. For more details on August weather, visit Nuevo Vallarta weather in August.

December and September exhibit notable differences in weather. In December, temperatures range from a minimum of 15°C (60°F) to a maximum of 29°C (84°F), with an average of 22°C (73°F). The month experiences significantly less precipitation, totaling 20 mm (0.8 in) over just 3 days, and humidity sits at 74%. In contrast, September is much warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (88°F), averaging 26°C (80°F). However, it is also much wetter, with a staggering 358 mm (14.1 in) of rain spread across 28 days and humidity at 78%. For more specific details, check out Nuevo Vallarta weather in September.

When comparing the weather in December and October, several key differences emerge. December typically enjoys milder temperatures, with minimums around 15°C (60°F) and maximums reaching 29°C (84°F), offering an average of 22°C (73°F). In contrast, October is warmer, with minimum temperatures of 21°C (71°F) and highs hitting 32°C (90°F), averaging 26°C (80°F). Additionally, December sees significantly less rainfall, averaging only 20 mm (0.8 in) across three days, whereas October experiences a much higher precipitation level of 214 mm (8.4 in) over 21 days. Humidity is quite similar in both months, hovering around 74% in December and 75% in October. For more detailed insights into October weather specifically, you can check out Nuevo Vallarta weather in October.

In comparing the weather of December and November, we see a slight decrease in temperatures as December experiences a minimum of 15°C (60°F) and an average of 22°C (73°F), compared to November's minimum of 17°C (63°F) and average of 25°C (77°F). While December has a maximum temperature of 29°C (84°F), November reaches higher with 31°C (88°F). Precipitation also varies, with December receiving 20 mm (0.8 in) over 3 days, whereas November has slightly more at 30 mm (1.2 in) across 4 days. Despite these differences, both months maintain a consistent humidity level of 74%. For more detailed insights on November weather, check Nuevo Vallarta weather in November.

Compare Nuevo Vallarta's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nuevo Vallarta

As the year comes to a close, December in Nuevo Vallarta offers a delightful weather experience that sets it apart from the hotter months. With an average temperature around a pleasant 22°C (73°F), it's cooler than the summer highs, making outdoor activities enjoyable without the sweltering heat. Although the chance of rain is minimal, with only three days of precipitation, visitors can bask in the stunning sun, enhanced by a comfortable humidity of 74%. For those seeking a balance of warmth and respite from the summer lull, December provides the perfect backdrop for exploration and relaxation. Discover more about the weather patterns and nuances throughout the year at Nuevo Vallarta Climate.