Last updated: April 22, 2025
Experience the delightful December weather of San Juan Mazatlan, Mexico, where the climate perfectly blends warmth and comfort. With maximum temperatures reaching a balmy 32°C (89°F) and a pleasant average of 19°C (66°F), visitors can enjoy sunny days and cool nights. The minimum temperatures dip to a refreshing 9°C (48°F), ideal for cozy evenings. While December witnesses 40 mm (1.6 in) of precipitation over 8 days, the high humidity level at 88% adds a tropical touch to the atmosphere. Whether you're exploring the vibrant local culture or relaxing by the beach, December in San Juan Mazatlan promises a memorable getaway.
In December, San Juan Mazatlán embraces a mild and pleasant climate, making it an ideal destination for winter getaways. With minimum temperatures around 9°C (48°F), cozy evenings beckon, while daytime averages hover around 19°C (66°F), offering comfortable warmth perfect for exploring. The monthly maximum remains consistently high at about 32°C (89°F), reminiscent of the balmy conditions found throughout the fall. As the year winds down, the temperature stability highlights Mazatlán's alluring charm, attracting visitors eager to bask in sun-soaked days and cooler nights—qualities that make this coastal paradise irresistible during the winter months.
In December, San Juan Mazatlan experiences a dip in precipitation, with an average of 40 mm (1.6 in) of rain falling over just 8 days. This marks a noticeable decline as the year transitions from the rainy season, which peaks in summer months like June and August with staggering totals of 377 mm (14.8 in) and 323 mm (12.7 in) respectively. Compared to the preceding months, December's rainfall is one of the lowest, contributing to a drier climate ideal for outdoor activities. As visitors flock to this coastal gem, the mild and refreshing weather paired with reduced precipitation creates a perfect atmosphere to explore the region's stunning landscapes and vibrant culture.
In San Juan Mazatlán, December embraces the transition from the year with a notable humidity level of 88%, closely mirroring the preceding months of November and October. This elevated humidity reflects the region's tropical climate, which maintains a high moisture content throughout the latter part of the year. Interestingly, while December's humidity is just slightly lower than the peak levels seen in October, it represents the continuation of a gradual decline from the summer months. As the year winds down, humidity typically fluctuates, dipping from the mid-80s in the late summer and early fall to a steadier high, establishing a distinct characteristic for the winter season. This trend in humidity creates a rich backdrop for the vibrant coastal scenery, hinting at the warmth and lushness that make Mazatlán truly enchanting during this time.
In December, San Juan Mazatlan experiences a UV Index of 8, categorized as very high, which translates to a burn time of just 15 minutes for unprotected skin. This month marks the beginning of a gradual decline in UV intensity after several months of extreme levels, peaking at 14 from April through July. While December sees a slight easing from the relentless sun of summer, it's crucial to remain vigilant, as the UV Index remains elevated. Visitors and locals alike should still prioritize sun protection strategies to enjoy the beautiful weather safely. For detailed updates and information, check the San Juan Mazatlan UV Index.
UV Risk Categories
In December, San Juan Mazatlán basks in a delightful 274 hours of sunshine, perfect for those seeking a warm winter escape. As the year winds down, the sunshine hours reflect a consistent trend of abundant daylight that peaks during the spring, with May and July boasting the highest averages of 320 and 321 hours, respectively. While December offers a brief dip compared to the sun-drenched months before it, the pleasant temperatures and vibrant coastal scenery make it a charming destination. From the lush beaches to the lively culture, December is a prime time to enjoy the tail end of a year filled with radiant warmth.
In December, San Juan Mazatlán, Mexico experiences a notable likelihood of sunny weather, with a 56% chance of sunshine. This marks a significant increase from the preceding months, particularly November's 41% and October’s 31%. As the year draws to a close, the region transitions from the rainy season, leading to sharper spikes in sunshine percentages during these final weeks of the year. This pattern illustrates a gradual return to more favorable weather, making December an appealing time for visitors seeking warmth and brightness. Following the trends from the earlier months, December stands out as a promising month for sun-seekers in this vibrant coastal destination.
In San Juan Mazatlán, Mexico, daylight duration sees a rhythmic dance throughout the year. Starting with 11 hours in both January and February, the days gradually lengthen as spring approaches, peaking at 13 hours in the summer months of June and July. This abundant sunlight gradually tapers off in late summer and autumn, with August and September returning to 12 hours, before settling back into the 11-hour envelope by October and November. December rounds out the year with the same 11 hours of daylight as it started, creating a comforting sense of consistency amidst the seasonal change. This pattern not only highlights the enchanting climate of Mazatlán, but also provides ample opportunity for residents and visitors alike to bask in the warmth of the Mexican sun throughout the year.
In December, the winds in San Juan Mazatlán settle into a steady rhythm, with an average speed of 2.3 m/s (5 mph). This marks a slight decrease from the bustling winds of November, which often invigorate the coast at 2.8 m/s (6 mph), hinting at the transition into the cooler months. Unlike the summer's gentle breezes, which dip to their lowest point in June at just 1.5 m/s (3 mph), December's winds maintain a moderate embrace, reminiscent of the spring months where wind speeds begin to pick up again. As the year draws to a close, the mild currents accompanying the winter season create an inviting atmosphere, perfect for seaside strolls and leisure activities along the picturesque coastline.
The weather in San Juan Mazatlan 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 San Juan Mazatlan and find detailed weather information for every month.
In December, temperatures in San Juan Mazatlan range from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average temperature of 19°C (66°F). The month experiences about 40 mm (1.6 in) of precipitation over 8 days, coupled with high humidity levels at 88%. In contrast, January sees a slight dip in minimum temperatures, averaging 8°C (47°F), while maintaining the same average and maximum temperatures as December. However, January is wetter, with 52 mm (2.1 in) of rain across 10 days, and slightly lower humidity at 84%. For a detailed look at January weather, you can visit San Juan Mazatlan weather in January.
In December, the weather is pleasantly warm with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), while February sees a slight increase in the average temperature, peaking at 33°C (91°F) with a minimum of 8°C (47°F). Both months experience similar levels of humidity, with December at 88% and February slightly lower at 80%. Precipitation is also comparable, as December receives 40 mm (1.6 in) over 8 days, while February receives slightly more at 50 mm (2.0 in) over the same number of days. For a closer look at February weather specifics, you can check out San Juan Mazatlan weather in February.
In December, the weather in San Juan Mazatlán is generally warm, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), leading to an average of 19°C (66°F). This month experiences relatively high humidity at 88% and sees about 40 mm (1.6 in) of precipitation over 8 days. In contrast, March brings slightly warmer weather, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (94°F), averaging around 22°C (71°F). The humidity decreases to 73%, and precipitation is less frequent with 34 mm (1.3 in) over 7 days. For more specific details on March weather, visit San Juan Mazatlan weather in March.
In December, San Juan Mazatlan experiences warmer temperatures, with average highs reaching 32°C (89°F) and a maximum of 35°C (96°F), while the nights are cooler, dipping to a minimum of 9°C (48°F). The humidity is quite high at 88%, contributing to a muggy atmosphere, despite the relatively low precipitation of 40 mm (1.6 in) over about 8 days. In contrast, April sees warmer average temperatures, peaking at 35°C (96°F), with a slightly higher minimum of 13°C (55°F). Although the precipitation increases to 46 mm (1.8 in) over 9 days, the humidity drops to 67%, creating a more comfortable environment. For more details on the April weather, check out San Juan Mazatlan weather in April.
In December, the weather in San Juan Mazatlán is mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), averaging around 19°C (66°F). The month experiences moderate precipitation, with about 40 mm (1.6 in) of rain over approximately 8 days, and humidity levels are relatively high at 88%.
In contrast, May brings warmer conditions, featuring a minimum temperature of 14°C (57°F) and soaring to a maximum of 36°C (96°F), with an average of 25°C (78°F). This month sees significantly increased rainfall, totaling 92 mm (3.6 in) across about 15 days, and humidity decreases to 72%. For further details on the weather, check San Juan Mazatlan weather in May.
In December, the weather is relatively mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), averaging around 19°C (66°F). The month experiences low precipitation, with about 40 mm (1.6 in) spread over 8 rainy days, and high humidity at 88%. In contrast, June is significantly warmer, featuring a minimum temperature of 18°C (64°F) and averaging 24°C (76°F), while highs can reach up to 34°C (93°F). However, June is also much wetter, with an impressive 377 mm (14.8 in) of rain falling over 23 days, coupled with lower humidity at 73%. For more details about the weather, check San Juan Mazatlan weather in June.
When comparing the weather in December and July, a few notable differences emerge. December typically enjoys milder temperatures, with a minimum of 9°C (48°F) and an average high reaching 32°C (89°F), making it a season for comfortable warmth. In contrast, July sees higher minimum temperatures starting at 18°C (64°F) and averages around 24°C (75°F), but with oppressive humidity levels and significantly more precipitation at 191 mm (7.5 in) over 27 days. December experiences only 40 mm (1.6 in) of rain spread over 8 days, resulting in a drier and less humid atmosphere. For more details on the warm and wet weather of July, you can visit San Juan Mazatlan weather in July.
When comparing the weather in December and August, we see significant differences in temperature and precipitation. December experiences a range of temperatures from a minimum of 9°C (48°F) to a maximum of 32°C (89°F), with an average temperature of 19°C (66°F) and relatively low humidity at 88%. In contrast, August has a warmer atmosphere with a minimum temperature of 18°C (65°F) and maxing out at 33°C (91°F), averaging around 23°C (75°F). However, it is also markedly wetter, with 323 mm (12.7 in) of precipitation spread over 27 days, resulting in lower humidity at 80%. For more specific insights, you can check San Juan Mazatlan weather in August.
When comparing the weather between December and September, noticeable differences emerge in temperature and precipitation. December sees a milder range with minimum temperatures around 9°C (48°F) and maximums peaking at 32°C (89°F), experiencing an average of 19°C (66°F). In contrast, September enjoys warmer temperatures with a minimum of 18°C (64°F) and an average high of 33°C (92°F), making it the warmer month overall. However, September is significantly wetter, accumulating 249 mm (9.8 in) of precipitation over 25 days, while December has a much drier profile with just 40 mm (1.6 in) over 8 days. Additionally, humidity levels are slightly higher in December at 88%, compared to September's 84%. For a closer look at weather specifics in September, check out San Juan Mazatlan weather in September.
When comparing the weather in December and October, there are notable differences in temperature and precipitation. December tends to have a lower temperature range, with a minimum of 9°C (48°F) and a maximum of 32°C (89°F), while October starts warmer, with minimums of 14°C (57°F) and maximums peaking at 33°C (92°F). Additionally, December receives significantly less rainfall, with only 40 mm (1.6 inches) over about 8 days, compared to October's 270 mm (10.6 inches), which falls over 20 days. Both months experience high humidity, with December at 88% and October slightly higher at 89%. For more detailed information, you can check San Juan Mazatlan weather in October.
In comparing the weather between December and November, we see a subtle shift in temperatures and precipitation. December tends to have slightly cooler minimum temperatures, averaging at 9°C (48°F) compared to November’s 10°C (50°F). However, the average temperatures in both months remain similar, with December averaging 19°C (66°F) and November averaging 20°C (68°F). Both months experience the same maximum temperature of 32°C (89°F). Precipitation is notably lower in December, with 40 mm (1.6 in) over 8 days, while November is wetter, recording 91 mm (3.6 in) over 11 days. Humidity remains consistent in both months at 88%. For more detailed insights about November's weather, you can refer to this link: San Juan Mazatlan weather in November.
As December unfolds in San Juan Mazatlan, the weather takes on a refreshing character, offering visitors a delightful escape from the heat of the summer months. With a maximum temperature that reaches a comfortable 32°C (89°F) and cooler averages around 19°C (66°F), this month provides a pleasant balance. Unlike the peak rainfall of the previous season, December sees only a modest amount of precipitation, with just a few days of light rain. Humidity also remains relatively high at 88%, creating a warm yet enjoyable atmosphere for outdoor festivities. For those eager to explore the distinctive climate nuances throughout the year, further insights are available at San Juan Mazatlan Climate.