Last updated: April 22, 2025
In December, San Fernando de Guaymas, Mexico experiences a mild climate that invites travelers to enjoy its serene beauty. With a maximum temperature reaching 31°C (88°F) and an average of 18°C (65°F), the days are comfortably warm, while nighttime temperatures can drop to a cool 5°C (42°F). Visitors can expect a modest precipitation of 10 mm (0.4 in) over just 2 days, contributing to a humidity level of 72% that enhances the region's lush landscapes. This idyllic weather makes December an ideal time for exploring the vibrant surroundings and soaking up the coastal charm.
In December, temperatures in San Fernando de Guaymas, Mexico start to dip, reflecting the transition into winter. With a minimum of 5°C (42°F), the chill in the air contrasts brightly with the daytime, where averages reach a pleasant 18°C (65°F). The maximum temperatures can still climb to 31°C (88°F), showcasing the region's ability to offer warm, sunny days even as the year winds down. This month serves as a gentle reminder that while colder nights are on the horizon, the vibrant warmth of the sun remains a staple, allowing locals and visitors alike to enjoy the stunning beauty of this coastal paradise.
In December, San Fernando de Guaymas experiences a modest precipitation amount of 10 mm (0.4 in), falling over two days. This marks a slight decline from November's rainfall, reflecting the typically drier conditions as the year comes to a close. While December doesn’t stand out for significant precipitation, it contributes to the overall seasonal pattern where rain is most frequent in the summer months, peaking in September. The shift from the heavier rains of late summer to the drier winter months illustrates the region's distinct climatic rhythm, offering a unique perspective on the evolving weather as the year transitions into the new.
In December, San Fernando de Guaymas experiences a humidity level of 72%, maintaining a consistent trend seen throughout the latter part of the year. Following a dip in spring, relative humidity gradually increases, peaking in the more sultry months of August and September. Notably, December shares its humidity with the preceding months of October and November, illustrating a stable post-summer climate. This higher humidity, typical for winter, not only contributes to the region's characteristic warm ambiance but also signals the return of moisture after the drier autumn months. As residents embrace the holiday season, they do so amid a mild and humid atmosphere, setting a comforting scene for festivities.
As December rolls into San Fernando de Guaymas, the UV Index drops to a moderate level of 5, indicating a more forgiving sun exposure than the previous months. After experiencing extreme levels peaking at 12 during the summer, residents and visitors can now enjoy an increased burn time of 30 minutes before needing to seek shade. This shift underscores a general trend of decreasing UV intensity as the year comes to a close, transitioning from the severe sun exposure of earlier months. Such fluctuations highlight the importance of staying informed about UV levels throughout the year, making it essential to check resources like San Fernando de Guaymas UV Index for up-to-date information.
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In San Fernando de Guaymas, Mexico, December offers a delightful closure to the year, with 262 hours of sunshine that reflect the seasonal charm of winter. Although this sunshine count is on par with November's totals, it marks the end of a gradual upward trend throughout the year. From the 216 hours of January to the peak of 366 hours in May, the region experiences a steady increase in sun-soaked days, culminating in a vibrant summer. As the calendar flips to December, while the days grow shorter, the bright rays continue to illuminate this coastal paradise, creating a picturesque backdrop that invites both relaxation and adventure.
When considering the likelihood of sunny weather in December in San Fernando de Guaymas, Mexico, it’s notable that the chances dip to 56%, representing a moderate decline compared to the sunnier months that precede it. After an overwhelmingly bright October at 90%, and a relatively warm November maintaining 72%, December serves as a transition into winter, showcasing a noticeable dip in sunshine. Despite this reduction, it's important to remember that many of the preceding months boast sun probabilities exceeding 70%, setting a vibrant atmosphere as the year draws to a close. Thus, while December may offer a less promising forecast, the sunshine of the earlier months still casts a lingering glow over the festive season.
In San Fernando de Guaymas, Mexico, December brings a return to shorter days, with 10 hours of daylight that mirrors the length experienced in January and November. As the year progresses, daylight duration gradually increases from 10 hours in January to a peak of 13 hours during the vibrant summer months of May through August. Following this high point, daylight begins to wane again, revealing a consistent pattern where the daylight hours decrease as winter approaches. This ebb and flow of sunlight showcases the region's dynamic seasonal changes, inviting residents and visitors alike to embrace the beauty of both sunlit days and the tranquil nights that December offers.
In December, the coastal breezes of San Fernando de Guaymas calm down slightly, with an average wind speed of 2.5 m/s (6 mph). This gentle wind is a continuation of the trend observed throughout the latter part of the year, where wind speeds gradually decreased from the energetic gusts of earlier months. The transition from November's 2.2 m/s signals a slight uptick, yet December remains one of the quieter months, echoing the tranquil charm of the festive season. As the year winds down, the mild winds bring a sense of serenity, setting the perfect backdrop for cozy gatherings and reflective strolls along the shore.
The weather in San Fernando de Guaymas 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 Fernando de Guaymas and find detailed weather information for every month.
In December, the weather in San Fernando de Guaymas is generally warm, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F). The month sees relatively low precipitation, totaling about 10 mm (0.4 in) over 2 days, and humidity levels around 72%. In contrast, January experiences slightly cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 30°C (87°F), and average temperatures hovering around 17°C (64°F). While January has a marginally higher precipitation of 12 mm (0.5 in) over just 1 day, it maintains a similar humidity level of 71%. For more detailed weather insights, you can check San Fernando de Guaymas weather in January.
In December, the weather in San Fernando de Guaymas tends to be mild with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), resulting in an average temperature of 18°C (65°F). It experiences light precipitation, with about 10 mm (0.4 in) falling over 2 days, and the humidity levels are relatively high at 72%.
In contrast, February sees slightly warmer conditions, with a minimum temperature of 6°C (43°F) and a maximum of 33°C (91°F), maintaining the same average temperature of 18°C (65°F). Precipitation decreases to 9 mm (0.4 in) over just 1 day, alongside a drop in humidity to 66%. This makes February a drier month with marginally higher daytime temperatures, making it a pleasant time to visit. For more details, check out San Fernando de Guaymas weather in February.
In December, the weather in San Fernando de Guaymas is relatively mild, with minimum temperatures around 5°C (42°F) and average highs reaching up to 31°C (88°F). The month sees a total precipitation of 10 mm (0.4 in) over just 2 days, accompanied by a higher humidity of 72%. In contrast, March experiences warmer temperatures, with a minimum of 9°C (48°F) and an average high of 34°C (93°F). While precipitation slightly increases to 12 mm (0.5 in), it occurs over just one day, and the humidity drops to a more comfortable 58%. For more detailed information, check out the weather specifics here: San Fernando de Guaymas weather in March.
The weather in December and April presents a striking contrast. December typically experiences mild temperatures, with a minimum of 5°C (42°F) and an average of 18°C (65°F), peaking at a maximum of 31°C (88°F). The month sees some precipitation, with about 10 mm (0.4 in) over just 2 days and higher humidity at 72%. In contrast, April brings warmer conditions, with temperatures starting at 13°C (55°F) and averaging 24°C (76°F), reaching highs of 39°C (102°F) and enjoying a completely dry period with no recorded precipitation. The humidity also drops significantly to 52%, making April a much drier month. For more details, you can check the San Fernando de Guaymas weather in April.
When comparing the weather in December and May, it’s evident that May is significantly warmer and drier than December. In December, temperatures range from a mild 5°C (42°F) at night to a comfortable average of 18°C (65°F) during the day, peaking at 31°C (88°F). In contrast, May sees much higher temperatures, with nighttime lows around 16°C (61°F) and average daytime highs soaring to 27°C (81°F), reaching extremes of 41°C (106°F). Additionally, December experiences some precipitation, with 10 mm (0.4 in) over two days, while May remains completely dry with no recorded rain. The humidity levels also reflect this contrast, being substantially higher in December at 72%, compared to 51% in May. For those looking for detailed weather information, check out San Fernando de Guaymas weather in May.
When comparing the weather in December and June, there’s a notable difference in temperature and humidity. December experiences milder temperatures, with minimums around 5°C (42°F) and average highs of 31°C (88°F), accompanied by relatively high humidity at 72%. Precipitation is minimal, averaging just 10 mm (0.4 in) over two days. In contrast, June sees a significant increase in temperature, with minimums at 20°C (68°F) and average highs reaching up to 41°C (106°F). This month is characterized by low humidity (51%) and virtually no rainfall, accumulating only 7 mm (0.3 in). For a closer look at June's weather specifics, you can check out San Fernando de Guaymas weather in June.
December weather in San Fernando de Guaymas is characterized by milder temperatures, with a minimum of 5°C (42°F) and an average of 18°C (65°F), peaking at a maximum of 31°C (88°F). The month experiences relatively low precipitation of 10 mm (0.4 in) over just 2 days, coupled with a humidity level of 72%. In contrast, July brings much warmer conditions, featuring a minimum temperature of 26°C (79°F) and an average of 32°C (91°F), reaching highs of 41°C (107°F). The rainfall in July increases to 18 mm (0.7 in) over 4 days, and the humidity drops to 60%. For more detailed information, visit San Fernando de Guaymas weather in July.
When comparing the weather in December and August, it's clear that these months offer drastically different climates. December typically sees more moderate temperatures, with a minimum of 5°C (42°F) and a maximum of 31°C (88°F), while averaging 18°C (65°F). In contrast, August brings significantly higher temperatures, ranging from a low of 26°C (78°F) to a scorching high of 41°C (105°F), with an average of 32°C (91°F). Precipitation also varies, with December experiencing only 10 mm (0.4 in) of rain over 2 days, whereas August has more substantial rainfall at 28 mm (1.1 in) spread over 6 days. Humidity remains similar, hovering around 72-73%, creating a muggy atmosphere in both months. For a closer look at the specific conditions of August, you can visit San Fernando de Guaymas weather in August.
In December, the weather in San Fernando de Guaymas is much milder with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). The precipitation is relatively low, totaling just 10 mm (0.4 in) over 2 days, and humidity sits at 72%. In contrast, September experiences significantly higher temperatures, with a minimum of 20°C (68°F) and a scorching maximum of 43°C (110°F), averaging 31°C (87°F). This month also sees more rainfall, with total precipitation of 57 mm (2.3 in) spread over 7 days, and a slightly higher humidity of 76%. For more detailed insights into September's climate, you can visit San Fernando de Guaymas weather in September.
When comparing the weather in December to that of October, we can see distinct differences. December features milder temperatures, with a minimum of 5°C (42°F) and a maximum of 31°C (88°F), while October exhibits a broader temperature range, with a minimum of 13°C (56°F) and a maximum reaching 40°C (104°F). Additionally, October experiences higher precipitation, totaling 18 mm (0.7 in) over just one day, compared to December's lighter rainfall of 10 mm (0.4 in) over two days. Both months share the same humidity level of 72%, but the overall feel of October is markedly warmer than the more temperate December. For more detailed information, you can visit San Fernando de Guaymas weather in October.
When comparing the weather in December to that of November, December experiences a cooler range of temperatures, with a minimum of 5°C (42°F) and a maximum of 31°C (88°F), compared to November's warmer minimum of 11°C (51°F) and maximum of 38°C (100°F). The average temperature in December is also lower at 18°C (65°F) compared to November's 23°C (74°F). Additionally, both months have similar precipitation levels, with December receiving 10 mm (0.4 in) and November slightly more at 13 mm (0.5 in), both seeing rain across 2 days. Humidity remains consistent at 72% for both months, indicating a similar feel in terms of moisture in the air. For a more detailed look at November's weather, check out San Fernando de Guaymas weather in November.
December in San Fernando de Guaymas is a unique blend of mild temperatures and relatively low precipitation, making it a pleasant escape from the sweltering heat of summer months. With daytime highs reaching a comfortable warmth, and cooler nights, this month offers an ideal climate for outdoor activities and exploration. The humidity levels, while present, are not as oppressive as in the summer, allowing for a more enjoyable experience. Additionally, the minimal rainfall contributes to the dry, sunny days typical of this time of year. For more details on seasonal variations, check out San Fernando de Guaymas Climate.