Last updated: April 22, 2025
Experience the vibrant January weather in San Juan Mazatlán, Mexico, where the average temperature hovers at a comfortable 19°C (66°F). Embrace the warmth as daytime highs reach up to 32°C (90°F), perfect for outdoor adventures, while evenings cool down to 8°C (47°F), offering a pleasant reprieve. Expect 52 mm (2.1 in) of rain spread across approximately 10 days, contributing to a noteworthy 84% humidity that enhances the tropical ambiance. Whether you're wandering its picturesque streets or relaxing by the beach, January in San Juan Mazatlán promises a delightful escape.
In January, San Juan Mazatlan, Mexico, welcomes visitors with a comfortable climate, experiencing a minimum temperature of 8°C (47°F) and an average of 19°C (66°F). As the month progresses, the maximum temperature can reach 32°C (90°F), creating inviting conditions for outdoor activities. This lively beach town typically enjoys mild and pleasant weather, which sets the tone for the following months. Notably, as January transitions into February, temperatures see a slight increase, with averages climbing to 20°C (69°F), hinting at the warm days to come. Throughout the winter months, evenings remain cool, but the gradual rise in daytime temperatures prepares visitors for the hotter, vibrant atmosphere of spring and summer. Consistency in low nighttime temperatures, often dipping to around 8-10°C (47-51°F), coupled with highs reaching into the 30s°C (86-96°F) by late spring, indicates that Mazatlan is a destination that promises a delightful escape from the winter chill.
January in San Juan Mazatlán ushers in a modest 52 mm (2.1 in) of precipitation, falling over approximately 10 days. This sets the stage for a relatively dry transition into the heart of winter, where rainfall gently lingers before beginning to ramp up in the following months. As we progress through February, precipitation dips slightly to 50 mm (2.0 in), hinting at a typically mild dry season. However, by May, the region starts to feel the impending shift toward the tropical wet season, with a notable increase to 92 mm (3.6 in) and 15 rainy days. This trend escalates dramatically in June, when precipitation skyrockets to 377 mm (14.8 in), marking the peak of the wet season. The transition from January's brief rainfall to the torrential downpours of summer showcases the dynamic climate of San Juan Mazatlán, where each month brings its own unique weather narrative.
In January, San Juan Mazatlan experiences a high humidity level of 84%, marking the beginning of a trend that sees moisture levels gradually declining until April, where it reaches the lowest point of 67%. As spring approaches, humidity starts to ascend again, peaking in October with a notable 89%. This cyclical pattern suggests the coastal area's climate is characterized by a humid atmosphere, particularly in the winter and fall months, creating a vibrant environment before the drier spring settles in. By the end of the year, humidity remains relatively stable, illustrating the region’s overall tropical character that makes it a unique destination year-round.
In January, San Juan Mazatlán experiences a UV Index of 9, categorizing the sun exposure as very high. With a burn time of merely 15 minutes, it’s crucial for visitors to take precautions against sunburn. As the months progress, the UV Index escalates sharply, peaking at 14 from April through July, classified as extreme, where the burn time drastically decreases to just 10 minutes. This notable trend highlights the need for increased sun safety measures in the coming months, especially during peak summer. By November, the UV levels begin to retreat slightly, returning to very high with an index of 10, making it essential to stay vigilant, especially when planning outdoor activities. For detailed insights into UV levels throughout the year, visit San Juan Mazatlan UV Index.
UV Risk Categories
January in San Juan Mazatlán offers a delightful start to the year with 208 hours of sunshine, setting a warm and inviting tone as the city transitions into the sun-drenched months ahead. As winter subsides, the sunshine steadily increases, peaking at an impressive 320 hours in May, heralding the arrival of summer’s warmth. While June sees a slight dip to 273 hours, the sun-filled days persist through July's 321 hours, making it a prime time for beach lovers. The trend continues with abundant sunshine until October, where hours gradually decline, settling into the cooler months of November and December, but still maintaining a respectable 276 hours and 274 hours, respectively. This consistent pattern of sunshine makes Mazatlán a captivating destination for those seeking warmth and light throughout the year.
In San Juan Mazatlán, January offers a moderate chance of sunny weather, with only 24% of the days likely to be bathed in sunlight. This marks a significant contrast to the sunshine-filled days of February and March, which boast chances of 51% and 60% respectively, highlighting a clear upward trend as winter gives way to spring. Following the peak sunshine in March, the likelihood gradually dips into the summer months, where June and July see a steep decline to just 13% and 23%. As the year unfolds, the tendency for more sun returns in October and November, with chances climbing back to 31% and 41%. Therefore, while January may be less sunny, it sets the stage for a brighter spring in Mazatlán.
In San Juan Mazatlán, January marks the beginning of the year with a consistent 11 hours of daylight, mirroring February's sunlit offerings. As spring approaches in March, the daylight stretches to 12 hours, a trend that continues through April and May, providing ample time for outdoor activities and exploration. The days grow even longer in the summer months of June and July, with 13 hours of daylight, creating the perfect backdrop for beachgoers and sun-seekers. However, as August transitions into fall, daylight hours gradually taper back to 12 hours. This decrease persists through late autumn and into winter, as October, November, and December each return to 11 hours of daylight. Overall, the daylight duration in San Juan Mazatlán showcases a rhythmic ebb and flow, aligning beautifully with the changing seasons.
In January, the winds in San Juan Mazatlán are gentle, with an average speed of 2.5 m/s (or 6 mph), mirroring the wind conditions of February. As the season transitions into March and April, the breezes pick up slightly to 3.0 m/s (7 mph), creating a refreshing atmosphere that invites outdoor activities along the stunning coastline. However, as the summer months approach, the winds mellow, dipping to their lowest in June at just 1.5 m/s (3 mph). This gradual decline continues through August and September, before a modest increase in October, culminating in a gentle autumn breeze with 2.2 m/s. As the year closes with November and December, the winds gain strength again, particularly noticeable in November’s 2.8 m/s. Overall, January’s calm winds mark the beginning of a year where breezy days alternate with serene stillness, reflecting the region's delightful diversity.
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 January'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 comparing the weather between January and February, we notice some subtle yet noteworthy differences. January has temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F) and a higher humidity level of 84%. The month sees about 52 mm (2.1 in) of precipitation spread over 10 days. In contrast, February experiences slightly warmer conditions, with a minimum of 8°C (47°F), an average of 20°C (69°F), and a maximum of 33°C (91°F). Precipitation decreases slightly to 50 mm (2.0 in) over just 8 days, and humidity also drops to 80%. For more detailed information, you can check San Juan Mazatlan weather in February.
In January, the weather in San Juan Mazatlan is characterized by a minimum temperature of 8°C (47°F) and an average of 19°C (66°F), with highs reaching up to 32°C (90°F). Despite higher humidity levels at 84%, the month experiences about 52 mm (2.1 in) of precipitation over approximately 10 days. In contrast, March sees warmer temperatures, with a minimum of 10°C (51°F) and an average of 22°C (71°F), peaking at 35°C (94°F). Additionally, precipitation decreases to 34 mm (1.3 in) over just 7 days, and humidity drops to 73%. For a detailed look at the weather conditions in March, you can visit San Juan Mazatlan weather in March.
In January, temperatures in San Juan Mazatlán range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average temperature of 19°C (66°F). The month experiences about 52 mm (2.1 in) of precipitation over 10 days, coupled with a high humidity level of 84%.
By April, the weather becomes noticeably warmer. The minimum temperature rises to 13°C (55°F), while the average reaches 24°C (76°F) and the maximum soars to 35°C (96°F). Precipitation decreases slightly to 46 mm (1.8 in) over 9 days, and humidity drops to a more comfortable 67%. For a detailed look at April's weather, you can visit San Juan Mazatlan weather in April.
In January, the weather in San Juan Mazatlán features a mild range, with temperatures varying from a minimum of 8°C (47°F) to a maximum of 32°C (90°F). The month experiences an average temperature of 19°C (66°F) along with 52 mm (2.1 in) of precipitation over 10 days and high humidity levels at 84%. In contrast, May offers warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (96°F) and an average of 25°C (78°F). Precipitation increases to 92 mm (3.6 in) over 15 days, but the humidity decreases to 72%. This illustrates a notable transition from the cooler, wetter January to the hotter, more humid May. For more specifics on May weather, check this link: San Juan Mazatlan weather in May.
In January, the weather in San Juan Mazatlan features milder temperatures, with a minimum of 8°C (47°F) and a maximum reaching 32°C (90°F), averaging around 19°C (66°F). The month experiences relatively low precipitation levels, totaling 52 mm (2.1 in) spread across about 10 days, and humidity remains high at 84%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 34°C (93°F), and an average of 24°C (76°F). However, June is significantly wetter, with precipitation hitting 377 mm (14.8 in) over approximately 23 days, while humidity decreases to 73%. For more detailed information, check San Juan Mazatlan weather in June.
When comparing the weather in January and July, several notable differences emerge. January experiences milder temperatures, with a minimum of 8°C (47°F) and an average high of 32°C (90°F), while July sees a warmer minimum temperature of 18°C (64°F) and an average temperature of 24°C (75°F). Precipitation is significantly higher in July, with 191 mm (7.5 in) over 27 days compared to January's 52 mm (2.1 in) across 10 days. Humidity levels are also lower in July at 76%, compared to the higher 84% in January. For a closer look at the weather patterns in July, check out San Juan Mazatlan weather in July.
In January, the weather in San Juan Mazatlan is characterized by a mild temperature range, with minimums around 8°C (47°F) and maximums reaching 32°C (90°F). Average temperatures hover around a pleasant 19°C (66°F), while humidity is relatively high at 84%, accompanied by 52 mm (2.1 in) of precipitation over about 10 days.
In contrast, August brings warmer temperatures with a minimum of 18°C (65°F) and a slightly higher maximum of 33°C (91°F), resulting in an average temperature of 23°C (75°F). However, this month experiences significantly more rainfall, with 323 mm (12.7 in) spread across 27 days, and humidity sits at a comfortable 80%. For more details, you can explore San Juan Mazatlan weather in August.
In January, temperatures in San Juan Mazatlan range from a minimum of 8°C (47°F) to a maximum of 32°C (90°F), with an average temperature of 19°C (66°F). The month sees about 52 mm (2.1 in) of rainfall over approximately 10 days, all while maintaining a humidity level of 84%. In contrast, September offers a warmer climate, with minimum temperatures at 18°C (64°F) and reaching up to 33°C (92°F), averaging around 24°C (75°F). However, September is significantly wetter, experiencing 249 mm (9.8 in) of precipitation over 25 days, coupled with the same humidity level of 84%. For more details on September weather, visit San Juan Mazatlan weather in September.
In January, the weather typically features a minimum temperature of 8°C (47°F), reaching an average of 19°C (66°F) and a maximum of 32°C (90°F). The month sees around 52 mm (2.1 in) of precipitation over approximately 10 days, with a humidity level of 84%. In contrast, October presents a warmer climate, with a minimum temperature of 14°C (57°F) and an average of 23°C (73°F), peaking at 33°C (92°F). This month experiences significantly higher rainfall, totaling 270 mm (10.6 in) over about 20 days, accompanied by a slightly increased humidity of 89%. For more details on the October weather, you can check San Juan Mazatlan weather in October.
In January, the weather features mild temperatures, with a minimum of 8°C (47°F) and an average high of 32°C (90°F), complemented by an average humidity of 84%. This month experiences around 52 mm (2.1 in) of precipitation over 10 days. In contrast, November shows slightly warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 32°C (89°F), while humidity rises to 88%. Additionally, November tends to be wetter, recording about 91 mm (3.6 in) of rainfall across 11 days. For a detailed look at the weather specifics for November, you can check out San Juan Mazatlan weather in November.
In comparing the weather of January and December, both months exhibit similar average temperatures, with January experiencing a slight dip in minimum temperature at 8°C (47°F) compared to December's minimum of 9°C (48°F). Both months also share the same average maximum temperature of 32°C (90°F) and an average of 19°C (66°F). However, January sees a higher total precipitation of 52 mm (2.1 in) over 10 days, while December has 40 mm (1.6 in) over just 8 days. Additionally, humidity levels in January are slightly lower at 84%, compared to December's 88%. For more detailed information on December weather, you can visit San Juan Mazatlan weather in December.
In January, San Juan Mazatlan experiences a notable shift in weather compared to the warmer months, offering a refreshing respite from the heat. With average temperatures hovering around a comfortable 19°C (66°F), daytime highs reach up to 32°C (90°F), making it ideal for outdoor activities without the intense summer heat. However, this month also brings increased humidity at 84% and occasional rain, as 52 mm (2.1 in) of precipitation is recorded over about 10 days. This combination of warmth and moisture contributes to a lush environment and vibrant landscapes, perfect for exploring the region's natural beauty. For a deeper understanding of what to expect throughout the year, check out the complete details at San Juan Mazatlan Climate.