January Weather in San Blas, Mexico

Last updated: April 22, 2025

January in San Blas, Mexico, offers a delightful escape with warm temperatures averaging around 22°C (71°F) and reaching a maximum of 31°C (88°F). Visitors can expect a mild, comfortable atmosphere, perfect for outdoor adventures, while the pleasant evenings cool down to a minimum of 12°C (55°F). With only 17 mm (0.7 in) of rain over just one day, January remains primarily dry, complemented by a modest humidity of 71% that enhances the tropical feel. Ideal for both relaxation and exploration, this month paints San Blas in vibrant, sun-soaked hues.

January Temperature in San Blas

In January, San Blas, Mexico, welcomes visitors with a delightful temperature range that enhances the allure of this coastal destination. With temperatures starting at a comfortable 12°C (55°F) at night, the days warm up nicely, reaching an inviting 31°C (88°F). The average temperature hovers around a pleasant 22°C (71°F), making it a perfect month for outdoor activities. As winter progresses into February and beyond, temperatures gradually rise, with minimums increasing to 14°C (58°F) and daytime highs peaking at 30°C (86°F). The trend continues into March and April, where the warmth becomes even more pronounced but still stays remarkably comfortable, encouraging visitors to enjoy the stunning beaches and vibrant culture. Overall, January sets the tone for an excellent mild winter escape, beautifully transitioning into the warmer months of the year.

January Weather in San Blas: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Blas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717172747780828281817773
Data source: Temperature data for San Blas 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.

January Precipitation in San Blas

In January, San Blas experiences a modest precipitation of 17 mm (0.7 in), falling over just one day, setting the stage for the dry spell that follows in February with slightly more precipitation at 18 mm (0.7 in). As the months progress, particularly from March through May, rainfall becomes nearly nonexistent, creating a stark contrast to the intense rainy season that begins in June. This season peaks in August, when San Blas receives a staggering 426 mm (16.8 in) over an incredible 27 days of rain. This clear trend highlights the region's marked seasonal shifts, with dry months giving way to heavy downpours, ultimately shaping its lush landscapes and local ecology.

January Precipitation Trends in San Blas

The chart displays monthly precipitation patterns in San Blas, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1718002117223426368190107
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Blas

In January, San Blas, Mexico, experiences a humidity level of 71%, setting the stage for a tropical climate that continues into the following months. As winter transitions to spring, humidity gradually decreases, reaching 66% in April before beginning a slight rise once more. The warmer summer months of June through September showcase the area at its most humid, with levels peaking at 79% in July. As the year winds down, humidity gradually declines again, settling at 74% in both November and December. This trend highlights San Blas as a region of varied humidity, offering a vibrant and lush environment, especially during its warmer months.

January Average Humidity in San Blas

This chart illustrates the average monthly humidity levels in San Blas, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Blas

In January, San Blas, Mexico, experiences a UV Index of 8, categorized as very high, with a burn time of just 15 minutes. This sets the stage for an increase in UV exposure as the months progress, peaking at an extreme index of 13 from April to June, where the burn time reduces to a mere 10 minutes. Notably, February and March also show very high and extreme levels, respectively, prompting caution for sunbathers. As summer approaches, the indices remain consistently high, ranging from 12 to 13 through July to September. The trend shows a gradual decrease towards the end of the year, with November dropping to a UV Index of 9 and December further easing to 7, which presents a safer window for outdoor activities. Given these trends, staying informed is essential; for more details, check the comprehensive guide at San Blas UV Index.

Maximum UV Index Levels in San Blas for January

The chart shows the monthly maximum UV Index (UVI) for San Blas in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131212121197
Data source: San Blas January 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.

January Sunshine in San Blas

In January, San Blas shines with 225 hours of sunlight, setting the stage for a bright start to the year. As the months roll on, this coastal gem experiences a notable surge in sun-drenched days, peaking in May with an impressive 352 hours. This upward trend continues into April and early summer, ensuring ample sunshine for beachgoers and outdoor enthusiasts. However, come August, the hours begin to taper off gradually, yet remain commendable at 278 hours. This cyclical pattern highlights San Blas as a year-round sun seeker’s paradise, with each month offering its own unique blend of warmth and light, inviting visitors to bask in the beauty of the Mexican coast.

Monthly Sunshine Duration in San Blas: January Highlighted

The January sunshine duration represents the total number of hours San Blas experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec225h262h318h329h352h317h310h278h261h274h282h277h
Data source: San Blas January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Blas During January

In January, San Blas, Mexico, enjoys a moderate likelihood of sunny weather with a 56% chance of sunshine. This marks a promising start to the year, as the sun begins to shine more frequently compared to the winter months. Following January, the chances of sun steadily increase, peaking in May at an impressive 80%, before gradually declining through the summer and early fall. As the seasons shift, February and March both boast a 67% chance of clear skies, closely followed by April at 65%. However, as the warmer months approach, it's essential to note that the likelihood of sunny weather diminishes significantly in June and continues to drop, reaching a low of just 16% in August. Ultimately, for those seeking sun-drenched days in January, San Blas offers a pleasant blend of warmth with a fair chance of enjoying the outdoors.

Percentage of Sunny Days in January in San Blas

The chart illustrates the percentage of sunny days in San Blas throughout the year, with January 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 San Blas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%67%67%65%80%29%25%17%26%50%63%59%
Data source: San Blas January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Blas in January

In San Blas, Mexico, January welcomes approximately 10 hours of daylight, marking the seasonal transition that leads to longer days. As the calendar flips to February, daylight increases to 11 hours, subtly hinting at the approaching warmth of spring. By March, the daylight reaches a balanced 12 hours, a pattern that continues through April. The days remain generous with 12 to 13 hours of sunlight from March to July, creating an ideal environment for outdoor activities and exploration. However, as summer wanes in August, daylight begins to decline, settling back to 12 hours. This gradual descent continues through autumn, with 11 hours of daylight returning in October and November, before closing the year once again at 10 hours in December. This rhythm of light not only marks the seasons but also enhances the charm of San Blas throughout the year.

Average Daylight Hours in San Blas for January

The chart illustrates the variation in daylight duration in San Blas throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 26m12h 1m12h 39m13h 10m13h 24m13h 16m12h 49m12h 13m11h 36m11h 5m10h 49m
Data source: San Blas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in San Blas

In January, the wind gently whispers through San Blas, with an average speed of 2.0 m/s (5 mph), creating a perfect backdrop for leisurely beach strolls and warm sunsets. As the month gives way to February, the calm persists, maintaining the same average speed, which continues to provide a serene atmosphere. Moving into the spring months, March and May experience a slight uptick, reaching 2.1 m/s (5 mph), adding just enough breeze to invigorate outdoor activities without overwhelming the senses. However, as summer approaches, the winds begin to mellow, peaking at only 1.6 m/s (4 mph) in July and September, inviting visitors to relax under the sun. The trend towards lighter winds continues into the fall, with average speeds hovering around 1.8 m/s (4 mph) in November, before returning to the familiar gentle pace of January as the year draws to a close. Overall, the January winds of San Blas set the tone for a delightful coastal experience, characterized by a consistent and inviting breeze throughout the year.

Average January Wind Speed in San Blas

The chart displays monthly wind speed patterns in San Blas, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.0 m/s2.02.12.02.12.01.61.91.61.71.81.9
Data source: San Blas January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in San Blas Compares to Other Months

The weather in San Blas 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 Blas and find detailed weather information for every month.

In comparing the weather between January and February, we see that both months have similar average temperatures, hovering around 22°C (71°F). However, January experiences slightly warmer maximum temperatures at 31°C (88°F), while February's peak is a bit cooler at 30°C (86°F). The minimum temperatures also vary slightly, with January starting at 12°C (55°F) compared to February's 14°C (58°F). Precipitation levels remain quite comparable, with January receiving 17 mm (0.7 in) and February slightly higher at 18 mm (0.7 in), both spread over just one day. Additionally, February boasts a lower humidity level at 69% compared to January's 71%. For more detailed information, you can check out San Blas weather in February.

In January, San Blas experiences a warm climate with minimum temperatures around 12°C (55°F) and highs reaching up to 31°C (88°F). The month sees an average temperature of 22°C (71°F) along with 17 mm (0.7 in) of precipitation over just one day, resulting in a humidity level of 71%.

In contrast, March presents slightly higher minimum temperatures at 15°C (59°F), but averages the same at 22°C (73°F), with maximum temperatures capping at 29°C (85°F). Remarkably, March boasts no recorded precipitation, resulting in lower humidity at 67%. This difference highlights the drier conditions of March compared to January. For more details on the weather in March, visit San Blas weather in March.

In comparing the weather between January and April, January records a minimum temperature of 12°C (55°F) and an average of 22°C (71°F), with a maximum of 31°C (88°F). It also experiences some precipitation, totaling 17 mm (0.7 in) over just one day, along with a humidity level of 71%. In contrast, April shows a slight increase in minimum temperature, starting at 16°C (61°F), and an average of 23°C (74°F), with a maximum of 30°C (86°F). Notably, April is much drier, with no recorded precipitation, and a lower humidity of 66%. This makes April a more pleasant month for outdoor activities with stable temperatures and clear skies. For more details, you can check out San Blas weather in April.

In comparing the weather between January and May, January experiences a cooler climate with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (88°F), while May generally sees milder temperatures, with a minimum of 18°C (64°F) and an average high of 31°C (87°F). Additionally, January has higher precipitation levels at 17 mm (0.7 in) over one day, while May is significantly drier, with just 2 mm (0.1 in) of rainfall and no rainy days. Humidity levels are relatively similar, with January at 71% and May slightly lower at 69%. For further details on May's climate, check out San Blas weather in May.

In January, the weather is generally mild, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (88°F) and an average of 22°C (71°F). The month sees relatively low precipitation, with only 17 mm (0.7 in) over just one day, and humidity levels averaging 71%.

In contrast, June brings significantly warmer conditions, with temperatures starting at a minimum of 20°C (68°F) and peaking at 33°C (91°F), averaging around 27°C (80°F). This month experiences notably higher precipitation at 117 mm (4.6 in) over 11 days, accompanied by increased humidity of 78%. For more details, check out San Blas weather in June.

In January, the weather is generally mild with an average temperature of 22°C (71°F) and minimal precipitation, totaling just 17 mm (0.7 in) over only one day. The humidity level sits at 71%, making it relatively comfortable. In contrast, July experiences a hot and humid climate, with average temperatures reaching 28°C (82°F) and highs of 33°C (92°F). Significant rainfall is common in July, accumulating to 223 mm (8.8 in) over about 23 days, and humidity rises to 79%. For more detailed insights into the climate conditions during this month, you can refer to the following link: San Blas weather in July.

January and August present strikingly different weather conditions. In January, temperatures range from a pleasant minimum of 12°C (55°F) to a comfortable maximum of 31°C (88°F), accompanied by low precipitation of just 17 mm (0.7 in) over a single day. The humidity hovers around 71%, making the air feel refreshing. In contrast, August sees much warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (92°F). However, this month is characterized by significant rainfall, with 426 mm (16.8 in) over 27 days, leading to higher humidity levels at 78%. For further details on the weather specifics during this month, you can check San Blas weather in August.

January and September present contrasting weather conditions. In January, temperatures range from a minimum of 12°C (55°F) to a maximum of 31°C (88°F) with an average of 22°C (71°F), accompanied by low precipitation of just 17 mm (0.7 in) over a single day. The humidity hovers around 71%, creating a relatively comfortable climate. In stark contrast, September features warmer temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), peaking at 32°C (91°F). However, it is also much wetter, experiencing a significant 367 mm (14.5 in) of rainfall across 27 days, and the humidity increases to 78%. For detailed information on this month, you can explore San Blas weather in September.

January and October present contrasting weather patterns. January typically enjoys milder temperatures, with a minimum of 12°C (55°F) and a maximum of 31°C (88°F), accompanied by low precipitation of only 17 mm (0.7 in) over just one day. The humidity sits at a comfortable 71%. In stark contrast, October experiences warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 34°C (93°F). However, it is also the rainy season, receiving a substantial 190 mm (7.5 in) of precipitation over 16 days, resulting in a slight increase in humidity to 75%. For more details on October weather, check out San Blas weather in October.

In January, the weather tends to be slightly cooler, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (88°F) and an average temperature of 22°C (71°F). During this month, there is minimal precipitation, totaling just 17 mm (0.7 in) over one day, and humidity levels average around 71%.

In contrast, November experiences warmer temperatures, with a minimum of 18°C (64°F) and a maximum reaching 32°C (89°F), resulting in an average of 25°C (78°F). This month sees even less rainfall, with only 9 mm (0.4 in) over a single day, and slightly higher humidity at 74%. For a closer look at the weather during November, check out San Blas weather in November.

In January, the weather is generally warm, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (88°F) and an average of 22°C (71°F). There is slightly more humidity at 71% and a bit more precipitation, accumulating 17 mm (0.7 in) over just one day. In contrast, December experiences slightly milder conditions, with minimum temperatures at 15°C (59°F) and a maximum of 30°C (85°F), averaging 23°C (73°F). The month is also drier, with only 7 mm (0.3 in) of precipitation recorded over one day, accompanied by a slightly higher humidity level of 74%. For more detailed insights, check out San Blas weather in December.

Compare San Blas's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in San Blas

January in San Blas brings a refreshing contrast to the warmer months that follow, with daytime temperatures pleasantly hovering around 22°C (71°F). Unlike the sweltering summer, this month enjoys a much cooler ambiance, complemented by relatively low humidity at 71%. With only one day of light precipitation totaling 17 mm, January's weather offers ideal conditions for exploring the vibrant coastal landscape and indulging in outdoor activities. As you savor the mild temperatures and vibrant scenery, you can learn more about what to expect throughout the year by checking San Blas Climate.