Last updated: April 22, 2025
January in San Juan del Río, Mexico, offers a delightful climate for visitors and locals alike. With maximum temperatures peaking at 34°C (93°F) and an average of 26°C (78°F), the days are pleasantly warm. Nighttime cools off to a mild minimum of 19°C (67°F), ensuring comfortable evenings. This month sees a scant 5 mm (0.2 in) of rainfall across only 1 day, making it a great time for outdoor activities. The humidity hovers around 66%, adding a touch of tropical warmth to the air. Overall, January presents an inviting atmosphere ideal for exploring this vibrant region.
In January, San Juan del Río, Mexico, experiences a delightful range of temperatures that set the tone for its warm climate throughout the year. The month starts with a minimum temperature of 19°C (67°F), providing a pleasant backdrop for outdoor activities, while the average temperature remains comfortably around 26°C (78°F). As the days warm up, temperatures can peak at 34°C (93°F), hinting at the summer heat that lies ahead. This dynamic range reflects a trend where the region gradually shifts from milder temps in January to warmer conditions as spring approaches, laying the foundation for the consistently inviting climate that characterizes San Juan del Río's annual weather patterns.
In January, San Juan del Río, Mexico, experiences a modest precipitation total of 5 mm (0.2 in), typically falling on just one day. This early winter month signals the tail end of the dry season, as precipitation levels remain low compared to the heavy rains that arrive later. As the year progresses into May, rainfall begins to increase significantly, peaking dramatically in the summer months, particularly August and September, with totals exceeding 350 mm (14 in). The contrasting dry and wet seasons highlight the region's distinct climatic patterns, making January a relatively dry month, setting the stage for the lush transformation that follows in the latter half of the year.
In January, San Juan del Rio experiences a humidity level of 66%, setting the stage for a month that feels comfortably moist but not overly oppressive. As the year progresses, humidity gradually decreases to 64% in February, and reaches its lowest point of 63% in March. However, the trend soon shifts, with humidity steadily climbing to 69% in April and peaking at 79% during the hot summer months of July and August. Following this peak, a gentle decline takes place as the year winds down, culminating in 72% humidity in November and 70% in December. This pattern reflects a typical cycle of rising humidity through the warmer months and a gradual retreat as temperatures cool, offering a dynamic and engaging climate throughout the year.
In San Juan del Rio, Mexico, January boasts a UV Index of 10, categorizing it as very high, with a burn time of just 15 minutes. As the months progress, the UV exposure intensifies significantly; by February, the index climbs to 11, entering the extreme category, and remains there through July, peaking at 14 in both May and June. This trend underscores the increasing intensity of UV radiation during the early stages of the year, emphasizing the importance of sun protection. Interestingly, the UV Index dips back to 9 in November and 8 in December, reverting to the very high category. For more detailed information on the UV Index throughout the year, visit San Juan del Rio UV Index.
UV Risk Categories
January marks the beginning of a sunny journey in San Juan del Río, Mexico, with 241 hours of radiant sunshine. As the months progress, the city basks in increasing daylight, peaking in March and April with an impressive 319 and 321 hours, respectively. This trend highlights the transition from winter’s mild glow to the vibrant warmth of spring. Although there’s a slight dip in June with 245 hours, the sunshine returns with vigor, especially in November and December, each offering a generous 287 and 296 hours as the year wraps up. Overall, San Juan del Río enjoys a delightful sunlit panorama, making it a year-round destination for those seeking bright skies and warm days.
January in San Juan del Rio, Mexico, boasts a 57% chance of sunny weather, making it a promising start to the year. As the months progress into February, the likelihood of sunshine increases significantly to 79%, reaching one of the highest points of the year. March also enjoys a healthy 66% chance of clear skies, followed by April with 71%. This trend brightens considerably before the rains arrive in June, where the sunny days plummet to just 13%. Following this pattern, July and August also see similar low probabilities of sunshine. However, as the year draws to a close, the weather lightens again, with November at 62% and December shooting back up to 79%, signaling a return to sunnier days. Overall, whether you're planning a winter getaway or looking forward to the spring, January serves as a solid indicator of the sunny days to come.
In San Juan del Río, Mexico, January marks the start of a gradual transition in daylight duration, offering 11 hours of daylight. This consistency continues into February, creating a serene winter atmosphere. As spring approaches in March, daylight extends to 12 hours, a trend that remains steady through April and May, allowing residents and visitors to enjoy longer evenings. June and July bring the longest days of the year with 13 hours of sunlight, perfect for outdoor activities. Following this peak, daylight begins to taper off as August, September, and October bring back the 12-11 hour cycle, maintaining a comforting rhythm as the year winds down. By November and December, the daylight once again settles into a familiar 11-hour pattern, reflecting the cyclical nature of time in this charming region.
In January, San Juan del Río experiences a gentle breeze with an average wind speed of 1.5 m/s (3 mph), creating a pleasantly calm atmosphere as the new year unfolds. This tranquil weather sets the stage for the following months, where wind speeds gradually begin to increase, peaking in April at 1.9 m/s (4 mph). The summer months, particularly June and July, see a slight dip, returning to a softer breeze with averages of 1.5 m/s (3 mph) and 1.3 m/s (3 mph) respectively. As the year progresses into the fall, the winds remain consistent yet gentle, hovering around 1.4 m/s (3 mph) in October and November. Overall, January marks the beginning of a subtle wind pattern that fluctuates throughout the year, providing a serene backdrop for this charming Mexican locale.
The weather in San Juan del Rio 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 del Rio and find detailed weather information for every month.
In comparing the weather of January and February, both months exhibit warm temperatures, with January having a slightly higher maximum temperature of 34°C (93°F) compared to February's 33°C (92°F). The average temperatures remain quite consistent, both hovering around 26°C (78°F). January experiences a bit more precipitation, with 5 mm (0.2 in) of rain over a single day, whereas February boasts drier conditions with only 3 mm (0.1 in) and no rainy days. Humidity levels are also similar, with January at 66% and February slightly lower at 64%. For more detailed insights on February weather, you can visit San Juan del Rio weather in February.
In January, temperatures in San Juan del Rio range from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), with an average temperature of 26°C (78°F). The month sees a total precipitation of 5 mm (0.2 in) over just 1 day, contributing to a humidity level of 66%. In contrast, March experiences slightly warmer weather, with minimum temperatures increasing to 20°C (68°F) and a maximum reaching 34°C (94°F), while still maintaining an average of 26°C (80°F). Notably, March is drier, with only 2 mm (0.1 in) of precipitation and no rainy days, leading to a slightly lower humidity of 63%. For more insights into March weather, you can check San Juan del Rio weather in March.
When comparing the weather between January and April, January boasts slightly cooler temperatures with an average of 26°C (78°F) and a maximum of 34°C (93°F), while April sees a minor increase, averaging 27°C (81°F) and peaking at 35°C (96°F). Both months have low precipitation, but January experiences 5 mm (0.2 in) over just one day, whereas April enjoys even drier conditions with only 1 mm (0.0 in) and no rainy days. Humidity is quite similar, with January at 66% and April slightly higher at 69%. For more details, you can check San Juan del Rio weather in April.
In comparing the weather between January and May, January tends to be slightly cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F). It experiences minimal precipitation, averaging only 5 mm (0.2 in) across just one day, accompanied by a humidity level of 66%. In contrast, May is warmer, with temperatures starting at a minimum of 21°C (70°F) and peaking at 35°C (95°F). This month sees significantly higher precipitation, averaging 28 mm (1.1 in) over five days, and a slight increase in humidity to 73%. For more details on the weather in May, you can check San Juan del Rio weather in May.
In January, the weather in San Juan del Rio features a comfortable range, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and an average of 26°C (78°F). The month sees only minimal precipitation, with just 5 mm (0.2 in) over 1 day and a humidity level of 66%. In contrast, June experiences warmer nights, with temperatures starting at 22°C (72°F) and averaging 27°C (80°F), but it also brings significant rainfall, totaling 289 mm (11.4 in) over 21 days, and increased humidity at 76%. This stark difference in precipitation and humidity showcases the transition from the dry to the wet season. For more detailed information, you can explore San Juan del Rio weather in June.
In January, the weather is generally warm and dry in San Juan del Rio, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and only 5 mm of precipitation over just 1 day. The humidity level stands at a comfortable 66%. In contrast, July experiences slightly higher minimum temperatures, starting at 23°C (73°F), with similar maximum temperatures reaching up to 34°C (93°F). However, July is significantly wetter, with 172 mm of precipitation over 20 days, and humidity rises to 78%. For more details on the weather conditions in July, check out San Juan del Rio weather in July.
January and August in San Juan del Rio show notable differences in weather patterns. January boasts a relatively mild climate with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and only minimal precipitation of 5 mm (0.2 in) over just one day. In contrast, August features a slightly warmer average temperature of 27°C (81°F) and higher humidity at 79%, but is characterized by significantly increased rainfall, accumulating 357 mm (14.1 in) over 24 days. This contrast highlights January's drier conditions compared to the wet and humid environment typical of August. For more details, you can refer to San Juan del Rio weather in August.
In January, the weather is typically warm and dry, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and an average of 26°C (78°F). The humidity sits at a comfortable 66%, and there's minimal precipitation, totaling just 5 mm (0.2 in) over a single day. In contrast, September experiences much heavier rainfall, with total precipitation reaching 368 mm (14.5 in) over 25 days, leading to higher humidity levels at 78%. The temperatures in September are also slightly warmer, with a minimum of 22°C (72°F), an average of 27°C (80°F), and a maximum of 32°C (90°F). This stark contrast in weather makes January a drier and warmer month compared to the wet and humid conditions of September. For more detailed information, you can check San Juan del Rio weather in September.
In January, the weather is relatively warm with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), accompanied by low precipitation of only 5 mm (0.2 in) over just one day. The humidity sits at a comfortable 66%. In contrast, October experiences slightly cooler temperatures, with a minimum of 22°C (71°F) and a maximum of 32°C (90°F). However, it is significantly wetter, with 280 mm (11.0 in) of rain spread over 24 days, resulting in higher humidity levels of 75%. For more details, you can check out San Juan del Rio weather in October.
In comparing the weather between January and November, January tends to be slightly cooler with a minimum temperature of 19°C (67°F) and a maximum of 34°C (93°F), while November's temperatures range from a minimum of 20°C (69°F) to a maximum of 33°C (91°F). Although both months have the same average temperature of 26°C (78°F), November experiences significantly more rainfall, with 54 mm (2.1 in) over 6 days compared to just 5 mm (0.2 in) over 1 day in January. Additionally, November's humidity levels are higher at 72%, compared to January's 66%. For more specific details on November weather, visit San Juan del Rio weather in November.
In comparing the weather between January and December, we see that January experiences slightly lower maximum temperatures, averaging 34°C (93°F), compared to December's 33°C (92°F). Both months share the same average temperature of 26°C (78°F), but January dips slightly in minimum temperature to 19°C (67°F), compared to December's minimum of 20°C (67°F). In terms of precipitation, January is relatively drier, receiving only 5 mm (0.2 in) over 1 day, while December faces a bit more rain with 12 mm (0.5 in) over 2 days. Additionally, January has a lower humidity level at 66% compared to December's 70%. For more detailed insights, you can check San Juan del Rio weather in December.
As January unfolds in San Juan del Rio, residents and visitors alike can expect a delightful blend of mild temperatures and low rainfall, providing a pleasant reprieve from the heat of the preceding months. With an average temperature hovering around a comfortable 26°C (78°F), January offers a delightful climate that contrasts with the sweltering summer heat. The month enjoys minimal precipitation, with only a day or two of rain, keeping the atmosphere crisp and refreshing. Additionally, the humidity remains at a moderate 66%, making January an ideal time for outdoor adventures and exploration. For a more comprehensive look at the year-round weather patterns, check out San Juan del Rio Climate.