Last updated: August 21, 2025
January in San Carlos de Bariloche, Argentina offers a delightful mix of summer warmth and cool mountain air. With maximum temperatures reaching 30°C (86°F) and an average of 13°C (55°F), visitors can enjoy a range of outdoor activities in pleasant conditions. However, the month can also surprise with cooler nights, dipping as low as -3°C (27°F). Rainfall is minimal, totaling only 29 mm (1.1 in) over just 3 days, allowing ample opportunities for exploration among the region's stunning landscapes. The humidity hangs around 70%, adding a refreshing quality to the summer heat. It's an ideal time to experience the beauty of Bariloche's nature while enjoying its vibrant culture.
In January, San Carlos de Bariloche experiences a delightful summer, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), offering a refreshing average of 13°C (55°F). This month marks the peak warmth of the year, inviting both locals and tourists to enjoy outdoor activities amidst stunning natural scenery. As the season transitions into February, the warmth persists, slightly elevating the average to 14°C (57°F), with highs reaching 32°C (89°F). However, as March arrives, a notable dip occurs, with average temperatures dropping to 10°C (51°F) and maxes returning to 30°C (86°F). The cooling trend solidifies into April, where the atmosphere becomes distinctly autumnal, bringing average highs of 21°C (71°F). This gradual shift continues through the colder months, with minimum temperatures plunging to -13°C (9°F) by July before finally warming just a bit again in November. Overall, the temperature trends in Bariloche reflect a vibrant seasonal cycle, showcasing the beauty of both summer heat and winter chill.
In January, San Carlos de Bariloche experiences relatively mild precipitation, accumulating 29 mm (1.1 in) over just 3 days, marking one of the drier months in the region. This trend of limited rainfall continues into February, with a slight drop to 22 mm (0.9 in) across 4 days, but a noticeable uptick occurs in March as precipitation rises to 49 mm (1.9 in) over 6 days. As the seasons transition, Bariloche sees a significant increase in rainfall, particularly in the winter months from May to July, where totals soar to over 100 mm, showcasing the shift to wetter conditions that dominate the latter part of the year. April and May, along with June, are characteristically wet, with 13 to 17 days of rain contributing to the lush, vibrant landscapes that attract outdoor enthusiasts throughout the year.
In January, San Carlos de Bariloche experiences a moderate humidity level of 70%, setting the stage for a pleasant summer atmosphere. As the season progresses into February, humidity slightly decreases to 69%, offering a brief respite before it begins to rise again. By March, humidity climbs to 73%, marking the onset of a trend toward wetter conditions that persist through the subsequent months. April sees humidity surge to 82%, followed by consistently high levels of 88% in both May and June. The peak occurs in July and August, both reaching a humid 90%, which contributes to the region's lush landscapes. Humidity begins to taper off in September at 85%, and continues to decline through the spring and into the end of the year, settling at 71% in November and rising slightly to 73% by December. This cyclical pattern underscores Bariloche's transition from the warm, humid summer to the cooler, dryer months ahead, making each season unique in its climate character.
In January, the UV Index in San Carlos de Bariloche reaches a striking 15, categorizing it as extreme and resulting in a quick burn time of just 10 minutes. This heightened level of UV exposure is a trend that continues into February with a UV Index of 13, also in the extreme category, reinforcing the importance of sun protection during the summer months. As the season transitions into March, the Index drops to 10, still classified as very high, allowing for a slightly longer burn time of 15 minutes. This general trend of decreasing UV levels continues into the fall, with April seeing a reduction to 6, indicating a high exposure level. By the time May and June arrive, UV levels settle into a more moderate range between 3 and 4, with burn times extending to 30 minutes. As the year progresses, UV exposure fluctuates, but the critical takeaways are clear: January and February require the most vigilance due to extreme UV levels, while late autumn sees a comfortable moderation. For more details on these patterns, check out the full report on the San Carlos de Bariloche UV Index.
UV Risk Categories
January shines brightly in San Carlos de Bariloche, with an impressive 312 hours of sunshine, signaling the peak of summer fun in this beautiful Argentine destination. As the year progresses, sunshine hours gradually increase, peaking in December with 380 hours, creating a warm and inviting atmosphere for both locals and tourists. February holds onto the summer glow with 332 hours, while March sees a slight decrease to 326 hours as autumn approaches. The trend continues downward through the cooler months, dipping to a low of 148 hours in June, before a gradual recovery begins in July. By October, the days grow longer again with 303 hours, culminating in a radiant November that boasts 342 hours. This delightful fluctuation in sunshine hours not only makes Bariloche a year-round destination but also highlights the charming seasonal transitions that keep visitors coming back.
In January, San Carlos de Bariloche enjoys a 61% chance of sunny weather, making it one of the brighter months of the year. This trend continues into February, where the likelihood rises to 68%, peaking just before the summer season begins to wane. As the calendar shifts toward March, the chances of sunshine taper off to 56%, signaling the close of the sunniest days. Following this, there is a notable decline through the fall and winter months, with April and May dropping to 28% and 29%, respectively. The sun makes a rare appearance in the depths of winter, with probabilities plummeting to 22% in June and only 24% in July, before slowly creeping back up in August. By the end of the year, December sees a significant increase again, reaching 70%, heralding the return of brighter days as winter gives way to summer once more.
In San Carlos de Bariloche, Argentina, January is characterized by its generous 14 hours of daylight, inviting residents and visitors alike to revel in the warmth of the summer sun. As the calendar turns to February, daylight slightly diminishes to 13 hours, marking the beginning of a gradual yet steady decline. By March, daylight further reduces to 12 hours, heralding the transition into autumn. This pattern continues, with daylight dipping to 10 hours in April and maintaining that duration through June, as the colder months settle in. However, as winter wanes, there’s a resurgence of light in August and September, creeping back up from 9 to 11 hours. Finally, daylight blooms once more in October and November, peaking at 14 hours in November and culminating in 15 hours by December, a festive finale of long summer days that reignite the cycle anew.
In January, San Carlos de Bariloche enjoys a gentle breeze with an average wind speed of 2.7 m/s (6 mph), setting the stage for a refreshing summer atmosphere. This is part of a consistent trend where winds hover around this speed in both October and November, indicating a pattern of mild breezes through the early part of the year. As the summer progresses into February and March, the winds slightly decrease to 2.2 m/s (5 mph) and 2.3 m/s (5 mph), creating an ideal environment for outdoor activities. Interestingly, the winds stabilize at 2.4 m/s (5 mph) through the mid-year months, hinting at a climate that's generally calm and conducive to relaxation. With only minor fluctuations throughout the remaining months, the wind patterns in Bariloche reveal a serene landscape, perfect for enjoying the pristine natural beauty of this Argentine gem.
Weather in San Carlos de Bariloche varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Carlos de Bariloche, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February experiences slightly warmer temperatures, with a minimum of -1°C (30°F) compared to January's minimum of -3°C (27°F). The average temperature in February rises to 14°C (57°F), and the maximum reaches 32°C (89°F), surpassing January's maximum of 30°C (86°F). While precipitation is slightly lower in February at 22 mm (0.9 in) over 4 days, January sees a total of 29 mm (1.1 in) over just 3 days. Both months maintain a similar humidity level, with January at 70% and February at 69%. For more detailed insights on February weather, you can check out San Carlos de Bariloche weather in February.
In January, the weather in San Carlos de Bariloche features a range of temperatures, with a minimum of -3°C (27°F) and an average high of 30°C (86°F), making it a month with notable warmth. Rainfall is relatively light, totaling 29 mm (1.1 in) over just 3 days, and humidity hovers around 70%. In contrast, March experiences slightly cooler average temperatures, with a maximum still reaching 30°C (86°F) but an average of only 10°C (51°F). Precipitation increases to 49 mm (1.9 in) over 6 days, and humidity rises to 73%. This shift indicates a transition towards a wetter and cooler climate, making March distinctly different from the warmer and drier conditions of January. For more details on March weather, check out San Carlos de Bariloche weather in March.
When comparing the weather in January and April, notable differences emerge. January typically features a wider temperature range with a minimum of -3°C (27°F) and an average of 13°C (55°F), peaking at a warm 30°C (86°F). While precipitation is relatively low at 29 mm (1.1 in) over just three days, the humidity stands at 70%. In contrast, April presents cooler temperatures, with a minimum of -8°C (18°F) and an average of 7°C (45°F), reaching a maximum of 21°C (71°F). The month experiences higher precipitation levels at 60 mm (2.3 in) over eight days, along with increased humidity at 82%. For more details, you can check San Carlos de Bariloche weather in April.
In January, the weather in San Carlos de Bariloche is generally milder, with temperatures ranging from a minimum of -3°C (27°F) to a warm maximum of 30°C (86°F). With an average temperature of 13°C (55°F) and relatively low humidity at 70%, the month experiences minimal precipitation at just 29 mm (1.1 in) over around 3 days. In contrast, May brings much cooler conditions, with temperatures dipping significantly, featuring a low of -10°C (15°F) and a maximum of only 19°C (66°F). The average temperature falls to 4°C (39°F), while humidity rises to 88%. May is also wetter, with total precipitation reaching 101 mm (4.0 in) across approximately 13 days. For more details on the weather during this month, you can visit San Carlos de Bariloche weather in May.
In January, the weather in San Carlos de Bariloche experiences a wide temperature range, with a minimum of -3°C (27°F), an average of 13°C (55°F), and a maximum reaching up to 30°C (86°F). This month sees relatively low precipitation of 29 mm (1.1 in) over just 3 days, accompanied by a moderate humidity level of 70%.
In contrast, June brings much cooler temperatures with a minimum of -11°C (12°F), an average of only 1°C (34°F), and a maximum of 10°C (50°F). Additionally, June is significantly wetter, with precipitation amounting to 173 mm (6.8 in) over 17 days and higher humidity at 88%. You can find more about the weather specifics in June at San Carlos de Bariloche weather in June.
The weather in January and July presents a stark contrast in San Carlos de Bariloche. In January, temperatures are relatively mild, ranging from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), with an average of 13°C (55°F). The month experiences low precipitation levels of 29 mm (1.1 in) over just three days, and humidity is moderate at 70%. Conversely, July brings much colder conditions, with temperatures dipping to a minimum of -13°C (9°F) and a maximum of only 10°C (50°F) and an average of 0°C (32°F). This winter month sees significantly more precipitation at 145 mm (5.7 in) over 14 days, accompanied by increased humidity at 90%. For more detailed insights, you can visit San Carlos de Bariloche weather in July.
January and August present stark contrasts in weather patterns. In January, temperatures vary from a minimum of -3°C (27°F) to a pleasant average of 13°C (55°F), peaking at a warm 30°C (86°F). The month experiences relatively low precipitation, with only 29 mm (1.1 in) of rainfall over just 3 days and humidity around 70%. In contrast, August brings much cooler temperatures, with a minimum of -9°C (16°F) and an average of only 1°C (34°F), reaching a maximum of 11°C (52°F). This winter month sees significantly increased rainfall, accumulating 136 mm (5.4 in) over 17 days, along with higher humidity levels of 90%. For a deeper understanding of the August climate, check out San Carlos de Bariloche weather in August.
In January, San Carlos de Bariloche experiences relatively warm temperatures, with a minimum of -3°C (27°F) and an average high of 30°C (86°F). The weather is generally drier, with only 29 mm (1.1 in) of precipitation over about three days, and humidity levels around 70%. In contrast, September brings a noticeable change, as temperatures drop, with a minimum of -8°C (18°F) and an average high of only 17°C (63°F). This month sees increased precipitation, totaling 62 mm (2.4 in) over approximately nine days, coupled with a higher humidity level of 85%. For more details on the weather in September, check San Carlos de Bariloche weather in September.
In January, temperatures in San Carlos de Bariloche can range from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), with an average of 13°C (55°F). The month experiences relatively low precipitation of 29 mm (1.1 in) over just 3 days and a humidity level of 70%. In contrast, October is noticeably cooler, with temperatures varying from a minimum of -9°C (17°F) to a maximum of 22°C (71°F) and an average of 4°C (40°F). The month is wetter, recording 78 mm (3.1 in) of precipitation over 12 days, and it sees an increase in humidity to 79%. For more detailed information, check out San Carlos de Bariloche weather in October.
January and November present contrasting weather patterns. In January, temperatures can range from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), with an average of 13°C (55°F). The month is relatively dry, experiencing only 29 mm (1.1 in) of precipitation over 3 days and maintaining a humidity level of 70%. In stark contrast, November sees slightly colder temperatures with a minimum of -4°C (25°F) and a maximum of 24°C (76°F), averaging 8°C (47°F). This month is wetter, accumulating 55 mm (2.2 in) of precipitation over 9 days, and has a slightly higher humidity at 71%. For more details, check San Carlos de Bariloche weather in November.
In San Carlos de Bariloche, January typically features a broader temperature range compared to December, with minimum temperatures dropping to -3°C (27°F) and maximums reaching up to 30°C (86°F). Conversely, December has a slightly warmer average temperature, peaking at 28°C (83°F) and experiencing minimums of -1°C (30°F). January also sees less precipitation, with only 29 mm (1.1 in) over 3 days, while December has a higher total of 43 mm (1.7 in) spread across 6 days, indicating a wetter month. Humidity levels are similar, with January averaging 70% and December slightly higher at 73%. For more details on December weather, you can visit San Carlos de Bariloche weather in December.
January in San Carlos de Bariloche brings a delightful summer warmth, with temperatures that stand in stark contrast to the cooler months of the year. This month typically enjoys plenty of sunshine, making it an ideal time for outdoor adventures in the stunning Patagonian landscapes. With only a few days of light rainfall, the humidity adds a pleasant touch to the vibrant atmosphere. For those looking to experience the unique climate of this beautiful region, you can find further details on San Carlos de Bariloche Climate.