Last updated: August 21, 2025
Experience the January weather in Salta, Argentina, where temperatures range from a pleasant 10°C (51°F) at night to a warm 29°C (85°F) during the day, with an average of 19°C (66°F). While you can bask in the sunshine, be prepared for rain as January sees an average precipitation of 241 mm (9.5 in) over 22 days, resulting in high humidity levels of 84%. This vibrant weather pattern creates a lush backdrop for exploring Salta's stunning landscapes and rich culture.
In Salta, Argentina, January showcases warm and inviting temperatures, making it a perfect time to explore this stunning region. The month starts with a pleasing minimum of 10°C (51°F), quickly climbing to an average of 19°C (66°F) and peaking at a comfortable 29°C (85°F). This warmth begins to gently taper off into February, where temperatures remain similar but slightly cooler, hinting at the transitional nature of the season. As the year progresses into March, the nights cool down significantly, with minimums dropping to 4°C (40°F), while the daytime still radiates warmth with highs reaching up to 29°C (84°F). This consistent fluctuation between warm days and cooler nights continues throughout the early months of the year, culminating in a dynamic climate that offers both sunny days and refreshing evenings, perfect for any traveler looking to indulge in the scenic beauty and vibrant culture of Salta.
In January, Salta, Argentina, experiences a notable downpour, accumulating 241 mm (9.5 in) of rain over approximately 22 days. This wet start to the year sets the tone for a month characterized by persistent precipitation, contributing to the region’s lush landscapes. As summer peaks, the rainfall gradually intensifies, peaking in March with 292 mm (11.5 in), while the frequency of rainy days remains steady through February and March, each averaging around 24 days. However, as April arrives, the precipitation begins to taper off, dropping to 223 mm (8.8 in) and illustrating the shift toward the drier months ahead. Overall, January's significant rainfall signals the onset of a dynamic climate pattern that transitions toward drier conditions as the year progresses.
In January, Salta, Argentina, experiences a notably high humidity level of 84%, setting the tone for the summer months ahead. As the year progresses into February and March, humidity rises further, peaking at 87% and 88%, respectively, creating a particularly muggy atmosphere. However, as autumn approaches in April, the humidity level dips to 85%. This trend of decline continues into the cooler months, with May recording a more comfortable 74% and June dropping to a refreshing 56%. The dry winter season peaks in August, where humidity falls to its lowest at 44%, offering a stark contrast to the sweltering summer peaks. The transition back to warmer weather in late September and October sees humidity levels gradually rising again, stabilizing at around 55% to 57% before the year closes out at 77% in December. This cyclical pattern illustrates a clear seasonal rhythm in Salta's climate, with humidity playing a significant role in defining the local weather experience throughout the year.
In January, Salta, Argentina experiences an extraordinarily high UV Index of 17, classified as extreme, with a dangerously short burn time of just 10 minutes. This level of UV intensity is consistent throughout the summer months, witnessing similar extremes in February and March with indices of 16 and 15, respectively, all maintaining the same brief exposure risk. As autumn approaches in April, the UV Index drops to 12, but remains within the extreme category, still necessitating swift sun protection measures. Moving into winter, there's a noticeable decrease, with indices falling to a very high range of 9 to 10 from May through August. As the year concludes, the UV Index climbs back to extreme levels in October and November, peaking again at 17 in December. This cyclical pattern highlights the need for vigilance against UV exposure year-round. For further details, visit Salta UV Index.
UV Risk Categories
In January, Salta, Argentina, welcomes the new year with 275 hours of sunshine, setting the stage for a sun-drenched summer. As the months progress, the radiant days only increase, peaking in October with an impressive 356 hours. This upward trend in sunlight hours continues through the spring, showcasing November and December as bright companions, with 354 and 352 hours, respectively. Even the cooler winter months, like August and September, offer a generous 329 and 328 hours of sunshine. Overall, Salta boasts a remarkable consistency of sun-soaked days, making it an inviting destination for anyone seeking warmth and outdoor adventure throughout the year.
In Salta, Argentina, January offers a 33% chance of sunny weather, making it one of the brighter months of the year, though not the sunniest. As the summer progresses into February and March, the likelihood of sunshine dips to 22% and 21%, respectively, signaling a trend towards more cloudy days. However, the weather starts to improve again by April with 27% sunshine, leading into a remarkable shift as May sees a jump to 53%. This upward trend continues, peaking in the winter months of July and August with a robust 73% and 86% chance of clear skies, before tapering off in the late spring and early summer months. Overall, if you're looking for the sun, planning a trip to Salta in mid-year might be your best bet!
In Salta, Argentina, January shines brightly with an impressive 13 hours of daylight, offering ample time to explore this vibrant region. As the year progresses into February and March, daylight gently recedes to 12 hours, balancing the warm summer days with cooler evenings. April ushers in a transition to autumn, bringing daylight down to 11 hours, while May through July maintain this rhythm with 10 hours, creating cozy, shorter days. However, as winter fades and spring approaches, daylight begins to increase again, with August and September witnessing a return to 11 hours. This trend of elongating days continues into October, reaching 12 hours before the year closes with November and December, both basking once again in 13 hours of sunlight. Overall, Salta’s daylight duration reflects a beautiful, cyclical pattern that highlights the transition through seasons while inviting explorers to make the most of each moment.
In Salta, Argentina, January brings gentle breezes with an average wind speed of 1.4 m/s (3 mph), a pattern that continues consistently into February and March. As the year progresses, slight fluctuations emerge, with the wind speed dipping to 1.3 m/s (3 mph) in April before leveling back to 1.4 m/s from May through July. Notably, August and September see a subtle uptick to 1.5 m/s, hinting at a shift in seasonal dynamics. The winds gain a bit more vigor as the year draws to a close, peaking at 1.7 m/s (4 mph) in October, followed by a decrease to 1.6 m/s (4 mph) in November, and settling back to 1.4 m/s in December. This rhythmic dance of wind speeds not only marks the seasons but also adds to the enchanting atmosphere of Salta throughout the year.
Weather in Salta varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Salta, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a mild temperature range with a minimum of 10°C (51°F), an average of 19°C (66°F), and a maximum of 29°C (85°F). This month experiences significant precipitation, totaling 241 mm (9.5 in), over 22 days, with a humidity level of 84%. In contrast, February sees a slight dip in average temperature to 17°C (64°F), but maintains a similar range with temperatures from 10°C (51°F) to a high of 28°C (83°F). Precipitation increases slightly to 267 mm (10.5 in) over 24 days, while humidity rises to 87%. For more detailed information on February's weather, you can visit Salta weather in February.
In January, the weather features milder temperatures, with a minimum of 10°C (51°F) and an average of 19°C (66°F), while the maximum reaches 29°C (85°F). The month experiences significant rainfall, totaling 241 mm (9.5 in) over 22 days, accompanied by a humidity level of 84%. In contrast, March sees cooler temperatures, with a minimum of 4°C (40°F) and an average of 16°C (61°F), but still reaches a maximum of 29°C (84°F). This month also brings more rainfall, accumulating 292 mm (11.5 in) over 24 days, resulting in slightly higher humidity at 88%. For a detailed overview, you can check Salta weather in March.
January and April present contrasting weather patterns, with January typically being warmer and more humid. In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), enjoying an average of 19°C (66°F) with significant precipitation of 241 mm (9.5 in) over 22 days and a humidity level of 84%. By contrast, April experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 26°C (79°F), averaging around 14°C (58°F). Although the precipitation is slightly lower at 223 mm (8.8 in) over the same number of days, the humidity remains relatively high at 85%. For a more detailed look at April weather specific to Salta, visit Salta weather in April.
In January, the weather is considerably warmer than in May, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F). The month experiences significant rainfall, averaging 241 mm (9.5 in) over 22 days, and high humidity at 84%. In contrast, May sees much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 26°C (78°F), along with reduced precipitation of 120 mm (4.7 in) across just 14 days, and lower humidity at 74%. For a more detailed understanding, check out Salta weather in May.
In comparing the weather between January and June, we see a significant shift in temperature and conditions. January boasts a warmer climate with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F) and an average of 19°C (66°F). During this month, precipitation is relatively high, totaling 241 mm (9.5 in) over 22 rainy days, accompanied by a high humidity level of 84%.
In contrast, June experiences much cooler weather, with minimum temperatures dipping to -4°C (25°F) and an average of 9°C (48°F), while the maximum reaches 26°C (79°F). Precipitation drops dramatically to 35 mm (1.4 in) over just 7 days, and humidity decreases to 56%. For more detailed insights into the weather conditions in June, please refer to Salta weather in June.
January and July present contrasting weather patterns in terms of temperature, precipitation, and humidity. In January, temperatures range from a mild 10°C (51°F) at night to a warm maximum of 29°C (85°F) during the day, accompanied by high humidity at 84% and significant rainfall of 241 mm (9.5 in) over 22 days. In stark contrast, July features much cooler conditions with temperatures dipping to a minimum of -4°C (25°F) and averaging around 9°C (48°F). During this month, rainfall is minimal, with only 34 mm (1.3 in) recorded over just 7 days, and humidity drops to a more comfortable 47%. This shift from summer to winter highlights the dramatic seasonal changes in the region, and you can find more details about the weather in July at Salta weather in July.
In January, the weather in Salta is typically warm, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F) and an average of 19°C (66°F). This month experiences significant precipitation, with 241 mm (9.5 in) of rain over 22 days, leading to high humidity levels of 84%. In contrast, August brings much cooler temperatures, with a minimum of -4°C (25°F), an average of 10°C (51°F), and a maximum of 30°C (86°F). This month enjoys significantly less precipitation, totaling just 41 mm (1.6 in) over only 6 days and a lower humidity level of 44%. For more details on August's weather, you can visit Salta weather in August.
January and September weather in Salta present a striking contrast. January boasts warmer temperatures, with a minimum of 10°C (51°F) and an average high reaching 29°C (85°F), while September sees a cooler minimum of -1°C (30°F) and an average of 13°C (56°F). Precipitation is significantly higher in January, totaling 241 mm (9.5 in) over 22 days, compared to September’s modest 55 mm (2.2 in) across just 8 days. Additionally, January experiences high humidity at 84%, while September has a much more comfortable 57%. For more detailed insights, check out Salta weather in September.
Comparing the weather in January and October reveals some significant differences. January is characterized by warmer temperatures, with a minimum of 10°C (51°F) and an average high of 29°C (85°F), making it one of the hottest months of the year. In contrast, October experiences cooler weather, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F) and an average of 15°C (60°F). Additionally, January sees more precipitation, averaging 241 mm (9.5 in) over 22 days, whereas October has lower rainfall of 137 mm (5.4 in) across 15 days. The humidity also differs significantly, with January's humidity at 84%, compared to October's 55%. For a detailed look at October weather in Salta, you can visit Salta weather in October.
In comparing the weather of January and November, January typically experiences warmer temperatures with a minimum of 10°C (51°F) and an average of 19°C (66°F), peaking at 29°C (85°F). In contrast, November's temperatures are slightly cooler, with a minimum of 7°C (45°F) and an average of 17°C (63°F), although it still reaches the same maximum of 29°C (85°F). Precipitation is higher in January, with 241 mm (9.5 in) over 22 days, compared to November's 210 mm (8.2 in) over 18 days. Additionally, January tends to be more humid, at 84%, while November has a relative humidity of 70%. For more details, you can check Salta weather in November.
In January, the weather remains warm with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), averaging around 19°C (66°F). The month experiences significant precipitation, totaling 241 mm (9.5 in) over 22 days, accompanied by high humidity levels reaching 84%. In contrast, December sees slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 28°C (83°F), averaging 18°C (64°F). This month has even higher precipitation, amounting to 278 mm (10.9 in) over the same number of rainy days, though with somewhat lower humidity at 77%. For more details on December weather in Salta, visit Salta weather in December.
As January unfolds in Salta, expect a vibrant shift in weather compared to other months. With warm temperatures reaching a maximum of 29°C, the atmosphere is alive but accompanied by a notable high humidity of 84%. This month sees a significant increase in precipitation, with frequent showers making it wetter than the rest of the year—reflective of the local summer climate. The combination of warm days and occasional rain creates a lush landscape, enhancing the region's natural beauty. To delve deeper into the overall weather patterns of this enchanting destination, visit Salta Climate.