Last updated: August 21, 2025
Santiago, Chile, in January experiences a warm summer climate characterized by a maximum temperature reaching up to 36°C (97°F), with an average of 22°C (72°F) and a pleasant minimum of 11°C (52°F). This month shines with negligible precipitation, receiving only 7 mm (0.3 in) over the course of 0 rainy days, promoting outdoor adventures. On average, humidity hovers at a comfortable 41%, making it an ideal time for visitors to explore the dynamic city and its stunning landscapes.
In January, Santiago, Chile, basks in the summer sun, with temperatures ranging from a comfortable 11°C (52°F) at night to a sizzling 36°C (97°F) during the day, culminating in an average of 22°C (72°F). This month marks the peak of summer, where the warmth encourages outdoor activities and lively street markets. As February arrives, temperatures slightly dip, yet the weather remains inviting, with lows of 10°C (50°F) and daytime highs of 34°C (94°F), maintaining a delightful average of 21°C (71°F). Transitioning into March, the city begins to cool further, leading into autumn; hence, the temperature spectrum narrows, with a minimum of 6°C (43°F) and a maximum of 34°C (93°F), averaging 20°C (68°F). This gradual decline sets the stage for cooler months ahead, highlighting the dynamic climate of Santiago and the beauty of its seasonal shifts.
January in Santiago, Chile, showcases a striking lack of precipitation, receiving merely 7 mm (0.3 in) over the month, yet interestingly, there are no rainy days to speak of. This dry spell is representative of the city's characteristic summer climate, where the sun reigns supreme, and rain is a rare occurrence. As the calendar turns to February and March, precipitation slightly decreases to 6 mm (0.2 in) and 4 mm (0.2 in), respectively, maintaining the dry trend with no significant rainfall disrupting the sunny ambience. This pattern shifts dramatically from April onward, where precipitation begins to pick up, heralding the arrival of more noticeable rain in subsequent months. Thus, January stands out as an emblem of Santiago's dry summer, setting the stage for the wetter months to follow.
In January, Santiago, Chile experiences a relatively low humidity level of 41%, setting the tone for a warm, dry summer month. This figure remains consistent into February, but as autumn approaches, humidity begins to rise steadily. By March, it reaches 46%, and transitions into the cooler months show a marked increase, with April climbing to 52% and May surging to 64%. The trend continues into winter, peaking at 75% in July, providing a stark contrast to the drier summer months. As the year progresses towards spring, humidity gradually decreases, tapering off to 39% by December. This cyclical pattern highlights Santiago's transition from its arid summer to the more humid winter, ultimately settling into a refreshing spring.
In January, the UV Index in Santiago, Chile, soars to an extreme level of 14, indicating a critical need for sun protection, as just 10 minutes of unprotected exposure can result in a burn. This trend of high UV levels continues into February and March, where the UV Index remains at 12 and 11 respectively, underscoring the importance of vigilance against UV radiation during the summer months. As the seasons shift to April, the Index drops to 7, yet still falls within the high exposure category—allowing for a more forgiving 25 minutes before burning occurs. The UV levels gradually decline further through the autumn and winter months, with values ranging from 3 to 8, offering slightly longer safe exposure times. However, as the year cycles back to October and November, the UV Index spikes once again to 12 and 14, prompting a renewed focus on sun safety strategies. For a more comprehensive understanding of living with UV exposure in Santiago, visit Santiago UV Index.
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In January, Santiago, Chile basks in an impressive 326 hours of sunshine, setting the tone for a summer that continues to shine brighter in February with 350 hours. As the months progress, the sun's reign peaks in March at 362 hours, catering to those seeking leisurely days and vibrant outdoor experiences. However, the luminosity begins to wane in April and continues through the cooler months, reaching a low of 210 hours in June. As winter recedes, light gradually returns, culminating in a splendid 409 hours in December, setting the stage for another sunlit January. This yearly rhythm underscores Santiago’s dynamic climate, where sun-seekers can always look forward to an abundance of warm rays.
In January, Santiago, Chile enjoys a delightful 84% chance of sunny weather, making it one of the sunniest months of the year. This trend of abundant sunshine carries into February with an 82% likelihood, before gradually declining through the subsequent months. The peak of sunny days occurs in December at 89%, while the chances decrease to a more moderate 54% by May. Interestingly, a notable bounce back can be seen in July and October, where conditions improve to 70% and 79%, respectively. Overall, January stands out as a vibrant time to enjoy the sun, setting the tone for a bright summer in the heart of Chile.
In Santiago, Chile, the daylight duration experiences a captivating ebb and flow throughout the year. January stands out with a generous 14 hours of daylight, perfect for outdoor adventures and soaking up the sun. As the month transitions into February, daylight begins to wane slightly to 13 hours, signaling the approach of autumn. This gradual decline continues through the fall months, hitting a low of 9 hours in June during the winter. However, as winter gives way to spring, daylight hours gradually extend again, culminating in another 14-hour peak by December. This rhythmic pattern not only highlights Santiago's delightful seasonal shifts but also invites residents and visitors alike to enjoy its vibrant outdoor culture year-round.
In January, Santiago, Chile experiences an average wind speed of 1.9 m/s (4 mph), marking it as one of the breezier months of the year. This gentle wind lingers into February and March, maintaining a steady pace at 1.7 m/s (4 mph). As the seasons transition into autumn, winds gradually soften, reaching their lowest speeds of 1.4 m/s (3 mph) by May. Interestingly, the wind picks up slightly again in late spring and early summer, particularly noted in December with an average of 2.0 m/s (5 mph). Overall, the trend suggests that Santiago's winds are mild, but they do show a subtle increase during the warmer months, creating a pleasant, refreshing atmosphere for both residents and visitors alike.
Weather in Santiago varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santiago, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Santiago typically range from a minimum of 11°C (52°F) to a maximum of 36°C (97°F), with an average temperature of 22°C (72°F). The month sees very little precipitation, with only 7 mm (0.3 in) recorded over zero rainy days, while humidity remains constant at 41%. In comparison, February experiences slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 34°C (94°F), resulting in an average of 21°C (71°F). Precipitation is even lower at 6 mm (0.2 in) and still no rainy days, maintaining the same humidity level of 41%. For more detailed information about February weather in Santiago, you can visit Santiago weather in February.
In January, temperatures in Santiago range from a minimum of 11°C (52°F) to a maximum of 36°C (97°F), with an average temperature of 22°C (72°F). The month boasts low precipitation, with only 7 mm (0.3 in) and no rainy days, contributing to a humidity level of 41%. In contrast, March experiences a slightly cooler climate, with minimum temperatures dipping to 6°C (43°F) and maximums reaching 34°C (93°F), averaging 20°C (68°F). Precipitation is also minimal in March, with only 4 mm (0.2 in) and one day of rain, leading to a marginally higher humidity of 46%. For a more detailed look at conditions, you can check Santiago weather in March.
In January, the weather is typically warm, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (97°F) and a comfortable average of 22°C (72°F). The month sees very little precipitation, measuring only 7 mm (0.3 in) across the entire month, resulting in low humidity levels of 41%. In contrast, April experiences cooler temperatures, with a minimum of 3°C (38°F), an average of 16°C (62°F), and a maximum of 32°C (91°F). This month also has slightly more rain, accumulating 12 mm (0.5 in) over two days, contributing to a higher humidity of 52%. For more detailed weather information, check out Santiago weather in April.
In January, the weather is characterized by warm temperatures, with minimums around 11°C (52°F) and maximums reaching up to 36°C (97°F), providing an average of 22°C (72°F). The month is relatively dry, with no recorded precipitation and a low humidity level of 41%. In contrast, May experiences much cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 28°C (83°F), averaging at 13°C (56°F). This month also sees a significant increase in precipitation, totaling 49 mm (1.9 in) over five days, and a notable rise in humidity to 64%. For more details, check out Santiago weather in May.
In January, the weather in Santiago experiences warm temperatures, with a minimum of 11°C (52°F) and an average high reaching 36°C (97°F). It is also characterized by low humidity at 41% and virtually no precipitation, making it a dry month overall. In stark contrast, June brings much cooler conditions, with temperatures ranging from a chilly -3°C (26°F) at night to a maximum of 23°C (73°F) during the day. The month is significantly wetter, receiving 99 mm (3.9 in) of precipitation over approximately 8 rainy days, and the humidity rises to 71%. For more detailed information, you can check Santiago weather in June.
In January, the weather is warm and dry, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (97°F) and an average of 22°C (72°F). With almost no precipitation and humidity at 41%, January presents ideal conditions for outdoor activities. In stark contrast, July experiences much cooler temperatures, with a minimum of -3°C (26°F), an average of 9°C (49°F), and a maximum of 24°C (75°F). This month is also more humid, with 75% humidity and significant precipitation of 62 mm (2.4 in) over five days. For those curious about Santiago's winter climate, more details can be found here: Santiago weather in July.
In January, the weather in Santiago is warm and dry, with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 36°C (97°F), accompanied by low humidity at 41% and negligible precipitation. In stark contrast, August brings a decidedly cooler climate, where temperatures dip to a minimum of -2°C (29°F) and peak at 26°C (79°F), along with significant rainfall of 56 mm (2.2 in) over an average of 7 days and increased humidity at 73%. For more details, check Santiago weather in August.
In January, Santiago experiences warm temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (97°F), with an average of 22°C (72°F). The weather is relatively dry, with only 7 mm (0.3 in) of precipitation over no rainy days and a humidity level of 41%. In contrast, September brings a notable drop in temperatures, with a minimum of -2°C (30°F) and a maximum of 31°C (88°F), averaging 13°C (56°F). This month is considerably wetter, receiving 41 mm (1.6 in) of rain over 8 days, and features higher humidity at 56%. For more detailed information, you can check Santiago weather in September.
January and October present contrasting weather conditions. In January, temperatures range from a mild 11°C (52°F) to a scorching 36°C (97°F), with low humidity at 41% and virtually no rainfall, making it a dry month. In stark contrast, October experiences much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 32°C (90°F). Additionally, October sees a notable increase in precipitation, totaling 36 mm (1.4 in) over five days, and higher humidity at 61%. For more detailed information, you can visit Santiago weather in October.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (97°F) and an average temperature of 22°C (72°F). The month sees virtually no precipitation, contributing to a lower humidity level of 41%. In comparison, November experiences cooler conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 34°C (93°F) and a slightly lower average of 19°C (66°F). November also has some precipitation over 2 days, totaling 8 mm (0.3 in), which results in a higher humidity level of 52%. For more detailed information, you can check Santiago weather in November.
In January, the weather tends to be slightly warmer than in December, with average temperatures reaching 22°C (72°F) and highs up to 36°C (97°F), compared to December's average of 21°C (70°F) and maximum of 35°C (96°F). Both months experience minimal precipitation, with January recording 7 mm (0.3 in) and December only 3 mm (0.1 in), and neither month seeing any rainy days. Humidity levels also remain fairly low, with January at 41% and December slightly lower at 39%. For more detailed information, you can explore Santiago weather in December.
January in Santiago is characterized by warm, dry conditions, significantly differing from the cooler, wetter months of the year. With average temperatures around 22°C (72°F) and peaks reaching a sweltering 36°C (97°F), it's no surprise that residents and visitors alike relish in the sun-soaked days. The stark absence of rain—0 days of precipitation and just 7 mm recorded—further enhances the summer feel, making January an ideal time for outdoor activities. The low humidity at 41% adds to the comfort, giving you the perfect excuse to explore this vibrant city. For a deeper understanding of how January fits into the broader climate patterns, check out Santiago Climate.