Last updated: August 21, 2025
August in Santiago, Chile presents a varied climate, with maximum temperatures reaching 26°C (79°F) and an average temperature of 11°C (51°F). As winter transitions to spring, the nights can dip as low as -2°C (29°F), highlighting the city's temperature fluctuations. Rain is a common companion this month, with a total precipitation of 56 mm (2.2 in) spread across 7 days, resulting in a humidity level of 73% that can make the air feel quite crisp. Residents and visitors alike can expect a blend of cool, refreshing days and occasional rain showers, perfect for enjoying the urban outdoors wrapped in cozy layers.
In August, Santiago, Chile, experiences a transition into spring, marked by cooler temperatures that characterize the winter months. The month sees a slight drop in the minimum temperature, averaging around -2°C (29°F), while daily highs reach a comfortable 26°C (79°F), making it one of the milder winter months. With an average temperature of 11°C (51°F), August serves as a bridge between the colder, frostier days of July and the warmer embrace of spring that follows in September. This gradual warming trend is evident as Santiago begins to shake off the winter chill, inviting locals and visitors alike to enjoy the city's vibrant outdoor life as the sun starts to linger longer in the sky.
In August, Santiago, Chile, experiences a notable precipitation level, with a total of 56 mm (2.2 in) recorded over 7 days. This marks a slight decrease from the previous month but reflects the city's typical winter pattern, where rain is a common occurrence. Following the heavier rains of June and July, August continues to provide a pivotal transition as it sets the stage for spring, with decreasing rainfall as the year progresses. Overall, while August sees a fair share of precipitation, it remains much drier compared to the peak rainy months earlier in the year, highlighting a gradual shift toward the drier months ahead.
In Santiago, Chile, August marks a transition where humidity begins to taper off after the peak of winter. With an average humidity of 73%, it remains relatively high compared to the drier months of the year, particularly January and February, both at 41%. As the city shifts towards spring, humidity levels gradually decline, reflecting a notable increase from the cooler months leading up to August. The trend shows a steady rise from 41% in summer to a peak of 75% in July, before falling to 56% in September. This cyclical pattern highlights Santiago's distinct seasonal humidity variations, creating a unique atmospheric experience for residents and visitors alike.
In August, Santiago, Chile experiences a UV Index of 6, categorizing exposure as high with a burn time of 25 minutes. This marks a noticeable shift from the intensely high levels seen in the peak summer months, where the index soared to 14 in January. Following the trend of decreasing UV exposure through the winter months, August finds a balance, allowing for safer outdoor activities while still warranting sun protection. As the UV Index continues to rise in the coming months, notably reaching 8 in September, the gradual transition underscores the importance of remaining vigilant about sun safety. For more detailed insights, visit Santiago UV Index.
UV Risk Categories
As August rolls into Santiago, Chile, the city basks in a refreshing 273 hours of sunshine, marking a notable transition from the winter months. Following the cooler, cloudier days of June and July, August begins to hint at the approaching spring, with daylight hours increasing steadily. This gradual rise signals a robust transition towards sunnier months, as sunlight accumulates, paving the way for September's 307 hours and October's 350 hours. The trend showcases not just a return to warmth, but also the vibrant energy that fills the city as residents and visitors alike embrace the delightful outdoor activities that come with the promise of longer, sunnier days.
In Santiago, Chile, the likelihood of sunny weather experiences a notable shift as summer transitions into winter and approaches spring. August, with a 48% chance of sunshine, marks a low point in the yearly cycle, contrasting sharply with the radiant days of January and November, which boast probabilities of 84% and 85%, respectively. As winter takes hold, the chances of cloud coverage increase, bringing cooler temperatures and more frequent rain. However, a positive trend emerges in September, when the sun starts to reclaim its dominance, rising to a 65% likelihood and heralding the arrival of spring. This seasonal dance illustrates Santiago's dynamic climate, reminding us that even in the heart of winter, sunny days are just around the corner.
As winter fades in Santiago, Chile, August marks a significant transition in daylight duration, with the city enjoying 10 hours of sunshine each day. This month showcases a steady balance, echoing the sunlight experienced in July, before the gradual climb begins again in September, where daylight increases to 11 hours. The trend throughout the year reveals a rhythmic ebb and flow, where summer months bask in up to 14 hours of light, while winter months dip down to a minimum of 9 hours. As we move through August, the anticipation of longer days ahead becomes palpable, setting the stage for the vibrant spring ahead.
In August, the winds in Santiago, Chile remain gentle, with an average speed of 1.5 m/s (3 mph). This consistent breeze marks a stable midpoint within the year's wind pattern, as the city transitions from the cooler winter months into the spring. Notably, August's wind speed mirrors the fleeting gusts of July and June, highlighting a serene transition before the winds pick up slightly in September. The trend throughout the year shows a gradual increase in wind speed from the serene depths of winter, with the year’s highest recorded gusts occurring in December. Thus, August serves as a tranquil precursor to the livelier autumn winds that follow, embodying a unique calm in Santiago's atmospheric rhythm.
Weather in Santiago varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santiago, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather patterns. In August, temperatures range from a chilly min of -2°C (29°F) to a max of 26°C (79°F), with an average of 11°C (51°F). This month experiences about 56 mm (2.2 in) of precipitation over 7 days, coupled with a high humidity level of 73%. In contrast, January boasts much warmer temperatures, with lows of 11°C (52°F) and highs reaching up to 36°C (97°F), averaging 22°C (72°F). This summer month is notably dry, receiving only 7 mm (0.3 in) of precipitation with no rainy days and a lower humidity of 41%. For a detailed look at January weather, check out Santiago weather in January.
In comparing the weather between August and February, we see a marked contrast in temperatures and precipitation. August experiences cooler temperatures, with a range from a minimum of -2°C (29°F) to a maximum of 26°C (79°F), and has relatively high humidity at 73%. The month also sees an average of 11°C (51°F) and about 56 mm (2.2 in) of precipitation over 7 days. In stark contrast, February boasts much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a scorching maximum of 34°C (94°F) and an average of 21°C (71°F). This month is significantly drier, with only 6 mm (0.2 in) of precipitation and no rainy days, combined with lower humidity at 41%. For more detailed insights, check out Santiago weather in February.
The weather in August features a much cooler temperature range with a minimum of -2°C (29°F) and an average of 11°C (51°F), peaking at 26°C (79°F), compared to the warmer conditions in March, where temperatures begin at 6°C (43°F), average 20°C (68°F), and can reach as high as 34°C (93°F). Additionally, August experiences significantly more precipitation at 56 mm (2.2 in) over about 7 days, while March sees only 4 mm (0.2 in) of rain on just one day, indicating a drier month. The humidity is also higher in August at 73%, contrasting with March’s lower humidity of 46%. For more detailed information, you can check Santiago weather in March.
In comparing the weather between August and April, there are significant differences in temperature and precipitation. August typically sees cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (79°F), while April experiences warmer conditions, reaching a minimum of 3°C (38°F) and peaking at 32°C (91°F). Additionally, April enjoys lower precipitation levels, averaging just 12 mm (0.5 in) over 2 days compared to August's 56 mm (2.2 in) over 7 days. Furthermore, humidity is noticeably higher in August at 73% versus April's 52%. For more detailed information, you can visit Santiago weather in April.
When comparing the weather in August and May, notable differences emerge. In August, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 26°C (79°F), with an average of 11°C (51°F). Conversely, May showcases slightly warmer temperatures, with lows of 0°C (32°F), an average of 13°C (56°F), and highs reaching 28°C (83°F). Precipitation levels are quite similar, with August receiving 56 mm (2.2 in) over 7 days and May recording 49 mm (1.9 in) over 5 days. Additionally, humidity is higher in August at 73%, compared to May’s 64%, making the latter feel less muggy overall. For a deeper understanding of May’s weather in Santiago, you can check out this link: Santiago weather in May.
When comparing the weather in August and June, there are noticeable differences in both temperature and precipitation. August typically sees slightly warmer temperatures, with an average of 11°C (51°F) compared to June's average of 9°C (49°F). Additionally, August can reach a maximum of 26°C (79°F), which is a bit higher than June's maximum of 23°C (73°F). However, June tends to have more precipitation, with 99 mm (3.9 in) over 8 days, compared to August's 56 mm (2.2 in) over 7 days. Humidity is quite similar in both months, hovering around 73% in August and 71% in June. For a more detailed look at June weather, you can visit Santiago weather in June.
In comparing the weather between July and August, we see that August generally enjoys slightly warmer temperatures, with an average of 11°C (51°F) compared to July's 9°C (49°F). The maximum temperatures also rise, reaching 26°C (79°F) in August versus July's 24°C (75°F). However, August experiences a bit more precipitation, totaling 56 mm (2.2 in) over 7 days, while July has 62 mm (2.4 in) across just 5 days. Humidity levels are comparable, with August at 73% and July at 75%. For more detailed information on July's weather, you can visit Santiago weather in July.
August and September in Santiago showcase a transition in weather patterns. August experiences cooler temperatures, with an average of 11°C (51°F) and highs reaching 26°C (79°F), accompanied by a relatively high humidity of 73%. In contrast, September sees a warm up, with average temperatures rising to 13°C (56°F) and max temperatures soaring to 31°C (88°F). Additionally, September brings lower precipitation at 41 mm (1.6 in) over 8 days, compared to August’s 56 mm (2.2 in) over 7 days, and a decrease in humidity to 56%. For more detailed insights on September weather, you can check this link: Santiago weather in September.
August typically experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 11°C (51°F), peaking at a maximum of 26°C (79°F). The month sees about 56 mm (2.2 in) of precipitation over seven days, accompanied by high humidity levels at 73%. In contrast, October brings milder weather, with a minimum temperature of 3°C (37°F), an average of 15°C (60°F), and a maximum reaching 32°C (90°F). Precipitation decreases to 36 mm (1.4 in) over just five days, and humidity drops to a more comfortable 61%. For more details on the weather in October, you can check Santiago weather in October.
August and November present notable contrasts in weather conditions. In August, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 26°C (79°F), with an average of 11°C (51°F). The month experiences relatively high humidity at 73% and receives 56 mm (2.2 in) of precipitation over about seven days, making it a wetter month. In contrast, November sees warmer temperatures, with a minimum of 6°C (44°F) and a maximum of 34°C (93°F), and an average temperature of 19°C (66°F). Precipitation drops significantly to only 8 mm (0.3 in) over just two days, with humidity at a lower 52%. For a more detailed look at November's weather, refer to Santiago weather in November.
August and December present contrasting weather conditions. In August, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (79°F), with an average temperature of 11°C (51°F). The month typically sees 56 mm (2.2 in) of precipitation over about 7 days, contributing to a high humidity level of 73%. In stark contrast, December boasts much warmer temperatures, with a minimum of 10°C (50°F) and a maximum soaring to 35°C (96°F), averaging around 21°C (70°F). Remarkably, December experiences minimal precipitation, with only 3 mm (0.1 in) across no rainy days and significantly lower humidity at 39%. For more information, check out Santiago weather in December.
As August descends upon Santiago, the weather presents a distinct shift from the warmer summer months, embracing cooler temperatures and increased humidity. With averages dipping to a brisk 11°C (51°F), this month is a precursor to the gradual transition into spring. Rainfall becomes more frequent, with about 56 mm (2.2 in) spread across several days, refreshing the city and nourishing the landscape. The combination of lower temperatures and heightened 73% humidity creates a notable contrast to the dry heat of the preceding months, making August a significant time for both locals and visitors to experience Santiago's unique climate. For more information, explore Santiago Climate.