Last updated: August 21, 2025
In Puerto Montt, Chile, August graces the region with a mildly cool climate, characterized by a maximum temperature reaching a comfortable 15°C (59°F) and an average hovering around 8°C (46°F). As winter lingers, temperatures can dip to a brisk 0°C (33°F). Rainfall is abundant, with a substantial 295 mm (11.6 in) recorded over this month, resulting in approximately 22 days of precipitation, which adds to the area's renowned lushness. Coupled with high humidity levels at 87%, August in Puerto Montt creates a unique atmosphere, perfect for cozy indoor activities or embracing the beauty of the rain-soaked landscapes.
In August, Puerto Montt experiences chilly temperatures as winter lingers, with a minimum dipping to 0°C (33°F) and an average hovering around 8°C (46°F). While the daily maximum reaches a modest 15°C (59°F), inviting moments of respite from the cold, the overall climate remains noticeably cooler than the vibrant summer months. This pattern reflects a gradual trend toward migrating temperatures, as seen in the preceding months, where the mercury hangs consistently in the lower ranges. As August culminates, locals and visitors alike begin to sense the subtle shift toward early spring, anticipating the warmer days to follow.
In August, Puerto Montt experiences a significant surge in precipitation, with 295 mm (11.6 in) of rain falling over 22 days. This marks a continuation of the trend seen throughout the winter months, where heavy rainfall is common, peaking in June with 337 mm (13.3 in). As winter transitions to spring, August's wet conditions contribute to the overall rainy season in the region, which sees an increase in precipitation from the lighter, summer months of January and February, where averages are just 82 mm (3.2 in) and 70 mm (2.7 in), respectively. With the persistent rains, locals and visitors alike are reminded of Puerto Montt's lush, vibrant landscapes, a hallmark of its maritime climate that shapes the natural beauty of this southern Chilean city.
In August, Puerto Montt experiences high humidity, reaching 87%, consistent with the trend observed in the preceding months. This level of humidity marks a continuation of the region's damp climate, peaking in July and August before gradually tapering off in the following months. As the year progresses from summer into the rainy season, humidity levels generally rise, with May and June also recording high figures of 86%. While there is a slight decrease in humidity seen in September at 85%, the overall pattern displays a tendency for moisture to linger in the air, significantly shaping Puerto Montt's characteristic wet and cool ambiance throughout the winter months.
In August, Puerto Montt experiences a moderate UV Index of 4, which allows for a comfortable outdoor experience but still necessitates some sun protection. With a burn time of 30 minutes, it’s a reminder that even as winter wanes in the Southern Hemisphere, UV exposure remains a consideration. This month follows a trend of decreasing UV Index values from the extreme highs of January and February, which saw indices of 14 and 12, respectively. Conversely, as we move into September, the UV Index will increase again to 6, returning to a high exposure category. Understanding these trends is crucial for both residents and visitors; for comprehensive sunlight safety tips, visit Puerto Montt UV Index.
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In August, Puerto Montt enjoys a modest yet pleasant 186 hours of sunshine, marking a slight uptick from the shadowy depths of winter. This gradual increase is part of a broader trend as the region emerges from the cooler months, paving the way for sunnier days ahead. Following the most subdued periods in June and July, August's warmth hints at the onset of spring, which further brightens the horizon as the daylight hours steadily climb into the following months. With the promise of September's 237 hours and October's 266, the gradual shift toward longer, sun-filled days not only invigorates the landscape but also invites residents and travelers alike to bask in the blossoming vibrancy of this coastal gem.
When considering the likelihood of sunny weather in August in Puerto Montt, Chile, it's clear that this month falls into a generally overcast period. With a mere 19% chance of sunshine, August reflects the declining trend of solar exposure that begins in early winter, characterized by less light and more clouds. This starkly contrasts with the sunnier months of January and February, which enjoy probabilities of 54% and 63%, respectively. As the seasons transition toward spring, there is a gradual increase in sunny days starting in September, when the likelihood rises to 32%. Thus, August stands out as one of the less cheerful months in terms of weather, ideal for cozy indoor activities rather than sun-soaked adventures.
In August, Puerto Montt, Chile, experiences a notable transition in daylight, with around 10 hours of sunlight. Following the shorter days of winter, this month marks a slight increase in daylight that foreshadows the longer days ahead. As the winter months of June and July feature only 9 hours of sunlight, August signals the beginning of a gradual shift toward spring, where daylight extends to 11 hours by September and continues to increase through the rest of the year. This evolving pattern not only highlights the seasonal changes in the region but also enhances the vibrant outdoor activities waiting to be embraced as spring approaches.
In August, Puerto Montt experiences a noticeable uptick in wind speeds, averaging 4.2 m/s (9 mph), the highest for the year. This slight increase from the previous months marks a shift in the summer breeze, hinting at the onset of autumn. June and July also show robust winds at 3.9 m/s (9 mph) and 3.5 m/s (8 mph) respectively, but August stands out as a transitional period where the winds begin to stir with a bit more energy. This consistent pattern of gentle to moderate winds throughout the year creates a rich tapestry of climatic conditions, making Puerto Montt a dynamic destination for both visitors and locals to enjoy the crisp, invigorating air.
Weather in Puerto Montt varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Puerto Montt, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of August and January, we see distinct differences in temperature and precipitation. August features much cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (46°F), while January offers milder conditions, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 25°C (77°F). Additionally, August is characterized by significantly higher precipitation, receiving 295 mm (11.6 in) over 22 days, compared to January’s 82 mm (3.2 in) over just 10 days. Humidity levels are also noteworthy; August has an average of 87%, while January sees a slightly lower humidity of 81%. For a detailed look at January's climate, you can visit Puerto Montt weather in January.
August and February present contrasting weather patterns. In August, temperatures are notably cooler, with a range from a chilly 0°C (33°F) to a maximum of 15°C (59°F), averaging around 8°C (46°F). This month also sees significant rainfall, with precipitation totaling 295 mm (11.6 in) over 22 days, contributing to a high humidity level of 87%. In contrast, February boasts much warmer conditions, with temperatures ranging from a mild 7°C (44°F) to a sweltering 32°C (90°F), averaging 15°C (59°F). Rainfall is considerably less, totaling only 70 mm (2.7 in) over just 7 days, with humidity at a lower 80%. For more details on February's climate in Puerto Montt, you can visit Puerto Montt weather in February.
In August, Puerto Montt experiences cooler temperatures with a minimum of 0°C (33°F) and an average of 8°C (46°F), peaking at a maximum of 15°C (59°F). This month is notably wetter, receiving 295 mm (11.6 in) of precipitation over 22 days, coupled with high humidity at 87%. In contrast, March brings milder weather, characterized by minimum temperatures of 5°C (42°F) and an average of 13°C (56°F), reaching up to 25°C (76°F) at its warmest. Precipitation decreases significantly to 128 mm (5.0 in) spread over 12 days, with slightly lower humidity at 79%. For more detailed information, you can refer to the Puerto Montt weather in March.
When comparing the weather in August and April, notable differences emerge. August tends to be cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 15°C (59°F), while April enjoys milder conditions, featuring temperatures from a minimum of 2°C (36°F) up to 21°C (70°F). Precipitation is significantly higher in August, with 295 mm (11.6 in) spread over 22 days, compared to April's 181 mm (7.1 in) over just 14 days. Additionally, humidity levels remain relatively high in both months, though August is slightly more humid at 87% compared to April's 84%. For more detailed information, you can check Puerto Montt weather in April.
In comparing the weather of August and May, we see notable differences in temperature and precipitation patterns. August experiences slightly cooler temperatures, with an average of 8°C (46°F) compared to May’s warmer average of 10°C (50°F), while the maximum temperature in May reaches 19°C (67°F), making it the warmer month overall. Both months are characterized by high humidity, with August at 87% and May slightly lower at 86%. Precipitation levels are similar, as August receives 295 mm (11.6 in) over 22 days, while May has 278 mm (11.0 in) of rain across 19 days. For more detailed information, you can check Puerto Montt weather in May.
When comparing the weather in August and June, both months exhibit similar temperature ranges, with minimum temperatures around 0°C (33°F), average temperatures of 8°C (46°F), and maximums reaching 15°C (59°F). However, June experiences slightly higher precipitation, totaling 337 mm (13.3 in) compared to August's 295 mm (11.6 in), despite both months having rainfall on approximately 22 days. Humidity levels are also very comparable, with August at 87% and June at 86%. For a more detailed look at June weather, you can visit Puerto Montt weather in June.
In comparing the weather of August and July, we see that both months experience similar temperatures, with August having slightly higher averages, reaching a maximum of 15°C (59°F), compared to July's 14°C (57°F). While both months have a minimum temperature of 0°C (33°F), August typically enjoys a marginally warmer average of 8°C (46°F) versus July's 7°C (46°F). However, August is notably wetter, with a precipitation total of 295 mm (11.6 in) over 22 days, compared to July's 240 mm (9.4 in) over 20 days. Despite these differences, both months maintain a consistent humidity level of 87%. For a closer look at the conditions in July, you can check Puerto Montt weather in July.
When comparing the weather in August and September, it's notable that September generally experiences milder temperatures, with minimums rising from 0°C (33°F) in August to 2°C (35°F) and average temperatures increasing from 8°C (46°F) to 9°C (48°F). The maximum temperatures also see a notable rise, peaking at 19°C (66°F) in September compared to August's maximum of 15°C (59°F). Precipitation decreases significantly from 295 mm (11.6 in) over 22 days in August to 173 mm (6.8 in) over 17 days in September, contributing to a slightly lower humidity level of 85% in September compared to 87% in August. For more detailed insights on September weather, you can check Puerto Montt weather in September.
August and October present a noticeable contrast in weather patterns. In August, temperatures are cooler, with a minimum of 0°C (33°F) and a maximum of just 15°C (59°F), while October enjoys slightly milder conditions, ranging from a minimum of 2°C (36°F) to a maximum of 19°C (66°F). Precipitation is significantly higher in August, totaling 295 mm (11.6 in) over 22 days, compared to October, which experiences 191 mm (7.5 in) across 19 days. Additionally, humidity levels are slightly higher in August at 87% compared to 83% in October. For a detailed look at October weather in Puerto Montt, check out Puerto Montt weather in October.
In comparing the weather of August and November, it is clear that November tends to be milder and less wet. August experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (46°F), while November boasts a milder minimum of 3°C (38°F) and a warmer average of 12°C (54°F). Additionally, November has a maximum temperature that can reach up to 22°C (72°F), significantly higher than August's peak of 15°C (59°F). Precipitation also decreases from 295 mm (11.6 in) over 22 days in August to 156 mm (6.2 in) over just 15 days in November, contributing to lower humidity levels in the latter month (80% compared to 87% in August). For more details, you can check Puerto Montt weather in November.
In August, the weather in Puerto Montt is typically much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 15°C (59°F) and an average of 8°C (46°F). The month is characterized by high humidity at 87% and significant rainfall of 295 mm (11.6 inches) over 22 days, making it one of the wettest months of the year. In contrast, December brings warmer temperatures, with a minimum of 6°C (44°F) and a maximum of 23°C (73°F), averaging around 14°C (57°F). This month features significantly less precipitation at 121 mm (4.8 inches) over just 12 days, and a slightly lower humidity of 82%. For more detailed information, you can check Puerto Montt weather in December.
August in Puerto Montt is characterized by cool temperatures and high humidity, making it a distinct month compared to the typically milder summer season. With a maximum of 15°C and an average temperature of 8°C, the weather is noticeably chillier, especially as the winter season persists. The month sees significant rainfall, with 22 days of precipitation contributing to an overall total of 295 mm, creating a lush and vibrant landscape. Travelers should be prepared for the abundance of moisture that August brings, as the region’s stunning natural beauty shines even in cooler, wetter conditions. For more details on weather patterns throughout the year, explore the full Puerto Montt Climate guide.