Last updated: August 21, 2025
In August, Valparaiso, Chile, experiences mild temperatures with a maximum of 14°C (58°F) and an average of 12°C (53°F), dipping to a minimum of 8°C (47°F) during the cooler nights. This month sees light precipitation, totaling 41 mm (1.6 in) over approximately 4 days, which contributes to the city's lush coastal landscapes. With an average humidity level of 73%, visitors can expect a refreshing, though somewhat damp, atmosphere, making August a unique time to explore the picturesque charm of Valparaiso.
In August, Valparaíso, Chile, experiences its coldest temperatures of the year, with average daytime highs reaching only 14°C (58°F). Nighttime lows can dip to 8°C (47°F), keeping the air crisp and invigorating. The month maintains an average temperature of 12°C (53°F), signaling a gradual transition toward spring. Unlike the warmer summer months preceding it, where temperatures often soar to the upper teens, August offers a chillier climate and hints at the upcoming seasonal shift. As the cold sets in, it's a perfect time to enjoy cozy indoor spaces or embrace the refreshing coastal winds with a warm jacket.
In August, Valparaiso experiences a notable decline in precipitation compared to the preceding months, with 41 mm (1.6 in) of rain measured over just four days. This marks a shift from the heavy rainfall seen in June, which recorded 116 mm (4.6 in) across eight days, and May’s substantial 50 mm (2.0 in) over three days. As winter wanes, this reduction signals a gradual transition towards the drier months that follow, with September and October both showing significantly lower precipitation levels. Overall, August stands out as a month where Valparaiso's rainfall begins to taper off, paving the way for the spring ahead.
In August, Valparaiso experiences a relatively high humidity level of 73%, continuing a trend observed since the beginning of winter. This month's humidity slightly decreases from July's peak of 75%, but remains significantly elevated compared to the dry summer months of January and February, both at 41%. The transition from the cooler months begins to show a gradual decline in humidity as the year progresses towards spring, with September dipping to 56%. Overall, August illustrates the city's characteristic dampness during winter, setting the stage for the upcoming spring season.
In August, Valparaiso experiences a high UV Index of 6, signaling a noticeable shift as the summer months fade into early spring. This marks an increase from the moderate levels seen in the preceding winter months of June and July, where the UV Index stagnated at 4. With a burn time of approximately 25 minutes, it's essential for residents and visitors alike to remain vigilant about sun protection, as prolonged exposure can lead to skin damage. The gradual rise in UV levels is consistent with the trend observed from late summer, where the index was significantly higher, peaking at 14 in January. As the seasons transition, knowing the local Valparaiso UV Index can help facilitate safer outdoor activities and enjoyment of the region's stunning coastal scenery.
UV Risk Categories
As summer fades into winter, August in Valparaiso, Chile, offers a delightful 296 hours of sunshine, hinting at the gradual transition towards spring. This month bridges the longer daylight of summer, which peaks in January with 321 hours, and the sun-drenched days of December that boast a remarkable 401 hours. Although August sees a slight dip from July's 268 hours, the overall trend is clear: the days are getting longer and brighter as the year progresses. With each passing month, sunshine hours steadily increase, setting the stage for the vibrant, sun-soaked adventures that lie ahead in spring and summer.
In August, the likelihood of sunny weather in Valparaiso, Chile, sits at 52%, marking a dip from the peak summer months of January and February, both at 59%, and the moderately sunnier March at 65%. As we move through winter, the chance of sun does decrease, with June reaching its lowest at 42%. However, August retains a glimpse of hope for sun-seekers, positioned between the cooler, cloudier months and the onset of more favorable conditions in September, which jumps to 70%. The transition from winter to spring promises a gradual shift toward brighter days, making August a bridge to the sunnier months ahead.
August in Valparaíso, Chile, marks a transition as the city experiences 10 hours of daylight, mirroring the previous month. As winter nears its end, daylight duration begins to rise, setting the stage for the gradual re-emergence of longer days. This month stands at the transition point between the shorter daylight of winter and the longer hours of spring, with each subsequent month promising a revival of sunlight. The trend showcases a gentle increase from August onward, ultimately leading back to the bright, expansive days of summer, highlighted by 14 hours of daylight in January. This cyclical pattern draws both residents and visitors to embrace the unique beauty of Valparaíso’s changing seasons.
In August, Valparaíso experiences a gentle breeze with an average wind speed of 4.4 m/s (10 mph), making it one of the calmer months of the year. Following a series of breezy months from May to July, where winds consistently reach 5.4 m/s (12 mph), the city welcomes the softer gusts of late winter. This slight dip in wind speed is part of a noticeable trend as the year progresses; after August, wind speeds rise again in September and October, peaking at 6.3 m/s (14 mph), which signals the arrival of the more energetic spring months. Residents and visitors alike can enjoy the mild August winds while preparing for the invigorating breezes that follow.
Weather in Valparaiso varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Valparaiso, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of August and January, we see distinct differences in temperature and precipitation levels. August experiences cooler conditions, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 14°C (58°F), alongside comparatively higher humidity levels of 73% and 41 mm of precipitation over four days. In contrast, January is significantly warmer, with temperatures averaging between 13°C (55°F) and 19°C (66°F), and it enjoys a drier climate with only 6 mm of precipitation and no recorded rainy days. This stark difference highlights January as a much more pleasant time to visit, particularly for those who prefer milder, drier weather. For more details, check out Valparaiso weather in January.
When comparing the weather in August and February, it's clear that February is significantly warmer and drier. In August, temperatures range from a chilly minimum of 8°C (47°F) to a mild maximum of 14°C (58°F), accompanied by 41 mm (1.6 in) of precipitation over four days, resulting in a higher humidity of 73%. In contrast, February boasts a more pleasant climate with temperatures soaring higher, from a minimum of 14°C (58°F) to a maximum of 19°C (66°F), and very little rainfall at just 6 mm (0.2 in) across the entire month, leading to a much lower humidity of 41%. For more details on the pleasant February climate, check out Valparaiso weather in February.
August and March present distinct weather profiles. In August, temperatures are cool with a minimum of 8°C (47°F) and an average of 12°C (53°F), peaking at 14°C (58°F). This month sees relatively higher humidity at 73% and experiences about 41 mm (1.6 in) of precipitation over four days. In contrast, March offers milder conditions, with a minimum temperature of 12°C (54°F) and an average of 15°C (60°F), reaching a maximum of 19°C (67°F). It is notably drier, with only 5 mm (0.2 in) of precipitation and no rainy days, accompanied by lower humidity at 46%. For a closer look at the climate specifics during this month, you can check Valparaiso weather in March.
When comparing the weather in August and April, we see distinct differences in temperature and precipitation. In August, the average temperature ranges from a minimum of 8°C (47°F) to a maximum of 14°C (58°F), with an average of 12°C (53°F). The humidity is notably high at 73%, and the month experiences about 41 mm (1.6 in) of precipitation over approximately four days. In contrast, April typically has warmer temperatures, ranging from a minimum of 11°C (53°F) to a maximum of 17°C (64°F), with an average of 14°C (58°F). This month sees much less rainfall, with only 9 mm (0.4 in) of precipitation over just one day and a lower humidity of 52%. For more details on the weather in April, you can visit Valparaiso weather in April.
In comparing the weather between May and August, we can observe distinct differences in temperature and humidity. May typically exhibits slightly warmer conditions with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 17°C (63°F), while August tends to be cooler, with temperatures ranging from 8°C (47°F) to 14°C (58°F). Precipitation levels are somewhat comparable, with May receiving 50 mm (2.0 in) across 3 days and August having 41 mm (1.6 in) over 4 days. Additionally, humidity in August is higher at 73% compared to May's 64%, contributing to a damp feeling during the later month. For more detailed insights on the weather in May, you can refer to Valparaiso weather in May.
In comparing the weather between August and June, we see some notable differences. August typically has slightly cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 14°C (58°F), while June's temperatures range from a minimum of 9°C (48°F) to a maximum of 16°C (61°F). Precipitation is more frequent in June, averaging 116 mm (4.6 in) over about 8 days, compared to August's 41 mm (1.6 in) over only 4 days. Humidity levels are relatively similar, with August at 73% and June slightly lower at 71%. For a detailed overview of the climate in June, you can explore Valparaiso weather in June.
In comparing the weather between July and August, both months exhibit similar minimum temperatures, with lows around 8°C (47°F). However, July tends to be slightly warmer on average, with a mean temperature of 12°C (54°F) compared to August's 12°C (53°F) and a maximum temperature of 16°C (61°F) versus August's 14°C (58°F). Precipitation levels are somewhat higher in July, totaling 47 mm (1.9 in) over four days, while August receives 41 mm (1.6 in) over the same number of days. Humidity remains relatively constant, hovering around 73% in August and 75% in July. For more detailed insights on July weather, please refer to Valparaiso weather in July.
August and September exhibit notable differences in weather patterns. In August, the minimum temperature drops to 8°C (47°F), whereas September sees a slightly warmer minimum of 10°C (50°F). Both months share an average temperature of 12°C (54°F), but September enjoys a higher maximum temperature of 15°C (60°F) compared to August’s peak of 14°C (58°F). Precipitation is considerably lower in September, with only 15 mm (0.6 in) falling over two days, in stark contrast to August’s 41 mm (1.6 in) across four days. Additionally, September's humidity drops to 56%, compared to August's higher rate of 73%. For more detailed insights, you can refer to Valparaiso weather in September.
In August, temperatures range from a chilly 8°C (47°F) to a maximum of 14°C (58°F), with an average of 12°C (53°F). The month experiences considerable precipitation, with 41 mm (1.6 in) falling over four days and a humidity level of 73%. In contrast, October sees slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 15°C (60°F), while the average remains the same at 12°C (55°F). October is notably drier, with only 12 mm (0.5 in) of rain over just one day and lower humidity at 61%. For more detailed insights, you can check Valparaiso weather in October.
In comparing August and November weather, August tends to be cooler and wetter, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 14°C (58°F) and experiencing about 41 mm (1.6 in) of precipitation over four days. In contrast, November sees milder temperatures, with lows of 10°C (50°F) and highs reaching up to 17°C (62°F), and significantly less rainfall at just 5 mm (0.2 in) across the month, often with no rainy days. Additionally, humidity levels drop from 73% in August to a more comfortable 52% in November. For more detailed insights, visit Valparaiso weather in November.
In August, the weather is markedly cooler with temperatures ranging from a minimum of 8°C to a maximum of 14°C, and an average of 12°C. This month experiences more precipitation, totaling 41 mm over four days, along with higher humidity at 73%. In contrast, December brings milder conditions, with temperatures varying between 12°C and 17°C, and an average of 15°C. The month is notably drier, with only 3 mm of precipitation and no rainy days, resulting in a lower humidity level of 39%. For more specifics, you can check out Valparaiso weather in December.
As we bid farewell to winter, August in Valparaíso brings a noticeable chill with average temperatures hovering around 12°C. This month typically provides a refreshing contrast to the warmer summer months, as the city experiences an increase in humidity, making the air feel cooler. With only a handful of rainy days contributing to the overall precipitation, August offers a unique blend of conditions that are less frequent in the sun-drenched summer. For more detailed insights into the nuances of weather throughout the year, check out Valparaiso Climate.