August Weather in Chillan, Chile

Last updated: August 21, 2025

In Chillan, Chile, August brings a notable transition in weather, with temperatures ranging from a chilly -2°C (29°F) at night to a pleasant maximum of 21°C (71°F) during the day. This month experiences an average temperature of 9°C (48°F), setting the stage for brisk mornings and mild afternoons. Rainfall is prevalent, with a total precipitation of 153 mm (6.0 in) spread across 11 rainy days, contributing to a humidity level of 83% that adds to the mystique of the region. Whether you seek adventure or tranquility, August in Chillan offers a dynamic climate perfect for exploring the stunning landscapes of this beautiful area.

August Temperature in Chillan

In August, Chillán experiences a transition as winter begins to wane, with temperatures gradually rising. The average temperature hovers around 9°C (48°F), offering a brisk chill in the air, while daytime highs can reach up to 21°C (71°F), providing glimpses of the warmer days ahead. Minimum temperatures dip slightly, reaching about -2°C (29°F), which adds a touch of winter's lingering chill. Compared to the preceding months, August marks a noticeable shift from the more frigid conditions of July, hinting at the promise of spring. This subtle warmth combined with the crisp air makes August an invigorating time in Chillán, perfect for those seeking outdoor adventures while still enjoying the last vestiges of winter.

August Weather in Chillan: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Chillan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chillan, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686863575148474852556166
Data source: Temperature data for Chillan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Chillan

August in Chillan, Chile, marks a significant transition in precipitation patterns, with rainfall accumulating to 153 mm (6.0 in) over 11 days. This increase follows the notably wet July, which already recorded 135 mm (5.3 in), signifying a peak in the rainy season. The months preceding August show a gradual rise in rainfall, from just 20 mm (0.8 in) in January to a substantial 256 mm (10.1 in) in June. However, August stands out as a critical month as it leads into the tail end of winter, ensuring lush landscapes while also hinting at the waning precipitation that follows, with September’s rainfall dropping significantly to 85 mm (3.3 in). This trend of increasing rainfall during the winter months paints a vivid picture of Chillan’s climatological shift, making August a pivotal time for both nature and the community alike.

August Precipitation Trends in Chillan

The chart displays monthly precipitation patterns in Chillan, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Chillan, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec20919461312561351538568297
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chillan

In August, Humidity in Chillan, Chile remains relatively high at 83%, continuing the trend observed in the preceding months. As the winter season wanes, humidity levels have surged significantly since January, when they were a mere 41%. The pattern reveals a steady increase from late spring through mid-winter, with a notable peak in July at 85%. This gradual rise reflects the region's moist climate, primarily influenced by cooler temperatures and seasonal weather changes. As September approaches, humidity is expected to decrease to 68%, signaling a transition toward drier conditions as spring unfolds.

August Average Humidity in Chillan

This chart illustrates the average monthly humidity levels in Chillan, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Chillan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%48%60%79%83%86%83%68%64%49%42%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chillan

In Chillan, Chile, the August UV Index reflects a shift towards more moderate sun exposure, with a measured UV Index of 5. This indicates a moderate risk of harm from unprotected sun exposure, requiring a burn time of about 30 minutes. Following a trend from the winter months, August's UV levels show a slight increase compared to July's 4, which correlates with the lengthening days as spring approaches. As we look at the calendar year, UV exposure peaks in the summer months of January and February with indices soaring to 14 and 13, classified as extreme, while the autumn months deliver a reprieve with values dropping to 7 in September. This cyclical pattern underscores the importance of sun protection throughout the year as UV levels fluctuate significantly. For detailed insights, visit Chillan UV Index.

Maximum UV Index Levels in Chillan for August

The chart shows the monthly maximum UV Index (UVI) for Chillan in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Chillan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141310753457101314
Data source: Chillan August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Chillan

In Chillán, Chile, August marks the transition from winter to spring, offering a modest yet inviting 240 hours of sunshine. This represents a noticeable increase from the cooler months of June and July, which saw only 172 and 213 hours, respectively. As the days grow longer, residents and visitors alike can enjoy the gradual return of warmth and daylight. Looking ahead, September further embraces this trend with an increase to 283 hours of sunshine, hinting at the vibrant springtime ahead. The consistent rise in daylight hours throughout the year, culminating in the peak months of November and December, not only enhances Chillán's natural beauty but also invites outdoor activities and a lively atmosphere as the warmer months approach.

Monthly Sunshine Duration in Chillan: August Highlighted

The August sunshine duration represents the total number of hours Chillan experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec321h344h354h294h232h172h213h240h283h337h373h396h
Data source: Chillan August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chillan During August

In Chillán, Chile, the likelihood of enjoying sunny weather in August stands at 45%, reflecting a notable dip compared to the peak summer months of January and February, which boast chances of sunshine at 78% and 72%, respectively. As winter's grip tightens, August sees a modest recovery from the cold and cloudy grip of June, where sunshine chances plummet to just 33%. This gradual return to brighter skies continues into September, with sun probabilities rising to 60%. Therefore, while August may not shine as brightly as the peak summer days, it offers a distinct transition toward sunnier months ahead, making it an appealing time for those seeking milder weather.

Percentage of Sunny Days in August in Chillan

The chart illustrates the percentage of sunny days in Chillan throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chillan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%74%65%44%34%61%45%60%72%77%82%
Data source: Chillan August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chillan in August

As August arrives in Chillán, Chile, daylight begins a gradual renewal, offering 10 hours of light each day. This marks a subtle increase from the darker winter months of June and July, which each provide only 9 hours of sunlight. Following this growth, September sees daylight expand further to 11 hours, heralding the approach of spring. The patterns in Chillán's daylight duration reflect a rhythmic transition throughout the year, from the lengthy sunlit days of summer in January and February, when the sun hangs in the sky for 14 hours, to the shorter winter days, culminating in a captivating annual cycle that celebrates the balance of light and darkness.

Average Daylight Hours in Chillan for August

The chart illustrates the variation in daylight duration in Chillan throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 18m13h 23m12h 15m11h 6m10h 9m9h 41m9h 56m10h 47m11h 52m13h 2m14h 3m14h 35m
Data source: Chillan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Chillan

In August, Chillán, Chile experiences a gentle rise in average wind speed, reaching 3.2 m/s (7 mph). This marks a subtle but noticeable increase from the calmer days of July, making August a transitional month where summer’s light breezes begin to blend into the cooler, more invigorating winds of early spring. The trend shows a gradual uptick in wind speeds starting from mid-winter, culminating in the higher velocities seen in October at 3.8 m/s (8 mph). This dynamic shifts illustrate how the seasons influence Chillán's weather, transitioning from the stillness of summer to the brisk freshness that heralds the arrival of spring.

Average August Wind Speed in Chillan

The chart displays monthly wind speed patterns in Chillan, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.52.42.62.72.72.93.13.2 m/s3.03.83.53.2
Data source: Chillan August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Chillan Compares to Other Months

Weather in Chillan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Chillan, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present starkly contrasting weather conditions. In August, temperatures range from a chilly -2°C (29°F) at night to an average of 9°C (48°F), peaking at 21°C (71°F) during the day. This month experiences considerable rainfall, with 153 mm (6.0 in) of precipitation over approximately 11 days, contributing to a high humidity level of 83%.

In contrast, January offers much warmer weather, with temperatures starting at a mild 6°C (43°F) and soaring to an average of 20°C (68°F) and highs reaching up to 38°C (101°F). Precipitation is minimal, with only 20 mm (0.8 in) occurring across just one day, and the humidity drops significantly to 41%. For more details on January weather, you can check Chillan weather in January.

In August, the weather tends to be much cooler and wetter, with temperatures ranging from a chilly -2°C (29°F) to a maximum of 21°C (71°F) and an average of 9°C (48°F). The month experiences substantial rainfall, with 153 mm (6.0 in) of precipitation over 11 days, causing a high humidity level of 83%. In contrast, February boasts a warmer climate, with temperatures ranging from a mild 8°C (47°F) to a scorching 36°C (97°F), averaging around 20°C (68°F). This month sees significantly less rainfall, accumulating only 9 mm (0.4 in) over just 2 days, and the humidity drops to a comfortable 41%. For more detailed insights, check out Chillan weather in February.

In comparing the weather of August and March, we observe significant differences in temperature and precipitation. August features a minimum temperature of -2°C (29°F) and an average of 9°C (48°F), with a maximum of 21°C (71°F). In contrast, March enjoys much warmer conditions, starting at a minimum of 4°C (40°F) and averaging 17°C (63°F), reaching highs of 33°C (91°F). Additionally, August experiences considerable precipitation, with 153 mm (6.0 in) over 11 days, while March sees a much drier climate with only 19 mm (0.7 in) across just 2 days. The humidity in August is quite high at 83%, making it feel colder, whereas March has a more moderate humidity level of 48%. For a detailed look at March weather specifics, you can refer to Chillan weather in March.

When comparing the weather of August and April, distinct differences emerge. August tends to be quite chilly, with minimum temperatures dropping down to -2°C (29°F) and average temperatures around 9°C (48°F), while April experiences more moderate conditions, with minimums starting at 3°C (37°F) and averages reaching up to 14°C (57°F). Notably, August sees a higher maximum temperature of 21°C (71°F), but April can spike to a maximum of 28°C (83°F), making it generally warmer overall. Precipitation in August is significantly greater, with 153 mm (6.0 in) over 11 days, compared to April’s lighter rainfall of just 46 mm (1.8 in) over 4 days. Furthermore, the humidity is higher in August at 83%, while April boasts a more comfortable 60%. For those interested in further details on April weather, check out Chillan weather in April.

When comparing the weather in August and May, notable differences arise in temperature, precipitation, and humidity. In August, temperatures range from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), with an average of 9°C (48°F). Conversely, May sees slightly cooler conditions, with temperatures dipping to -4°C (26°F) as a minimum and reaching a maximum of 23°C (73°F), averaging around 10°C (51°F). Precipitation is somewhat higher in August, totaling 153 mm (6.0 in) over 11 days, compared to 131 mm (5.2 in) over just 8 days in May. Humidity levels are also a bit elevated in August at 83%, while May maintains a lower humidity of 79%. For a deeper look into the conditions during this time, visit Chillan weather in May.

When comparing August and June weather, we see that both months have similar average temperatures, around 9°C (48°F), but August tends to be slightly warmer with a maximum of 21°C (71°F) compared to June's maximum of 19°C (66°F). Notably, June experiences lower minimum temperatures, with a low of -4°C (24°F), while August's minimum is -2°C (29°F). Precipitation is more abundant in June, totaling 256 mm (10.1 in) over 13 days, compared to August's 153 mm (6.0 in) across 11 days. Humidity levels are comparable, with June at 82% and August slightly higher at 83%. These differences highlight how June can be wetter and cooler, while August is milder. For more details on June weather in Chillan, you can check Chillan weather in June.

When comparing the weather in August to July, August tends to be slightly warmer, with average temperatures reaching 9°C (48°F) compared to July's 8°C (47°F). The maximum temperature in August also surpasses that of July, peaking at 21°C (71°F) versus July's maximum of 19°C (67°F). However, August experiences a bit more rainfall, with precipitation totaling 153 mm (6.0 in) over 11 days, while July has 135 mm (5.3 in) across 10 days. Both months maintain high humidity levels, though August's average humidity is slightly lower at 83% compared to July’s 85%. For those interested in a deeper understanding of July's weather, you can find more details here: Chillan weather in July.

August and September weather show a noticeable transition as summer gives way to fall. In August, temperatures range from a chilly -2°C (29°F) at night to a mild 21°C (71°F) during the day, with an average temperature of 9°C (48°F). The month also sees considerable precipitation at 153 mm (6.0 in) over 11 days, coupled with high humidity at 83%. In contrast, September experiences slightly warmer conditions with a minimum of -1°C (31°F) and a maximum of 26°C (79°F), resulting in an average temperature of 11°C (52°F). Rainfall decreases significantly to 85 mm (3.3 in) over just 6 days, and humidity drops to a more comfortable 68%. For more details on weather patterns, check out Chillan weather in September.

In August, the weather is characterized by cooler temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), with an average of 9°C (48°F). It experiences significant precipitation of 153 mm (6.0 in) over 11 days, along with a high humidity level of 83%, creating a damp and chilly atmosphere. In contrast, October showcases a milder climate with temperatures varying from a minimum of 1°C (34°F) to a maximum of 28°C (82°F) and an average of 13°C (55°F). The month also sees reduced precipitation at 68 mm (2.7 in) over just 7 days and a lower humidity of 64%, leading to a more comfortable environment. For more details on October weather, you can check Chillan weather in October.

August and November present notably different weather patterns. In August, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 21°C (71°F), with an average temperature of 9°C (48°F). This month sees considerable precipitation, totaling 153 mm (6.0 in) over 11 days, accompanied by high humidity levels averaging 83%. In contrast, November enjoys a milder climate, with much warmer temperatures that range from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), averaging 16°C (61°F). Precipitation drops significantly to 29 mm (1.2 in) across just 3 days, and humidity decreases to a more comfortable 49%. For a deeper look into the specific conditions in November, check out Chillan weather in November.

In August, the weather is quite cool, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), and an average temperature of 9°C (48°F). The month experiences significant rainfall, averaging 153 mm (6.0 in) over about 11 days and a high humidity level of 83%, making it feel damp and chilly. In contrast, December brings much warmer conditions, with temperatures varying from a minimum of 7°C (44°F) to a maximum of 33°C (92°F) and an average of 19°C (66°F). Rainfall is minimal, only about 7 mm (0.3 in) over just 2 days, and the humidity drops to a comfortable 42%. For more details on the December weather, visit Chillan weather in December.

Compare Chillan's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Chillan

As August unfolds in Chillán, it presents a distinctive shift in weather compared to other months. With average temperatures dipping to a cool 9°C, chilly nights often touch -2°C, offering a stark contrast to the warmer summer months. Precipitation becomes more prominent, with about 11 days of rainfall contributing to a total of 153 mm, making it one of the wetter periods of the year. The relatively high humidity of 83% adds to the crisp feel in the air, signaling the transition towards autumn. For more insights into this picturesque climate, be sure to check out Chillan Climate.