Last updated: August 27, 2025
In August, Callao, Peru, experiences a mild and pleasant climate characterized by an average temperature of 17°C (62°F), peaking at a maximum of 20°C (69°F) and dipping to a minimum of 14°C (57°F). The humidity remains comfortable at around 50%, contributing to a pleasant outdoor environment. Notably, this month sees 0 days of precipitation, with a total rainfall of only 10 mm (0.4 in), making it an ideal time for outdoor activities and exploration. Visitors can enjoy the clear skies and moderate temperatures that define Callao's August weather.
In August, Callao, Peru, experiences a cool and overcast weather pattern, with temperatures stabilizing at a modest average of 17°C (63°F). The minimum temperatures dip to around 14°C (57°F), while highs only reach 20°C (69°F), reflecting a trend of gradual cooling as winter deepens. This month aligns closely with the preceding July, signaling a consistent chill that lingers in the coastal air. Interestingly, as August draws to a close, the temperatures hold steady, suggesting that residents and visitors can expect a uniform climate as they enjoy the serene ambiance of this Peruvian coastal gem.
In August, Callao, Peru, experiences a notable shift in its precipitation patterns, receiving a modest 10 mm (0.4 in) of rain, contributing to its typically dry winter season. Interestingly, this month records zero precipitation days, highlighting the region's characteristic aridity during this time. This trend follows a gradual decrease in rainfall since the peak months of January through March, when the city collectively sees over 150 mm across approximately 41 days. As spring approaches, precipitation remains minimal, with August mirroring the preceding months of June and July, which also saw negligible rainfall. This consistent dryness sets the stage for a transition into the slightly wetter months ahead, as the rain begins to re-emerge in September and October.
In August, Callao, Peru, experiences a notable shift in humidity, dropping to a comfortable 50%. This marks the lowest level of humidity in the year, reflecting a gradual decline from the oppressive highs of January through April, where humidity levels hover around 89% to 90%. As the cooler winter months of July and early August approach, the air becomes drier, leading to a refreshing respite from the mugginess typical in the earlier months. Following August, humidity begins to rise again in September, setting the stage for the transition into the wetter season that follows in the spring months of November and December. This cyclical nature of humidity highlights the unique climate patterns of Callao, providing a varied atmospheric experience throughout the year.
In August, Callao, Peru experiences an UV Index of 11, categorized as extreme, which indicates a significant risk of harm from unprotected sun exposure. This trend reflects the region's consistently high UV levels throughout the year, with values peaking at 14 during the summer months of January to March. Even as winter approaches, the UV Index remains notably high, highlighting the need for sun protection with a burn time of just 10 minutes. This pattern underscores the importance of being vigilant about UV exposure in Callao. For detailed information, visit Callao UV Index.
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August in Callao, Peru, shines brightly with an impressive 335 hours of sunshine, marking it as one of the sunniest months of the year. This trend of increasing sunlight begins in January with 270 hours and steadily rises to a peak in October, which boasts the highest total at 340 hours. The sunshine patterns illustrate a gradual buildup through the first half of the year, with notable increases in May and June. As summer transitions into autumn, the consistent hours of sunshine remain largely above 320 hours, creating an inviting atmosphere for both locals and tourists. The warm, sunlit days of August serve as a delightful reminder of Callao's vibrant climate and the enchanting beauty of coastal Peru.
As summer transitions into early fall, August in Callao, Peru, presents a notably pleasant chance of sunny weather, with a 48% likelihood of sunshine—a figure that holds strong in comparison to the previous month, July, which boasts a slightly higher 55% chance. This marks a significant improvement from the dreary days of early winter, where sunlight barely peeked through, highlighted by January’s minimal 6% chance. As the months progress, the sunlight returns with increasing frequency, making August an ideal time to enjoy outdoor activities in this coastal gem. However, be prepared for changing conditions as September sees a dip to 41%, reminding us that while summer may be fading, there are still ample opportunities to catch those rays.
In Callao, Peru, the daylight duration experiences subtle shifts throughout the year, shaping the rhythm of life for its inhabitants. From January to March, the sun graces the region with a consistent 12 hours of daylight, ensuring plenty of time for outdoor activities. However, as April arrives, the light begins to wane slightly, settling at 11 hours for the remainder of the winter months until August. This pattern creates a cozy, inviting atmosphere during the cooler season, ideal for enjoying the local culture and cuisine. As the year progresses into September, daylight extends once again to 12 hours, marking a return to brighter days just in time for the spring. The cyclic nature of Callao's daylight not only reflects seasonal changes but also mirrors the vibrant life of this coastal city.
In Callao, Peru, the August winds bring a refreshing shift in the coastal atmosphere, with average wind speeds reaching 3.1 m/s (7 mph). This marks the peak of a notable upward trend in wind intensity that begins in late spring. Starting from May, when the winds pick up to 2.6 m/s (6 mph), there's a consistent increase through the summer months, culminating in the strongest breezes of the year. The trend then stabilizes into early fall, as September and October maintain a brisk 3.0 m/s (7 mph), ensuring that the oceanfront remains lively. This annual rhythm not only enhances the charm of Callao’s coastal views but also invites wind sports enthusiasts to enjoy the invigorating breezes, making August a particularly exhilarating time to be by the sea.
Weather in Callao varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Callao, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present quite contrasting weather conditions. In August, temperatures are milder, ranging from a minimum of 14°C (57°F) to a maximum of 20°C (69°F), with very low precipitation at just 10 mm and humidity around 50%. On the other hand, January is notably warmer, with temperatures starting at a minimum of 17°C (64°F) and peaking at 27°C (81°F). Additionally, January experiences significantly higher rainfall, totaling 47 mm over approximately 15 days, alongside increased humidity levels reaching 89%. For more specific details on January weather, you can check out Callao weather in January.
The weather in August is notably cooler and drier, with temperatures averaging around 17°C (62°F) and minimal precipitation of only 10 mm over the month. In contrast, February experiences warmer conditions, with average temperatures reaching 22°C (72°F) and significantly higher rainfall of 53 mm over 12 days, leading to a much more humid environment at 89%. This stark difference highlights August's mildness compared to the hotter and wetter February. For more details, you can check Callao weather in February.
In August, the weather is mild with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 20°C (69°F), and a low humidity level of 50%. This month experiences very little precipitation, with only 10 mm (0.4 in) of rain and no rainy days. In contrast, March is significantly warmer, with temperatures reaching as high as 27°C (81°F) and an average of 22°C (72°F). However, it also brings more rainy days, totaling about 50 mm (2.0 in) of precipitation over 14 days and higher humidity at 90%. For more detailed information, check out Callao weather in March.
In comparing the weather of August and April, we see notable differences in temperature and precipitation. August experiences milder conditions with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 20°C (69°F) and very low precipitation of just 10 mm over the month. In contrast, April is warmer, showcasing a minimum temperature of 15°C (60°F) and an average high of 26°C (79°F), accompanied by more significant rainfall of 18 mm spread across about 5 days. Additionally, April has a higher humidity at 89%, compared to August's 50%. For a closer look at the April climate specifics, check out Callao weather in April.
In comparing the weather between August and May, August tends to be cooler and drier. The average temperature in August is 17°C (62°F), with a maximum of 20°C (69°F) and no recorded precipitation, while May boasts warmer temperatures ranging from a minimum of 14°C (58°F) to a maximum of 25°C (78°F). Additionally, May experiences higher humidity at 83% and slightly more rainfall, with 9 mm (0.4 in) over a single day. For more detailed information on May weather, you can check Callao weather in May.
In comparing the weather of August and June, we find that both months feature relatively mild temperatures, but there are slight differences in their averages. August has a minimum temperature of 14°C (57°F) and an average of 17°C (62°F), while June sees a slightly warmer minimum of 15°C (59°F) and an average of 18°C (64°F). Both months experience similar precipitation levels of 10 mm (0.4 in), with no rainfall recorded on any days. However, June is noticeably more humid, with humidity levels reaching 69%, compared to August's 50%. For a more detailed look at June weather in Callao, you can visit Callao weather in June.
In comparing the weather of August and July, both months display similar temperature ranges, with August showing a minimum of 14°C (57°F), an average of 17°C (62°F), and a maximum of 20°C (69°F). In contrast, July has a slightly warmer maximum temperature of 21°C (69°F) while maintaining the same minimum and average temperatures. Precipitation levels in both months are also comparable, with August recording 10 mm (0.4 in) and July at 11 mm (0.4 in), although both months experienced no rainy days. Additionally, July has a higher humidity level of 56% compared to August's 50%. For more detailed insights about July weather, you can check this link: Callao weather in July.
Both August and September exhibit similar temperature ranges, with minimums of 14°C (57°F), average temperatures around 17°C (62°F), and maximums reaching 20°C (69°F). However, September sees a slight increase in humidity at 53%, compared to August's 50%. Precipitation levels are consistent, with both months receiving 10 mm (0.4 in), but September experiences rainfall on one day, while August remains dry. For more details on the weather specifics, check Callao weather in September.
In August, the weather is mild with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 20°C (69°F) and an average of 17°C (62°F). The month experiences low precipitation, with no rainy days and humidity levels around 50%. In contrast, October offers slightly warmer temperatures, with a minimum of 14°C (58°F), an average of 17°C (63°F), and a maximum of 21°C (71°F). While still receiving the same amount of precipitation (10 mm or 0.4 in), October sees rain on 2 days, contributing to a higher humidity level of 68%. For more detailed information about the weather in October, you can visit Callao weather in October.
August and November offer contrasting yet mild weather patterns. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 20°C (69°F), with an average of 17°C (62°F). This month experiences very little rain, with just 10 mm (0.4 in) of precipitation and no rainy days, pairing with a comfortable humidity level of 50%. In contrast, November sees slightly warmer temperatures, with a minimum of 15°C (59°F), an average of 18°C (65°F), and a maximum of 23°C (74°F). Although November has similar total precipitation at 9 mm (0.4 in), it experiences rain over 2 days, and the humidity rises significantly to 81%. For more details, check Callao weather in November.
August and December in Callao present distinct weather patterns. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 20°C (69°F), with an average of 17°C (62°F). This month experiences very low precipitation, with only 10 mm recorded over zero rainy days and a moderate humidity of 50%. In contrast, December sees warmer temperatures, with a minimum of 16°C (62°F) and a maximum of 25°C (76°F), averaging 20°C (68°F). This month is slightly wetter, receiving 17 mm of rainfall across three days, and features significantly higher humidity at 87%. For more details on December weather in Callao, check out Callao weather in December.
In August, Callao experiences a mild and pleasant climate, distinguishing itself from the more extreme temperatures of other seasons. With average temperatures hovering around a comfortable 17°C (62°F) and zero days of precipitation, this month boasts remarkably dry weather, which is a welcome respite compared to the wetter months that often precede it. The humidity stays relatively balanced at 50%, ensuring that the air remains refreshing without overwhelming moisture. For more detailed insights into annual weather patterns, explore Callao Climate.