Last updated: August 27, 2025
In July, Callao, Peru, experiences a comfortable maritime climate characterized by a maximum temperature of 21°C (69°F) and an average of 17°C (63°F), with a minimum temperature dipping to 14°C (57°F). This month is notably dry, boasting 0 days of precipitation and a total of just 11 mm (0.4 in) of rain, making it an ideal time for outdoor activities. With humidity levels at a moderate 56%, the weather remains pleasant and refreshing, inviting visitors to explore the coastal allure of Callao.
In July, Callao, Peru experiences its coolest temperatures of the year, with minimums dropping to 14°C (57°F) and an average of just 17°C (63°F). This month marks a shift from the warmer months preceding it, as the highs barely reach 21°C (69°F). The coastal climate brings a notable chill, often accompanied by overcast skies and occasional drizzle, fostering a snug atmosphere that contrasts sharply with the brighter, sun-filled days of summer. As the days grow cooler, this is the perfect time to enjoy cozy indoor activities or sample the region's hearty winter cuisine, making July a unique experience in Callao’s annual weather cycle.
In Callao, Peru, July marks a notable shift in precipitation trends, with only 11 mm (0.4 in) of rainfall recorded throughout the month, a slight decrease compared to June’s meager total. Interestingly, this drop comes after a relatively dry period, as July experiences no precipitation days, mirroring August's dry spell. This pattern highlights a significant reduction in rainfall as the region transitions from the wetter months earlier in the year, where January and February see much higher levels of precipitation, averaging 47 mm and 53 mm, respectively. By July, the overall trend indicates a move towards drier conditions, setting the stage for the more arid months that follow.
In July, Callao, Peru, experiences a noticeable drop in humidity, averaging at 56%. This marks a significant shift from the high levels of humidity recorded in the earlier months, where figures hovered around 89% to 90%. The trend reveals a steady decrease from the peak months, with June already dipping to 69%. As summer approaches, August continues the downward trend, reaching its yearly low of 50%. This overall pattern highlights the coastal city's transition from the dampness of the rainy season to a drier, more temperate environment, making July a more comfortable time of year for both residents and visitors alike.
In July, Callao, Peru, experiences a very high UV Index of 10, with a burn time of just 15 minutes. This marks a slight shift from the previous months, where the UV Index was gradually declining from January through June, eventually peaking at 14 in the earlier months before settling into a level that still warrants caution. While July's UV Index remains lower than the extreme categories seen earlier in the year, it underscores the importance of sun safety measures during this time. As winter continues, residents and visitors should remain vigilant about UV exposure and protect their skin accordingly. For more details on UV trends throughout the year, check out Callao UV Index.
UV Risk Categories
In July, Callao, Peru, basks in an impressive 327 hours of sunshine, contributing to a delightful mid-year climate that locals and visitors alike relish. This brings a slight dip from the sunniest days of May and June, yet the warmth remains inviting, especially when compared to the year’s earlier months. Notably, the southern hemisphere winter transforms Callao into a vibrantly sunny destination, with sunshine hours generally increasing from January's modest 270 hours to a peak in late summer months like October, which enjoys the most radiant 340 hours. As the days stretch, the gradual rise in sunshine hours hints at the promise of a splendid end to winter, setting the tone for outdoor adventures and sun-soaked experiences ahead.
In Callao, Peru, the likelihood of sunny weather takes a notable turn in July when the sun shines brightly 55% of the time, marking one of the sunniest months of the year. This increase follows a steady climb from the lower percentages seen in the earlier months, where January to June averages only 6% to 50% sunshine. As the region moves into the winter months, the chance of sun remains relatively stable, with August and September also offering a decent amount of sunshine at 48% and 41% respectively. This pattern indicates a welcoming mid-year shift for those hoping to bask in the warmth of the sun, making July a prime time for enjoying the outdoors in this coastal city.
In Callao, Peru, the daylight duration experiences a subtle yet noticeable rhythm throughout the year. From January to March, the days are consistently vibrant with 12 hours of sunlight, offering ample time for outdoor adventures and exploration. As April rolls in, a gradual shift occurs, decreasing to 11 hours of daylight, a trend that persists from May through August. This slight reduction aligns with the cooler winter months, granting a cozy ambiance to the city. However, as September approaches, daylight begins to bounce back, returning to 12 hours by the end of the year, inviting a sense of renewal and warmth as longer days herald the arrival of spring. Thus, the daylight hours in Callao encapsulate a captivating annual cycle, oscillating gracefully between longer and shorter days.
As July rolls in Callao, Peru, the wind begins to stir with a noticeable increase in intensity, reaching an average speed of 3.0 m/s (7 mph). This marks a peak in a steady upward trend from the milder breezes of the earlier months; in fact, since May, the winds have gradually gained strength, suggesting a shift toward more dynamic atmospheric conditions. Following July, the wind remains consistently brisk in both August and September, maintaining the 3.0 m/s mark, before easing slightly in the latter part of the year. This progression hints at a seasonal rhythm, as Callao gears up for a breezy winter, offering a refreshing contrast to the stiller days of earlier in the year.
Weather in Callao varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Callao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Callao is mild with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (69°F), accompanied by low humidity at 56% and almost no rainfall. In contrast, January experiences warmer conditions, with average temperatures ranging from 17°C (64°F) to 27°C (81°F) and significantly higher humidity at 89%. Additionally, January sees more precipitation, with 47 mm (1.9 in) spread over about 15 days, making it a much wetter month compared to the dry and mild July. For more details, you can check Callao weather in January.
The weather in July is notably cooler and drier compared to February. In July, temperatures range from a minimum of 14°C (57°F) to a maximum of 21°C (69°F), with only 11 mm (0.4 in) of precipitation across zero rainy days, resulting in a humidity level of 56%. In contrast, February experiences higher temperatures, with averages between 18°C (65°F) and 28°C (82°F), and significantly more rainfall, totaling 53 mm (2.1 in) spread over 12 days, accompanied by a higher humidity of 89%. For more detailed information, visit Callao weather in February.
When comparing the weather in July and March, we find notable differences in temperature and precipitation. In July, temperatures range from a minimum of 14°C (57°F) to a maximum of 21°C (69°F), with an average of 17°C (63°F). This month experiences very little precipitation, with only 11 mm (0.4 in) recorded across a dry spell of 0 days and a moderate humidity level of 56%. In contrast, March boasts warmer temperatures, with a minimum of 17°C (64°F), an average of 22°C (72°F), and a maximum of 27°C (81°F). However, it is significantly wetter, with 50 mm (2.0 in) of rain spread over 14 days and a high humidity level of 90%. For a detailed view of March's weather, you can visit Callao weather in March.
In comparing the weather between July and April, we observe some notable differences. July has a cooler temperature range with a minimum of 14°C (57°F) and an average of 17°C (63°F), while April boasts higher temperatures, reaching a minimum of 15°C (60°F) and an average of 20°C (69°F). Additionally, April experiences more rainfall, with 18 mm (0.7 in) of precipitation over five days, contrasting sharply with July’s dry conditions, which see no precipitation at all. Humidity levels are also higher in April at 89%, compared to July's 56%. For a detailed look at the climate in April, you can visit Callao weather in April.
In comparing the weather of July and May, we see notable differences. July tends to be cooler, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (69°F) and an average of 17°C (63°F). Additionally, July boasts low precipitation with no rainy days and a humidity level of around 56%. On the other hand, May experiences warmer conditions, with temperatures peaking at 25°C (78°F) and averaging 19°C (66°F). It also has slightly higher humidity at 83% and sees some rainfall, with approximately 9 mm (0.4 in) over one day. For more detailed information on May's climate, you can visit Callao weather in May.
In comparing the weather between June and July, we see some notable similarities and differences. Both months experience mild temperatures, with July having an average temperature of 17°C (63°F), slightly cooler than June's average of 18°C (64°F). While the maximum temperatures are comparable, July's minimum temperature is slightly lower at 14°C (57°F) compared to June's 15°C (59°F). Precipitation levels are quite similar, with July receiving 11 mm (0.4 in) and June slightly less at 10 mm (0.4 in), and both months report no rainy days. However, humidity levels are higher in June at 69%, contrasting with July's 56%, which contributes to a drier feel in the latter month. For a more detailed look at June's weather, you can refer to Callao weather in June.
In July, the weather features a slightly warmer maximum temperature of 21°C (69°F), while August cools down slightly to a peak of 20°C (68°F). Both months share similar minimum temperatures of 14°C (57°F) and average temperatures around 17°C, with July being just a touch warmer at 17°C (63°F) compared to August's 16.5°C (62°F). Precipitation is minimal in both months, with July seeing 11 mm (0.4 in) and August slightly less at 10 mm (0.4 in), and neither month records any rainy days. Additionally, humidity is slightly higher in July at 56%, while August enjoys a drier feel with 50% humidity. For more details on August weather, you can visit Callao weather in August.
In July, the weather features a mild temperature range, with a minimum of 14°C (57°F), an average of 17°C (63°F), and a maximum of 21°C (69°F). The month sees very little precipitation, only 11 mm (0.4 in) over no days, coupled with a humidity level of 56%. In contrast, September presents similar temperatures, maintaining a minimum of 14°C (57°F), an average of 17°C (62°F), and a slightly lower maximum of 20°C (69°F). While precipitation remains low at 10 mm (0.4 in), it does occur over one day, and the humidity drops slightly to 53%. For a detailed look at September weather, you can check Callao weather in September.
In July, the weather is characterized by mild temperatures with a minimum of 14°C (57°F), an average of 17°C (63°F), and a maximum of 21°C (69°F). This month sees very little precipitation, with only 11 mm (0.4 in) recorded over 0 days, and low humidity levels at 56%. In contrast, October maintains similar temperature ranges, with a minimum of 14°C (58°F), an average of 17°C (63°F), and a slight increase in the maximum to 21°C (71°F). However, October experiences a bit more moisture, with 10 mm (0.4 in) of precipitation across 2 days and higher humidity levels at 68%. For more specific details about the weather in this month, you can check Callao weather in October.
In comparing the weather between July and November, July features slightly cooler temperatures, with averages around 17°C (63°F) and a maximum of 21°C (69°F), while November sees a rise in temperature, averaging 18°C (65°F) and peaking at 23°C (74°F). Although both months experience minimal precipitation—11 mm (0.4 in) in July and 9 mm (0.4 in) in November—the rainfall in November is spread across two days compared to none in July. Additionally, humidity levels are higher in November at 81%, compared to 56% in July, contributing to a more humid atmosphere during the later month. For more detailed insights, check out Callao weather in November.
In July, the weather is relatively mild, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (69°F). The month sees low precipitation at just 11 mm (0.4 in) and is dry for the entire month, accompanied by a moderate humidity level of 56%.
In contrast, December experiences slightly warmer conditions, with temperatures averaging between 16°C (62°F) and 25°C (76°F). This month sees more rainfall, totaling 17 mm (0.7 in) over three days, and a noticeable increase in humidity at 87%. The shift in weather patterns highlights the distinct seasonal characteristics of each month. For more details, you can check Callao weather in December.
July in Callao boasts a mild climate, distinctively characterized by moderate temperatures and a noticeable absence of rainfall, with zero precipitation days recorded. This month typically stands out from the rest of the year, offering pleasant days where the average temperature hovers comfortably around 17°C (63°F). With humidity levels at a manageable 56%, outdoor activities can be enjoyed without the oppressive heat often found in other months. Whether you're exploring local sights or simply relaxing by the coast, July presents an ideal time to experience Callao’s charm. For more details about the overall climate, check out Callao Climate.