Last updated: August 27, 2025
May in Colca, Peru, offers a variety of weather experiences, characterized by mild daytime temperatures averaging around 9°C (48°F) and peaking at a maximum of 19°C (66°F). As the month progresses, nights can get quite chilly, dipping to a minimum of -2°C (28°F). You can expect about 44 mm (1.7 in) of precipitation over 12 days, bringing a notable humidity level of 85% that enhances the region's lush vegetation. Whether you're exploring the breathtaking landscapes or enjoying the local culture, May in Colca is a month that awaits with diverse weather patterns and stunning natural beauty.
In May, temperatures in Colca, Peru begin to shift, offering a mild respite as the region transitions from the cooler months. The minimum temperature hovers around -2°C (28°F), while the average climbs slightly to 9°C (48°F), peaking at a comfortable maximum of 19°C (66°F). This slight warming trend contrasts with the earlier months of April, where temperatures dipped as low as -3°C (27°F). As May progresses, the days become more pleasant, providing a welcome environment for exploration and adventure amidst the stunning landscapes of Colca.
In May, the precipitation in Colca, Peru, drops to a modest 44 mm (1.7 in), marking a significant decline after the wet months preceding it. This month sees only 12 days of rainfall, contrasting sharply with the higher counts in the earlier months of March and February, which boasted nearly continuous rain. The transition into June heralds an even drier phase, with rainfall plummeting to just 14 mm (0.5 in). This clear shift showcases the region's seasonal rhythm, where May acts as a brief lull before the arid conditions of winter settle in, allowing for a moment of respite amid the mountainous landscape.
In Colca, Peru, May marks a transition in the region's humidity, dipping to 85% from the consistently high levels seen earlier in the year. While January through April experience humidity hovering around 90% or above, signaling a moist atmosphere, May is the beginning of a more breathable environment, paving the way for the drier months ahead. Following May, a significant drop to 70% in June initiates a drier period, as the region prepares for its peak dryness in July and August, where humidity plummets to 54% and 44%, respectively. This gradual decrease not only makes May a more comfortable time for visitors but also sets the stage for the sunny days of mid-year.
In May, the UV Index in Colca, Peru stands at 14, maintaining the trend of extreme exposure that stretches from January through April. While this represents a slight decrease from the peak values of the earlier months, the burn time remains a quick 10 minutes, emphasizing the need for sun protection. This notable pattern of high UV levels aligns with the region's intense sunlight, encouraging visitors and locals alike to stay vigilant. As we transition into the winter months, it's essential to continue monitoring UV levels, particularly because June and July also feature values that signify extreme exposure. For more detailed information, consider exploring Colca UV Index.
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May marks a delightful peak in sunshine hours in Colca, Peru, with 313 hours of radiant light flooding the region. As the season transitions from the cooler months of April, where sunshine hours rise steadily to 285, the warmth of May provides a distinctive charm that invites exploration and outdoor activities. This trend of increasing daylight continues into the latter half of the year, reaching a high of 328 hours in August, making Colca an ideal destination for sun seekers. The consistent rise from the beginning of the year, starting at 228 hours in January and culminating in a sunny May, highlights the region's gradual shift towards longer, brighter days that embrace the beauty of the Andean landscape.
In Colca, Peru, the likelihood of sunny weather experiences a noteworthy uplift as spring transitions into early summer. While January and March see a meager 8% and 7% chance of sunshine, the weather begins to shift in April with a rising 24%. By May, this figure jumps dramatically to 42%, signaling a significant improvement in sunny days that can be enjoyed by locals and visitors alike. This trend continues into June and July, where the chances of sunshine peak at 39% and 64%, respectively, creating a fantastic window for outdoor adventures amid the region's stunning landscapes. As the months progress toward autumn, the likelihood dips again, but May stands out as a bright spot for those seeking favorable weather.
In Colca, Peru, daylight duration showcases a fascinating rhythm throughout the year. From January to March, the region basks in a splendid 12 hours of daylight, presenting an ideal backdrop for exploration and adventure. As April arrives, however, the days begin to shorten, dipping to 11 hours—a trend that continues from May through August, offering a slight shift in the atmosphere as the seasons transition. Yet, come September, daylight joyfully resurges back to 12 hours, re-energizing the landscape. This cycle beautifully illustrates the area's climatic patterns, where natural light ebbs and flows, mirroring the stunning beauty of the Colca Canyon throughout the year.
In May, the winds in Colca, Peru, pick up slightly, maintaining an average speed of 1.1 m/s (3 mph). This month reflects a subtle trend of increasing wind strength as the year progresses; from May onward, average wind speeds gradually rise to a peak of 1.4 m/s (3 mph) in September, showcasing a dynamic shift in the region's climatic conditions. The consistency observed from January to April, where wind speeds stabilize at 1.1 m/s (with variations between 2 and 3 mph), hints at the calm before the gentle gusts of the dry season. As spring yields to winter, adventurers can expect a refreshing breeze, making May an ideal time to explore the stunning landscapes of Colca amidst its changing winds.
Weather in Colca varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Colca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, we see some notable differences. May experiences slightly cooler temperatures with a minimum of -2°C (28°F) and an average of 9°C (48°F), whereas January has a milder minimum of 2°C (36°F) and an average of 10°C (51°F). Additionally, January sees significantly higher precipitation, totaling 209 mm (8.2 in) over 23 days, compared to May's 44 mm (1.7 in) over just 12 days. The humidity levels are also higher in January at 93%, compared to 85% in May. For more details about January weather, you can check out the link: Colca weather in January.
When comparing the weather in May and February, significant differences emerge, particularly in terms of precipitation and humidity. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 19°C (66°F), with an average of 9°C (48°F). The month sees relatively low precipitation, totaling 44 mm (1.7 in) over 12 days, and humidity is at 85%. In contrast, February experiences slightly warmer temperatures, with minimums at 0°C (32°F) and maximums reaching 19°C (66°F), averaging 10°C (51°F). However, February is notably wetter, receiving 230 mm (9.1 in) of rain across 27 days, and higher humidity at 92%. For more details on February weather, visit Colca weather in February.
May and March exhibit distinct weather patterns, with May offering milder temperatures and lower precipitation levels. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 19°C (66°F), with an average of 9°C (48°F). This month sees about 44 mm (1.7 in) of rainfall spread over 12 days and an overall humidity of 85%. In contrast, March experiences slightly warmer temperatures, with minimums of 3°C (37°F), averages at 10°C (51°F), and maximums reaching 18°C (65°F). However, it is significantly wetter, recording 250 mm (9.8 in) of precipitation over 30 days, alongside higher humidity levels of 92%. For a closer look at weather specifics, including precipitation details, visit Colca weather in March.
In comparing the weather of April and May, we see some notable differences. In April, temperatures ranged from a minimum of -3°C (27°F) to a maximum of 18°C (65°F), with an average temperature of 10°C (50°F). The month experienced more precipitation, totaling 83 mm (3.3 in) over 19 days, and had a humidity level of 90%. In contrast, May brought slightly milder temperatures, with a minimum of -2°C (28°F), an average of 9°C (48°F), and a maximum of 19°C (66°F). Precipitation decreased to 44 mm (1.7 in) spread across 12 days, while humidity remained relatively high at 85%. For more detailed insights, check out Colca weather in April.
In May, the weather features a wider temperature range with a minimum of -2°C (28°F) and a maximum of 19°C (66°F), resulting in an average temperature of 9°C (48°F). This month also experiences more precipitation, totaling 44 mm (1.7 in) over 12 days, coupled with high humidity at 85%. In contrast, June sees slightly cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 18°C (64°F), averaging 8°C (47°F). Additionally, June is much drier, receiving only 14 mm (0.5 in) of rain across just 4 days, and lower humidity levels at 70%. For more detailed information about the weather in June, you can visit Colca weather in June.
In May, the weather tends to be cooler and more variable, with average temperatures around 9°C (48°F) and a maximum of 19°C (66°F). This month also experiences higher humidity at 85% and more frequent precipitation, averaging 44 mm (1.7 in) over approximately 12 days. In contrast, July presents a slightly colder climate, with an average temperature of 8°C (47°F) and a similar maximum of 19°C (66°F), but it exhibits significantly lower humidity at 54%. Additionally, July features much less rainfall, with just 15 mm (0.6 in) occurring over about 3 days. For more details on the weather in July, you can check Colca weather in July.
In May, the weather is characterized by milder temperatures, with a minimum of -2°C (28°F) and an average of 9°C (48°F), reaching a maximum of 19°C (66°F). This month also experiences higher humidity levels at 85%, along with 44 mm (1.7 in) of precipitation spread over 12 days. In contrast, August sees slightly chillier temperatures, with a minimum of -5°C (23°F) but maintaining the same average and maximum temperatures as May. However, August is significantly drier, with only 22 mm (0.9 in) of precipitation over just 6 days, and humidity drops drastically to 44%. For more details on the weather during this month, you can check Colca weather in August.
May and September present a slight transition in weather patterns, with both months experiencing cool temperatures. In May, the average temperature ranges from a chilly -2°C (28°F) at night to a mild 19°C (66°F) during the day, coupled with higher humidity at 85%. This month sees about 44 mm (1.7 in) of precipitation spread over 12 days. Conversely, September offers a bit warmer average, with temperatures ranging from -1°C (31°F) to a comfortable 20°C (67°F). However, it has slightly more precipitation at 52 mm (2.1 in) over 14 days and significantly lower humidity at 52%. For those interested in exploring more about September's climate, check out Colca weather in September.
May typically experiences milder temperatures compared to October, with averages around 9°C (48°F) and maximums reaching 19°C (66°F). In contrast, October sees an average temperature of 10°C (51°F), peaking at 21°C (69°F). However, October is notably wetter, with precipitation totaling 107 mm (4.2 in) over 22 days, compared to May's 44 mm (1.7 in) over 12 days. The humidity levels also differ significantly; while May has a high humidity of 85%, October's humidity is more comfortable at 65%. For more insights into weather conditions during this month, check out Colca weather in October.
May and November exhibit distinct weather patterns, with May generally presenting cooler temperatures. In May, the minimum temperature can drop to -2°C (28°F), while the average hovers around 9°C (48°F), peaking at 19°C (66°F). This month also experiences moderate precipitation, totaling 44 mm (1.7 in) over 12 days, accompanied by a high humidity level of 85%. On the other hand, November sees slightly milder temperatures, with a minimum of 0°C (33°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). However, it also tends to be wetter, with 138 mm (5.4 in) of rain spread across 21 days, and humidity slightly lower at 81%. For a more detailed look at November weather, check out Colca weather in November.
In comparing the weather between May and December, we can see some notable differences. May tends to have cooler temperatures, with an average of 9°C (48°F) and a maximum of 19°C (66°F), while December sees a slightly warmer average of 11°C (52°F) and a peak of 21°C (69°F). Precipitation markedly increases in December, with 219 mm (8.6 in) falling over 26 days compared to May's 44 mm (1.7 in) across 12 days, suggesting that December is significantly wetter and cloudier. Additionally, humidity levels are higher in December, averaging 89% versus May’s 85%. For more details on December weather, you can check Colca weather in December.
In May, Colca experiences a unique character compared to other months, marked by a noticeable transition as temperatures remain moderate yet cool, with crisp mornings and refreshing evenings. While daytime warmth reaches a pleasant level, nighttime chills remind visitors of the region's elevation. The month is characterized by increased precipitation, as rain showers grace the area roughly half of the month, creating a lush landscape that contrasts with the drier seasons. Coupled with high humidity, these conditions can make for a refreshing experience, especially for those eager to explore the striking natural beauty of Colca. For a deeper understanding of the climate, check out our detailed section on Colca Climate.