Last updated: August 27, 2025
May in Ayacucho, Peru presents a mild transition into the cooler months, with maximum temperatures reaching 19°C (67°F), while averages settle around a cool 9°C (49°F) and minimums dipping down to -2°C (29°F) at night. Visitors can expect a notable humidity level of 85%, contributing to a refreshing atmosphere. This month also sees 37 mm (1.5 in) of precipitation across about 12 days, making it one of the wetter periods in the region. These climatic conditions create an inviting setting for exploring Ayacucho's rich cultural heritage amid lush landscapes.
In Ayacucho, Peru, May marks a transitional phase in temperatures as the region experiences its cooler months. The average temperature hovers around 9°C (49°F), with nighttime lows dipping to a brisk -2°C (29°F), making it the month with the lowest minimum temperature of the year. Daytime highs linger around 19°C (67°F), providing a comfortable balance between cool mornings and pleasantly warm afternoons. This notable drop from the previous months signals a shift towards winter, as both April and the upcoming June maintain similar average temperatures but struggle with colder nighttime lows. Travelers should be prepared for fluctuating conditions, as May beautifully encapsulates the transition between the dry and wet seasons in Ayacucho.
In May, Ayacucho experiences a significant drop in precipitation, with just 37 mm (1.5 in) of rain over the course of 12 days. This reduction follows a wetter April that brought 70 mm, setting the stage for the drier conditions typical of late autumn. The trend of decreasing rainfall continues as the region transitions into the colder months of June and July, where averages fall to 20 mm (0.8 in) and 16 mm (0.6 in), respectively. This seasonal shift not only highlights the variability in Ayacucho's climate but also indicates a period of relative dryness after the heavy rains earlier in the year, inviting a glimpse of the striking contrast that characterizes the region’s weather patterns.
In Ayacucho, Peru, the humidity steadily declines as the year progresses, transitioning from a humid January high of 93% to a more comfortable 85% in May. This month marks a significant shift, as humidity begins to descend towards drier conditions, paving the way for a noticeable drop to 70% in June. The preceding months maintain a high average, with values hovering between 90% and 92%, creating a lush environment. However, as the region moves towards the heart of winter, humidity levels continue to decrease, reaching their lowest at 44% in August, only to rise again towards year's end. The trend highlights a dynamic climate, shifting from moisture-laden beginnings to comparatively arid conditions, providing a unique experience for visitors and residents alike.
In May, Ayacucho experiences a significant UV Index of 14, categorizing the exposure as extreme. While slightly lower than the peak levels observed from January to March, when the UV Index soared to 19, May still commands caution, with a consistent burn time of just 10 minutes. This trend reflects a gradual decline in UV intensity as the region transitions into the cooler months, yet the risk remains substantial for outdoor enthusiasts. As the UV Index fluctuates throughout the year, it’s crucial to stay informed and protect your skin under the intense sun. For a detailed look at UV trends in Ayacucho, explore the Ayacucho UV Index.
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May marks a pivotal transition in Ayacucho, Peru, where the sun shines brighter than in any previous month of the year, with an impressive 316 hours of sunshine. This increase in daylight follows a steady upward trend since January, when the region experienced only 219 hours of sunlight. As the months progress into the dry season, sun-soaked hours peak in the mid-year with July reaching a notable 321 hours. While the sunny days begin to slightly wane in September and October, the overall trend reveals a vibrant landscape where May stands proud as a herald of warmth and light, setting the stage for the sunniest months ahead.
In Ayacucho, Peru, May marks a significant uptick in the likelihood of sunny weather, boasting a 41% chance of sunshine—more than double that of April's 22%. This trend sets the stage for a brighter month, making May a delightful time to enjoy the region’s vibrant landscapes and rich culture. Following May, the chances of sunshine peak in July at an impressive 65%, suggesting that the sunny season is just beginning to unfold. As the rainy months recede, visitors can anticipate increasingly pleasant weather, with May serving as a beautiful bridge into the heart of Ayacucho's sun-kissed days.
In Ayacucho, Peru, the daylight duration displays a fascinating rhythm throughout the year. From January to March, residents enjoy a generous 12 hours of daylight, ushering in the new year with brightness and warmth. However, as spring transitions into summer, the daylight begins to shift, dipping to 11 hours from April through August. This period marks a slight reduction, giving way to longer evenings. As the seasons change once more, September to December reintroduces the warmth of 12 hours of daylight, rounding out the year with consistent brightness. This cyclical pattern highlights the balanced interplay between light and dark, offering a unique glimpse into the changing seasons of Ayacucho.
In May, Ayacucho, Peru, experiences a consistent wind pattern, with an average speed of 1.4 m/s (3 mph), mirroring the calm breezes of the preceding months. This gentle airflow sets the stage for a tranquil atmosphere, ideal for enjoying the region's stunning landscapes and rich cultural heritage. As the year progresses, a slight uptick in wind speeds can be observed from July through September, reaching a peak of 1.6 m/s (3 mph) in September before gradually declining once again. Overall, the winds in Ayacucho maintain a steady rhythm, contributing to the region's serene charm throughout the year.
Weather in Ayacucho varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ayacucho, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather between May and January, it's clear that both months bring distinct characteristics. May tends to be cooler, with temperatures ranging from a low of -2°C (29°F) to a high of 19°C (67°F) and an average of 9°C (49°F). The month sees relatively low precipitation, at 37 mm (1.5 in) over approximately 12 days, and maintains a humidity level of 85%.
In contrast, January features milder temperatures, with a minimum of 3°C (38°F), an average of 11°C (51°F), and a maximum reaching 21°C (70°F). However, it experiences significantly more rainfall, accumulating 170 mm (6.7 in) over about 24 days, alongside a higher humidity of 93%. For a detailed overview, you can check out this link: Ayacucho weather in January. Overall, January is wetter and warmer, while May offers a cooler and less humid climate.
May and February present contrasting weather patterns in terms of temperature and precipitation. In May, temperatures range from a low of -2°C to a comfortable high of 19°C, with an average of 9°C. The month experiences relatively low precipitation at 37 mm over 12 days, coupled with a humidity level of 85%. In contrast, February exhibits milder temperatures with a minimum of 1°C and a maximum of 19°C, averaging around 11°C. However, it is notably wetter, with precipitation reaching 201 mm over 26 days and a higher humidity level of 92%. For a more detailed look at February's conditions, visit Ayacucho weather in February.
When comparing the weather in March and May, a few notable differences emerge. March has slightly warmer temperatures, with a minimum of 3°C (38°F) and an average of 10°C (51°F), whereas May sees cooler conditions, with a minimum of -2°C (29°F) and an average of 9°C (49°F). Precipitation is significantly higher in March, totaling 186 mm (7.3 in) over 30 days, compared to May's 37 mm (1.5 in) over just 12 days, indicating that March is generally much wetter. Humidity also plays a role, with March exhibiting higher levels at 92% compared to May's 85%. For more information on March weather conditions, check out Ayacucho weather in March.
In comparing the weather between April and May, we see a slight increase in average temperatures, with May averaging 9°C (49°F) compared to April's 10°C (50°F). Both months reach similar maximum temperatures of around 19°C (67°F), although May features a lower minimum of -2°C (29°F) compared to April's 0°C (33°F). Precipitation is notably reduced in May, with 37 mm (1.5 in) falling over 12 days, while April sees significantly more precipitation at 70 mm (2.8 in) over 21 days. Humidity levels slightly decrease from April's 90% to May's 85%, making May feel a bit drier overall. For a detailed look at April weather, you can refer to Ayacucho weather in April.
In comparing the weather of May and June, we see a slight drop in maximum temperatures as June averages around 18°C (65°F) compared to May’s 19°C (67°F), while both months share similar minimum temperatures at -2°C (28°F for June and -2°C for May). The average temperature remains consistent at about 9°C (49°F), indicating a mild climate throughout both months. However, June experiences significantly less precipitation, with only 20 mm (0.8 in) falling over just 5 days, in contrast to May’s 37 mm (1.5 in) over 12 days. Additionally, humidity levels decrease from 85% in May to 70% in June, making June feel a bit drier. For more details on June weather, you can check Ayacucho weather in June.
In May, the weather exhibits a wider temperature range with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at a maximum of 19°C (67°F). This month also features higher precipitation levels at 37 mm (1.5 in) over about 12 days, contributing to a humidity of 85%. In contrast, July experiences slightly cooler temperatures with a minimum of -3°C (27°F) and an average of 8°C (47°F), but it remains similarly capped at 19°C (66°F) for the maximum. Notably, July boasts significantly less rainfall at only 16 mm (0.6 in) occurring over just 4 days, leading to a more comfortable humidity level of 54%. For more detailed information, you can check Ayacucho weather in July.
In comparing the weather between May and August, May presents a slightly milder climate with average temperatures reaching 9°C (49°F) and a maximum of 19°C (67°F). During this month, residents experience higher humidity levels at 85% and more frequent rain, with precipitation occurring over 12 days and totaling 37 mm (1.5 in). In contrast, August sees a drop in average temperatures to 8°C (47°F), alongside a similar maximum temperature of 19°C (66°F). This month offers a drier climate with only 24 mm (1.0 in) of rainfall spread across just 7 days and significantly lower humidity at 44%. For more details on August weather, you can check Ayacucho weather in August.
In May, temperatures range from a chilly -2°C (29°F) at night to a pleasant max of 19°C (67°F) during the day, with an average of 9°C (49°F). The month sees around 37 mm (1.5 in) of precipitation over approximately 12 days, contributing to a relatively high humidity of 85%. In contrast, September offers slightly milder conditions, with minimum temperatures of 0°C (32°F) and a similar maximum of 19°C (67°F), resulting in an average temperature of 10°C (49°F). This month also experiences more precipitation, with 43 mm (1.7 in) over about 14 days, but the humidity drops significantly to 52%. For a more detailed look at September weather in Ayacucho, you can visit Ayacucho weather in September.
May and October present distinct weather characteristics. In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 19°C (67°F), with an average of around 9°C (49°F). The month sees about 37 mm (1.5 in) of precipitation over approximately 12 days, accompanied by high humidity at 85%. In contrast, October's temperatures are slightly milder, with a minimum of -1°C (30°F), an average of 10°C (51°F), and a maximum of 21°C (71°F). However, October experiences more precipitation, totaling 76 mm (3.0 in) spread over about 20 days, with humidity lower at 65%. The overall shift from May to October indicates a rise in temperature and an increase in the number of rainy days, making October a wetter month. For more information, check out Ayacucho weather in October.
In comparing the weather of May and November, May typically features cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at 19°C (67°F). The month experiences moderate precipitation, totaling around 37 mm (1.5 in) over about 12 rainy days and a relatively high humidity of 85%. In contrast, November tends to be milder, with a minimum temperature of 4°C (39°F) and an average of 11°C (53°F), reaching a maximum of 22°C (71°F). However, November is considerably wetter, with precipitation reaching 105 mm (4.1 in) across 23 days and slightly lower humidity at 81%. For more detailed weather information, you can visit Ayacucho weather in November.
May and December in Ayacucho showcase different climatic characteristics. May typically experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), while December brings milder conditions, starting at a minimum of 2°C (35°F) and averaging 11°C (52°F).
In terms of precipitation, May sees 37 mm (1.5 in) over approximately 12 days, while December is significantly wetter, with 157 mm (6.2 in) across around 27 days. The humidity levels remain high in both months, with May at 85% and December slightly higher at 89%. For more details on the December climate, visit Ayacucho weather in December.
As May rolls into Ayacucho, the weather showcases a unique blend of mild temperatures and increased humidity compared to other months. With a maximum thermometer reading around 19°C (67°F), and a marked drop to 9°C (49°F) on average, the pleasant weather invites outdoor exploration, albeit with some cool evenings. The month also witnesses a rise in precipitation, with about 37 mm (1.5 in) of rain over approximately 12 days—a noticeable increase in rain events that adds freshness to the landscape. This mix of elements creates a rich, refreshing atmosphere that stands distinct from the drier months, making May an ideal time for experiencing the vibrant beauty of the region. For a more detailed insight into how the weather patterns evolve, explore Ayacucho Climate.