Last updated: August 27, 2025
May in Alto Mayo, Peru is characterized by a mild and humid climate, with average temperatures hovering around 19°C (66°F), peaking at 27°C (81°F) and dipping to a cooler 12°C (53°F) at night. The region experiences significant precipitation, totaling 188 mm (7.4 in) over the month, with 29 wet days contributing to the lush landscapes that Alto Mayo is known for. With humidity levels reaching an impressive 88%, May is a time when nature thrives, making it a captivating moment for those looking to explore this stunning part of Peru.
In Alto Mayo, Peru, the weather in May continues to showcase the region's mild climate, characterized by a minimum temperature of 12°C (53°F), an average of 19°C (66°F), and a comfortable maximum of 27°C (81°F). This pattern reflects the previous months, maintaining stability in temperature with no significant fluctuations. As the transition from the wet season approaches, early May still carries a mild warmth that makes it ideal for exploring the lush landscapes. Notably, as spring unfolds, the drop in minimum temperatures hints at the cooler months ahead, but overall, May remains pleasantly warm, making it a great time for outdoor adventures in this rich ecological zone.
In May, the Alto Mayo region of Peru experiences a notable decrease in precipitation, with 188 mm (7.4 in) of rainfall accumulated over 29 days. This marks a shift from the heavier showers seen in prior months, such as March, which recorded a peak of 352 mm (13.9 in). The decline in rain is indicative of the transition towards the drier months of the year, setting the stage for the lower averages observed in June through August. Despite the reduction, May remains relatively wet compared to the late winter months, continuing to nourish the lush, biodiverse surroundings of this unique ecosystem.
May in Alto Mayo, Peru, ushers in a peak in humidity, reaching an average of 88%, which marks it as one of the wettest months of the year. This rise follows a gradual increase from April's 87%, highlighting a trend of escalating moisture as the region transitions into the heart of its rainy season. As we move into June, humidity takes a notable dip to 73%, suggesting that the heavy rains will soon taper off. Overall, the month of May serves as a pivotal moment in the climatic rhythm of Alto Mayo, where elevated humidity levels foster the lushness of its diverse ecosystems.
In May, Alto Mayo experiences a UV Index of 14, categorized as extreme, with a burn time of just 10 minutes. This continues a trend established in the months preceding May, where UV Index values consistently soar above 12, peaking at 18 in March. While May shows a slight decrease compared to previous months, it still highlights the necessity of taking protective measures against sun exposure. As we transition into June, the UV Index dips further to 12, suggesting a slight reprieve, yet remains in the extreme category. For detailed information on UV intensity throughout the year, visit Alto Mayo UV Index.
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May brings a remarkable burst of sunshine to Alto Mayo, Peru, as the region basks in 293 hours of brilliant daylight—an uplifting increase compared to the preceding months. Following a steady rise from 256 hours in April, May marks a significant transition into the sun-soaked days that characterize the region's late autumn. This upswing in sunshine not only enhances the lush landscape but also fuels outdoor activities, inviting locals and visitors alike to enjoy the vibrant nature. As we transition toward the warmer months of June and July, when sunlight peaks at 313 hours, May serves as the perfect prelude, celebrating longer, brighter days and the beauty of Alto Mayo's ecosystem.
As we transition into May, the likelihood of experiencing sunny weather in Alto Mayo, Peru significantly increases, with a 37% chance of sun. This month stands out as a turning point compared to the earlier months of the year, where the chances of sunny days were notably lower, with rates plunging to as low as 8% in March. Following May, the sunny probabilities continue to fluctuate, peaking in July at 49%, before gradually tapering off again into late autumn. The upward trend in May not only marks a welcome shift towards brighter days but also sets the stage for a more vibrant and enjoyable experience in the region as the dry season approaches.
In Alto Mayo, Peru, the patterns of daylight duration reveal a fascinating rhythm throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, creating an atmosphere of vibrant energy. As the season progresses into April, daylight begins to decline slightly to 11 hours, a trend that extends through the following months of May to August, culminating in a period of more subdued light. This consistent 11-hour span provides an inviting setting for the lush landscapes of the region. However, with the arrival of September, daylight durations bounce back to 12 hours, signaling a return to longer days and the promise of renewed vitality as the year winds down towards the bustling months of October and November. This interplay of light serves not only as a marker of time but also as a vital part of the life cycle in Alto Mayo.
In May, the wind in Alto Mayo, Peru, maintains a gentle presence with an average speed of 1.2 m/s (3 mph). This slight breeze is characteristic of the region, as winds tend to hover around similar speeds throughout the early months. January and February kick off the year with consistent 1.3 m/s, while both March and April see a subtle dip to 1.1 m/s. As the year progresses, there’s a slight uptick in wind speed during the mid-year months, peaking at 1.4 m/s in August and November. Overall, May reflects a stable transition from April's calm, contributing to a serene atmosphere that envelops Alto Mayo during this time of year.
Weather in Alto Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Alto Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January in Alto Mayo have similar average temperatures, both hovering around 19°C (66°F), but they differ significantly in terms of rainfall and humidity. In May, the temperatures range from a minimum of 12°C (53°F) to a maximum of 27°C (81°F), with 188 mm (7.4 in) of precipitation spread over 29 days, leading to a high humidity of 88%. In contrast, January sees slightly higher temperatures, with a range from 13°C (55°F) to 28°C (83°F), but it experiences greater precipitation of 291 mm (11.5 in) over 25 days, resulting in slightly less humidity at 82%. For more specific details about January weather, you can visit Alto Mayo weather in January.
When comparing the weather in May and February, both months display similar average temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 27°C (81°F). However, February tends to be slightly wetter, with a total precipitation of 247 mm (9.7 in) over 27 days, compared to May's 188 mm (7.4 in) across 29 days. Additionally, May experiences higher humidity levels at 88%, while February maintains a slightly lower humidity of 80%. For a detailed look at February weather conditions, check this link: Alto Mayo weather in February.
When comparing the weather in May and March, both months showcase similar average temperatures, hovering around 19°C (66°F), with maximums reaching 27°C (81°F). However, March tends to be slightly more humid, with 85% humidity compared to May's 88%. Precipitation is notably higher in March, with 352 mm (13.9 in) over 31 days, compared to May's 188 mm (7.4 in) over 29 days. These factors contribute to a wetter and potentially more uncomfortable climate in March. For more detailed information, check out Alto Mayo weather in March.
In comparing the weather between April and May, both months experience similar average temperatures, hovering around 19°C (66°F), with maximums peaking at 27°C (81°F). However, May tends to be slightly warmer, with minimum temperatures averaging 12°C (53°F) compared to April's 13°C (55°F). Notably, April receives more precipitation, totaling 257 mm (10.1 in) over 29 days, while May sees a decrease to 188 mm (7.4 in) of rain, also over 29 days. The humidity remains relatively stable, with April at 87% and May slightly higher at 88%. For more detailed information, check out Alto Mayo weather in April.
In comparing the weather of May and June, we see notable differences in temperature and precipitation. May experiences warmer temperatures, with an average of 19°C (66°F), compared to June's slightly cooler average of 18°C (65°F). While May has a higher maximum temperature of 27°C (81°F) versus June’s 26°C (79°F), it also sees significantly more precipitation, totaling 188 mm (7.4 in) over 29 days, compared to June’s 134 mm (5.3 in) over 24 days. Additionally, the humidity in May is notably higher at 88%, while June’s humidity drops to a more comfortable 73%. For a detailed look at the weather specifics for June, check out Alto Mayo weather in June.
In comparing the weather between May and July, we see notable differences in temperature and precipitation. May experiences a warmer range with minimum temperatures of 12°C (53°F) and maximum temperatures reaching up to 27°C (81°F), while July is slightly cooler, with a minimum of 10°C (50°F) and a maximum of 26°C (79°F). Additionally, May is characterized by higher precipitation levels, receiving 188 mm (7.4 in) over 29 days, compared to July's 91 mm (3.6 in) across 20 days. The humidity in May is significantly higher at 88%, while in July it drops to a more moderate 51%. For those interested in the specific weather patterns of July, you can find more details here: Alto Mayo weather in July.
In May, the weather tends to be quite humid and wet, with an average temperature of 19°C (66°F) and high humidity levels around 88%. The month sees considerable rainfall, accumulating to 188 mm (7.4 in) over 29 days, making it one of the wetter months. In contrast, August experiences milder conditions with an average temperature of 18°C (65°F), but the humidity significantly drops to 44%. Precipitation in August is also much lower at 69 mm (2.7 in) spread over 16 days. For a more detailed look at the weather conditions in August, you can check Alto Mayo weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 27°C (81°F), with an average temperature of 19°C (66°F). The month is characterized by higher precipitation, totaling 188 mm (7.4 in) over 29 days, alongside a high humidity level of 88%. In contrast, September sees slightly cooler conditions, with a minimum temperature of 10°C (51°F) and a maximum of 28°C (83°F), maintaining the same average temperature of 19°C (66°F). However, it experiences considerably less rainfall, with only 89 mm (3.5 in) over 20 days and notably lower humidity at 49%. For more detailed information on September weather, visit Alto Mayo weather in September.
Both May and October exhibit similar temperature ranges, with minimums around 12°C (53°F) and average temperatures hovering around 19°C (66°F). However, October tends to have a slightly higher maximum temperature of 28°C (82°F), compared to May's 27°C (81°F). Precipitation levels are notably high in both months, with May recording 188 mm (7.4 in) and October slightly higher at 195 mm (7.7 in), and both months experience rainfall on about 29 days. While May has a higher humidity level at 88%, October's humidity drops to a more comfortable 71%. For more specific weather details, check out Alto Mayo weather in October.
In May, the weather features a similar temperature range compared to November, with minimums around 12°C (53°F), average highs of 19°C (66°F), and maximums reaching 27°C (81°F). However, May is characterized by higher humidity levels at 88%, which can make the warm days feel muggy. Additionally, May experiences 188 mm (7.4 in) of precipitation over 29 days, while November sees a notable increase in rainfall, totaling 268 mm (10.5 in), also spread over 29 days. This results in drier air in November with a humidity level of 77%, leading to potentially more comfortable conditions despite the higher rainfall. For more detailed weather information in November, visit Alto Mayo weather in November.
May and December in Alto Mayo present similar temperature ranges, with average temperatures hovering around 19°C (67°F) and maximums peaking at 27°C (81°F). However, May tends to be slightly more humid at 88%, compared to December's 85%. Notably, December experiences more rainfall, with a total precipitation of 281 mm (11.1 in) over 30 days, compared to May's 188 mm (7.4 in) over 29 days. This difference in precipitation highlights the wetter conditions often seen in December, impacting outdoor activities during that month. For more detailed information, you can visit Alto Mayo weather in December.
As May unfolds in Alto Mayo, the region experiences a notable shift in weather patterns. With high humidity at 88% and a significant uptick in precipitation, this month is characterized by its frequent rainy days, making it one of the wetter periods of the year. While temperatures remain mild, the average warmth creates a lush environment that contrasts with the drier months. This combination of maximal comfort and abundant rainfall not only shapes the landscape but also influences local activities and tourism. For a deeper dive into the annual weather patterns, explore the full details at Alto Mayo Climate.