May Weather in Alto Mayo, Peru

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.

May Temperature in Alto Mayo

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.

May Weather in Alto Mayo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Alto Mayo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto Mayo, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec666666666665646465666767
Data source: Temperature data for Alto Mayo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Alto Mayo

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 Precipitation Trends in Alto Mayo

The chart displays monthly precipitation patterns in Alto Mayo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Alto Mayo, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec291247352257188134916989195268281
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Alto Mayo

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.

May Average Humidity in Alto Mayo

This chart illustrates the average monthly humidity levels in Alto Mayo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Alto Mayo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%85%87%88%73%51%44%49%71%77%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alto Mayo

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.

Maximum UV Index Levels in Alto Mayo for May

The chart shows the monthly maximum UV Index (UVI) for Alto Mayo in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Alto Mayo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718171412121315161515
Data source: Alto Mayo May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Alto Mayo

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.

Monthly Sunshine Duration in Alto Mayo: May Highlighted

The May sunshine duration represents the total number of hours Alto Mayo experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec210h249h244h256h293h287h313h324h312h284h252h288h
Data source: Alto Mayo May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alto Mayo During May

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.

Percentage of Sunny Days in May in Alto Mayo

The chart illustrates the percentage of sunny days in Alto Mayo throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Alto Mayo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%10%8%16%37%30%49%40%35%20%11%15%
Data source: Alto Mayo May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alto Mayo in May

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.

Average Daylight Hours in Alto Mayo for May

The chart illustrates the variation in daylight duration in Alto Mayo throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 24m12h 16m12h 6m11h 57m11h 50m11h 46m11h 48m11h 54m12h 3m12h 13m12h 22m12h 26m
Data source: Alto Mayo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds 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.

Average May Wind Speed in Alto Mayo

The chart displays monthly wind speed patterns in Alto Mayo, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.11.11.2 m/s1.11.31.41.31.21.41.4
Data source: Alto Mayo May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Alto Mayo Compares to Other Months

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.

Compare Alto Mayo's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Alto Mayo

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.