May Weather in La Merced, Peru

Last updated: August 27, 2025

In May, La Merced, Peru, experiences a mild climate characterized by a maximum temperature reaching up to 18°C (64°F) and a minimum dipping to 2°C (36°F), resulting in an average of 9°C (49°F). The region is notably humid, with humidity levels around 85%, creating a lush, vibrant atmosphere. Rainfall is prominent during this month, amassing 87 mm (3.4 in) of precipitation over approximately 21 days, making it essential for residents and visitors alike to prepare for wet weather while enjoying the picturesque scenery of La Merced.

May Temperature in La Merced

In May, La Merced experiences a distinct dip in temperatures, marking it as one of the cooler months of the year. With minimums dropping to 2°C (36°F) and an average temperature of 9°C (49°F), this time of year introduces a refreshing chill, particularly in the mornings and evenings. Although daytime highs can still reach up to 18°C (64°F), the overall trend indicates a gradual cooling as the region transitions toward winter. This cooling pattern is notable compared to the preceding months, particularly April, which maintains slightly warmer averages. As the lush surroundings begin to embrace the crisp air, May in La Merced offers a serene atmosphere perfect for exploring the scenic beauty that the area has to offer.

May Weather in La Merced: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in La Merced, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Merced, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505150504948474749505251
Data source: Temperature data for La Merced generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in La Merced

In May, La Merced, Peru experiences a noticeable decline in precipitation, receiving 87 mm (3.4 in) over 21 days. This dip follows the heavier rains of the earlier months, particularly February, which boasts the highest rainfall at 224 mm (8.8 in) across 27 days. As the region transitions into the dry season, June will bring even less rainfall, further emphasizing the shift from the lush, wet conditions of previous months. The trend highlights May as a pivotal month where the lush greenery begins to prepare for the drier times ahead, making it a fascinating bridge between seasonality and climate in this vibrant part of Peru.

May Precipitation Trends in La Merced

The chart displays monthly precipitation patterns in La Merced, 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 La Merced, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1832241901178756495683116151183
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Merced

In May, La Merced, Peru, experiences a notable dip in humidity, reaching 85%, signaling the gradual transition towards the drier months ahead. This trend of decreasing humidity is consistent, as it marks the continuation of a steady decline from the peaks of 93% in January to 90% in April. The shift indicates the onset of a drier season, paving the way for a refreshing change as the region approaches June, where humidity drops further to 70%. This fluctuation not only impacts the local climate but also enhances the vibrant biodiversity that thrives in the area, allowing both nature and inhabitants to flourish in a more comfortable environment.

May Average Humidity in La Merced

This chart illustrates the average monthly humidity levels in La Merced, 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 La Merced is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in La Merced

In May, La Merced, Peru, experiences a significant UV index of 14, maintaining its designation in the extreme exposure category, with a consistent burn time of only 10 minutes. This trend reflects the region's intense sunlight as the year progresses; despite a slight decrease from the peak values seen earlier in the year—where the UV index climbed to 19—the risk remains high. As we move through the months, the UV index steadily declines, with June seeing a value of 12, yet it is essential for residents and visitors alike to remain vigilant against sunburn. Preparing for outdoor activities with adequate sun protection is crucial during this period. For more detailed insight into the UV conditions throughout the year, visit La Merced UV Index.

Maximum UV Index Levels in La Merced for May

The chart shows the monthly maximum UV Index (UVI) for La Merced 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 La Merced typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919171412131416181818
Data source: La Merced 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 La Merced

May unveils a spectacular blend of warmth and radiance in La Merced, Peru, boasting an impressive 314 hours of sunshine. This surge marks a delightful continuation of the upward trend from the previous months, where daylight gradually increased from 209 hours in January to 279 hours in April. The vibrant sunshine in May not only enhances the natural beauty of the region but also prepares it for the even sunnier days ahead, as June and July follow closely with 296 hours and 318 hours respectively. As the year progresses, La Merced showcases an inviting tapestry of light that captivates both residents and visitors alike, making it an ideal time to explore this lush gem in the heart of Peru.

Monthly Sunshine Duration in La Merced: May Highlighted

The May sunshine duration represents the total number of hours La Merced 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.
JanFebMarAprMayJunJulAugSepOctNovDec209h229h260h279h314h296h318h326h311h306h256h255h
Data source: La Merced May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Merced During May

In La Merced, Peru, the likelihood of enjoying sunny weather in May marks a notable transition, with a 28% chance of sunshine, making it one of the brighter months of the year. This increase from just 15% in April is indicative of a trend towards sunnier skies as the dry season approaches. Following May, the sunny probability dips slightly in June to 21%, before climbing again through the winter months, peaking at 39% in July. As such, May serves as a delightful entrée to a period of increased brightness, perfect for exploring the lush landscapes and vibrant culture of this picturesque region.

Percentage of Sunny Days in May in La Merced

The chart illustrates the percentage of sunny days in La Merced 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 La Merced experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%6%5%15%28%21%39%33%28%18%4%8%
Data source: La Merced May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Merced in May

In La Merced, Peru, the daylight duration exhibits a consistent rhythm throughout the year. From January to March, residents enjoy a generous 12 hours of sunlight daily, creating a vibrant atmosphere perfect for outdoor activities. As April arrives, the daylight begins to wane slightly, settling at 11 hours, a trend that continues through May and into the winter months. This steady amount of light fosters a cozy yet productive environment during the cooler season. As spring approaches in September, daylight returns to 12 hours, sweeping the region back into brightness and vitality. This cyclical pattern demonstrates La Merced’s unique balance of light and dark, inviting both celebration and reflection throughout the year.

Average Daylight Hours in La Merced for May

The chart illustrates the variation in daylight duration in La Merced throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 45m12h 29m12h 8m11h 47m11h 30m11h 22m11h 26m11h 41m12h 1m12h 22m12h 41m12h 51m
Data source: La Merced daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in La Merced

In La Merced, Peru, the month of May continues the trend of gentle breezes that characterize the region. With an average wind speed of 1.0 m/s (2 mph), the winds remain consistently calm, mirroring the pattern observed throughout the previous months of April and June. This stable wind environment, marked by minimal fluctuations, creates a serene atmosphere ideal for outdoor activities and appreciating the lush landscapes. As the year progresses, the wind speeds show only slight variations, hovering around the 1.0 to 1.2 m/s mark, underscoring La Merced's refreshing yet tranquil climate.

Average May Wind Speed in La Merced

The chart displays monthly wind speed patterns in La Merced, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.11.11.01.0 m/s1.01.01.11.11.11.01.1
Data source: La Merced May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in La Merced Compares to Other Months

Weather in La Merced varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in La Merced, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in May to January, we see some notable differences. May typically experiences slightly lower temperatures, with a minimum of 2°C (36°F) and an average of 9°C (49°F), while January tends to be milder, with minimum temperatures around 4°C (40°F) and an average of 10°C (51°F). Despite both months having a maximum temperature of 18°C (65°F), January is generally wetter, receiving 182 mm (7.2 in) of precipitation over 25 days, compared to May's 87 mm (3.4 in) over just 21 days. Additionally, January has higher humidity at 93%, compared to May's 85%. For more detailed information, check La Merced weather in January.

When comparing the weather between February and May, we see some notable differences. February tends to be slightly warmer, with minimum temperatures around 5°C (41°F) and maximums reaching 18°C (65°F), while May's minimum is lower at 2°C (36°F) and average temperatures sit at 9°C (49°F). However, February experiences significantly more precipitation, totaling 224 mm (8.8 in) over 27 days, compared to May's 87 mm (3.4 in) over 21 days. Humidity levels are also higher in February at 92%, compared to 85% in May. For those interested in more details about February weather, you can find additional information here: La Merced weather in February.

In comparing the weather between March and May, we observe some notable differences. March typically has a slightly warmer average temperature, peaking at 17°C (63°F) compared to May's maximum of 18°C (64°F). However, May experiences a wider range of temperatures, with lows dipping to 2°C (36°F), while March has a minimum of 5°C (42°F). Additionally, precipitation is significantly higher in March, with 190 mm (7.5 in) over 30 days, contrasting sharply with May's 87 mm (3.4 in) across 21 days. Humidity levels also remain higher in March at 92%, compared to May's 85%. For more detailed insights about March weather, you can visit La Merced weather in March.

In comparing the weather between April and May, one notable difference is the temperature range. While both months share a maximum temperature of 18°C (64°F), May starts off slightly cooler with a minimum temperature of 2°C (36°F), compared to April's minimum of 4°C (39°F). The average temperature remains similar, with May at 9°C (49°F) and April at 10°C (50°F). Precipitation levels also differ, with May receiving 87 mm (3.4 in) over 21 days, whereas April sees a higher precipitation total of 117 mm (4.6 in) across 26 days. Additionally, humidity slightly decreases in May to 85%, down from April's 90%. For more detailed insights, you can check La Merced weather in April.

May and June exhibit some notable differences in weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 18°C (64°F), with an average temperature of 9°C (49°F). The month sees substantial precipitation at 87 mm (3.4 in) over 21 days, accompanied by high humidity levels at 85%. In contrast, June experiences slightly cooler conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 16°C (61°F) and an average of 9°C (48°F). Rainfall decreases significantly to 55 mm (2.2 in) across just 13 days, and humidity drops to a more comfortable 70%. For more specific information about weather conditions during this month, check La Merced weather in June.

May and July present distinct differences in weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 18°C (64°F), with an average temperature of 9°C (49°F). The month experiences considerable rainfall, totaling 87 mm (3.4 in) over 21 days, and high humidity at 85%. In contrast, July is cooler, with a temperature range of 0°C (32°F) to 17°C (63°F) and a slightly lower average of 8°C (47°F). Additionally, July sees significantly less precipitation at 49 mm (1.9 in) over just 10 days, accompanied by lower humidity levels of 54%. This more stable weather in July can often be more pleasant for outdoor activities. For a detailed look at July's climate, you can explore La Merced weather in July.

May and August present notably different weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 18°C (64°F), with an average of 9°C (49°F). The month is characterized by higher precipitation levels, totaling 87 mm (3.4 in) across 21 days, leading to a high humidity of 85%. In contrast, August sees cooler temperatures with a minimum of 0°C (32°F), an average of 8°C (47°F), and a maximum of 17°C (63°F). Precipitation in August is lower, at 56 mm (2.2 in), and occurs over 15 days, accompanied by a significantly reduced humidity of 44%. For more detailed information, you can check La Merced weather in August.

The weather in May and September showcases subtle yet notable differences. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 18°C (64°F), with an average of 9°C (49°F). This month experiences higher humidity levels at 85% and considerable precipitation, averaging 87 mm (3.4 in) over about 21 days. In contrast, September sees slightly milder temperatures, with a minimum of 3°C (37°F), an average of 9°C (49°F), and a maximum of 17°C (63°F). Precipitation is slightly lower at 83 mm (3.3 in) over 20 days, accompanied by significantly reduced humidity at 52%. This shift from May to September reflects a transition towards drier and cooler conditions. For further details on September weather, visit La Merced weather in September.

In comparing the weather of May and October, we see a gradual shift in temperatures and precipitation patterns. May features a minimum temperature of 2°C (36°F) and an average of 9°C (49°F), peaking at a maximum of 18°C (64°F). The month receives 87 mm (3.4 in) of rainfall spread over 21 days, accompanied by a high humidity level of 85%. In contrast, October offers a slightly warmer minimum of 3°C (38°F) and an average of 10°C (50°F), with a maximum reaching 20°C (67°F). However, it experiences more rain, accumulating 116 mm (4.6 in) over 26 days, alongside lower humidity at 65%. The weather in October tends to be wetter and slightly warmer compared to May. For more details on October weather, you can check La Merced weather in October.

When comparing the weather in May and November, we see some distinct differences. May features cooler temperatures with a minimum of 2°C (36°F) and an average of 9°C (49°F), while November is slightly warmer, with a minimum of 4°C (39°F) and an average of 11°C (52°F). Precipitation levels are notably higher in November, reaching 151 mm (6.0 in) over 28 days compared to May’s 87 mm (3.4 in) over 21 days, making November generally a wetter month. Humidity levels remain relatively high in both months, at 85% in May and 81% in November, but the cooler temperatures in May can often make that humidity feel more pronounced. For more detailed weather insights, you can check La Merced weather in November.

In May, temperatures in La Merced display a gradual warming trend, with a minimum of 2°C (36°F) and an average of 9°C (49°F), reaching a maximum of 18°C (64°F). The month experiences moderate rainfall, totaling 87 mm (3.4 in) over 21 days, and humidity sits at a relatively high 85%.

In contrast, December sees slightly warmer temperatures with a minimum of 5°C (42°F) and an average of 11°C (52°F), peaking at 19°C (67°F). Precipitation in December is significantly higher, with 183 mm (7.2 in) over 28 days, accompanied by an increase in humidity to 89%. For more information on December weather, visit La Merced weather in December.

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Conclusion: What to Expect From May Weather in La Merced

As May rolls into La Merced, the weather showcases a distinct shift from the preceding months, characterized by cooler temperatures and increased humidity. With a notable rise in precipitation, this month often sees an abundance of rainy days, making it a significant departure from the drier climate of earlier months. This combination of cooler average temperatures and high humidity creates a fresh, invigorating atmosphere, perfect for experiencing the lush greenery that flourishes during this wetter season. For more details on how May fits into the broader climate spectrum, explore La Merced Climate.