May Weather in La Merced, Peru

Last updated: August 27, 2025

In May, La Merced, Peru experiences a cool and wet climate, with maximum temperatures reaching 14°C (58°F) and an average of 7°C (44°F). The region witnesses a significant amount of rainfall, totaling 147 mm (5.8 in) over 28 days, contributing to the high humidity levels of 84%. This combination of cooler temperatures and persistent precipitation creates a lush environment, making May a uniquely refreshing time to explore La Merced's natural beauty.

May Temperature in La Merced

In May, La Merced, Peru, experiences a slight warming trend as temperatures begin to stabilize, with a minimum of -1°C (31°F) and an average of 7°C (44°F). While the maximum temperature hovers around 14°C (58°F), the overall climate remains cool and consistent, akin to the preceding months. Compared to the chillier temperatures of earlier spring, May offers a gentle respite, signaling a transition towards slightly milder conditions as the year progresses. This subtle elevation in temperature provides an inviting atmosphere for both locals and visitors, making it an ideal time to explore the lush landscapes without the extremes of winter’s cold.

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).
JanFebMarAprMayJunJulAugSepOctNovDec434443434443434343434444
Data source: Temperature data for La Merced 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 La Merced

In May, La Merced experiences a notable shift in its precipitation patterns, with rainfall amounting to 147 mm (5.8 in) over 28 days—a significant decrease compared to the heavier downpours of the preceding months. This reduction marks a transition from the peak rainy season, as April boasted 223 mm (8.8 in) of rainfall, while March saw even higher totals at 355 mm (14.0 in). As the region moves into June, a substantial drop is evident, with precipitation plummeting to just 71 mm (2.8 in), setting the stage for a drier climate in the upcoming months. Thus, May serves as a bridge, showcasing the tail end of the wet season before the drier months take hold.

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.
JanFebMarAprMayJunJulAugSepOctNovDec255288355223147716676162205189257
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Merced

As May arrives in La Merced, Peru, the climate begins to shift noticeably. With an average humidity of 84%, it's a slight drop from the more humid previous months, yet still indicative of the region's lush environment. This decrease marks the beginning of a trend that continues into June, where humidity levels further decline to 73%. While May remains relatively humid compared to the drier months ahead, it signals a transition toward a more comfortable and refreshing atmosphere. This gradual reduction in humidity not only enhances the outdoor experience but also paves the way for the dry season that follows, making it a delightful time to visit and enjoy the verdant landscapes of La Merced.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
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 UV Index of 15, categorizing it as extreme and resulting in a consistent burn time of just 10 minutes. This slight decrease from the peak index of 19 in the preceding months does little to lessen the sun’s intensity during this time of year. As summer approaches, residents and visitors alike should remain vigilant, as the UV indices remain notably high through April. With sun safety being a priority, it’s essential to stay informed about local UV conditions by checking the latest updates at La Merced UV Index. Remember, even with the slight dip in May, protection from sun exposure remains crucial.

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.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181818
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 shines brightly in La Merced, Peru, with 334 hours of glorious sunshine, marking a vibrant peak in the region’s warm and inviting climate. This increase is notable when you compare it to the earlier months; January starts with just 211 hours, showcasing a steadily rising trend leading up to the splendid month of May. Following May, the sunshine hours gradually taper off in June and July, maintaining a still impressive 324 and 340 hours, respectively. The consistent surge in daylight from February’s 239 hours to May's full bloom illustrates the enchanting allure of La Merced as the year progresses, making it an ideal destination for those seeking to bask in nature's brilliance.

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.
JanFebMarAprMayJunJulAugSepOctNovDec211h239h245h295h334h324h340h340h326h318h284h278h
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 sunny weather takes a noteworthy leap in May, with a 35% chance of sunshine, marking a significant increase compared to the earlier months of the year. This transition highlights a shift from the relatively overcast conditions of January through April, where sunshine probabilities remain in the single digits to low teens. As the region approaches the heart of the year, the trend continues, with June seeing a still favorable 33% chance and July enjoying the highest prevalence of sun at 57%. Thus, May serves as a promising harbinger of sunnier days ahead, inviting outdoor activities and vibrant exploration.

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%9%8%17%35%33%57%41%33%16%10%15%
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 36m12h 23m12h 7m11h 51m11h 39m11h 33m11h 36m11h 47m12h 2m12h 18m12h 32m12h 40m
Data source: La Merced daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in La Merced

In May, La Merced experiences an average wind speed of 1.3 m/s (3 mph), maintaining a consistent breeze that is characteristic of the region. This gentle wind continues the trend seen in previous months, where speeds fluctuate slightly but generally remain between 1.2 to 1.5 m/s (2 to 3 mph). With the slight uptick from April's 1.2 m/s, May’s winds invite visitors to enjoy outdoor activities in the lush landscapes, while also hinting at the upcoming month’s increased breezy conditions in July and September. Overall, the wind patterns in La Merced reflect a stable and pleasant environment perfect for exploration and relaxation.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.41.31.21.3 m/s1.11.51.41.51.21.21.3
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.

In May, temperatures tend to range from a minimum of -1°C (31°F) to a maximum of 14°C (58°F), with an average temperature of 7°C (44°F). The month sees significant precipitation at 147 mm (5.8 in) across 28 days and maintains a humidity level of 84%. In contrast, January experiences slightly lower minimum temperatures of -2°C (29°F) and maximum temperatures that can reach up to 15°C (58°F), with an average of 6°C (43°F). This month is wetter, with 255 mm (10.0 in) of precipitation over 25 days and a higher humidity of 91%. Overall, while both months have similar temperature ranges and some overlap in maximums, January is generally wetter and more humid when compared to May. For more detailed information on January weather, visit La Merced weather in January.

When comparing the weather in May and February, both months exhibit similar average temperatures, hovering around 6-7°C (44°F) but with slightly different temperature ranges. May typically has a minimum temperature of -1°C (31°F) and a maximum of 14°C (58°F), while February’s range extends from a minimum of -2°C (29°F) to a maximum of 15°C (59°F). However, February experiences significantly higher precipitation, with 288 mm (11.3 in) falling over 27 days compared to May’s 147 mm (5.8 in) over 28 days. Humidity levels are also higher in February at 89%, compared to 84% in May. For more details on February conditions, you can check La Merced weather in February.

In comparing the weather conditions of March and May, both months exhibit similar temperature ranges, with minimums around -1°C (31°F) and maximums reaching 14°C (58°F). However, March tends to be slightly cooler on average, with an average temperature of 6°C (43°F) compared to May's average of 7°C (44°F). Notably, precipitation levels differ significantly, with March receiving a hefty 355 mm (14.0 in) over 31 days, making it one of the wetter months, while May sees a much lighter total of 147 mm (5.8 in) across 28 days. This results in a higher humidity level in March at 89%, compared to 84% in May. For a more detailed look at March's weather, you can visit La Merced weather in March.

In comparing the weather between April and May, both months experience similar average maximum temperatures of 14°C (58°F), but May sees a slight improvement in the average minimum temperature of -1°C (31°F) compared to April's -2°C (28°F). May has less precipitation overall, with 147 mm (5.8 in) falling across 28 days, while April is wetter, receiving 223 mm (8.8 in) over 29 days. Humidity levels remain relatively high in both months, at 84% in May and 88% in April, indicating a persistently damp atmosphere. For more detailed observations regarding the weather patterns in April, refer to La Merced weather in April.

In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 14°C (58°F), with an average of 7°C (44°F). The month is characterized by significant precipitation, totaling 147 mm (5.8 in) over 28 days, and a high humidity level of 84%. In contrast, June sees slightly cooler temperatures, with a minimum of -2°C (29°F) and an average of 6°C (44°F), peaking at 14°C (57°F). However, precipitation decreases to 71 mm (2.8 in) over 21 days, and humidity drops to 73%, indicating a drier feel compared to May. For more details on June weather, visit La Merced weather in June.

In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 14°C (58°F), with an average of 7°C (44°F). The month typically experiences higher precipitation, totaling 147 mm (5.8 in) over 28 days, and a high humidity level of 84%. In contrast, July sees slightly cooler temperatures with a minimum of -3°C (26°F) and an average of 6°C (43°F), but maintains the same maximum of 14°C (58°F). Precipitation in July is significantly lower at 66 mm (2.6 in) spread over 19 days, and the humidity decreases to 55%. This difference in weather highlights a shift from the wetter, more humid conditions of May to the drier and cooler atmosphere of July. For more details, you can check La Merced weather in July.

May and August exhibit a notable contrast in weather patterns. In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 14°C (58°F), with an average of 7°C (44°F). The month receives significant rainfall, totaling 147 mm (5.8 in) over 28 days, contributing to a high humidity level of 84%. In comparison, August tends to be slightly cooler, with a minimum of -4°C (25°F) and the same maximum of 14°C, resulting in a marginal average decrease to 6°C (43°F). Precipitation in August is considerably less at 76 mm (3.0 in), spread over 18 days, and the humidity drops to a more comfortable 53%. For a detailed insight into the climatic conditions of August, check La Merced weather in August.

In May, the weather typically starts to warm up with average temperatures ranging from a chilly -1°C (31°F) at night to a mild 14°C (58°F) during the day, while the average humidity remains high at 84%. This month experiences substantial rainfall, with 147 mm (5.8 in) spread across 28 days, making it one of the wetter months.

In contrast, September sees a slight decline in temperatures, with an average ranging from -2°C (29°F) to 14°C (57°F), similar to May but with somewhat lower humidity at 62%. Precipitation also increases slightly to 162 mm (6.4 in) over the same number of days, indicating a persistent chance of rain. For more information, check out La Merced weather in September.

May and October exhibit similar temperature ranges, with both months experiencing minimum temperatures around -1°C (31°F) and average highs peaking at 14°C (58°F). However, May tends to be slightly warmer on average at 7°C (44°F) compared to October’s 6°C (44°F). Precipitation levels also differ, with October receiving more rainfall at 205 mm (8.1 in) over 29 days, contrasted with May’s 147 mm (5.8 in) over 28 days. Despite a marginally lower humidity level in October at 82%, both months maintain a relatively high humidity level. For more details on October weather conditions, you can refer to La Merced weather in October.

May and November display quite similar temperature ranges, with both months experiencing minimums around -1°C (31°F) and maximums reaching up to 14°C (58°F). However, November tends to be slightly wetter, with 189 mm (7.5 in) of precipitation over 27 days compared to May's 147 mm (5.8 in) spread over 28 days. Additionally, humidity levels are higher in November at 89%, versus May's 84%, contributing to a more damp and cooler feel. For more details, you can check La Merced weather in November.

In comparing the weather in May and December, both months exhibit similar average temperatures around 7°C (44°F), with December slightly cooler at a minimum temperature of -2°C (29°F) compared to May's minimum of -1°C (31°F). While the maximum temperatures are similar, December edges out May with a maximum of 15°C (59°F) versus May's 14°C (58°F). Precipitation levels are notably higher in December, reaching 257 mm (10.1 in) over 28 days, compared to May's 147 mm (5.8 in) in the same number of days. Additionally, December has a slightly higher humidity level at 91%, compared to May's 84%. For a detailed look at December weather, you can check La Merced weather in December.

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Conclusion: What to Expect From May Weather in La Merced

May in La Merced brings a marked shift in weather compared to the preceding months. As spring progresses, temperatures remain cool with daytime averages hovering around 7°C and dropping to a chilly -1°C at night, making it essential to bundle up. The increased precipitation, totaling 147 mm over 28 days, means that May often feels quite damp, with humidity levels soaring to 84%. The frequent rain showers not only contribute to the lush greenery of the region but also create a cozy atmosphere perfect for enjoying indoor activities. For a deeper understanding of weather patterns in this enchanting location, be sure to check out the detailed insights at La Merced Climate.