Last updated: June 24, 2025
In Peru, United States, the average temperature in May hovers around 13°C (56°F). Visitors should be prepared for a range of temperatures, with minimums dipping to -2°C (29°F) and maximums soaring to 32°C (89°F). The region experiences a noteworthy 123 mm (4.8 in) of precipitation spread over 14 days, contributing to an average humidity level of about 76%. Whether you're embracing the chill or the warmth, be ready for a blend of weather!
In May in Peru, the average temperature is 13°C (56°F), with maximums reaching up to 32°C (89°F) and minimums dropping as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures when visiting during this time.
In Peru in May, the precipitation amount is 123 mm (4.8 in) over a span of 14 days.
In Peru in May humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.
In Peru in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Peru.
UV Risk Categories
Weather in Peru varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Peru, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 89 mm (3.5 inches) | 89% | moderate |
| February Weather | -3°C (27°F) | 111 mm (4.4 inches) | 88% | moderate |
| March Weather | 0°C (33°F) | 93 mm (3.7 inches) | 86% | high |
| April Weather | 7°C (44°F) | 158 mm (6.2 inches) | 84% | very high |
| May Weather | 13°C (56°F) | 123 mm (4.8 inches) | 76% | very high |
| June Weather | 18°C (65°F) | 108 mm (4.3 inches) | 72% | very high |
| July Weather | 21°C (71°F) | 193 mm (7.6 inches) | 66% | very high |
| August Weather | 20°C (69°F) | 144 mm (5.7 inches) | 64% | very high |
| September Weather | 16°C (62°F) | 127 mm (5.0 inches) | 72% | very high |
| October Weather | 11°C (51°F) | 179 mm (7.0 inches) | 81% | high |
| November Weather | 3°C (37°F) | 113 mm (4.4 inches) | 87% | moderate |
| December Weather | -2°C (28°F) | 132 mm (5.2 inches) | 84% | low |