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May Weather in San Ignacio, Peru

Last updated: August 27, 2025

In May, the average temperature in San Ignacio, Peru is a mild 18°C (66°F). Daytime highs can reach up to 26°C (79°F), while nights may cool down to a minimum of 11°C (52°F). This month also brings an average precipitation of 121 mm (4.8 in), spread over 27 days, contributing to a high average humidity of 88%. Prepare accordingly!

May Temperature in San Ignacio

In May in San Ignacio, the average temperature is 18°C (66°F). Maximum temperatures can reach up to 26°C (79°F), while the minimum can drop as low as 11°C (52°F). This pleasant climate makes San Ignacio an ideal destination for travelers seeking mild weather and outdoor activities.

May Weather in San Ignacio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Ignacio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ignacio, May typically has an average temperature of 18°C (66°F), with highs reaching up to 26°C (79°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec666766666564626364666767
Data source: Temperature data for San Ignacio 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 San Ignacio

In San Ignacio in May, the precipitation amount is 121 mm (4.8 in) over a span of 27 days.

May Precipitation Trends in San Ignacio

The chart displays monthly precipitation patterns in San Ignacio, 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 San Ignacio, May typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec247270277200121100927463131244229
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Ignacio

In San Ignacio in May humidity is 88%. With an average temperature of 18°C (66°F), this humidity feels like a warm embrace, wrapping around you and making travel feel both cloying and refreshing at the same time, as the air weighs heavily but carries the promise of vibrant, lush landscapes waiting to be explored.

May Average Humidity in San Ignacio

This chart illustrates the average monthly humidity levels in San Ignacio, 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 San Ignacio is approximately 88%, 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 San Ignacio

In San Ignacio in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Ignacio.

Maximum UV Index Levels in San Ignacio for May

The chart shows the monthly maximum UV Index (UVI) for San Ignacio 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 San Ignacio typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718171513131316161515
Data source: San Ignacio 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.

How May Weather in San Ignacio Compares to Other Months

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

This table compares monthly weather conditions in San Ignacio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)247 mm (9.7 inches)82%extreme
February Weather19°C (67°F)270 mm (10.6 inches)80%extreme
March Weather19°C (67°F)277 mm (10.9 inches)85%extreme
April Weather19°C (66°F)200 mm (7.9 inches)87%extreme
May Weather18°C (66°F)121 mm (4.8 inches)88%extreme
June Weather18°C (64°F)100 mm (3.9 inches)73%extreme
July Weather17°C (62°F)92 mm (3.6 inches)51%extreme
August Weather17°C (63°F)74 mm (2.9 inches)44%extreme
September Weather18°C (65°F)63 mm (2.5 inches)49%extreme
October Weather19°C (66°F)131 mm (5.2 inches)71%extreme
November Weather19°C (67°F)244 mm (9.6 inches)77%extreme
December Weather19°C (67°F)229 mm (9.0 inches)85%extreme

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