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May Weather in San Ignacio, Argentina

Last updated: August 22, 2025

In May, the average temperature in San Ignacio, Argentina hovers around 18°C (65°F), making it a pleasantly mild time of year. Expect a minimum chill of 6°C (42°F) and a balmy maximum of 32°C (91°F). However, be prepared for some rain, as 224 mm (8.8 in) of precipitation can fall over about 12 days, contributing to an average humidity of 82%.

May Temperature in San Ignacio

In May in San Ignacio, the average temperature is 18°C (65°F). Maximum can reach 32°C (91°F) and minimum can be as low as 6°C (42°F). This makes San Ignacio a great destination for travelers seeking mild weather during this time of year.

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 (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec807876716562616470727579
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 224 mm (8.8 in) over a period of 12 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 224 mm (8.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1719212411622497886910717814182
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 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%74%82%82%73%67%49%54%58%69%84%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Ignacio, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
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 Weather26°C (80°F)171 mm (6.7 inches)77%extreme
February Weather26°C (78°F)92 mm (3.6 inches)71%extreme
March Weather24°C (76°F)124 mm (4.9 inches)74%extreme
April Weather22°C (71°F)116 mm (4.6 inches)82%very high
May Weather18°C (65°F)224 mm (8.8 inches)82%high
June Weather17°C (62°F)97 mm (3.8 inches)73%moderate
July Weather16°C (61°F)88 mm (3.5 inches)67%high
August Weather18°C (64°F)69 mm (2.7 inches)49%high
September Weather21°C (70°F)107 mm (4.2 inches)54%very high
October Weather22°C (73°F)178 mm (7.0 inches)58%extreme
November Weather24°C (76°F)141 mm (5.5 inches)69%extreme
December Weather26°C (79°F)82 mm (3.2 inches)84%extreme

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