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May Weather in San Javier, Argentina

Last updated: August 22, 2025

In May, the average temperature in San Javier, Argentina is a pleasant 18°C (64°F). However, temperatures can vary significantly, dipping to a cool 5°C (42°F) at their lowest and soaring to a warm 31°C (89°F) at their peak. Expect 203 mm (8.0 in) of precipitation over approximately 12 days throughout the month, contributing to an average humidity of 82%. Enjoy the intriguing climate of San Javier this May!

May Temperature in San Javier

In May in San Javier, the average temperature is 18°C (64°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop as low as 5°C (42°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.

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

The chart illustrates May temperature patterns in San Javier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Javier, May typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (89°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec797775706461606368717478
Data source: Temperature data for San Javier 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 Javier

In San Javier in May, the total precipitation amount reached 203 mm (8.0 in) over the course of 12 days.

May Precipitation Trends in San Javier

The chart displays monthly precipitation patterns in San Javier, 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 Javier, May typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1771121431222031051018811717515384
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Javier

In San Javier in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in San Javier

This chart illustrates the average monthly humidity levels in San Javier, 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 Javier 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 Javier

In San Javier 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 Javier, you can refer to this Hourly UV Index in San Javier.

Maximum UV Index Levels in San Javier for May

The chart shows the monthly maximum UV Index (UVI) for San Javier 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 Javier typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
Data source: San Javier 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 Javier Compares to Other Months

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

This table compares monthly weather conditions in San Javier, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)177 mm (7.0 inches)77%extreme
February Weather25°C (77°F)112 mm (4.4 inches)71%extreme
March Weather24°C (75°F)143 mm (5.6 inches)74%extreme
April Weather21°C (70°F)122 mm (4.8 inches)82%very high
May Weather18°C (64°F)203 mm (8.0 inches)82%high
June Weather16°C (61°F)105 mm (4.2 inches)73%moderate
July Weather15°C (60°F)101 mm (4.0 inches)67%high
August Weather17°C (63°F)88 mm (3.5 inches)49%high
September Weather20°C (68°F)117 mm (4.6 inches)54%very high
October Weather22°C (71°F)175 mm (6.9 inches)58%extreme
November Weather23°C (75°F)153 mm (6.0 inches)69%extreme
December Weather25°C (78°F)84 mm (3.3 inches)84%extreme

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