May Weather in Castro Barros, Argentina

Last updated: August 22, 2025

In Castro Barros, Argentina, the average temperature for May hovers around 17°C (62°F), with the thermometer dipping as low as 1°C (35°F) and soaring up to 31°C (88°F). Expect a moderate precipitation of 31 mm (1.2 in) spread over about 6 days, and prepare for a fairly humid atmosphere with an average humidity level of 75%.

May Temperature in Castro Barros

In May in Castro Barros, the average temperature is 17°C (62°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as 1°C (35°F). It's a great time to explore Castro Barros while enjoying mild weather and the potential for warm days.

May Weather in Castro Barros: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castro Barros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Barros, May typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec848177716255556168747983
Data source: Temperature data for Castro Barros 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 Castro Barros

In Castro Barros in May, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

May Precipitation Trends in Castro Barros

The chart displays monthly precipitation patterns in Castro Barros, 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 Castro Barros, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec836171693176125226766
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Castro Barros

In Castro Barros in May, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.

May Average Humidity in Castro Barros

This chart illustrates the average monthly humidity levels in Castro Barros, 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 Castro Barros is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec49%54%57%73%75%67%55%43%45%41%51%49%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castro Barros

In Castro Barros 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 Castro Barros, you can refer to this Hourly UV Index in Castro Barros.

Maximum UV Index Levels in Castro Barros for May

The chart shows the monthly maximum UV Index (UVI) for Castro Barros 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 Castro Barros typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121415
Data source: Castro Barros 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 Castro Barros Compares to Other Months

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

This table compares monthly weather conditions in Castro Barros, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)83 mm (3.3 inches)49%extreme
February Weather27°C (81°F)61 mm (2.4 inches)54%extreme
March Weather25°C (77°F)71 mm (2.8 inches)57%extreme
April Weather22°C (71°F)69 mm (2.7 inches)73%very high
May Weather17°C (62°F)31 mm (1.2 inches)75%high
June Weather13°C (56°F)7 mm (0.3 inches)67%moderate
July Weather13°C (55°F)6 mm (0.2 inches)54%moderate
August Weather16°C (61°F)1 mm (0.0 inches)43%high
September Weather20°C (68°F)25 mm (1.0 inches)45%very high
October Weather23°C (75°F)22 mm (0.9 inches)41%extreme
November Weather26°C (79°F)66 mm (2.6 inches)51%extreme
December Weather28°C (83°F)66 mm (2.6 inches)49%extreme

Compare Castro Barros's Climate with Cities Worldwide