May Weather in Castelli, Argentina

Last updated: August 22, 2025

In May, the average temperature in Castelli, Argentina hovers around 13°C (56°F). Expect a range that can dip as low as 2°C (35°F) and soar to a warm 26°C (80°F). With an average humidity of 86%, the atmosphere can feel quite muggy. Be prepared for some precipitation too, as 51 mm (2.0 in) of rain typically falls over 6 days during the month.

May Temperature in Castelli

In May in Castelli, the average temperature is 13°C (56°F). Maximums can reach 26°C (80°F), while minimums can drop as low as 2°C (35°F). This varied climate makes it a great time for travelers to enjoy both mild days and cool evenings, perfect for exploring the area.

May Weather in Castelli: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Castelli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelli, May typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec737268635651495255606670
Data source: Temperature data for Castelli 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 Castelli

In Castelli in May, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

May Precipitation Trends in Castelli

The chart displays monthly precipitation patterns in Castelli, 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 Castelli, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec606589895163604774616590
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castelli

In Castelli in May, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

May Average Humidity in Castelli

This chart illustrates the average monthly humidity levels in Castelli, 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 Castelli is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%70%73%83%86%81%73%69%76%69%66%61%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castelli

In Castelli in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Castelli.

Maximum UV Index Levels in Castelli for May

The chart shows the monthly maximum UV Index (UVI) for Castelli 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 Castelli typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753457101214
Data source: Castelli 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 Castelli Compares to Other Months

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

This table compares monthly weather conditions in Castelli, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)60 mm (2.4 inches)59%extreme
February Weather22°C (72°F)65 mm (2.6 inches)70%extreme
March Weather20°C (68°F)89 mm (3.5 inches)72%extreme
April Weather17°C (64°F)89 mm (3.5 inches)82%high
May Weather13°C (56°F)51 mm (2.0 inches)86%moderate
June Weather11°C (51°F)63 mm (2.5 inches)81%moderate
July Weather10°C (49°F)60 mm (2.4 inches)73%moderate
August Weather11°C (52°F)47 mm (1.9 inches)69%moderate
September Weather13°C (56°F)74 mm (2.9 inches)76%high
October Weather15°C (60°F)61 mm (2.4 inches)69%very high
November Weather19°C (66°F)65 mm (2.6 inches)66%extreme
December Weather21°C (70°F)90 mm (3.6 inches)61%extreme

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