May weather forecast
Argentina

May marks the transition from autumn to winter in Argentina, bringing with it cooler temperatures across the country and a further shift in rainfall patterns.

In the northern regions, including cities like Salta and Tucuman, temperatures continue to fall, generally ranging from 10°C (50°F) to 20°C (68°F). The weather during this time is relatively dry with lower levels of humidity compared to the preceding months.

The central regions of the country, such as Buenos Aires, Cordoba, and Rosario, experience cooler conditions with temperatures typically varying from 8°C (46.4°F) to 18°C (64.4°F). Rainfall in Buenos Aires in May is significant, with an average precipitation of 80mm (3.15"), continuing the trend of the rainy autumn season.

The southernmost regions of Argentina, including Patagonia and Tierra del Fuego, start to embrace winter conditions. Temperatures in these areas can range from -2°C (28.4°F) to 8°C (46.4°F) in May, and the first signs of winter snowfall can occur, especially in the higher altitudes of the Andes.

The Andean region of Argentina, which includes Mendoza and San Juan, experiences a significant drop in temperature, generally falling between 5°C (41°F) and 18°C (64.4°F). Despite the onset of colder temperatures, the climate in this region remains relatively dry.

Compared to April, the weather in Argentina in May is noticeably colder, signaling the approach of winter. The change from May to June will continue to see a drop in temperatures across the country, with the southern regions beginning to experience full winter conditions.

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• Buenos Aires - May »
  In Buenos Aires, during the entire year, the rain falls for 108.2 days and collects up to 629mm (24.76") of precipitation. During the month of May, the temperature in Buenos Aires generally drops to a low average of 12.2°C (54°F).
• Cordoba - May »
  On the last day of the month, in Cordoba, sunrise is at 08:07 and sunset at 18:21 -03. In Cordoba, snow does not fall in January through June, August through December.
• Rosario - May »
  The months with the lowest UV index in Rosario are April through September, with an average maximum UV index of 4. On the first day of May in Rosario, Argentina, sunrise is at 07:36 and sunset at 18:22.
• Mendoza - May »
  May and July are months with the least rain in Mendoza when the rain falls for 3.3 days and typically aggregates up to 5mm (0.2") of rain. April and May, with an average of 9.4h of sunshine, are months with the least sunshine in Mendoza, Argentina.
• San Miguel de Tucumán - May »
  April and May, with an average relative humidity of 79%, are most humid months in San Miguel de Tucumán, Argentina. January through June, August through December are months without snowfall in San Miguel de Tucumán, Argentina.
• La Plata - May »
  On the last day of the month, in La Plata, sunrise is at 07:50 and sunset at 17:48 -03. In La Plata in May, during 7 rainfall days, 74mm (2.91") of precipitation is typically accumulated.
• Mar del Plata - May »
  On the last day of the month, in Mar del Plata, sunrise is at 07:56 and sunset at 17:39 -03. In Mar del Plata, snow does not fall in January through July, September through December.
• Santa Fe - May »
  The last month of the autumn, May, is also an agreeable month in Santa Fe with an average temperature ranging between min 12.1°C (53.8°F) and max 20.3°C (68.5°F). With an average relative humidity of 77%, May is the most humid month in Santa Fe, Argentina.
• Salta - May »
  On the last day of the month, in Salta sunrise is at 07:58 and sunset at 18:40 -03. May in Salta presents a drastic shift in weather conditions from April, the temperature continues to drop, bringing along cooler days.
• San Juan - May »
  March through May and October, with an average of 9.7h of sunshine, are months with the least sunshine in San Juan, Argentina. March through May and October, with an average of 9.7h of sunshine, are months with the least sunshine in San Juan.
• Resistencia - May »
  May and June, with an average relative humidity of 83%, are the most humid months in Resistencia, Argentina. The months with the highest humidity in Resistencia, Argentina, are May and June, with an average relative humidity of 83%.
• Neuquen - May »
  In Neuquen, Argentina, during May, the rain falls for 5 days and regularly aggregates up to 12mm (0.47") of precipitation. In Neuquen, in May, during 5 rainfall days, 12mm (0.47") of precipitation is typically accumulated.