December Weather in Rosario

Last updated: March 2, 2024

The weather in Rosario, Argentina, during December is characterized by an average temperature of 24°C (75°F). Highs can soar to 36°C (97°F), while lows may dip to 12°C (53°F). Typically, the humidity level in Rosario throughout December hovers around 51%.

12°C (53°F)

Minimum temperature

24°C (75°F)

Average temperature

36°C (97°F)

Maximum temperature

51%

Humidity

Precipitation and Sunshine hours

In December, Rosario averages 69 mm (2.7 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 14 hours 16 minutes of daylight, with the sun shining for approximately 12 hours 11 minutes each day. Additionally, there is a 74% probability of sunny days during this period.

69 mm (2.7 inches)

Precipitation

8 rainy days

Rainy days

12 hours 11 minutes

Sunshine hours

74%

Chance of sun

UV Index

In December, the UV Index in Rosario reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 5 8 11 13 14 13 10 7 4 2 1
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Rosario's Climate with Cities Worldwide