December weather forecast and climate
Rosario, Argentina

What is the temperature in December in Rosario?

In Rosario, in December, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 16.4°C (61.5°F).

How much does it rain in Rosario in December?

In December, the rain falls for 9 days. Throughout December, 120mm (4.7") of precipitation is accumulated.
Average temperature in December - Rosario, Argentina
  • Average high temperature in December: 29.5°C

The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in December: 16.4°C

The month with the highest average low temperature is January (17.7°C).
Coldest months (with the lowest average low temperature) are June and July (5.3°C).

Average humidity in December - Rosario, Argentina
  • Average humidity in December: 68%

Months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is December (68%).

Average rainfall in December - Rosario, Argentina
  • Average rainfall in December: 120mm

The wettest month (with the highest rainfall) is March (164.6mm).
The driest month (with the lowest rainfall) is June (36.6mm).

Average rainfall days in December - Rosario, Argentina
  • Average rainfall days in December: 9 days

Months with the highest number of rainy days are January, March, October, November and December (9 days).
Months with the lowest number of rainy days are June, July and August (5 days).

Average daylight in December / Average sunshine in December - Rosario, Argentina
  • Average daylight in December: 14.3h

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in December: 9.4h

The month with most sunshine is January (Average sunshine: 10.1h).
The month with least sunshine is June (Average sunshine: 5h).

Average UV index in December - Rosario, Argentina
  • Average UV index in December: 12

Months with the highest UV index are January, February and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).

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