December weather forecast
Rosario de la Frontera, Argentina

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Weather in December

December, the first month of the summer in Rosario de la Frontera, is still a warm month, with an average temperature fluctuating between 28.3°C (82.9°F) and 17.4°C (63.3°F).

Temperature

Rosario de la Frontera's December weather, with an average high temperature of 28.3°C (82.9°F) and an average low temperature of 17.4°C (63.3°F), tends to be the warmest of the year.

Heat index

Throughout December, the heat index is estimated at a tropical 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In Rosario de la Frontera, the average relative humidity in December is 69%.

Rainfall

In Rosario de la Frontera, Argentina, during December, the rain falls for 21.7 days and regularly aggregates up to 156mm (6.14") of precipitation. Throughout the year, in Rosario de la Frontera, there are 180.2 rainfall days, and 901mm (35.47") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall in Rosario de la Frontera.

Daylight

With an average of 13h and 42min of daylight, December has the longest days of the year in Rosario de la Frontera.
On the first day of the month, sunrise is at 06:20 and sunset at 19:58. On the last day of December, in Rosario de la Frontera, sunrise is at 06:31 and sunset at 20:14 -03.

Sunshine

The average sunshine in December in Rosario de la Frontera, Argentina, is 8.5h.

UV index

January, October and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the warmest month in Rosario de la Frontera?

December is Rosario de la Frontera's warmest month, registering average high temperatures of 28.3°C (82.9°F) and lows of 17.4°C (63.3°F).

How hot is it in Rosario de la Frontera in December?

The high-temperature, in December, in Rosario de la Frontera, records 28.3°C (82.9°F), while the low-temperature is 17.4°C (63.3°F). In December, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 31°C (87.8°F).

What is the average humidity in December in Rosario de la Frontera?

The average relative humidity in December is 69%.

How many days does it rain in December in Rosario de la Frontera?

In December, in Rosario de la Frontera, Argentina, the rain falls for 21.7 days. Throughout December, 156mm (6.14") of precipitation is accumulated.

When it does not snow in Rosario de la Frontera?

In Rosario de la Frontera, snow does not fall in January through June, August through December.

When are the longest days in Rosario de la Frontera?

With an average of 13h and 42min of daylight, December has the longest days of the year in Rosario de la Frontera, Argentina.

How many hours of daylight does Rosario de la Frontera have in December?

In December, the average day length in Rosario de la Frontera, Argentina, is 13h and 43min.

When are sunrise and sunset in December in Rosario de la Frontera?

On the first day of December in Rosario de la Frontera, Argentina, sunrise is at 06:20 and sunset at 19:58. On the last day of the month, sunrise is at 06:31 and sunset at 20:14 -03.

How many hours of sunshine does Rosario de la Frontera have in December?

In Rosario de la Frontera, Argentina, the average sunshine duration in December is 8.5h.

When is the highest UV index in Rosario de la Frontera?

The months with the highest UV index in Rosario de la Frontera are January, October and December, with an average maximum UV index of 6.

What is the UV index intensity in December in Rosario de la Frontera?

In Rosario de la Frontera, Argentina, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rosario de la Frontera, Argentina

Average temperature in December - Rosario de la Frontera, Argentina
  • Average high temperature in December: 28.3°C

The warmest month (with the highest average high temperature) is December (28.3°C).
The month with the lowest average high temperature is July (17.5°C).

  • Average low temperature in December: 17.4°C

The month with the highest average low temperature is January (17.5°C).
The coldest month (with the lowest average low temperature) is July (7°C).

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Average pressure in December
Rosario de la Frontera, Argentina

Average pressure in December - Rosario de la Frontera, Argentina
  • Average pressure in December: 1008.9mbar

The month with the highest atmospheric pressure is July (1016.5mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

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Average wind speed in December
Rosario de la Frontera, Argentina

Average wind speed in December - Rosario de la Frontera, Argentina
  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is May (8.8km/h).

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Average humidity in December
Rosario de la Frontera, Argentina

Average humidity in December - Rosario de la Frontera, Argentina
  • Average humidity in December: 69%

The month with the highest relative humidity is April (83%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Rosario de la Frontera, Argentina

Average rainfall in December - Rosario de la Frontera, Argentina
  • Average rainfall in December: 156mm

The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (4mm).

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Average rainfall days in December
Rosario de la Frontera, Argentina

Average rainfall days in December - Rosario de la Frontera, Argentina
  • Average rainfall days in December: 21.7 days

The month with the highest number of rainy days is January (23.6 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Rosario de la Frontera, Argentina

Average snowfall in December - Rosario de la Frontera, Argentina
  • Average snowfall in December: 0mm

The month with the highest snowfall is July (8mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

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Average snowfall days in December
Rosario de la Frontera, Argentina

Average snowfall days in December - Rosario de la Frontera, Argentina
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.5 days).
The months with the least snowfall days are January, February, March, April, May, June, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Rosario de la Frontera, Argentina

Average daylight in December / Average sunshine in December - Rosario de la Frontera, Argentina
  • Average daylight in December: 13h and 4min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in December: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 54min).

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Average sunshine days in December
Rosario de la Frontera, Argentina

Average sunshine days in December - Rosario de la Frontera, Argentina
  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (4.6 days).

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Average UV index in December
Rosario de la Frontera, Argentina

Average UV index in December - Rosario de la Frontera, Argentina
  • Average UV index in December: 6

The months with the highest UV index are January, October and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).

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Average cloud cover in December
Rosario de la Frontera, Argentina

Average cloud cover in December - Rosario de la Frontera, Argentina
  • Average cloud cover in December: 38

The month with the most cloud cover is April (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Rosario de la Frontera, Argentina

Average visibility in December - Rosario de la Frontera, Argentina
  • Average visibility in December: 9km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are March, April and May (8km).

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Rosario de la Frontera, Argentina

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