December weather forecast
Salta, Argentina

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Rocks formed in Salta, Argentina with a mountain and dark clouds in the background
Rocks formed in Salta, Argentina with a mountain and dark clouds in the background

Weather in December

In December, Salta anticipates a cocktail of weather patterns with heightened precipitation and receded temperatures. Both cloudbursts and sunshine contest, offering a unique blend of weather conditions. The scenario of rainfall reaching its second highest measure of the year - 89mm (3.5") - draws attention. The culmination of the year anticipates a reduced temperature trend, lesser daylight hours and a broadened cloud coverage, closing the year's weather cycle on a gathered note.

Temperature

Salta experiences its highest average temperatures in December, reaching a peak of 24.3°C (75.7°F) and a minimum of 14.8°C (58.6°F).

Humidity

In Salta, the average relative humidity in December is 70%.

Rainfall

In Salta, in December, during 21 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Salta, during the entire year, the rain falls for 160.6 days and collects up to 541mm (21.3") of precipitation.

Snowfall

January through June, August through December are months without snowfall in Salta.

Daylight

December has the longest days of the year in Salta, with an average of 13h and 36min of daylight.
On the first day of the month, sunrise is at 06:23 and sunset at 19:57. On the last day of December, in Salta, sunrise is at 06:35 and sunset at 20:14 -03.

Sunshine

In December, the average sunshine is 9.1h.

UV index

January through March, September through December, with an average maximum UV index of 5, are months with the highest UV index in Salta. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in December suggests the following recommendations:
Take precautions - Protection against sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What month is the hottest in Salta?

December, with an average high of 24.3°C (75.7°F) and a low of 14.8°C (58.6°F), signifies the warmest month of the year in Salta, Argentina.

What are December temperatures in Salta?

An average high-temperature, in December, in Salta, is 24.3°C (75.7°F) and the average low-temperature is 14.8°C (58.6°F).

What is the average humidity in December in Salta?

In December, the average relative humidity in Salta, Argentina, is 70%.

How many days does it rain in December in Salta?

In Salta, Argentina, during December, the rain falls for 21 days and regularly aggregates up to 89mm (3.5") of precipitation.

When it does not snow in Salta?

In Salta, Argentina, snow does not fall in January through June, August through December.

When are the longest days in Salta?

The month with the longest days is December, with an average of 13h and 36min of daylight.

How many hours of daylight does Salta have in December?

In December, the average day length is 13h and 39min.

When is the sunrise / sunset in December in Salta?

On the first day of December in Salta, sunrise is at 06:23 and sunset at 19:57. On the last day of the month, sunrise is at 06:35 and sunset at 20:14 -03.

How long on average sun shines in December in Salta?

In December, the average sunshine duration in Salta is 9.1h.

When is the highest UV index in Salta?

January through March, September through December, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in December in Salta?

In Salta, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Salta, Argentina

Average temperature in December - Salta, Argentina
  • Average high temperature in December: 24.3°C

The warmest month (with the highest average high temperature) is December (24.3°C).
The month with the lowest average high temperature is July (16.5°C).

  • Average low temperature in December: 14.8°C

The month with the highest average low temperature is December (14.8°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).

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Average pressure in December
Salta, Argentina

Average pressure in December - Salta, Argentina
  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).

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Average wind speed in December
Salta, Argentina

Average wind speed in December - Salta, Argentina
  • Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is October (9.6km/h).
The calmest month (with the lowest average wind speed) is April (7.3km/h).

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Average humidity in December
Salta, Argentina

Average humidity in December - Salta, Argentina
  • Average humidity in December: 70%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (48%).

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Average rainfall in December
Salta, Argentina

Average rainfall in December - Salta, Argentina
  • Average rainfall in December: 89mm

The wettest month (with the highest rainfall) is January (105mm).
The driest months (with the least rainfall) are July and August (2mm).

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Average rainfall days in December
Salta, Argentina

Average rainfall days in December - Salta, Argentina
  • Average rainfall days in December: 21 days

The month with the highest number of rainy days is March (22 days).
The month with the least rainy days is August (1.9 days).

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Average snowfall in December
Salta, Argentina

Average snowfall in December - Salta, Argentina
  • Average snowfall in December: 0mm

The month with the highest snowfall is July (3mm).
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
Salta, Argentina

Average snowfall days in December - Salta, Argentina
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Salta, Argentina

Average daylight in December / Average sunshine in December - Salta, Argentina
  • Average daylight in December: 13h and 4min

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

  • Average sunshine in December: 9h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 18min).

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Average sunshine days in December
Salta, Argentina

Average sunshine days in December - Salta, Argentina
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (5.5 days).

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Average UV index in December
Salta, Argentina

Average UV index in December - Salta, Argentina
  • Average UV index in December: 5

The months with the highest UV index are January, February, March, September, October, November and December (UV index 5).
The month with the lowest UV index is May (UV index 3).

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Average cloud cover in December
Salta, Argentina

Average cloud cover in December - Salta, Argentina
  • Average cloud cover in December: 31

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in December
Salta, Argentina

Average visibility in December - Salta, Argentina
  • Average visibility in December: 9km

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

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Salta, Argentina

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