December weather forecast
San Martín de los Andes, Argentina

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Weather in December

December welcomes summer in San Martín de los Andes with open arms. The climate veers considerably from November conditions, with a spike in temperature and an increase in sunshine hours. With a substantial UV index of 3, care should be taken during midday hours when the sun is at its peak. Snow remains a distant memory, with no registered snowfall for the month. The festive season is further accentuated by pleasant weather conditions, painting a warm, festive atmosphere across the city.

Temperature

San Martín de los Andes observes a slight uplift in the average high-temperature with the onset of December, adjusting from November's mild 13.9°C (57°F) to a comfortable 17.2°C (63°F). San Martín de los Andes reports a considerable drop from daytime temperatures in December, recording an average nighttime figure of 3.6°C (38.5°F).

Humidity

In San Martín de los Andes, Argentina, the average relative humidity in December is 67%.

Rainfall

In San Martín de los Andes, Argentina, in December, during 11.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In San Martín de los Andes, during the entire year, the rain falls for 161.6 days and collects up to 856mm (33.7") of precipitation.

Snowfall

January, February and December are months without snowfall.

Daylight

With an average of 15h and 0min of daylight, December has the longest days of the year.
On the first day of December in San Martín de los Andes, Argentina, sunrise is at 06:10 and sunset at 20:59. On the last day of the month, sunrise is at 06:19 and sunset at 21:17 -03.

Sunshine

In December, the average sunshine in San Martín de los Andes is 11h.

UV index

In San Martín de los Andes, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in San Martín de los Andes in December?

In December, in San Martín de los Andes, the average high-temperature is 17.2°C (63°F), and the average low-temperature is 3.6°C (38.5°F).

What is the average humidity in December in San Martín de los Andes?

The average relative humidity in December in San Martín de los Andes, Argentina, is 67%.

How much does it rain in San Martín de los Andes in December?

In San Martín de los Andes, Argentina, during December, the rain falls for 11.5 days and regularly aggregates up to 30mm (1.18") of precipitation.

When it does not snow in San Martín de los Andes?

January, February and December are months without snowfall.

Does it snow in San Martín de los Andes in December?

In December, in San Martín de los Andes, it doesn't snow. November is the latest month when it typically snows.

When are the longest days in San Martín de los Andes?

December has the longest days of the year in San Martín de los Andes, with an average of 15h and 0min of daylight.

How many hours of daylight does San Martín de los Andes have in December?

In December, the average day length in San Martín de los Andes, Argentina, is 14h and 59min.

What time are sunrise and sunset in December in San Martín de los Andes?

On the first day of December in San Martín de los Andes, sunrise is at 06:10 and sunset at 20:59. On the last day of the month, sunrise is at 06:19 and sunset at 21:17 -03.

How many hours of sunshine does San Martín de los Andes have in December?

In December, the average sunshine duration in San Martín de los Andes is 11h.

What is the UV index intensity in December in San Martín de los Andes?

In December, the average daily maximum UV index in San Martín de los Andes is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
San Martín de los Andes, Argentina

Average temperature in December - San Martín de los Andes, Argentina
  • Average high temperature in December: 17.2°C

The warmest month (with the highest average high temperature) is January (20.5°C).
The month with the lowest average high temperature is July (2.8°C).

  • Average low temperature in December: 3.6°C

The months with the highest average low temperature are January and February (5.8°C).
The coldest month (with the lowest average low temperature) is July (-3°C).

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Average pressure in December
San Martín de los Andes, Argentina

Average pressure in December - San Martín de los Andes, Argentina
  • Average pressure in December: 1014.2mbar

The month with the highest atmospheric pressure is September (1019.5mbar).
The months with the lowest atmospheric pressure are January, February and December (1014.2mbar).

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Average wind speed in December
San Martín de los Andes, Argentina

Average wind speed in December - San Martín de los Andes, Argentina
  • Average wind speed in December: 14.2km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest months (with the lowest average wind speed) are April, May and July (11.5km/h).

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Average humidity in December
San Martín de los Andes, Argentina

Average humidity in December - San Martín de los Andes, Argentina
  • Average humidity in December: 67%

The months with the highest relative humidity are July and August (89%).
The month with the lowest relative humidity is January (62%).

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Average rainfall in December
San Martín de los Andes, Argentina

Average rainfall in December - San Martín de los Andes, Argentina
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is July (168mm).
The driest months (with the least rainfall) are January and February (22mm).

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Average rainfall days in December
San Martín de los Andes, Argentina

Average rainfall days in December - San Martín de los Andes, Argentina
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in December
San Martín de los Andes, Argentina

Average snowfall in December - San Martín de los Andes, Argentina
  • Average snowfall in December: 0mm

The month with the highest snowfall is July (776mm).
The months with the least snowfall are January, February and December (0mm).

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Average snowfall days in December
San Martín de los Andes, Argentina

Average snowfall days in December - San Martín de los Andes, Argentina
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is July (14.5 days).
The month with the least snowfall days is February (0 days).

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Average daylight in December /
Average sunshine in December
San Martín de los Andes, Argentina

Average daylight in December / Average sunshine in December - San Martín de los Andes, Argentina
  • Average daylight in December: 15h and 0min

The month with the longest days is December (Average daylight: 15h and 0min).
The month with the shortest days is June (Average daylight: 9h and 24min).

  • Average sunshine in December: 11h and 0min

The month with the most sunshine is January (Average sunshine: 11h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 0min).

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Average sunshine days in December
San Martín de los Andes, Argentina

Average sunshine days in December - San Martín de los Andes, Argentina
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (8.5 days).

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Average UV index in December
San Martín de los Andes, Argentina

Average UV index in December - San Martín de los Andes, Argentina
  • Average UV index in December: 3

The months with the highest UV index are January and February (UV index 4).
The months with the lowest UV index are July and September (UV index 1).

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Average cloud cover in December
San Martín de los Andes, Argentina

Average cloud cover in December - San Martín de los Andes, Argentina
  • Average cloud cover in December: 29

The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 22).

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Average visibility in December
San Martín de los Andes, Argentina

Average visibility in December - San Martín de los Andes, Argentina
  • Average visibility in December: 9km

The month with the highest visibility is February (10km).
The month with the lowest visibility is July (7km).

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San Martín de los Andes, Argentina

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