Climate and monthly weather forecast
San Martín de los Andes, Argentina

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The climate of San Martín de los Andes

San Martín de los Andes, situated in Argentina, is characterized by a Cfb Koppen climate classification, commonly recognized as a Marine West Coast Climate with warm summers. This type of climate implies moderate temperature changes over the year along with significant rainfall throughout twelve months.

An examination of the data reveals a range from 2.8°C (37°F) to 20.5°C (68.9°F) in average high temperatures. Average low temperatures fluctuate from -3°C (26.6°F) in the cooler months to 5.8°C (42.4°F) in the warmer period, indicating a relative consistency in the coldness throughout the year. The average relative humidity, another key climatic aspect, remains relatively stable, varying from 62% to 89% during the year. This stability in humidity ensures a relatively moist climate across all months.

Rainfall deviations throughout the year appear fairly noticeable, with figures rising from 22mm (0.87") in February to substantial 168mm (6.61") in July. The number of rainy days follows a similar pattern, with February witnessing around 8.8 days of rain and July experiencing the peak at approximately 15.3 days. This rise in rainy days coincides with increased snowfall, especially between May and August. The period witnesses snowfall reaching up to 776mm (30.55") in July, accounting for around 14.5 days of snowfall.

The best time to visit San Martín de los Andes

The optimal time to visit San Martín de los Andes strongly depends on what visitors wish to experience. Those craving more sunshine might prefer the period from December to February, where average daylight hours reach their pinnacle at 15 hours, with average sunshine hours peaking in January at 11.4 hours. During this time, the UV index remains relatively low, contributing to more enjoyable and safer sun exposure.

Visitors seeking milder temperatures are likely to favor the period of September through November when temperatures range from 6.8°C (44.2°F) to 13.9°C (57°F). Rainfall during these months is less extreme in comparison to the winter months, also contributing to more pleasant outdoor activities.

The worst time to visit San Martín de los Andes

June through August may be seen as less favorable for travel. The colder temperatures in these months fall between 2.8°C (37°F) to 4.1°C (39.4°F), accompanied by increased humidity of up to 89%, which can cause discomfort and frigid climatic conditions. Moreover, the increased rainfall and snowfall during these months, reaching up to 776mm (30.55") of snow in some days, may restrict outdoor activities.

Spring weather in San Martín de los Andes

Spring in San Martín de los Andes, from September to November, signals a transitionary period from winter to summer temperatures. This time sees a slow but steady climb in temperatures from 6.8°C (44.2°F) to 13.9°C (57°F), with noticeably decreasing snowfall and rainfall. The presence of sunshine also increases throughout these months, creating a more agreeable atmosphere for outdoor exploration.

Summer weather in San Martín de los Andes

Summer, from December to February, brings the warmest weather to San Martín de los Andes, with temperatures peaking at 20.5°C (68.9°F). This period also brings about the highest sunshine duration, reaching up to 15 hours of daylight. However, visitors should be aware that even though it is summer, rainfall remains prominent with values ranging from 22mm (0.87") to 23mm (0.91") monthly.

Autumn weather in San Martín de los Andes

March to May is the autumn period in San Martín de los Andes which introduces a gradual drop in temperatures, from 17.6°C (63.7°F) to 7.9°C (46.2°F). This period also witnesses a slow increase in rain and snow occurrences, making it less suited for outdoor activities. Yet, the progressively cooler weather paired with an average daylight duration ranging from 9.9hrs to 14.4hrs provides ample opportunities for stunning and dramatic landscapes.

Winter weather in San Martín de los Andes

Winter, from June through August, ushers in the chilliest period of the year with temperatures descending to 2.8°C (37°F). Accompanying these cooler temperatures are rainfall and significant snowfall occurrences, making it a splendid destination for enthusiasts of winter sports. However, daylight and sunshine duration dip considerably during these months, maximizing at 9.6 hours of daylight and 5.4 hours of sunshine. Thus, winter visits might require a love for colder temperatures and lesser daylight periods.

Weather in January

January rings in the new year with an invigorating blend of climate conditions in San Martín de los Andes. Compared to the preceding month of December, January shows slightly colder evenings and a marginally smaller spread in daily temperatures. Weather in January »

Weather in February

As the last leaf of summer arrives, February maintains the climatic journey started in January. Some might consider the decline in temperature and sunlight hours a hint of the impending autumn. Despite this, the month sees a peak in relative humidity. Weather in February »

Weather in March

In March, the departure of summer and arrival of autumn becomes more prominent in San Martín de los Andes. The reduction in temperature, sunlight hours, and UV index from February is evidence of this change. Despite a slight increase in precipitation, the number of sunshine-filled days are reasonably preserved. Weather in March »

Weather in April

The arrival of April in San Martín de los Andes ushers in the heart of autumn, with characteristic transformations in weather. The shift from the sunny spells of March is noticeable with a dip in both temperature and sunlight hours. Weather in April »

Weather in May

May represents the transition to winter in the city. Indeed, the cooler temperatures, lower UV indices, and reduced daylight hours are a clear departure from the conditions seen in April. But the stars of the show are the snowfall and resultant snow days, both of which see a dramatic increase - 42mm (1.65") and 2.5 days respectively. Weather in May »

Weather in June

San Martín de los Andes fully steps into winter by the time June rolls in. A sharp contrast is observed from the climatic conditions of May, with a significant drop in both high and low temperatures. A marked increase in snowfall directly translates into a rise in the number of snow days from May's 2.5 to June's 9.4. Weather in June »

Weather in July

The peak winter month of July brings with it the year's highest snowfall, drenching San Martín de los Andes in a hefty 776mm (30.55") blanket of snow. Nighttime temperatures hover around a chilly -3°C (26.6°F), lower than the previous month. Weather in July »

Weather in August

As August kicks in, the city of San Martín de los Andes commences its slow crawl out of the winter season's grasp. Despite the slight increase in temperature, the abundance of snowfall continues, albeit at a decreased rate compared to July. Weather in August »

Weather in September

September marks the start of spring in San Martín de los Andes, waving goodbye to the snowy landscapes of winter. The temperature profile shows a clear uplift from the prior month, and a corresponding decrease in snow days becomes evident. Weather in September »

Weather in October

October in San Martín de los Andes is characterized by a further increase in temperatures, setting the stage for a full-fledged spring display. Compared to September, fewer snowfalls are observed, while a slight increase in humidity is a result of rising temperatures. Weather in October »

Weather in November

November continues the city's tour de force through spring, delivering weather conditions that extend the springtime joy. A noticeable rise in temperature creates an enjoyable ambience, while the decreasing snowfall offers a clear indication of the incoming summer. Weather in November »

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. Weather in December »
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Frequently asked questions

What is the hottest time of year in San Martín de los Andes?

January, recognised by an average high temperature of 20.5°C (68.9°F) and a low of 5.8°C (42.4°F), is San Martín de los Andes's warmest month.

What is the least humid month in San Martín de los Andes?

January is the least humid month in San Martín de los Andes, Argentina, with an average relative humidity of 62%.

What is the driest month in San Martín de los Andes?

January and February are months with the least rain when the rain falls for 8.8 days and typically aggregates up to 22mm (0.87") of rain.

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

In San Martín de los Andes, Argentina, during the entire year, the rain falls for 161.6 days and collects up to 856mm (33.7") of precipitation.

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

In San Martín de los Andes, snow does not fall in January, February and December.

How much does it snow in San Martín de los Andes?

In San Martín de los Andes, Argentina, during the entire year, snow falls for 57.4 days and aggregates up to 2150mm (84.65") of snow.

What month has the most sunshine in San Martín de los Andes?

With an average of 11.4h of sunshine, January has the most sunshine of the year in San Martín de los Andes.

What is the month with the highest UV index in San Martín de los Andes?

The months with the highest UV index in San Martín de los Andes are January and February, with an average maximum UV index of 4.

When does it snow in San Martín de los Andes?

Months with snowfall in San Martín de los Andes are March through November.

What is the month with the shortest days in San Martín de los Andes?

June has the shortest days of the year in San Martín de los Andes, Argentina, with an average of 9h and 24min of daylight.

What is the month with the least sunshine in San Martín de los Andes?

The month with the least sunshine in San Martín de los Andes is June, with an average of 5h of sunshine.

What part of the year is the coldest in San Martín de los Andes?

July, known for its average high temperature of 2.8°C (37°F) and an average low temperature of -3°C (26.6°F), is the coldest month.

What is the most humid month in San Martín de los Andes?

The months with the highest humidity are July and August, with an average relative humidity of 89%.

What is the wettest month in San Martín de los Andes?

The month with the most rainfall in San Martín de los Andes, Argentina, is July, when the rain falls for 14.5 days and typically aggregates up to 168mm (6.61") of precipitation.

What is the snowiest month in San Martín de los Andes?

July is the month with the most snowfall. Snow falls for 14.5 days and accumulates 776mm (30.55") of snow.

What are the months with the lowest UV index in San Martín de los Andes?

July and September, with an average maximum UV index of 1, are months with the lowest UV index in San Martín de los Andes, Argentina.

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.

Is there Daylight Saving Time (DST) in San Martín de los Andes?

San Martín de los Andes, Argentina, does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.

Average temperature
San Martín de los Andes, Argentina

Average temperature - San Martín de los Andes, Argentina

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).

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
San Martín de los Andes, Argentina

Average pressure - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average wind speed - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average humidity - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average rainfall - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average rainfall days - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average snowfall - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average snowfall days - San Martín de los Andes, Argentina

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 / Average sunshine
San Martín de los Andes, Argentina

Average daylight / Average sunshine - San Martín de los Andes, Argentina

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).

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
San Martín de los Andes, Argentina

Average sunshine days - San Martín de los Andes, Argentina

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
San Martín de los Andes, Argentina

Average UV index - San Martín de los Andes, Argentina

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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San Martín de los Andes, Argentina

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