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Climate - Chile


Average weather, temperature, rainfall, sunshine

Flag - Chile

Map - Chile

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In Chile, a South American country overlooking the South Pacific Ocean, there is a wide variety of climates: desert but mild in the north, Mediterranean in the center, oceanic in the south, and cold in the Andes. The country has a unique shape, in fact it is very long (about 4,300 kilometers or 2,700 miles from north to south, from 17 to 56 degrees south latitude) and narrow, so it obviously has different climates and environments.
Being located in the Southern Hemisphere, in Chile the seasons are reversed in comparison with North America or Europe.

Index


  • North - Atacama Desert, Iquique
  • Center - Valparaiso, Santiago
  • South - Valdivia, Punta Arenas

The North



Climate of northern Chile

Atacama Desert

All of Chile north of the Santiago region is desert, in both the coast and the Andean area. On the coast, in cities like Arica, Iquique and Antofagasta it hardly ever rains: years can pass between one shower and another. This area is occupied by the Atacama Desert, the driest place on Earth.
The cause of the aridity is a cold sea current, the Humboldt Current, which inhibits the formation of upward air currents that could generate rain clouds. Of course, the sea current is cold in comparison with the tropical latitude of the area. However, the sun is often obscured by fog and low clouds (called Camanchacas), especially from April to October, although this happens less frequently than in nearby Peru; it goes better in summer, from December to February, which is therefore the best time to visit this northern part of the coast.
The temperatures along the coast are mild, almost always spring-like: proceeding from north to south, in Arica the daily average ranges from 23 °C (73 °F) in January and February to 16.5 °C (61.5 °F) in June and July, in Iquique it ranges from 22.5 °C to 16 °C (72.5 °F to 61 °F), in Antofagasta from 20.5 °C to 14 °C (69 °F to 57 °F), and in Coquimbo from 18 °C to 12 °C (63 °F to 54 °F).

Atacama Desert

In inland areas, as long as we remain in the plains or at low altitudes (see Copiapó, Vallenar), in summer the daytime temperatures are a few degrees higher than on the coast.
At this latitude, in the Andes, where the climate is desert as well, a lunar landscape is found, while the temperature obviously decreases with increasing altitude; the mountains are above the fog layer, so here the sun shines all year round. Above 3,000 meters (10,000 ft), it's cold at night, with possible intense frosts especially in winter, while during the day the tropical sun of the mountains is capable of raising the temperature above freezing. To find some snowfields, where the rare snowfalls can be preserved, you have to climb to very high altitudes, above 5,500 meters (18,000 ft).

Iquique

In Iquique, located on the coast and at 20 degrees south latitude, temperatures are very mild in winter, from May to September, and pleasantly warm in summer, from December to March. Here are the average temperatures.
Iquique - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January192522.2667871.9
February192622.5667972.4
March182521.5657770.8
April172319.7627367.4
May152118606964.5
June141916.7586662.1
July141815.9576460.6
August141815.9576460.5
September141916.5586561.6
October152017.5596863.5
November162218.8617165.9
December172320.5637468.8
Year16.121.518.756170.765.5

Here is the average precipitation in Iquique: as you can see, statistically it never rains.
Iquique - Average precipitation
MonthMillimetersInchesDays
January000
February000
March000
April000
May000
June000
July000
August000
September000
October000
November000
December000
Year001

Here are the average daily sunshine hours in Iquique: as you can see, the sun often shines in summer, from December to March, while in the other months, even if it does not rain, mists and low clouds obscure the sun for a few hours a day.
Iquique - Sunshine hours
MonthAverageTotal
January10315
February10290
March9.5295
April8240
May7215
June6175
July5.5165
August5160
September6185
October8240
November9.5280
December10315
Year7.92870

In the northernmost part of the coast, the sea is never very warm, although it is warm enough for swimming from January to March, as can be seen in the following table.
Iquique - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January2374
February2475
March2373
April2271
May2068
June1965
July1763
August1762
September1763
October1865
November2068
December2271
Year20.168.2

Further south, in La Serena and Coquimbo, the climate becomes a little cooler, and continues to remain desert, but in winter, from June to August, some rain can occur.

The center



Climate of central Chile

In central Chile, in the northern part of the central valley, located between the coast and the Andes (see Santiago, Curicó, Chillán), the climate is almost Mediterranean that is, mild and rainy in winter, and warm to hot and sunny in summer.

Valparaiso

Along the coast, however, the influence of the sea makes the summer cool: in Valparaiso, the average temperature ranges from 11.5 °C (52.5 °F) in June and July to 17.5 °C (63.5 °F) in January and February.
Valparaiso - Average temperatures
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January132217.5557263.5
February132217.5557263.5
March122116.5547061.7
April111915526659
May101713.5506356.3
June81511.5465952.7
July81511.5465952.7
August81612466153.6
September81612466153.6
October101814506457.2
November112015.5526859.9
December122116.5547061.7
Year10.318.514.3550.665.358

Rainfall in Valparaiso amounts to 375 millimeters (14.5 inches) per year, and occurs mainly in the austral winter, from May to August, while from November to March it almost never rains. Here is the average precipitation.
Valparaiso - Average precipitation
MonthMillimetersInchesDays
January000
February000
March50.21
April150.62
May552.29
June853.39
July1104.38
August602.48
September2515
October100.42
November80.31
December100
Year37514.745

In Valparaiso, the sun shines regularly in summer (although there may be morning fogs), while in winter it is seen quite rarely.
Valparaiso - Sunshine hours
MonthAverageTotal
January9280
February8.5245
March7215
April6175
May3.5115
June2.580
July395
August4120
September5145
October5.5170
November7215
December8.5265
Year5.82120

In the central part of the coast, the sea is very cool even in summer. In Viña del Mar, near Valparaiso, the water temperature barely reaches 18 °C (64 °F) in February.
Vina del Mar - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January1763
February1864
March1763
April1661
May1559
June1457
July1355
August1355
September1355
October1457
November1559
December1661
Year15.159.1

Santiago

In the capital, Santiago, 90 kilometers (55 miles) away from the sea and 500 meters (1,600 feet) above sea level, the daily average ranges from 9.5 °C (49 °F) in July to 22 °C (71.5 °F) in January; the daily temperature range is higher, in particular, nights are cold in winter, with some slight frosts, and are usually cool even in summer. The maximum temperatures, however, can sometimes be hot in summer, with peaks of 36/38 °C (97/100 °F). If in addition we consider both the poor air circulation and the pollution of the metropolis, the best times to visit Santiago are spring and autumn, ie March-April and October-November. Here are the average temperatures.
Santiago - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January133121.9558871.4
February123021.4548770.5
March112919.8518467.6
April82516.1467661
May52012.7416854.8
June31710.1386250.1
July3169.4376149
August41810.8386551.5
September62113.2426955.7
October82415.7467560.3
November102718.4498165.1
December122920.5538568.9
Year7.723.915.7545.97560.5

The rainfall pattern in Santiago is similar to that of Valparaiso. Here is the average rainfall.
Santiago - Average precipitation
MonthMillimetersInchesDays
January000
February100
March60.21
April120.51
May451.84
June702.85
July652.65
August451.84
September200.83
October100.41
November50.20
December10.10
Year27510.824

In Santiago, the sun shines more often than on the coast, since fog is less frequent, especially in summer, when the sky is almost always clear.
Santiago - Sunshine hours
MonthAverageTotal
January12365
February11310
March9275
April6.5200
May4.5145
June4120
July4.5130
August5160
September6180
October6.5205
November10300
December11.5350
Year7.52750

At these latitude, the Andean area receives moderate precipitation in the winter months, so there are eternal snows above 4,000 meters (13,000 ft). At 3,500 meters (11,500 ft) above sea level, the average temperature ranges from -6.5 °C (20.5 °F) in June and July to 4 °C (39 °F) in January. In this region, you can find ski resorts, such as Portillo and La Parva.
Continuing south along the coast, the rains become progressively more abundant. In Concepción, precipitation reaches 1,100 mm (43 in) per year, with heavy rains from May to August; moreover, here some rainfalls, albeit generally not abundant, are possible even in summer.

The South



Climate of southern Chile
Southern Chile has a climate that ranges from cool to cold. Below the 40th parallel, we enter a region that has a strongly oceanic climate, where not only the total amount of rainfall is high, from 2,000 to 4,000 mm (79 to 157 in) per year, but also summer is a rainy season, albeit less than winter. In fact, here we are in the zone of the westerly winds, which blow constantly and can be stormy, especially in the south. Obviously, the temperature tends to decrease as we proceed southwards. At this latitude, the Andean areas are green as well, with forests at low altitudes, while perennial snows are found at altitudes not too high.

Valdivia

In Valdivia, at a latitude of 39 degrees south, and therefore at the limit with the previous area, the average temperature ranges from 7.5 °C (45.5 °F) in July to 17 °C (62.5 °F) in February. Here are the average temperatures.
Valdivia - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January92416.6487661.9
February92516.8487662.2
March72214.6457158.2
April71812.1446453.8
May61410.4445850.6
June5128.4415347.2
July4117.7395245.9
August4138.5395547.3
September4159.6395949.3
October51811.5426452.6
November72013.3456756
December92215.3477259.6
Year6.317.71243.463.953.5

In Valdivia, rainfall amounts to 1,800 mm (70 in) per year, of which more than 200 mm (8 in) fall per month from May to August, while there's a minimum of around 40/50 mm (1.6/2 in) in January and February. Here is the average precipitation.
Valdivia - Average precipitation
MonthMillimetersInchesDays
January5025
February401.64
March702.87
April1305.111
May2551016
June33513.218
July26010.217
August2258.916
September1305.112
October1104.312
November853.39
December602.47
Year175569.1136

In Valdivia, the sun shines quite often in summer, while in winter it rarely shines.
Valdivia - Sunshine hours
MonthAverageTotal
January9.5290
February9260
March7215
April4.5130
May2.580
June1.545
July2.570
August3.5110
September5145
October6.5195
November7215
December8.5265
Year5.52020

At the latitude of Valdivia, the sea is cold, and reaches 16 °C (61 °F) in the summer months.
Valdivia - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January1660
February1661
March1560
April1458
May1356
June1254
July1253
August1153
September1253
October1254
November1356
December1559
Year13.556.4

Starting from Puerto Montt, at a latitude of 41 degrees south, the coastline begins to be indented, with islands, bays and fjords, a witness of the effects of glacial erosion occurred in the past millennia.
In Puerto Aysén, at a latitude of 45 degrees south, the climate is cool and rainy throughout the year: the average temperature ranges from 4.5 °C (40 °F) in July to 14 °C (57 °F) in January, and there are no less than 2,250 millimeters (88.5 inches) of rain per year, with no month below 125 mm (5 in).
South of the 45th parallel, there are vast glaciers, with the snowline that progressively decreases, and ice tongues that can even end in the sea (also because of gravity).

Glacier in Chile

Within the fjords there are sheltered places, which receive a lower amount of rain, wind and snow compared with the western coast.

Punta Arenas

The city of Punta Arenas is located at a latitude of 53 degrees south, in the Strait of Magellan, an area partially sheltered from the impetuous westerly winds by the last foothills of the Andes. Therefore, most of the rain falls on the western side, while in Punta Arenas annual precipitation amounts to just 410 mm (16 in), although it's quite frequent throughout the year.
Here is the average precipitation.
Punta Arenas - Average precipitation
MonthMillimetersInchesDays
January401.612
February301.211
March401.612
April451.812
May401.611
June301.29
July301.29
August301.29
September2518
October301.29
November301.210
December301.211
Year41016.1121

Here, both the climate and the landscape are similar to those of Iceland, with colorful houses and glaciers starting at a few hundred meters above sea level. Here are the average temperatures.
Punta Arenas - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January71611.3446152.4
February71611.1446052
March5149.6425749.3
April3117.1385244.8
May184.6354640.2
June-152.2314135.9
July-152304135.6
August063.2324337.7
September195.1354841.2
October3117.1375344.7
November4138.9405648.1
December61510.3425950.6
Year310.76.8537.451.344.5

In Punta Arenas, the sun does not shine very often; however, from November to January it shines for about 7 hours and a half a day.
Punta Arenas - Sunshine hours
MonthAverageTotal
January7215
February6175
March5160
April4120
May385
June260
July2.575
August3.5115
September5145
October6.5195
November7210
December7220
Year4.91780

In the southernmost part of the coast, the sea is always cold, and only reaches 10 °C (50 °F) in February.
Punta Arenas - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January1049
February1050
March1049
April948
May847
June745
July644
August642
September642
October643
November745
December847
Year7.846

The southernmost tip of Chile, Cape Horn, is also the southernmost tip of South America.
If you want to visit this southernmost area of Chile, the best time is the austral summer, from December to February, when the days can be mild, but nights are often cold. The average temperature in January is around 10 °C (50 °F), while in June and July it's just above freezing (but it reaches the freezing point in the extreme south). Cold waves from Antarctica can lower the temperature by several degrees, especially from April to September, but they do not last long because after a while the westerlies start to blow again.

See also the climate of Easter Island

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When to go and what to pack in Chile

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 See also (cities or regions):

 Antofagasta
 Arica
 Balmaceda
 Chillan
 Concepcion
 Copiapo
 Coyhaique
 Curico
 Iquique
 Others (expand)
 La Serena
 Puerto Montt
 Punta Arenas
 Santiago
 Temuco
 Valdivia

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 Bolivia
 Peru

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