Climate and monthly weather forecast
Santiago, Chile

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Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance
Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance

The climate of Santiago

Positioned in the temperate belt, Santiago boasts a Mediterranean climate, with a warm summer - classified by Köppen as Csb. Weather conditions vary significantly over the year, with each season bringing its own unique set of characteristics.

Throughout the year, temperatures in Santiago fluctuate notably, with average highs ranging from 11.4°C (52.5°F) in July to 25.5°C (77.9°F) in January. Similarly, average low temperatures span between 2.4°C (36.3°F) in July and 12.4°C (54.3°F) in January, indicating a broad temperature spectrum. This wide-ranging weather allows citizens and tourists to enjoy a diverse climate across the twelve months.

Profound variations occur in the city's other weather parameters as well. A clear shift in rainfall patterns is evident, transitioning from scanty rainfall in January and February, around 1mm (0.04"), to a peak of 67mm (2.64") in June. The annual relative humidity reads between 36% from March to April and maxes out at 55% in July.

Unique weather patterns present themselves in terms of daylight hours and sunshine. Daylight hours fluctuate from a minimum of 10 hours in June and July, to a maximum of 14.3 hours in December. Similarly, sunshine hours exhibit a range from 8.3 hours in June and July to 10 hours in February.

The best time to visit Santiago

Considering the various weather parameters, the optimal time to visit the Chilean capital would be during the summer months from November to March. During this period, the city experiences average high temperatures ranging from 20.8°C (69.4°F) in November to 25.5°C (77.9°F) in January, offering pleasant weather conditions for outdoor activities. Sunshine is abundant, with nine to ten hours of sunlight each day, and rainfall is at its minimal level, with monthly averages less than 5mm (0.2"). Visiting during this time allows tourists to enjoy sightseeing under clear skies while experiencing Santiago's warmth.

The worst time to visit Santiago

The least favourable time to visit Santiago would be during the winter months from June to August. These months see the lowest temperatures of the year, with average highs falling to 11.4°C (52.5°F) in July and average lows dropping to 2.4°C (36.3°F). Furthermore, the city tackles its highest rainfall during this period with a substantial average rainfall of 43mm (1.69") from June till August, coupled with a heightened average relative humidity of 52%.

Spring weather in Santiago

Santiago's spring, extending from September to November, brings an increase in temperature with average highs jumping from 15.5°C (59.9°F) to 20.8°C (69.4°F), and lows from 4.4°C (39.9°F) to 8.8°C (47.8°F). Simultaneously, daylight hours and sunshine hours start to increase, benefiting outdoor recreational activities. Rainfall decreases significantly from 15mm (0.59") in September to 4mm (0.16") by November, painting a picture of the ideal spring scenery.

Summer weather in Santiago

The Chilean capital's summer, from December to February, is characterized by a consistently warm climate. High temperatures hover around the mid-20s°C, while the lows constantly remain above 10°C (50°F). These months stand out for their consistent sunshine, retrieving around ten hours per day, combined with an advantageous UV index of 5. This stands alongside one of the least monthly average rainfall of under 2mm (0.08") in January and February, crafting the ideal conditions for holidaying.

Autumn weather in Santiago

During the autumn months, from March to May, Santiago experiences a decline in temperatures. Average highs decrease from 24.2°C (75.6°F) in March to 16.6°C (61.9°F) in May, and lows from 10.9°C (51.6°F) to 6.9°C (44.4°F). The season witnesses blooming sunshine with approximately nine hours daily, although rainfall shows an upward trend from onemm in March to 21mm (0.83") by May. Despite this, the cooler weather coupled with viable humidity levels still make it an enjoyable time to explore the city.

Winter weather in Santiago

Santiago's winter, lasting from June to August, is the coldest season, recording the lowest temperatures of the year with highs bottoming out at 11.4°C (52.5°F) in July, and lows invariably below 5°C (41°F). The winter months also mark the most substantial rainfall, escalating from 25mm (0.98") in June to 67mm (2.64") by July. Despite these conditions, this winter wonder also offers up close to eight hours of daylight and a moderate level of sunshine.

Weather in January

January kicks off with sunny days in Santiago, Chile. Visitors can enjoy sightseeing under clear, blue skies. Compared to December, the peak temperature of the day reaches a slightly higher average, notably an alluring 25.5°C (77.9°F). Weather in January »

Weather in February

Chile’s capital city, Santiago, finds February sharing much with the previous month. Warmth envelops throughout the day, only to be softened by cool evening zephyrs. Indeed, a slight dip in the mercury from 25.5°C (77.9°F) to 25.4°C (77.7°F) may be observed. Weather in February »

Weather in March

Santiago experiences a subtle shift into autumn weather in March. The month sees a gentle departure from the previous two, with a slightly cooler ambient temperature. Rays of sunshine remain abundant, albeit slightly muted, allowing for comfortable walks in the city’s parks. Weather in March »

Weather in April

The gradual onset of autumn in Santiago becomes more noticeable in April. The afternoon sun still warms the city with its rays, yet is less intense compared to previous months. April witnesses a significant increase in rainfall, going up from one millimeter to four millimeters. Weather in April »

Weather in May

As autumn advances, May arrives in Santiago bringing substantial changes in its wake. A heightened cloud presence casts an entirely different mood across the city, painting an overall cooler picture. Rainy days become more common, offering relief to public gardens and giving a fresh outlook to local streets. Weather in May »

Weather in June

June marks the start of the winter season in Santiago. Despite the drop in temperatures, especially during the evenings, the sun continues to shine panoramic views of the snow-bordered city. Snowfall of 6mm (0.24") graces Santiago in June, a phenomenon exclusive to winter months. Weather in June »

Weather in July

Nestled deep in winter, July presents Santiago under a different light. Cold temperatures and frequent clouds, however, do not deter the sun from peeking through shedding its warmth. A distinct drop in temperatures can be experienced, down to an average low of 2.4°C (36.3°F) during nighttime. Weather in July »

Weather in August

Slowly transitioning towards spring, August in Santiago can be a mixed bag of weather experiences. On one hand, there is an increase in daily maximum temperatures, while on the other, nights continue to be quite chilly. Interestingly, the city waves goodbye to snowfall from August onwards. Weather in August »

Weather in September

September signifies the arrival of spring in Santiago, Chile. As temperatures begin to rise and clouds disperse, the ambiance unmistakably carries the scent of a fresh new season. Rainfall decreases to 15mm (0.59"), with the weather proving more predictable than the previous month. Weather in September »

Weather in October

October experiences an upward trend in temperatures in Santiago. The city brims with sun rays and clear skies, setting a typical spring mood. A further fall in rainfall establishes October as a dry period, similar to what was witnessed between January and March. Weather in October »

Weather in November

The anticipation of the warm summer months rapidly builds in November. The weather in Santiago favors outdoor activities, with plenty of sunshine and temperatures sitting comfortably between warm and cool. While rainfall is scarce, the air’s humidity keeps the city’s verdant charm intact. Weather in November »

Weather in December

December brings summer to Santiago, drenching the city in blue skies and sunlight. The transformation can be noticed in the significant rise in maximum day temperatures when compared to November. However, despite being the commencement of summer, rainfall increases from 2mm (0.08") to 5mm (0.2"). Weather in December »
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Frequently asked questions

What month is the hottest in Santiago?

January is the warmest month in Santiago, with the temperature often reaching an average high of 25.5°C (77.9°F) and an average low of 12.4°C (54.3°F).

What is the driest month in Santiago?

The months with the least rainfall in Santiago are January through March Rain falls for 0.8 days and accumulates 1mm (0.04") of rain.

How many days does it rain in Santiago?

In Santiago, during the entire year, the rain falls for 45 days and collects up to 190mm (7.48") of precipitation.

When it does not snow in Santiago?

January through May, August through December are months without snowfall.

How much does it snow in Santiago?

Throughout the year, in Santiago, 8mm (0.31") of snow is accumulated.

When is the highest UV index in Santiago?

January through March, November and December, with an average maximum UV index of 5, are months with the highest UV index in Santiago, Chile.

What month has the most sunshine in Santiago?

With an average of 10h of sunshine, February has the most sunshine of the year.

What are the least humid months in Santiago?

The months with the lowest humidity in Santiago, Chile, are March and April, with an average relative humidity of 36%.

When is Daylight Saving Time (DST) in Santiago?

On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends, and the time zone changes from -03 to -04. The next Daylight Saving Time starts on Sunday, 08. September 2024, at 00:00, and the time zone reverts from -04 to -03.

When is the lowest UV index in Santiago?

The months with the lowest UV index in Santiago, Chile, are May through September, with an average maximum UV index of 3.

What is the rainiest month in Santiago?

The month with the most rainfall in Santiago, Chile, is June, when the rain falls for 7.4 days and typically aggregates up to 67mm (2.64") of precipitation.

When does it snow in Santiago?

June and July are months with snowfall.

When does it snow the most in Santiago?

June is the month with the most snowfall. Snow falls for 0.1 days and accumulates 6mm (0.24") of snow.

What is the month with the shortest days in Santiago?

June has the shortest days of the year, with an average of 10h and 0min of daylight.

What are the months with the least sunshine in Santiago?

The months with the least sunshine in Santiago, Chile, are June and July, with an average of 8.3h of sunshine.

What month is the coldest in Santiago?

Santiago, Chile, experiences its average lowest temperatures in July, reaching a peak of 11.4°C (52.5°F) and a minimum of 2.4°C (36.3°F).

What is the most humid month in Santiago?

July is the most humid month in Santiago, Chile, with an average relative humidity of 55%.

When are the longest days in Santiago?

With an average of 14h and 18min of daylight, December has the longest days of the year.

Average temperature
Santiago, Chile

Average temperature - Santiago, Chile

The warmest month (with the highest average high temperature) is January (25.5°C).
The month with the lowest average high temperature is July (11.4°C).

The month with the highest average low temperature is January (12.4°C).
The coldest month (with the lowest average low temperature) is July (2.4°C).

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Average pressure
Santiago, Chile

Average pressure - Santiago, Chile

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

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Average wind speed
Santiago, Chile

Average wind speed - Santiago, Chile

The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest months (with the lowest average wind speed) are March and April (7.2km/h).

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Average humidity
Santiago, Chile

Average humidity - Santiago, Chile

The month with the highest relative humidity is July (55%).
The months with the lowest relative humidity are March and April (36%).

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Average rainfall
Santiago, Chile

Average rainfall - Santiago, Chile

The wettest month (with the highest rainfall) is June (67mm).
The driest months (with the least rainfall) are January, February and March (1mm).

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Average rainfall days
Santiago, Chile

Average rainfall days - Santiago, Chile

The month with the highest number of rainy days is June (7.4 days).
The month with the least rainy days is February (0.7 days).

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Average snowfall
Santiago, Chile

Average snowfall - Santiago, Chile

The month with the highest snowfall is June (6mm).
The months with the least snowfall are January, February, March, April, May, August, September, October, November and December (0mm).

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Average snowfall days
Santiago, Chile

Average snowfall days - Santiago, Chile

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, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Santiago, Chile

Average daylight / Average sunshine - Santiago, Chile

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The months with the least sunshine are June and July (Average sunshine: 8h and 18min).

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Average sunshine days
Santiago, Chile

Average sunshine days - Santiago, Chile

The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (22.2 days).

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Average UV index
Santiago, Chile

Average UV index - Santiago, Chile

The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

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Average visibility
Santiago, Chile

Average visibility - Santiago, Chile

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Santiago, Chile

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