Climate and monthly weather forecast
San Carlos, Chile

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The climate of San Carlos

The geographical situation of San Carlos, Chile, orients it towards a Mediterranean warm summer climate, hence its Köppen climate classification: Csb. The climate in San Carlos undergoes variations throughout the year, exhibiting prominent dichotomy generally seen in regions with Mediterranean climates. The variations that occur in each weather parameter depict a pattern that is formed by alternating seasons of wet and dry periods.

The annual high temperature in San Carlos ranges from 31.4°C (88.5°F) to 12.8°C (55°F), with the peak temperature observed in January and lowest in July. On the other hand, the lowest temperature swings between 13.2°C (55.8°F) and 4.5°C (40.1°F), from January to July. The city witnesses an upward movement in humidity through the year, starting with 47% in January and reaching a high of 77% in July and August, before dipping slightly towards the end of the year. Rainfall patterns in San Carlos follow a similar trend. The year starts with a minimal precipitation of 3mm (0.12") in January, surges to 151mm (5.94") in June and gradually subside to 12mm (0.47") by December.

The city's relative sunshine hours oscillate from 14.3 hours in January and decrease to 9.7 hours in June, before gradually increasing towards the end of the year. The annual range of cloud cover percentage extends from 6% in the initial months of the year to 36% during the winter months of June to August. The wind speed in San Carlos alternates between 9.4km/h (5.8mph) to 7.3km/h (4.5mph) from January to May, rises to 8.9km/h (5.5mph) in June and hovers around 8km/h (5mph) for the rest of the year.

The best time to visit San Carlos

The ideal time to explore San Carlos is during the months when the Mediterranean climate is the most pleasant. That happens in the period from November to March, when temperatures range from 18.1°C (64.6°F) to 31.4°C (88.5°F), providing warm days and cooler nights. Coupled with longer daylight hours, from 10.2 hours increasing to 14.3 hours, and lower rainfall between 3mm (0.12") and 15mm (0.59"), it allows for outdoor activities to be enjoyed without any weather disruption.

The worst time to visit San Carlos

The months of May to August are categorized as unfavorable for visiting San Carlos. During these months, the city experiences its highest rainfall of the year, ranging from 88mm (3.46") to 151mm (5.94"), which coupled with the highest humidity levels of 73% to 77%, results in damp and cold weather. Additionally, the lowest temperature of the year from 4.5°C (40.1°F) to 8.3°C (46.9°F) and shortest daylight durations of 9.7 hours to 10.2 hours make this period less conducive for outdoor tourist activities.

Spring weather in San Carlos

During the spring months of September to November, a gradual increase in temperature can be witnessed in San Carlos, with high temperatures ranging from 17.4°C (63.3°F) to 24.5°C (76.1°F) and lows varying from 5.7°C (42.3°F) to 9°C (48.2°F). Simultaneously, there’s a decrease in rainfall from 51mm (2.01") in September to 15mm (0.59") in November. Hence, these months provide a perfect time to enjoy outdoor activities without significant weather discomfort.

Summer weather in San Carlos

The summer months of December to February are characterized by the city experiencing its hottest weather. The highs oscillate between 28.3°C (82.9°F) in December and peak at 31.4°C (88.5°F) in January, while the lows vary from 9°C (48.2°F) in December to 13.2°C (55.8°F) in January. With a steady level of low rainfall from December till February, ranging from 3mm (0.12") to 4mm (0.16"), this period is best suited for outdoor exploration.

Autumn weather in San Carlos

In the autumn months that stretch between March to May, San Carlos experiences a decrease in temperature from highs of 28.5°C (83.3°F) in March to 18.1°C (64.6°F) in May and lows ranging from 11.5°C (52.7°F) to 8.3°C (46.9°F). With the onset of autumn, there is a steady increase in rainfall from March until a high of 88mm (3.46") in May. Despite April having the highest number of rainfall days, the moderate temperature and blooming nature make it an attractive time to explore the city.

Winter weather in San Carlos

The winter months from June to August depict the coldest period in San Carlos with high temperatures dropping to 12.8°C (55°F) in July and low temperatures decreasing to 4.5°C (40.1°F). The number of rainfall days is also at its peak during these months with 12 days of rainfall in June and 12.4 days in August. However, despite the increased cloud cover of 36%, visibility remains unhindered throughout these months. Winter is an optimal time to encounter the chilly side of the city while also getting to witness daily life in the cold months.

Weather in January

January marks the start of the year with hot weather in San Carlos, Chile, characterized by high humidity levels and minimal cloud coverage. The solar presence is quite substantial this month, making outdoor activities quite popular. Weather in January »

Weather in February

For those seeking warm weather and abundant sunlight, February in San Carlos, Chile offers just that with lesser rainfall compared to January and clear skies. While daily temperatures remain high, there is a noticeable dip in humidity, making it feel a bit more comfortable. Weather in February »

Weather in March

As March approaches, San Carlos, Chile witnesses a further decrease in temperature along with an increase in atmospheric pressure. Despite the continual fall in temperature, this month still falls within the hot weather category due to the near-constant tropical climate prevalent in the area. Weather in March »

Weather in April

April marks the turn of seasons in San Carlos, Chile, and those who prefer milder climates will find this time of year quite inviting. Showers become more frequent, and overcast skies start to replace the regular bright, clear skies. Weather in April »

Weather in May

In May, the weather in San Carlos, Chile tends to remain predominantly cool and is characterized by an increased amount of precipitation. This month marks the onset of winter, with temperatures continuing on their downward trajectory. Weather in May »

Weather in June

The cold winter month of June in San Carlos, Chile is filled with overcast skies and increased cloud presence. Most days remain chilly, and precipitation becomes increasingly common, contributing to the overall chill in the air. June experiences torrential rain with an impressively high figure of 151mm (5.94"). Weather in June »

Weather in July

July marks the peak of winter in San Carlos, Chile with the weather continuing its cold and wet trend. It is typically the coldest month of the year with low temperatures, significant cloud cover, and minimal sunlight exposure. There is a slight dip in rainfall as compared to June, with the total only reaching 111mm (4.37") throughout the month. Weather in July »

Weather in August

In San Carlos, Chile, August sees a very slow return of warmth, following the peak of the winter season in July. Despite this, the weather remains on the colder side, and precipitation levels are comparatively high to the annual average. Weather in August »

Weather in September

September introduces spring in San Carlos, Chile, and brings with it an increase in temperatures and reduction in cloud cover. The weather begins to warm up slightly, and the amount of sunlight starts to gradually increase each day. Weather in September »

Weather in October

October in San Carlos, Chile greets visitors experiencing the city's full spring bloom, with mild weather conditions and an abundance of sunshine. The sunshine hours reach their maximum, resulting in longer and warmer days that are ideal for outdoor adventures. Weather in October »

Weather in November

Coming closer to the end of the year, November in San Carlos, Chile shows definite signs of summer approaching as temperatures begin to rise. Evenings become shorter, and it becomes less likely to experience rain, enhancing outdoor activities significantly. Weather in November »

Weather in December

December marks the advent of summer in San Carlos, Chile as temperatures further ascend, and the sun becomes a regular companion during the majority of daytime hours. It is one of the warmest months of the year, and the weather favors ample outdoor activities without the threat of rain to dampen plans. Weather in December »
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Frequently asked questions

What time of the year is the hottest in San Carlos?

January, having an average high-temperature of 31.4°C (88.5°F) and an average low-temperature of 13.2°C (55.8°F), is the warmest month in San Carlos.

What is the least humid month in San Carlos?

January is the least humid month in San Carlos, with an average relative humidity of 47%.

What is the driest month in San Carlos?

The month with the least rainfall in San Carlos is January, when the rain falls for 1.8 days and typically collects 3mm (0.12") of precipitation.

How many days does it rain in San Carlos?

In San Carlos, Chile, during the entire year, the rain falls for 76.4 days and collects up to 600mm (23.62") of precipitation.

What month has the most sunshine in San Carlos?

With an average of 11.6h of sunshine, January has the most sunshine of the year in San Carlos, Chile.

When is the highest UV index in San Carlos?

The months with the highest UV index in San Carlos are January, February and December, with an average maximum UV index of 6.

When is Daylight Saving Time (DST) in San Carlos?

On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends in San Carlos, Chile, 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.

What is the month with the lowest UV index in San Carlos?

May through July and September, with an average maximum UV index of 3, are months with the lowest UV index in San Carlos, Chile.

What is the rainiest month in San Carlos?

June is the month with the most rainfall in San Carlos, Chile. Rain falls for 12 days and accumulates 151mm (5.94") of precipitation.

What is the month with the shortest days in San Carlos?

The month with the shortest days in San Carlos, Chile, is June, with an average of 9h and 42min of daylight.

What is the month with the least sunshine in San Carlos?

The months with the least sunshine in San Carlos are June and July, with an average of 7.5h of sunshine.

What time of the year is the coldest in San Carlos?

San Carlos's July weather, with an average high temperature of 12.8°C (55°F) and an average low temperature of 4.5°C (40.1°F), tends to be the coldest of the year.

What is the most humid month in San Carlos?

July and August, with an average relative humidity of 77%, are most humid months.

When are the longest days in San Carlos?

The month with the longest days is December, with an average of 14h and 36min of daylight.

Average pressure
San Carlos, Chile

Average pressure - San Carlos, Chile

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

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Average wind speed
San Carlos, Chile

Average wind speed - San Carlos, Chile

The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).

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Average humidity
San Carlos, Chile

Average humidity - San Carlos, Chile

The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is January (47%).

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Average rainfall
San Carlos, Chile

Average rainfall - San Carlos, Chile

The wettest month (with the highest rainfall) is June (151mm).
The driest month (with the least rainfall) is January (3mm).

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Average rainfall days
San Carlos, Chile

Average rainfall days - San Carlos, Chile

The month with the highest number of rainy days is August (12.4 days).
The month with the least rainy days is February (1.6 days).

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Average daylight / Average sunshine
San Carlos, Chile

Average daylight / Average sunshine - San Carlos, Chile

The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).

The month with the most sunshine is January (Average sunshine: 11h and 36min).
The months with the least sunshine are June and July (Average sunshine: 7h and 30min).

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Average sunshine days
San Carlos, Chile

Average sunshine days - San Carlos, Chile

The month with the most sunshine days is March (29 days).
The month with the least sunshine days is June (17.4 days).

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Average UV index
San Carlos, Chile

Average UV index - San Carlos, Chile

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 3).

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Average visibility
San Carlos, Chile

Average visibility - San Carlos, Chile

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).

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San Carlos, Chile

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