Climate and monthly weather forecast
Buin, Chile

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The climate of Buin

Buin, Chile seating at the geographic coordinates of 33.73°S latitude and 70.74°W longitude follows the Köppen climate classification of Csb, denoting a Mediterranean warm summer climate. Being situated between twelve months, varying attributes distinctly define the city's climate. Dashed across the year, temperatures exhibit a declining and rising pattern with January being the warmest month at an average high of 28.3°C (82.9°F) and July as the coldest, hitting a low of 3.7°C (38.7°F).

Monthly rainfall amounts take a cyclical pattern, with a low phase between January and April registering minimal rainfall from 1mm (0.04") to 8mm (0.31"). Then, the lines start to spike from May, reaching the peak in June with 78mm (3.07") and begin to tumble down again by November, resting with 7mm (0.28") and 6mm (0.24") for the last two months of the year. Fewer rainy days are observed between January and March; however, this swiftly changes come April, and by June, the city experiences approximately 7.9 rainy days. Minimum rainy days recorded are 0.7 in February.

Relative humidity in Buin varies from 41% to 61%, the highest relative humidity being 61% in July. The daylight hours display a fall and rise pattern, fluctuating between 9.9 hours in June to 14.4 hours in December. While Buin have fairly consistent visibility throughout the year at 10km (6.2mi), cloud coverage shows significant variations with a minimum of 4% in February to a maximum of 28% in June.

The best time to visit Buin

The best time to visit Buin highly depends on the visitor's preference for daily weather conditions. However, the data points towards the warmer months of January, February, and March as the ideal time when the temperature averages between 26.8°C (80.2°F) to 28.3°C (82.9°F). Rain is sparse over these months, allowing more time for outdoor activities with less chance of precipitation-based interruptions.

The worst time to visit Buin

On the contrary, Buin receives heavy rainfall during winter, especially in June, with a rainfall amount up to 78mm (3.07") over 7.9 days. Accompanied by the lowest temperatures of the year, with a cold 3.7°C (38.7°F) minimum in July, this period might not appeal to visitors looking for a warm holiday experience.

Spring weather in Buin

Spring in Buin commences with steady rises in temperature from 18.4°C (65.1°F) in September, 20.3°C (68.5°F) in October to 24.2°C (75.6°F) by November. Though rainfalls reduce and reach a minimal by November, cloudy days increase significantly, causing a mild blockage on the otherwise splendid sunshine hours. Temperature lows fluctuate between 7.9°C (46.2°F) and 9.5°C (49.1°F).

Summer weather in Buin

The city of Buin welcomes summer with temperatures that fluctuate between highs of 24.2°C (75.6°F) in December and 28.3°C (82.9°F) in January, dropping to a still warm 26.8°C (80.2°F) in February. Rainfall remains minimal during these months, averaging from 3mm (0.12") in January to 1mm (0.04") in February. With 14.1 daylight hours in December subtly reducing to 13.3 hours in February, visitors can expect ample time to explore the city.

Autumn weather in Buin

Autumn brings a gradual decrease in temperature ranging from high of 26.8°C (80.2°F) in March to 22.8°C (73°F) in April, further dropping to 18.4°C (65.1°F) in May. Rainfall begins to increase in this period, with 8mm (0.31") in April soaring to 31mm (1.22") in May. The fall in temperature, combined with modest rainfall, paints Buin with stunning autumnal hues, making it a spectacle worth witnessing.

Winter weather in Buin

Winter temperatures in Buin range from a low of 3.7°C (38.7°F) in July to a high of 15.2°C (59.4°F) in August. Coupled with the chilly temperatures, this period also witnesses the high rainfalls, with June registering at 78mm (3.07"). Reduced daylight hours, from 10.2 hours in July extending cautiously to 11.9 hours in September, coupled with increased humidity, give Buin a crisp wintry air.

Weather in January

During January, Buin experiences it's hottest month with average highest temperatures peaking at 28.3°C (82.9°F). The summer is in full swing, and this typically provides the city with long, sunlit days and minimal rain. The sun spends approximately 14.1 hours per day illuminating the seasonal landscape. Weather in January »

Weather in February

Park visits and outdoor activities remain appealing in February, as the weather stays comfortable in Buin, Chile. A notable decrease in daylight, dropping to 13.3 hours, and a slight cooling trend from the previous month is observed. Weather in February »

Weather in March

March witnesses a mild weather suitable for enjoying the bucolic surroundings that Buin offers. Transitioning from summer to fall, a further decrease in temperature is observed, giving way to cooler evenings as the low registers at 11.5°C (52.7°F). Weather in March »

Weather in April

April brings moderate temperatures and increase in rainfall, giving the landscape of Buin tropical characteristics. An increase in the average weather precipitation to 8mm (0.31") signifies the beginning of more frequent rain showers. Weather in April »

Weather in May

Falling into the autumn season, May brings noticeable drops in temperature, and rainfall levels rise significantly. A fivefold increase to 31mm (1.22") of rainfall compared to April makes it the first month in the year with heavy rainfall. Weather in May »

Weather in June

June images traditional winter climate conditions in Buin, Chile, with the average low temperature dropping down to 5.1°C (41.2°F). This turns out to be a time of quality sunshine, with 8.2 hours of sunshine per day despite it being the midst of winter. Weather in June »

Weather in July

The winter season continues in July, which is regarded as the coldest month of the year in Buin. The month witnesses an average low temperature at 3.7°C (38.7°F), indicating chilly nights. The city experiences an elevated humidity level reaching 61%, creating a damp and cold environment. Weather in July »

Weather in August

August experiences a warming trend as the temperature rises gradually symbolizing the anticipation of spring. While the nights continue to be cold, the average high temperature increases to 15.2°C (59.4°F). Metropolis experiences a slight decrease in rainfall, down to 38mm (1.5"), signaling the gradual exit of winter weather. Weather in August »

Weather in September

The arrival of spring in September graces Buin, Chile, with a noticeable uplift in weather conditions. The city experiences a visible increase in temperatures, along with a decrease in the level of rainfall by approximately 29%, to 27mm (1.06"). Weather in September »

Weather in October

October continues with the spring season, and the weather conditions further improve. Buin is treated with a rise in temperature to an average high of 20.3°C (68.5°F). This is in line with a further decrease in rainfall by about 30% to 19mm (0.75") when compared to the previous month. Weather in October »

Weather in November

November is when the spring season transitions to summer, resulting in warm and comfortable weather environment in Buin. With a significant increment in the average peak temperature to 24.2°C (75.6°F), November offers bright and sunny days. Weather in November »

Weather in December

December ends the annual weather cycle on a pleasant note in Buin. The city welcomes the holiday season with an average peak temperature of 26.6°C (79.9°F). Rain is a rare sight, with an average of just 7mm (0.28") of rain received during the month. Weather in December »
Updated: Jan 24, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in Buin?

In Buin, the peak average temperatures are observed in January, with a high of 28.3°C (82.9°F) and a low of 12.9°C (55.2°F).

How much does it rain in Buin?

In Buin, Chile, during the entire year, the rain falls for 50.7 days and collects up to 265mm (10.43") of precipitation.

What is the month with the most sunshine in Buin?

January and February, with an average of 9.9h of sunshine, are months with the most sunshine.

When is the highest UV index in Buin?

The month with the highest UV index in Buin is January, with an average maximum UV index of 6.

What is the driest month in Buin?

The months with the least rainfall in Buin, Chile, are February and March Rain falls for 0.7 days and accumulates 1mm (0.04") of rain.

What is the least humid month in Buin?

With an average relative humidity of 41%, March is the least humid month in Buin.

When is Daylight Saving Time (DST) in Buin?

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.

What is the month with the lowest UV index in Buin?

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

What is the rainiest month in Buin?

The month with the most rainfall is June, when the rain falls for 7.9 days and typically aggregates up to 78mm (3.07") of precipitation.

What is the month with the shortest days in Buin?

With an average of 9h and 54min of daylight, June has the shortest days of the year in Buin, Chile.

What is the month with the least sunshine in Buin?

June has the least sunshine of the year, with an average of 8.2h of sunshine.

What time of the year is the coldest in Buin?

In Buin, the average lowest temperatures are observed in July, with a high of 12.9°C (55.2°F) and a low of 3.7°C (38.7°F).

What is the most humid month in Buin?

With an average relative humidity of 61%, July is the most humid month in Buin, Chile.

When are the longest days in Buin?

The month with the longest days is December, with an average of 14h and 24min of daylight.

Average temperature
Buin, Chile

Average temperature - Buin, Chile

The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (12.9°C).

The month with the highest average low temperature is January (12.9°C).
The coldest month (with the lowest average low temperature) is July (3.7°C).

Average pressure
Buin, Chile

Average pressure - Buin, Chile

The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

Average wind speed
Buin, Chile

Average wind speed - Buin, Chile

The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is May (5.8km/h).

Average rainfall
Buin, Chile

Average rainfall - Buin, Chile

The wettest month (with the highest rainfall) is June (78mm).
The driest months (with the least rainfall) are February and March (1mm).

Average rainfall days
Buin, Chile

Average rainfall days - Buin, Chile

The month with the highest number of rainy days is June (7.9 days).
The month with the least rainy days is February (0.7 days).

Average daylight / Average sunshine
Buin, Chile

Average daylight / Average sunshine - Buin, Chile

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 8h and 12min).

Average sunshine days
Buin, Chile

Average sunshine days - Buin, Chile

The month with the most sunshine days is March (29 days).
The month with the least sunshine days is June (21.3 days).

Average UV index
Buin, Chile

Average UV index - Buin, Chile

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

Average visibility
Buin, Chile

Average visibility - Buin, 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).

Buin, Chile

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