Climate Insights for Costa Chica
Partido de La Costa, Buenos Aires, Argentina
Climate Overview
The climate in Costa Chica is temperate. The average annual temperature is 16°C and approximately 846 mm of precipitation falls per year. Costa Chica receives a notable amount of rainfall throughout the year, including during its driest month. Costa Chica is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are July, August, June, when temperatures can drop to 8°C.The climate in Costa Chica is temperate. The average annual temperature is 61°F and approximately 33.3 in of precipitation falls per year. Costa Chica receives a notable amount of rainfall throughout the year, including during its driest month. Costa Chica is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are July, August, June, when temperatures can drop to 47°F.
Temperature
Costa Chica sees moderate temperature variation throughout the year, ranging from 8°C to 24°C. January is the warmest month, though highs remain moderate at 24°C with a mean of 22°C. July is the coolest month, with minimum temperatures around 8°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.Costa Chica sees moderate temperature variation throughout the year, ranging from 47°F to 75°F. January is the warmest month, though highs remain moderate at 75°F with a mean of 72°F. July is the coolest month, with minimum temperatures around 47°F and an average of 50°F. Daily temperature variation is modest, with an average difference of 6°F between highs and lows. The sharpest temperature change occurs between April and May, with a 6°F shift in average temperatures.
Precipitation
Costa Chica is a moderately rainy area, receiving approximately 846 mm of precipitation annually, which averages out to around 70 mm per month. The wettest month is March, averaging 86 mm of rainfall. April and December also tend to see above-average precipitation. The driest month is June, with just 58 mm. That's 28 mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.Costa Chica is a moderately rainy area, receiving approximately 33.3 in of precipitation annually, which averages out to around 2.8 in per month. The wettest month is March, averaging 3.4 in of rainfall. April and December also tend to see above-average precipitation. The driest month is June, with just 2.3 in. That's 1.1 in less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Costa Chica is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Costa Chica is very windy, with an average annual wind speed of 13mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in September, with average winds dropping to 13mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Costa Chica is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 76 mm per month. By contrast, July can be quite cold with temperatures dropping to 8°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Costa Chica is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 68°F with modest rainfall averaging 3 in per month. By contrast, July can be quite cold with temperatures dropping to 47°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Costa Chica based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Costa Chica based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.