Climate Insights for Mar del Plata

The climate in Mar del Plata is temperate. The average annual temperature is 14°C and approximately 802mm of precipitation falls per year. May is the wettest month, receiving around 122mm of rainfall. Mar del Plata 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: February, December, January. The coldest months are July, June, August, when temperatures can drop to 7°C.

Mar del Plata sees moderate temperature variation throughout the year, ranging from 7°C to 24°C. February is the warmest month, though highs remain moderate at 24°C with a mean of 21°C. July is the coolest month, with minimum temperatures around 7°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Mar del Plata is a moderately rainy area, receiving approximately 802mm of precipitation annually, which averages out to around 67mm per month. The wettest month is May, averaging 122mm of rainfall. September and January also tend to see above-average precipitation. The driest month is August, with just 11mm. That's 112mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Mar del Plata is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Mar del Plata, which began on June 21, 2026. Mar del Plata is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 24°C, while the coldest stretch bottoms out in July near 7°C. Spring is next, beginning on September 23, 2026 — 63 days from now.

The best time to visit Mar del Plata is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 62mm per month. By contrast, July can be quite cold with temperatures dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Mar del Plata 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.