Climate Insights for Melipilla

The climate in Melipilla is warm and mild. The average annual temperature is 23°C and approximately 192mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Melipilla 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: August, November, October. The coldest months are August, May, June, when temperatures can drop to 15°C.

Melipilla sees moderate temperature variation throughout the year, ranging from 15°C to 28°C. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 15°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between August and September, with a 4°C shift in average temperatures.

Melipilla is a quite dry location, receiving approximately 192mm of precipitation annually, which averages out to around 16mm per month. The wettest month is August, averaging 33mm of rainfall. September and November also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 33mm less than August, 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.

Melipilla 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 January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 5km/h in winter, 5km/h in spring, 8km/h in summer, 8km/h in autumn.

It is currently winter in Melipilla, which began on June 21, 2026. Melipilla 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 August at around 28°C, while the coldest stretch bottoms out in August near 15°C. Spring is next, beginning on September 23, 2026 — 22 days from now.

The best time to visit Melipilla is during January, February, March, April, May, June, July, August and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 14mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Melipilla 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.