Climate Insights for Constitución

The climate in Constitución is temperate. The average annual temperature is 13°C and approximately 599mm of precipitation falls per year. June is the wettest month, receiving around 150mm of rainfall. Constitución 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, January, December. The coldest months are July, August, June, when temperatures can drop to 5°C.

Temperatures in Constitución vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is February, when average highs reach 26°C and the mean temperature sits around 19°C. July is the coolest month, with minimum temperatures around 5°C and an average of 8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.

Constitución is a relatively dry area, receiving approximately 599mm of precipitation annually, which averages out to around 50mm per month. The wettest month is June, averaging 150mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 2mm. That's 148mm less than June, 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.

Constitución is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

It is currently autumn in Constitución, which began on March 20, 2026. Constitución 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 26°C, while the coldest stretch bottoms out in July near 5°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Constitución is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 5mm per month. By contrast, July can be quite cold with temperatures dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Constitución 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.