Climate Insights for Constitución

The climate in Constitución is temperate. The average annual temperature is 13°C and approximately 554mm of precipitation falls per year. June is the wettest month, receiving around 162mm 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, March. The coldest months are July, August, September, when temperatures can drop to 10°C.

Constitución has relatively stable temperatures year-round, staying within a 8°C range. February is the warmest month, though highs remain moderate at 18°C with a mean of 16°C. July is the coolest month, with minimum temperatures around 10°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Constitución is a relatively dry area, receiving approximately 554mm of precipitation annually, which averages out to around 46mm per month. The wettest month is June, averaging 162mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 161mm 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 17km/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 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 16km/h in winter, 18km/h in spring, 19km/h in summer, 16km/h in autumn.

It is currently winter in Constitución, which began on June 21, 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 18°C, while the coldest stretch bottoms out in July near 10°C. Spring is next, beginning on September 23, 2026 (3 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 16°C with modest rainfall averaging 3mm per month. By contrast, July can be quite cold with temperatures dropping to 10°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.