Climate Insights for San Juan Bautista

The climate in San Juan Bautista is warm and mild. The average annual temperature is 21°C and approximately 102mm of precipitation falls per year. February is the wettest month, receiving around 34mm of rainfall. San Juan Bautista 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: March, February, January. The coldest months are July, August, June, when temperatures can drop to 15°C.

San Juan Bautista sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 23°C. July is the coolest month, with minimum temperatures around 15°C and an average of 19°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

San Juan Bautista is a quite dry location, receiving approximately 102mm of precipitation annually, which averages out to around 8mm per month. The wettest month is February, averaging 34mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 34mm less than February, 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.

San Juan Bautista is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 12km/h in winter, 14km/h in spring, 14km/h in summer, 13km/h in autumn.

It is currently autumn in San Juan Bautista, which began on March 20, 2026. San Juan Bautista 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 March at around 29°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit San Juan Bautista is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 8mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for San Juan Bautista 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.