Climate Overview
The climate in Las Cabezas de San Juan is warm and mild. The average annual temperature is 19°C and approximately 420mm of precipitation falls per year. March is the wettest month, receiving around 86mm of rainfall. Las Cabezas de San Juan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 7°C.
Temperature
Temperatures in Las Cabezas de San Juan vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 34°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 7°C and an average of 11°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Las Cabezas de San Juan is a relatively dry area, receiving approximately 420mm of precipitation annually, which averages out to around 35mm per month. The wettest month is March, averaging 86mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 86mm less than March, 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.
Wind
Las Cabezas de San Juan 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 March, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Las Cabezas de San Juan, which began on March 20, 2026. Las Cabezas de San Juan is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 34°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 9 to 27°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 34°C. Precipitation is minimal, with only around 9mm for the entire season. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 30°C. Rainfall is relatively light, with around 139mm over the season and a monthly average of 46mm. Winds are generally light, averaging 14km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 7 to 18°C. Rainfall is relatively light, with around 121mm over the season and a monthly average of 40mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Las Cabezas de San Juan is during April, May, June, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 35mm per month. By contrast, August can be uncomfortably hot with highs reaching 34°C, while January is the coldest period with lows dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Las Cabezas de San Juan 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.
