Climate Overview
The climate in San Rafael del Sur is hot. The average annual temperature is 28°C and approximately 1545mm of precipitation falls per year. October is the wettest month, receiving around 390mm of rainfall. San Rafael del Sur is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, February. The coldest months are January, February, October, when temperatures can drop to 24°C.
Temperature
San Rafael del Sur has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is April, when average highs reach 34°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 24°C and an average of 28°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
San Rafael del Sur is a fairly wet location, receiving approximately 1545mm of precipitation annually, which averages out to around 129mm per month. The wettest month is October, averaging 390mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 390mm less than October, 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
San Rafael del Sur is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 14km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 20km/h in winter, 16km/h in spring, 13km/h in summer, 9km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in San Rafael del Sur, which began on September 23, 2026. San Rafael del Sur 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 April at around 34°C, while the coldest stretch bottoms out in January near 24°C. Winter is next, beginning on December 21, 2026 (89 days from now).
Spring
Temperatures range from 25 to 34°C. Precipitation is moderate at around 219mm for the season, averaging 73mm per month. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 499mm across the season with a monthly average of 166mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 810mm across the season with a monthly average of 270mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 33°C. Precipitation is minimal, with only around 16mm for the entire season. Winds are moderate at around 20km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for San Rafael del Sur 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.
