Climate Overview
The climate in San Alejandro is hot. The average annual temperature is 26°C and approximately 2863mm of precipitation falls per year. San Alejandro receives a notable amount of rainfall throughout the year, including during its driest month. San Alejandro sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Alejandro sees moderate temperature variation throughout the year, ranging from 21°C to 34°C. The warmest month is September, when average highs reach 34°C and the mean temperature sits around 27°C. June is the coolest month, with minimum temperatures around 21°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
San Alejandro is a very wet location, receiving approximately 2863mm of precipitation annually, which averages out to around 239mm per month. The wettest month is March, averaging 419mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 64mm. That's 355mm 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
San Alejandro is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in San Alejandro, which began on March 20, 2026. San Alejandro sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 34°C, while the coldest stretch bottoms out in June near 21°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 681mm across the season with a monthly average of 227mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 1068mm across the season with a monthly average of 356mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 884mm across the season with a monthly average of 295mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 34°C. Precipitation is moderate at around 229mm for the season, averaging 76mm per month. Winds are generally light, averaging 7km/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 Alejandro 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.
