Climate Overview
The climate in San Isidro de El General Airport is warm and mild. The average annual temperature is 18°C and approximately 3858mm of precipitation falls per year. San Isidro de El General Airport receives a notable amount of rainfall throughout the year, including during its driest month. San Isidro de El General Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Isidro de El General Airport has relatively stable temperatures year-round, staying within a 10°C range. May is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 13°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
San Isidro de El General Airport is a very wet location, receiving approximately 3858mm of precipitation annually, which averages out to around 321mm per month. The wettest month is October, averaging 615mm of rainfall. May and September also tend to see above-average precipitation. The driest month is February, with just 51mm. That's 564mm 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 Isidro de El General Airport 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 February, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in San Isidro de El General Airport, which began on March 20, 2026. San Isidro de El General Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 23°C, while the coldest stretch bottoms out in January near 13°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 14 to 23°C. Rainfall is heavy, totalling around 806mm across the season with a monthly average of 269mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 22°C. Rainfall is heavy, totalling around 1286mm across the season with a monthly average of 429mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 15 to 22°C. Rainfall is heavy, totalling around 1538mm across the season with a monthly average of 513mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 13 to 22°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Winds are generally light, averaging 8km/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 San Isidro de El General Airport is during January, February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 69mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 23°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 San Isidro de El General Airport 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.
