Climate Overview
The climate in Calarcá is warm and mild. The average annual temperature is 19°C and approximately 5273mm of precipitation falls per year. Calarcá receives a notable amount of rainfall throughout the year, including during its driest month. Calarcá sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Calarcá has relatively stable temperatures year-round, staying within a 9°C range. September is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 15°C and an average of 18°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Calarcá is a very wet location, receiving approximately 5273mm of precipitation annually, which averages out to around 439mm per month. The wettest month is March, averaging 599mm of rainfall. November and April also tend to see above-average precipitation. The driest month is August, with just 241mm. That's 358mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Calarcá is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently summer in Calarcá, which began on June 21, 2026. Calarcá 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 24°C, while the coldest stretch bottoms out in January near 15°C. Autumn is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 15 to 23°C. Rainfall is heavy, totalling around 1723mm across the season with a monthly average of 574mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 24°C. Rainfall is heavy, totalling around 904mm across the season with a monthly average of 301mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 15 to 24°C. Rainfall is heavy, totalling around 1398mm across the season with a monthly average of 466mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 15 to 24°C. Rainfall is heavy, totalling around 1248mm across the season with a monthly average of 416mm. Winds are generally light, averaging 2km/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 Calarcá 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.
