Climate Overview
The climate in Darien is warm and mild. The average annual temperature is 19°C and approximately 4766mm of precipitation falls per year. Darien receives a notable amount of rainfall throughout the year, including during its driest month. Darien sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Darien has relatively stable temperatures year-round, staying within a 8°C range. February is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. September is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Darien is a very wet location, receiving approximately 4766mm of precipitation annually, which averages out to around 397mm per month. The wettest month is May, averaging 563mm of rainfall. October and April also tend to see above-average precipitation. The driest month is January, with just 263mm. That's 300mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Darien 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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Darien, which began on March 20, 2026. Darien sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 24°C, while the coldest stretch bottoms out in September near 16°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 16 to 23°C. Rainfall is heavy, totalling around 1429mm across the season with a monthly average of 476mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 23°C. Rainfall is heavy, totalling around 1219mm across the season with a monthly average of 406mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 16 to 23°C. Rainfall is heavy, totalling around 1209mm across the season with a monthly average of 403mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 908mm across the season with a monthly average of 303mm. 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 Darien 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.
