Climate Overview
The climate in Turrialba is warm and mild. The average annual temperature is 19°C and approximately 3314mm of precipitation falls per year. Turrialba receives a notable amount of rainfall throughout the year, including during its driest month. Turrialba sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Turrialba has relatively stable temperatures year-round, staying within a 10°C range. September is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. February is the coolest month, with minimum temperatures around 14°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Turrialba is a very wet location, receiving approximately 3314mm of precipitation annually, which averages out to around 276mm per month. The wettest month is October, averaging 492mm of rainfall. November and May also tend to see above-average precipitation. The driest month is March, with just 115mm. That's 378mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Turrialba is relatively calm, with an average annual wind speed of 5km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Turrialba, which began on September 23, 2026. Turrialba 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 February near 14°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 14 to 24°C. Rainfall is heavy, totalling around 640mm across the season with a monthly average of 213mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 24°C. Rainfall is heavy, totalling around 864mm across the season with a monthly average of 288mm. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 1249mm across the season with a monthly average of 416mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 21°C. Rainfall is heavy, totalling around 561mm across the season with a monthly average of 187mm. Winds are generally light, averaging 6km/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 Turrialba 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.
