Climate Overview
The climate in Puntarenas is hot. The average annual temperature is 26°C and approximately 3264mm of precipitation falls per year. October is the wettest month, receiving around 543mm of rainfall. Puntarenas sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Puntarenas has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is March, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Puntarenas is a very wet location, receiving approximately 3264mm of precipitation annually, which averages out to around 272mm per month. The wettest month is October, averaging 543mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 15mm. That's 528mm 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
Puntarenas is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/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 Puntarenas, which began on September 23, 2026. Puntarenas sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 31°C, while the coldest stretch bottoms out in January near 23°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 591mm across the season with a monthly average of 197mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1184mm across the season with a monthly average of 395mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 1331mm across the season with a monthly average of 444mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 31°C. Precipitation is moderate at around 157mm for the season, averaging 52mm per month. 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 Puntarenas 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.
