Climate Overview
The climate in Puerto Rico Airport is hot. The average annual temperature is 26°C and approximately 1904mm of precipitation falls per year. December is the wettest month, receiving around 303mm of rainfall. Puerto Rico Airport is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: September, August, October. The coldest months are July, June, August, when temperatures can drop to 19°C.
Temperature
Puerto Rico Airport sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is September, when average highs reach 34°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Puerto Rico Airport is a fairly wet location, receiving approximately 1904mm of precipitation annually, which averages out to around 159mm per month. The wettest month is December, averaging 303mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 11mm. That's 291mm less than December, 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
Puerto Rico 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 August, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 6km/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
87 days until Summer
It is currently spring in Puerto Rico Airport, which began on September 23, 2026. Puerto Rico Airport is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in September at around 34°C, while the coldest stretch bottoms out in July near 19°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 418mm across the season with a monthly average of 139mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 877mm across the season with a monthly average of 292mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 31°C. Rainfall is heavy, totalling around 528mm across the season with a monthly average of 176mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 33°C. Rainfall is relatively light, with around 81mm over the season and a monthly average of 27mm. Winds are generally light, averaging 7km/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 Puerto Rico Airport is during May, June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 41mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 34°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 Puerto Rico 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.
