Climate Insights for Luquillo

The climate in Luquillo is hot. The average annual temperature is 26°C and approximately 1228mm of precipitation falls per year. Luquillo receives a notable amount of rainfall throughout the year, including during its driest month. Luquillo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are March, February, January, when temperatures can drop to 24°C.

Luquillo has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. March is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Luquillo is a fairly wet location, receiving approximately 1228mm of precipitation annually, which averages out to around 102mm per month. The wettest month is November, averaging 171mm of rainfall. September and October also tend to see above-average precipitation. The driest month is February, with just 52mm. That's 119mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Luquillo 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 July, 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.

It is currently summer in Luquillo, which began on June 21, 2026. Luquillo is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 29°C, while the coldest stretch bottoms out in March near 24°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Luquillo is during February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 59mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Luquillo 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.