Climate Insights for Mayagüez

The climate in Mayagüez is hot. The average annual temperature is 27°C and approximately 656mm of precipitation falls per year. September is the wettest month, receiving around 126mm of rainfall. Mayagüez is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, March, January, when temperatures can drop to 24°C.

Mayagüez has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 28°C. February 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 3°C between highs and lows.

Mayagüez is a relatively dry area, receiving approximately 656mm of precipitation annually, which averages out to around 55mm per month. The wettest month is September, averaging 126mm of rainfall. August and November also tend to see above-average precipitation. The driest month is December, with just 18mm. That's 108mm less than September, 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.

Mayagüez is mildly breezy, with an average annual wind speed of 14km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16km/h in winter, 13km/h in spring, 13km/h in summer, 13km/h in autumn.

It is currently autumn in Mayagüez, which began on September 23, 2026. Mayagüez 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 August at around 29°C, while the coldest stretch bottoms out in February near 24°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The table below shows monthly climate averages for Mayagüez 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.