Climate Insights for Mayagüez

The climate in Mayagüez is hot. The average annual temperature is 26°C and approximately 976mm of precipitation falls per year. September is the wettest month, receiving around 163mm of rainfall. Mayagüez is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to 22°C.

Mayagüez has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Mayagüez is a moderately rainy area, receiving approximately 976mm of precipitation annually, which averages out to around 81mm per month. The wettest month is September, averaging 163mm of rainfall. October and August also tend to see above-average precipitation. The driest month is January, with just 21mm. That's 142mm 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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, 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 5km/h between the calmest and windiest months.

It is currently spring in Mayagüez, which began on March 20, 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 July at around 30°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Mayagüez is during January, February, March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 46mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 30°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 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.