Climate Overview
The climate in Port-au-Prince is warm and mild. The average annual temperature is 23°C and approximately 1536mm of precipitation falls per year. September is the wettest month, receiving around 203mm of rainfall. Port-au-Prince is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, February, December, when temperatures can drop to 17°C.
Temperature
Port-au-Prince sees moderate temperature variation throughout the year, ranging from 17°C to 29°C. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 17°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Port-au-Prince is a fairly wet location, receiving approximately 1536mm of precipitation annually, which averages out to around 128mm per month. The wettest month is September, averaging 203mm of rainfall. October and April also tend to see above-average precipitation. The driest month is January, with just 29mm. That's 174mm 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.
Wind
Port-au-Prince 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 June, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, 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
90 days until Summer
It is currently spring in Port-au-Prince, which began on March 20, 2026. Port-au-Prince 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 29°C, while the coldest stretch bottoms out in January near 17°C. Summer is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 19 to 28°C. Rainfall is heavy, totalling around 487mm across the season with a monthly average of 162mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 426mm across the season with a monthly average of 142mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 29°C. Rainfall is heavy, totalling around 522mm across the season with a monthly average of 174mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 17 to 27°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. 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 Port-au-Prince is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 34mm per month. By contrast, July 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.
Monthly Climate Data
The table below shows monthly climate averages for Port-au-Prince 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.
