Climate Overview
The climate in Cap-Haïtien is hot. The average annual temperature is 26°C and approximately 1009mm of precipitation falls per year. Cap-Haïtien receives a notable amount of rainfall throughout the year, including during its driest month. Cap-Haïtien is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, March, when temperatures can drop to 23°C.
Temperature
Cap-Haïtien has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 23°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Cap-Haïtien is a moderately rainy area, receiving approximately 1009mm of precipitation annually, which averages out to around 84mm per month. The wettest month is November, averaging 179mm of rainfall. March and October also tend to see above-average precipitation. The driest month is June, with just 37mm. That's 142mm 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.
Wind
Cap-Haïtien is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/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.
Seasons
4 days until Summer
It is currently spring in Cap-Haïtien, which began on March 20, 2026. Cap-Haïtien 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 23°C. Summer is next, beginning on June 21, 2026 — 4 days from now.
Spring
Temperatures range from 23 to 28°C. Precipitation is moderate at around 264mm for the season, averaging 88mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 29°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 386mm across the season with a monthly average of 129mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 27°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are generally light, averaging 5km/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 Cap-Haïtien is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 72mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 29°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Cap-Haïtien 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.
