Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 27 °C | 27.2 °C | 13 days | Ideal — one of the best times of year |
| February | 26.9 °C | 26.8 °C | 12 days | Ideal — one of the best times of year |
| March | 27.2 °C | 26.7 °C | 13 days | Ideal — one of the best times of year |
| April | 28.1 °C | 27.2 °C | 15 days | Possible, with trade-offs |
| May | 29.2 °C | 28.1 °C | 18 days | Possible, with trade-offs |
| June | 30.2 °C | 28.8 °C | 14 days | Possible, with trade-offs |
| July | 30.1 °C | 28.9 °C | 12 days | Ideal — one of the best times of year |
| August | 30.3 °C | 29.1 °C | 16 days | Possible, with trade-offs |
| September | 30.4 °C | 29.7 °C | 22 days | Unfavourable season |
| October | 29.9 °C | 29.6 °C | 22 days | Unfavourable season |
| November | 28.5 °C | 29 °C | 21 days | Unfavourable season |
| December | 27.6 °C | 28 °C | 15 days | Possible, with trade-offs |
Nearby in May
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 90 days. Passport valid for at least 6 months. Entry fee of 10 US dollars in cash on arrival; departure tax of 55 US dollars, usually included in the air fare. FCDO advises against travel.
For a British passport, per the UK Foreign Office on 10 December 2025. Rules change: check before booking.
Safety
Travel advised against
Authorities advise against travelling there.
Official advice updated 10 December 2025
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; rabies and cholera depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · Present. Areas: All (including Labadee, also known as Port Labadee). Preventive medication recommended: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, tafenoquine — prescribed before departure.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 3 September 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Cap-Haïtien in May?
The sea averages 28.1°C in May — yes, pleasant swimming.
How hot is Cap-Haïtien in May?
Expect 29.2°C in the afternoon and 24.1°C at night, averaged over the last 10 years.
Does it rain a lot in Cap-Haïtien in May?
Around 18 days with rain (≥ 1 mm) in the month — 58% of days.