Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 28.2 °C | 27.7 °C | 13 days | Ideal — one of the best times of year |
| February | 28.1 °C | 27.4 °C | 12 days | Ideal — one of the best times of year |
| March | 28.9 °C | 27.4 °C | 16 days | Possible, with trade-offs |
| April | 29.9 °C | 28 °C | 21 days | Unfavourable season |
| May | 30.4 °C | 28.7 °C | 24 days | Unfavourable season |
| June | 31.1 °C | 28.9 °C | 20 days | Unfavourable season |
| July | 31.3 °C | 29.5 °C | 18 days | Possible, with trade-offs |
| August | 31.4 °C | 29.8 °C | 22 days | Unfavourable season |
| September | 31.4 °C | 30.1 °C | 24 days | Unfavourable season |
| October | 30.4 °C | 29.9 °C | 25 days | Unfavourable season |
| November | 29.1 °C | 29.2 °C | 18 days | Possible, with trade-offs |
| December | 28.5 °C | 28.4 °C | 14 days | Ideal — one of the best times of year |
Nearby in December
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 until your return date. Complete the Immigration and Customs Form C5 online before you arrive; passport needs 2 blank pages for entry and exit stamps.
For a British passport, per the UK Foreign Office on 6 May 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 6 May 2026
Health
Vaccines · hepatitis A and hepatitis B if you are not already vaccinated. 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 · None.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 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 Montego Bay in December?
The sea averages 28.4°C in December — yes, pleasant swimming.
How hot is Montego Bay in December?
Expect 28.5°C in the afternoon and 23.1°C at night, averaged over the last 10 years.
Does it rain a lot in Montego Bay in December?
Around 14 days with rain (≥ 1 mm) in the month — 45% of days.