Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 26.2 °C | 26.9 °C | 17 days | Possible, with trade-offs |
| February | 26.8 °C | 26.7 °C | 14 days | Possible, with trade-offs |
| March | 27.9 °C | 27.4 °C | 14 days | Possible, with trade-offs |
| April | 29.1 °C | 28.1 °C | 11 days | Ideal — one of the best times of year |
| May | 29.8 °C | 29 °C | 19 days | Unfavourable season |
| June | 29.5 °C | 29.3 °C | 25 days | Unfavourable season |
| July | 29.4 °C | 29.3 °C | 25 days | Unfavourable season |
| August | 29.7 °C | 29.8 °C | 26 days | Unfavourable season |
| September | 29.8 °C | 30.1 °C | 27 days | Unfavourable season |
| October | 28.9 °C | 29.7 °C | 24 days | Unfavourable season |
| November | 27.7 °C | 28.6 °C | 22 days | Unfavourable season |
| December | 26.8 °C | 27.6 °C | 22 days | Unfavourable season |
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 30 days. Passport valid for at least 3 months. Some airlines refuse boarding unless the passport is valid 6 months after arrival; extensions cost 200 Belize dollars per 30 days.
For a British passport, per the UK Foreign Office on 12 June 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 12 June 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. No entry requirement.
Malaria · None.
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 Belize City in December?
The sea averages 27.6°C in December — yes, pleasant swimming.
How hot is Belize City in December?
Expect 26.8°C in the afternoon and 22.8°C at night, averaged over the last 10 years.
Does it rain a lot in Belize City in December?
Around 22 days with rain (≥ 1 mm) in the month — 70% of days.