Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 29.6 °C | 29 °C | 27 days | Unfavourable season |
| February | 29.3 °C | 28.6 °C | 25 days | Unfavourable season |
| March | 29.6 °C | 29.1 °C | 26 days | Unfavourable season |
| April | 30.5 °C | 29.6 °C | 19 days | Unfavourable season |
| May | 31.5 °C | 29.3 °C | 12 days | Ideal — one of the best times of year |
| June | 31.1 °C | 28.6 °C | 8 days | Ideal — one of the best times of year |
| July | 30.8 °C | 27.8 °C | 5 days | Ideal — one of the best times of year |
| August | 31.4 °C | 27.4 °C | 4 days | Ideal — one of the best times of year |
| September | 31.7 °C | 27.8 °C | 7 days | Ideal — one of the best times of year |
| October | 32.1 °C | 28.9 °C | 9 days | Ideal — one of the best times of year |
| November | 31.7 °C | 29.9 °C | 18 days | Possible, with trade-offs |
| December | 30.3 °C | 29.9 °C | 26 days | Unfavourable season |
Nearby in December
Before you go
Three things to check once you have picked your dates.
Entry
Visa issued on arrival (30 US dollars) for stays of up to 30 days. Passport valid for at least 6 months. Single-entry 30-day tourist visa issued on arrival at Dili airport or seaport, 30 US dollars cash only; 2 blank pages needed.
For a British passport, per the UK Foreign Office on 10 December 2025. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
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 Japanese encephalitis depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. No entry requirement.
Malaria · None.
Mosquitoes · dengue 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 Dili in December?
The sea averages 29.9°C in December — yes, pleasant swimming.
How hot is Dili in December?
Expect 30.3°C in the afternoon and 25.7°C at night, averaged over the last 10 years.
Does it rain a lot in Dili in December?
Around 26 days with rain (≥ 1 mm) in the month — 84% of days.