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Best Time to Visit Timor-Leste: Weather, Seasons and Whales

Last verified: Checked against climate data, government advice and dive operators

By David · Updated

Quick answer · as of October 2026

The best time to visit Timor-Leste is the dry season, from about May to November, and especially June to September, when roads are passable, seas are calm and mountain views are clear. October and November add the whale migration past Dili and Atauro. The wet season, roughly December to April, brings heavy rain, landslides and closed roads.

Best months
June to September
Whale season
Mid-October to November
Wet season
About December to April
Dili temperature
Highs of 31–33°C all year
On this page

Seasons at a glance

Timor-Leste has a dry season and a wet season rather than summer and winter. It is hot on the coast all year and cooler in the mountains.

Timor-Leste seasons and what they mean for travellers
MonthsSeasonWhat to expect
December–AprilWetHeavy rain (peaking January–February), humid, some roads closed by landslides and floods
MayTransitionRain easing, green landscapes, fewer visitors
June–SeptemberDryDriest and most reliable; calm seas; cool mountain nights
October–NovemberLate dryHotter, hazier; whale migration; rains may start late November

Dili weather by month

Dili is one of the driest parts of the country, with about 780 mm of rain a year (1991–2020 averages), and August and September are the driest months. Daytime highs are around 31 to 33°C all year and nights 21 to 24°C. The sea stays warm, around 27 to 30°C. See Timor-Leste weather by month for each month's rainfall, temperatures, holidays and events.

Best time for each activity

  • Beaches and snorkelling: June to September, when the sea is calmest and clearest.
  • Diving: all year, with the calmest conditions June to September.
  • Whale watching: mid-October to November. See whale watching.
  • Mount Ramelau: June to November for the best chance of a clear sunrise. Bring warm clothes.
  • Road trips east to Jaco: May to November; June to September is most reliable.

Travelling in the wet season

It is possible, but plan for delays. Rain usually comes in afternoon downpours rather than all day, but landslides can close mountain roads and river crossings, and boat trips are cancelled in rough seas. Keep your plans flexible and avoid long drives after heavy rain.

Public holidays

Hotels in Dili fill up and offices close around the main national days. Restoration of Independence Day (20 May) and Popular Consultation Day (30 August) are the biggest. Christmas and Easter are also important in this mainly Catholic country. See all public holidays and festivals.

Frequently asked questions

What is the rainy season in Timor-Leste?

Roughly December to April, with the heaviest rain in January and February. Dili is drier than the mountains and the south coast.

When can you see whales in Timor-Leste?

Pygmy blue whales and other whales migrate along the north coast, with the best chances from mid-October to November. Sightings are likely but never guaranteed.

Is it cold in Timor-Leste?

Not on the coast, where it is hot all year. But nights in the mountains can be cool, and the summit of Mount Ramelau can drop below 5°C before dawn.

Sources

Official sites, operators and references we checked for this page.

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