Dili weather in December

December in Dili: sweltering, soaked, with clean air — not the time — 29 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Dili🇹🇱 Timor-Leste · Java, Bali & Nusa Tenggara · City49
  1. 54Jan
  2. 52Feb
  3. 48Mar
  4. 64Apr
  5. 71May
  6. 76Jun
  7. 78Jul
  8. 79Aug
  9. 74Sep
  10. 69Oct
  11. 61Nov
  12. 49Dec

#11 of 12 months in Dili · #1189 of 1413 destinations to visit in December · comfort 49/100 (tier F)

Days
31°C
Nights
26°C
Wet days
29
Sun
9.4 h
Humidity
87%
Daylight
13 h
Dili, Timor-Leste
Photo: GILBERTO SOARES DOS SANTOS · Pexels

Traveller notes on Dili in December

Other months in Dili

Forum posters cite typical January conditions in Dili around 32C by day and 25C overnight, with high humidity that will have most visitors sweating. Posters describe January as technically still within the wet season, approaching its tail end when the landscape is at its greenest, but note that in practice rain hasn't always been especially heavy during this stretch, keeping sightseeing manageable. Posters describe Dili's tropical climate more broadly as hot and wet through summer, with rain that's typically short but can be severe enough to cause real chaos on roads and roofs when it does come. Posters generally rate January as hot, humid and technically wet-season, but often more manageable in practice than the label suggests.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗
Forum regulars name July and August as the best window to visit, squarely in the dry season - Timor-Leste's climate runs hot and wet through the local summer and warm and dry through winter, and July sits comfortably in the latter. Several posters describe multi-week stays in Dili during July without weather complaints, and getting around by scooter is called notably easier this time of year since the coast roads (unlike the mountain roads) stay in good condition through the dry months.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Dili's card on the map.

Dili climate normals — December

Daytime high31°C / 88°F🔥 sweltering
Nighttime low26°C / 79°F
Feels like (high)39°C / 102°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall278 mm / 10.9 in⛈ soaked
Rainy days29 days
Humidity87%💦 very humid
Dew point26°C / 78°F
Sunshine9.4 h/day
Daylight12.6 h
Wind11 km/h / 7 mph
Air quality (US AQI)27🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Dili in December

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 5 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Dili's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherDili's weather peaks June–August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Dili in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Blue whale migration

    1 Oct – 15 Dec · usuallyWhale seasonBook early

    Pygmy blue whales and sperm whales move through the strait between Dili and Atauro on the southbound leg, close enough that day boats out of the harbour find them. The licensed operators are few and fill up. Source ↗

  • Season

    Wet season

    MonsoonRisk

    29 rainy days and about 278 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in December →

Where is Dili?

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Dili in December — FAQ

Is December a good time to visit Dili?
December in Dili: sweltering, soaked, with clean air — not the time — 29 rainy days. It ranks #11 of 12 months for Dili on SeasonMap's comfort score (49/100).
What is the weather like in Dili in December?
In December, Dili averages a daily high of 31.2°C and a low of 26°C, with about 278.1 mm of rain over roughly 28.9 rainy days.
What is the air quality in Dili in December?
Dili has a mean US Air Quality Index of about 27 in December.