December weather guide

Vietnam weather in December

Cool dry north, warm dry south — peak season opens

Score83Exceptional
Typical day22°C72°F · low 15°C
Rain & sun18mm5.7 hrs sun/day
Towering limestone islands rising from emerald waters in Ha Long Bay, Vietnam, under clear blue skies
By
Institutional byline · Updated

What the weather is like in December

Avg high
22°C
72°F
Avg low
15°C
59°F
Rainfall
18mm
best
Sun / day
5.7 hrs

December is excellent across all three regions. Hanoi cool and very dry (18mm). Hoi An flooding usually clears by mid-December. HCMC warm and dry. Christmas/New Year sees a price spike, particularly in Hoi An and Phu Quoc.

Averages are five-year Open-Meteo (ERA5) figures for Hanoi; other parts of Vietnam vary. Full sources below.

What to pack for Vietnam in December

  • Light layers for warm days
  • A light jacket for the evenings

What's on in December

  • Hoi An Lantern Festival (Hoi An — central coast) — Held on the 14th day of every lunar month — Hoi An's Old Town turns off electric lights and lights with silk lanterns. The defining Hoi An experience.

Is December the right month?

Vietnam's best month is March; the toughest is September. For the best balance of good conditions and smaller crowds, aim for April. See the full month-by-month breakdown for Vietnam.

Where to stay in December

December is peak season in Vietnam, so prices are at their highest. Book early for the best choice of rooms.

Links open a hotel search for 12–18 Dec 2026; you can change the dates there. We may earn a commission, at no extra cost to you.

Frequently asked questions

Is December a good time to visit Vietnam?

December scores 83/100 on the Atlas Ranger Score — "Exceptional" — which blends weather with crowds and price. December is one of the best months to visit Vietnam — strong conditions and the reason many travellers pick this window.

How warm is Vietnam in December?

Expect daytime highs around 22°C (72°F) and overnight lows near 15°C (59°F), with about 5.7 hours of sun a day.

Does it rain in Vietnam in December?

December sees roughly 18mm of rain — relatively dry.

What should I pack for Vietnam in December?

For December, pack: Light layers for warm days; A light jacket for the evenings.

Sources

Every claim on this page is backed by an authoritative source. Atlas Ranger synthesizes data from multiple references so you can see exactly where each fact came from.

  1. Vietnam National Administration of TourismUsed for: Official tourism guidance, festival timing, regional travel intel
  2. Open-Meteo Historical Climate Data (ERA5)Used for: Monthly temperature, rainfall, sunshine averages (2020–2024) — Hanoi as national proxy
  3. U.S. State Department Vietnam Travel AdvisoryUsed for: Independent safety assessment + entry requirement reference
  4. NOAA Joint Typhoon Warning CenterUsed for: Typhoon track records and seasonality for the Vietnamese coast

Keep planning

Plan your Vietnam trip