WanderWhen

Hanoi weather in August

August is a challenging month to visit Hanoi — consider November–December instead. Expect highs around 32°C, lows near 26°C, and about 25 days with rain.

2.5 · Challengingtravel score for August
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
32°C
Avg low
26°C
Rainfall
407 mm
Rain days
25
Sunshine
8.2 h/day
Daylight
12.7 h

What to pack for Hanoi in August

  • light, breathable clothing
  • sun protection (hat, SPF 50)
  • a compact umbrella or rain shell — rain is frequent
  • expect humid, sticky conditions

Humidity averages 86%; max daily wind around 14 km/h.

How August compares

January: 8.0/10 JFebruary: 8.0/10 FMarch: 7.6/10 MApril: 5.6/10 AMay: 2.9/10 MJune: 1.8/10 JJuly: 1.8/10 JAugust: 2.5/10 ASeptember: 3.4/10 SOctober: 6.7/10 ONovember: 9.6/10 NDecember: 9.8/10 D

Best months in Hanoi: November–December. See the full best time to visit Hanoi guide.

Hanoi in August: the details

In August, Hanoi sees average daytime highs of 32°C (90°F) and overnight lows of 26°C (79°F). Rainfall totals roughly 407 mm across 25 rainy days, and the sun shines about 8.2 hours per day with 12.7 hours of daylight mid-month. Relative humidity averages 86%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Hanoi, Vietnam (21.02, 105.84) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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