Vietnam
Hanoi in August: weather & travel advice
This month's data profile
Rain shapes the decision
Hanoi in August is climatically mixed. The average daily high is around 31 °C. With about 23 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
36/100 · #10
Warmth
#5
Dryness
#12
Sun
#3
Published best categories: none
Hanoi · AugustPhoto: Christopher Crouzet · CC BY-SA 4.0Climate facts
- Average high
- 31 °C
- Average low
- 25 °C
- Rainy days (est.)
- 23 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 86 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| July | 32 | 25 | 23 | 282 | 6.0 | 85 | 1.5 | 34 |
| August (selected) | 31 | 25 | 23 | 311 | 5.9 | 86 | 1.4 | 36 |
| September | 30 | 23 | 18 | 231 | 5.7 | 85 | 1.5 | 45 |
How do the previous and next months compare?
Baseline: August (36/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| July | -2 | +0.6 °C | +0.4 °C | -0.2 | -29.2 mm | +0.1 h | -0.9 % | +0.1 m/s |
| September | +9 | -0.9 °C | -1.6 °C | -5.1 | -80.1 mm | -0.2 h | -0.8 % | +0.1 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Hanoi in August?
The average daily high is around 31 °C, with an average daily low of about 25 °C.
Does it rain a lot in Hanoi in August?
The curated estimate is about 23 rainy days per month, not a directly measured long-term average. Total precipitation averages around 311 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Hanoi?
By the climate score, January, February, November and December are the strongest months for Hanoi. August is not among them.