Vietnam
Hanoi in May: weather & travel advice
This month's data profile
Rain shapes the decision
Hanoi in May is climatically mixed. The average daily high is around 32 °C. With about 18 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
39/100 · #9
Warmth
#2
Dryness
#9
Sun
#4
Published best categories: none
Hanoi · MayPhoto: Christopher Crouzet · CC BY-SA 4.0Climate facts
- Average high
- 32 °C
- Average low
- 24 °C
- Rainy days (est.)
- 18 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 80 %
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 |
|---|---|---|---|---|---|---|---|---|
| April | 31 | 21 | 11 | 75 | 4.7 | 78 | 2.2 | 54 |
| May (selected) | 32 | 24 | 18 | 181 | 5.8 | 80 | 1.9 | 39 |
| June | 32 | 25 | 21 | 224 | 6.1 | 84 | 1.6 | 35 |
How do the previous and next months compare?
Baseline: May (39/100)
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 | |
|---|---|---|---|---|---|---|---|---|
| April | +15 | -0.8 °C | -2.8 °C | -6.9 | -106.7 mm | -1.1 h | -2.4 % | +0.3 m/s |
| June | -4 | ±0 °C | +1.8 °C | +2.7 | +43 mm | +0.3 h | +3.5 % | -0.3 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Hanoi in May?
The average daily high is around 32 °C, with an average daily low of about 24 °C.
Does it rain a lot in Hanoi in May?
The curated estimate is about 18 rainy days per month, not a directly measured long-term average. Total precipitation averages around 181 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. May is not among them.