HanoiPhoto: Christopher Crouzet · CC BY-SA 4.0Vietnam · Asia
Best time to visit Hanoi
Hanoi has a hot, humid summer with rain from May to September and a mild, often overcast winter. October, November and early spring are most pleasant.
Climate decision
Best travel months for Hanoi
Joint highest scores
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
September · Wet days
22.4 days/month
1991–2025: 18.1 days/month
+4.3 days/month · higher
February · Monthly precipitation
64.7 mm/month
1991–2025: 27.5 mm/month
+37.2 mm/month · higher
February · Mean daily maximum
23.4 °C
1991–2025: 24.1 °C
-0.7 °C · lower
April: 92/150 days at or above 30 °C; highest single value 41.3 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Hanoi: rainfall separates the travel months
The driest and wettest months are 19.3 rainy days apart. Average daily highs vary by 11.1 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine and the activity you have in mind.
Fewest rainy days
December · 3.9
Most rainy days
August · 23.2
Most sunshine
June · 6.1 h
Highest average daily high
May, June and July · 32.3 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| January | 21 | 11 | 4 | 30 | 2.9 | 80 | 1.9 | 84 |
| February | 24 | 14 | 6 | 27 | 3.3 | 80 | 2.1 | 86 |
| March | 28 | 17 | 10 | 51 | 3.8 | 79 | 2.3 | 72 |
| April | 31 | 21 | 11 | 75 | 4.7 | 78 | 2.2 | 54 |
| May | 32 | 24 | 18 | 181 | 5.8 | 80 | 1.9 | 39 |
| June | 32 | 25 | 21 | 224 | 6.1 | 84 | 1.6 | 35 |
| July | 32 | 25 | 23 | 282 | 6.0 | 85 | 1.5 | 34 |
| August | 31 | 25 | 23 | 311 | 5.9 | 86 | 1.4 | 36 |
| September | 30 | 23 | 18 | 231 | 5.7 | 85 | 1.5 | 45 |
| October | 28 | 20 | 12 | 125 | 4.9 | 83 | 1.7 | 67 |
| November | 25 | 16 | 7 | 50 | 4.2 | 81 | 1.6 | 85 |
| December | 22 | 12 | 4 | 24 | 3.4 | 79 | 1.7 | 86 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Hanoi
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Similar destinations
The number is the overall climate score, not a similarity score.
Frequently asked questions
When is the best time to visit Hanoi?
The strongest climate months are January, February, November, December. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Hanoi?
Average daily maximum temperatures in Hanoi are practically tied in May, June and July at around 32 °C.