Hanoi in May
In May, Hanoi averages 32°C (90°F) during the day and 24°C (75°F) at night, with frequent rain — about 14 days of the month see precipitation (195 mm total).
ShoulderConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
May is one of the wetter and less comfortable months in Hanoi. If your dates are flexible, consider a different time of year.
How May compares to the rest of the year in Hanoi
May is one of the warmest months in Hanoi (3rd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 5°C above the annual average (28°C). May runs 4°C warmer than April (28°C) and warms a further 1°C into June (33°C).
May sunrise & sunset in Hanoi
Times shown for Hanoi local time (Asia/Ho_Chi_Minh), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Hanoi — May
Golden-hour and blue-hour windows for the 15th of May, in Hanoi's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Hanoi in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Hanoi's popularity.
Crowds & pricing — May in Hanoi
Hanoi is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — May in Hanoi
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Hanoi in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 20°C / 68°F | 14°C / 57°F | 20 mm | 8 | 0 |
| February | 21°C / 70°F | 15°C / 59°F | 30 mm | 12 | 0 |
| March | 23°C / 73°F | 18°C / 64°F | 45 mm | 15 | 0 |
| April | 28°C / 82°F | 21°C / 70°F | 95 mm | 13 | 0 |
| May | 32°C / 90°F | 24°C / 75°F | 195 mm | 14 | 0 |
| June | 33°C / 91°F | 26°C / 79°F | 240 mm | 14 | 0 |
| July | 33°C / 91°F | 26°C / 79°F | 290 mm | 15 | 0 |
| August | 32°C / 90°F | 26°C / 79°F | 320 mm | 16 | 0 |
| September | 31°C / 88°F | 24°C / 75°F | 230 mm | 13 | 0 |
| October | 29°C / 84°F | 22°C / 72°F | 130 mm | 9 | 0 |
| November | 26°C / 79°F | 18°C / 64°F | 45 mm | 6 | 0 |
| December | 22°C / 72°F | 15°C / 59°F | 25 mm | 6 | 0 |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Hanoi in May →
Frequently asked questions
How hot is Hanoi in May?
In May, Hanoi averages a high of 32°C (90°F) and a low of 24°C (75°F) — generally hot.
Does it rain a lot in Hanoi in May?
May can be fairly wet in Hanoi, with about 14 rainy days on average.
Is May a good time to visit Hanoi?
May is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Hanoi in May?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Hanoi for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.