SeasonMapHa Giang (Ha Giang Loop) weather in May
Vietnam
May in Ha Giang: sweltering, soaked, with muggy air — not the time — 26 rainy days.
#9 of 12 months in Ha Giang · #1269 of 1383 destinations to visit in May · comfort 48/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ha Giang in May
No notes yet. Open Ha Giang on the map to add the first one.
Ha Giang climate normals — May
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 313 mm / 12.3 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 7.2 h/day | |
| Daylight | 13.2 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 63 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Ha Giang in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyKhau Vai love market, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Ha Giang's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherHa Giang's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Ha Giang in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Khau Vai love market
20 Apr – 15 May · usuallyMajor festivalCrowdedOne night a year at Khau Vai in Meo Vac when former sweethearts are free to meet. An official programme has grown around it, but the hillside above the market still belongs to the villages. Source ↗
- Season
Wet season
MonsoonRisk26 rainy days and about 313 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Ha Giang — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Ha Giang?
Ha Giang in May — FAQ
- Is May a good time to visit Ha Giang?
- May in Ha Giang: sweltering, soaked, with muggy air — not the time — 26 rainy days. It ranks #9 of 12 months for Ha Giang on SeasonMap's comfort score (48/100).
- What is the weather like in Ha Giang in May?
- In May, Ha Giang averages a daily high of 29.6°C and a low of 23.2°C, with about 312.8 mm of rain over roughly 26.1 rainy days.
- What is the air quality in Ha Giang in May?
- Ha Giang has a mean US Air Quality Index of about 63 in May.
Other months in Ha Giang
Compare Ha Giang in May
Warmer or cooler than Ha Giang in May
Similar destinations in Southeast Asia — May
Within 300 km: Ha Long's Reunification Day break on 28 Apr – 4 May.