Ha Long Bay in May
ok · worth considering · the sunniest month of the year
The year in Ha Long Bay
Tap a month for its page
- JanJHa Long Bay in January: ok, busy
- FebFHa Long Bay in February: good
- MarMHa Long Bay in March: good, busy
- AprAHa Long Bay in April: sweet spot
- MayMHa Long Bay in May: ok
- JunJHa Long Bay in June: avoid
- JulJHa Long Bay in July: avoid
- AugAHa Long Bay in August: avoid
- SepSHa Long Bay in September: avoid
- OctOHa Long Bay in October: sweet spot
- NovNHa Long Bay in November: sweet spot
- DecDHa Long Bay in December: good, busy
- Sweet spot
- Good
- OK
- Avoid
- Busy
Plan this trip
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The numbers
| Daily high | 30°C |
|---|---|
| Nightly low | 25°C |
| Feels like, afternoon | 35°C |
| Rainy days, 1 mm or more | 10 · 187 mm |
| Humidity | 84% |
| Sunshine | 8.9 h/day |
| Daylight | 13.1 h/day |
| Days over 35°C | 0 |
| Crowds | 80 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.
Weather read at Bãi Cháy, Hạ Long, 43 km from the airport (VDO): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.
How busy it gets
Public holidays in May
- International Labor Day 1 May 2027
- International Labor Day (observed) 3 May 2027
- Liberation Day/Reunification Day (observed) 2 May 2028
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
Ha Long Bay in pictures
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Jakub Hałun, CC BY 4.0, via Wikimedia Commons
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Steven C. Price, CC BY-SA 4.0, via Wikimedia Commons
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Thomas Hirsch / User:Ravn, CC BY-SA 3.0, via Wikimedia Commons
What to pack
- Summer clothes by day, highs around 30°C.
- A packable rain jacket for the 10 or so rainy days.
- Sun protection: about 9 hours of sunshine a day.
- Humidity averages 84%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
Type A and C and F and G plugs at 220 V. Drives on the right. The currency is the Vietnamese đồng. No UK Foreign Office advice against travel. Global Affairs Canada: Exercise a high degree of caution. US State Department: Level 1: Exercise Normal Precautions. Everything for Vietnam: cost of living, languages, emergency numbers and health.
On arrival in Ha Long Bay: the apps, paying, getting around, tipping and the emergency numbers.
May elsewhere
In May from
The other months at Ha Long Bay
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