Is Hạ Long hot in April?
Days are typically warm at 27.1°C, while nights average 21.4°C.
Vietnam · 1991–2020 normal
Hạ Long in
April.
Typical April weather in Hạ Long: 27.1°C by day, 21.4°C at night, 66 mm of rain over 7.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.1°C
Typical low21.4°C
Rain66 mm
Wet days7.4
In the year-round weather comparison, April scores 70 out of 100 (December leads the year at 93). Daylight is calculated as 12 h 36 from latitude 20.95°. Open-water sea temperature is 22.9°C (32 km from the place centre).
April at a glance
What is Hạ Long like in April?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 66 mm across about 7 wet days.
How much daylight is there?
There are about 12 h 36 between sunrise and sunset at mid-month, calculated from the place latitude.
Is April a good time to visit?
April ranks 6 of 12 in our weather comparison; December ranks first.
Event window
Warm sea in April
The nearest open-water NOAA OISST 1991–2020 cell averages 22.9°C in April. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1580410
- NOAA station
- VMM00048826 · PHU LIEN
- Station distance
- 48.7 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Hạ Long is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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