Hạ Long Weather in April
Average highs run from 27°C on April 1 to 30°C on April 30, and lows from 19°C to 23°C. Normal precipitation for the month is 66 mm over about 9 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 28°C
- Average low
- 21°C
- Precipitation
- 66 mm
- Reanalysis high
- 37°CApr 21, 1992
- Reanalysis low
- 12°CApr 1, 1991
- Daylight
- 12 h 21 min to 12 h 54 min
- Cloud cover
- 78%
- Humidity
- 82%
- Dew point
- 21°C
- Wind
- 12.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 27°C | 19°C | 34°C 2007 | 12°C 1991 | 35% |
| Apr 2 | 27°C | 19°C | 34°C 2003 | 13°C 1991 | 34% |
| Apr 3 | 27°C | 19°C | 34°C 1993 | 13°C 1996 | 34% |
| Apr 4 | 27°C | 20°C | 35°C 1993 | 13°C 2007 | 35% |
| Apr 5 | 27°C | 20°C | 33°C 2006 | 14°C 1996 | 35% |
| Apr 6 | 27°C | 20°C | 32°C 2002 | 15°C 2018 | 35% |
| Apr 7 | 27°C | 20°C | 32°C 2003 | 14°C 2018 | 34% |
| Apr 8 | 27°C | 20°C | 33°C 2005 | 14°C 2018 | 34% |
| Apr 9 | 28°C | 20°C | 34°C 2008 | 15°C 2004 | 33% |
| Apr 10 | 28°C | 20°C | 35°C 1991 | 15°C 2015 | 32% |
| Apr 11 | 28°C | 20°C | 34°C 2006 | 14°C 2002 | 32% |
| Apr 12 | 28°C | 21°C | 36°C 2006 | 13°C 2001 | 32% |
| Apr 13 | 28°C | 21°C | 35°C 2003 | 16°C 2020 | 32% |
| Apr 14 | 28°C | 21°C | 31°C 2016 | 15°C 2020 | 32% |
| Apr 15 | 28°C | 21°C | 31°C 1995 | 14°C 2010 | 32% |
| Apr 16 | 29°C | 21°C | 32°C 2016 | 14°C 2010 | 32% |
| Apr 17 | 29°C | 21°C | 32°C 1991 | 17°C 2010 | 32% |
| Apr 18 | 29°C | 21°C | 35°C 1992 | 18°C 2018 | 32% |
| Apr 19 | 29°C | 21°C | 34°C 1992 | 19°C 2007 | 33% |
| Apr 20 | 29°C | 22°C | 35°C 2019 | 17°C 1996 | 34% |
| Apr 21 | 29°C | 22°C | 37°C 1992 | 16°C 1996 | 34% |
| Apr 22 | 29°C | 22°C | 34°C 2007 | 15°C 1996 | 36% |
| Apr 23 | 29°C | 22°C | 35°C 2007 | 17°C 1996 | 36% |
| Apr 24 | 29°C | 22°C | 35°C 1998 | 16°C 2020 | 37% |
| Apr 25 | 29°C | 22°C | 36°C 2012 | 15°C 2020 | 38% |
| Apr 26 | 30°C | 22°C | 35°C 1994 | 16°C 1997 | 39% |
| Apr 27 | 30°C | 22°C | 32°C 2006 | 18°C 2020 | 41% |
| Apr 28 | 30°C | 23°C | 33°C 1993 | 17°C 1999 | 41% |
| Apr 29 | 30°C | 23°C | 35°C 2005 | 18°C 1999 | 42% |
| Apr 30 | 30°C | 23°C | 36°C 2005 | 19°C 2007 | 43% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- April 1
- sunrise 5:45 AM, sunset 6:06 PM
- April 30
- sunrise 5:22 AM, sunset 6:16 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.