Weather in Ha Long Bay in May 2019

  • 31°C maximum daytime temperature in May in Ha Long Bay31
    31°C max day temperature
  • 6 hours of sunshine per day (46% of daylight hours) in May in Ha Long Bay6
    6 hours of sunshine per day
  • 14 days with some rainfall in May in Ha Long Bay14
    14 days with some rainfall
  • 24°C minimum night-time temperature in May in Ha Long Bay24
    24°C min night temperature
  • 13 hours of daylight per day in May in Ha Long Bay13
    13 hours of daylight per day
  • Very high heat & humidity in May in Ha Long BayVH
    Very High heat & humidity
  • 168 mm monthly rainfall in May in Ha Long Bay168
    168 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Ha Long Bay11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Ha Long Bay27
    27°C sea temperature

Going to Ha Long Bay? Find the best month to visit Ha Long Bay based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ha Long Bay in May. Check more long-term weather averages for Ha Long Bay in May before you book your next holiday to Vietnam in 2019/2020.

  • Browse the latest offers & online discounts on holidays
  • Find the best hotel rates & holiday deals of the week
  • Search by destination, holiday type, price & more

More about Ha Long Bay

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Ha Long Bay weather in May

The average maximum daytime temperature in Ha Long Bay in May is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 6 hours of bright sunshine each day, which represents 46% of the 13 hours of daylight.

Expect 168mm (6.6 inches) of rainfall across the whole of May with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Ha Long Bay in May is 27°C (81°F).

Ha Long Bay sunrise & sunset times for May 2019

Browse the sunrise & sunset times for Ha Long Bay in May 2019. Select a month to view Ha Long Bay sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2019 05:22 18:16
Thursday, 2nd May 2019 05:21 18:17
Friday, 3rd May 2019 05:21 18:17
Saturday, 4th May 2019 05:20 18:17
Sunday, 5th May 2019 05:19 18:18
Monday, 6th May 2019 05:19 18:18
Tuesday, 7th May 2019 05:18 18:19
Wednesday, 8th May 2019 05:18 18:19
Thursday, 9th May 2019 05:17 18:20
Friday, 10th May 2019 05:17 18:20
Saturday, 11th May 2019 05:16 18:20
Sunday, 12th May 2019 05:16 18:21
Monday, 13th May 2019 05:15 18:21
Tuesday, 14th May 2019 05:15 18:22
Wednesday, 15th May 2019 05:14 18:22
Thursday, 16th May 2019 05:14 18:22
Friday, 17th May 2019 05:14 18:23
Saturday, 18th May 2019 05:13 18:23
Sunday, 19th May 2019 05:13 18:24
Monday, 20th May 2019 05:13 18:24
Tuesday, 21st May 2019 05:12 18:25
Wednesday, 22nd May 2019 05:12 18:25
Thursday, 23rd May 2019 05:12 18:25
Friday, 24th May 2019 05:11 18:26
Saturday, 25th May 2019 05:11 18:26
Sunday, 26th May 2019 05:11 18:27
Monday, 27th May 2019 05:11 18:27
Tuesday, 28th May 2019 05:11 18:28
Wednesday, 29th May 2019 05:10 18:28
Thursday, 30th May 2019 05:10 18:28
Friday, 31st May 2019 05:10 18:29
  • Check out cheap flights from Cathay Pacific by destination
  • Fly from London Heathrow (LHR) or Manchester (MAN)
  • Destinations include Hong Kong, Sydney, Auckland & Manila

Back to top

Popular Vietnam destinations

More Vietnam destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^