Hạ Long monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Hạ Long

Hạ Long average temperature chart (Celsius) Hạ Long average temperature chart (Fahrenheit)
Average monthly temperatures in Hạ Long (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19.3 19.6 22.8 27.1 31 31.9 32.4 31.8 30.9 28.3 24.9 21.6
°F 66.7 67.3 73 80.9 87.9 89.5 90.3 89.2 87.7 83 76.8 70.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Hạ Long monthly rainfall chart (mm) Hạ Long monthly rainfall chart (inches)
Average monthly rainfall in Hạ Long (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 27 31 43 91 168 244 267 312 206 119 55 24
inches 1.1 1.2 1.7 3.6 6.6 9.6 10.5 12.3 8.1 4.7 2.2 0.9
Rainy days 10 11 13 13 14 15 15 16 14 11 8 7

Average annual rainfall in Hạ Long: 1715.6mm (675.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Hạ Long

Hạ Long average daily sunshine chart
Average daily sunshine Hạ Long
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.2 2.5 2.7 4.2 6.5 6.2 7.1 6.3 6.6 6 5.4 4.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Hạ Long average minimum / maximum temperatures (Celsius) Hạ Long average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hạ Long (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.8 14.1 17.1 20.9 24 25.3 25.7 25.3 24.1 21.3 17.6 14.1
Max °C 19.5 19.8 22.9 27.3 31.2 32.1 32.6 32 31.1 28.5 25.1 21.8
Min °F 55 57.3 62.8 69.6 75.2 77.5 78.2 77.5 75.4 70.3 63.6 57.3
Max °F 61 62.4 68 75.4 81.7 83.7 84.4 83.5 81.7 76.8 70.3 64.2

Sea temperature

The graph below shows the average sea temperature.

Hạ Long average sea temperature chart (Celsius) Hạ Long average sea temperature chart (Fahrenheit)
Average sea temperature around Hạ Long in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20.9 20.6 21.7 24 27.2 29.3 29.9 30 29.4 27.9 25.5 22.7
°F 69.7 69.1 71 75.2 80.9 84.8 85.8 86.1 85 82.2 77.9 72.8

Wind speed

The graph below shows the average wind speed.

Hạ Long average winspeed by month (km/h) Hạ Long average winspeed by month (mph)
Average wind speed in Hạ Long (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 8 8 8 8 7 7 6 6 7 7 7
mph 5 5 5 5 5 4 5 4 4 4 4 4

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Hạ Long relative humidity averages
Average relative humidity in Hạ Long
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 84% 85% 84% 81% 80% 79% 82% 81% 80% 78% 78%
Hạ Long

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Hạ Long weather stats

Hạ Long weather statistics
Hottest month: July 32.4°C 90.3°F
Driest month: December 24mm 0.9ins
Sunniest month: July 7.1hrs
Coldest month: January 19.3°C 66.7°F
Wettest month: August 312mm 12.3ins
Warmest sea: August 30°C 86°F
Map showing location of Hạ Long (20.95111, 107.08) Hạ Long map pin © Google

Locations nearby

Top Vietnam locations