Hanoi monthly weather averages

Average daytime temperature

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

Hanoi average temperature chart (Celsius) Hanoi average temperature chart (Fahrenheit)
Average monthly temperatures in Hanoi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19.3 19.8 22.7 27 31.4 32.6 33 32 31 28.5 25 21.7
°F 66.8 67.6 72.9 80.6 88.5 90.7 91.5 89.7 87.9 83.3 77 71.1

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.

Hanoi monthly rainfall chart (mm) Hanoi monthly rainfall chart (inches)
Average monthly rainfall in Hanoi (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 22 28 42 97 181 242 258 297 225 125 57 19
inches 0.9 1.1 1.7 3.8 7.1 9.5 10.1 11.7 8.8 4.9 2.3 0.7
Rainy days 11 12 15 14 14 15 16 17 14 11 8 5

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Hanoi

Hanoi average daily sunshine chart
Average daily sunshine Hanoi
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.7 2 2.2 4 6.5 6 6.8 6 6.3 5.8 5.1 4.5

Day / night temperatures

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

Hanoi average minimum / maximum temperatures (Celsius) Hanoi average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hanoi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14 15.1 18 21.5 24.5 25.9 26.2 25.8 24.8 22.2 18.7 15.4
Max °C 19.5 19.9 22.9 27.2 31.6 32.8 33.2 32.2 31.2 28.7 25.2 21.9
Min °F 57.1 59.2 64.3 70.6 76 78.5 79.2 78.4 76.6 71.9 65.6 59.6
Max °F 62.1 63.5 68.7 75.7 82.4 84.7 85.5 84.2 82.4 77.7 71.4 65.5

Sea temperature

The graph below shows the average sea temperature.

Hanoi average sea temperature chart (Celsius) Hanoi average sea temperature chart (Fahrenheit)
Average sea temperature around Hanoi in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 21.1 20.9 22.2 24.3 27.2 29.1 29.6 29.7 29.2 27.8 25.5 22.7
°F 69.9 69.7 71.9 75.8 81 84.5 85.4 85.5 84.6 82 77.9 72.9

Wind speed

The graph below shows the average wind speed.

Hanoi average winspeed by month (km/h) Hanoi average winspeed by month (mph)
Average wind speed in Hanoi (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 7 8 8 8 8 7 7 5 6 6 6 6
mph 5 5 5 5 5 4 4 3 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.

Hanoi relative humidity averages
Average relative humidity in Hanoi
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 85% 86% 86% 83% 83% 82% 85% 83% 82% 80% 80%
Hanoi

Other monthly averages

UV index Best time to go?

Hanoi weather stats

Hanoi weather statistics
Hottest month: July 33°C 91.4°F
Driest month: December 19mm 0.7ins
Sunniest month: September 6.3hrs
Coldest month: January 19.3°C 66.7°F
Wettest month: August 297mm 11.7ins
Warmest sea: August 29.7°C 85.5°F
Map showing location of Hanoi (21.0245, 105.84117)

Locations nearby

Top Vietnam locations

Change units