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Hanoi Climate & Temperature

  • Hanoi, Vietnam is at 21°1'N, 105°52'E, 16 m (52 ft). See map.
  • Hanoi has a humid subtropical hot summer climate that is mild with dry winters, hot humid summers and moderate seasonality (Köppen-Geiger classification: Cwa).
  • According to the Holdridge life zones system of bioclimatic classification Hanoi is situated in or near the subtropical moist forest biome.
  • The annual mean temperature is 24.1 degrees Celsius (75.4 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 13 °C (23.4°F). This indicates that the continentality type is oceanic, subtype truly oceanic. Hanoi Climate Graph
  • In the winter time records indicate temperatures by day reach 21°C (69.8°F) on average falling to 14°C (57.2°F) overnight.
  • In spring time temperatures climb reaching 27.7°C (81.8°F) generally in the afternoon with overnight lows of 20.3°C (68.6°F).
  • During summer average high temperatures are 32.7°C (90.8°F) and average low temperatures are 26°C (78.8°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 28.7°C (83.6°F) during the day and lows of 21.3°C (70.4°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1680 mm (66.1 inches) which is equivalent to 1680 Litres/m² (41.21 Gallons/ft²).
  • On average there are 1167 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Hanoi you would pop up nearest to the climate station at Iquique-Diego Aracena, Chile where you would find a Mediterranean climate.

Hanoi Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 20 (68) 21 (70) 23 (73) 28 (82) 32 (90) 33 (91) 33 (91) 32 (90) 31 (88) 29 (84) 26 (79) 22 (72) 28 (82)
 
Average Temperature °C ( °F) 17 (63) 18 (64) 20 (68) 24 (75) 28 (82) 30 (86) 29 (84) 29 (84) 28 (82) 25 (77) 22 (72) 19 (66) 24 (75)
 
Average Min Temperature °C ( °F) 13 (55) 14 (57) 17 (63) 21 (70) 23 (73) 26 (79) 26 (79) 26 (79) 24 (75) 22 (72) 18 (64) 15 (59) 20 (69)
 
Average Precipitation mm (in) 18 (1) 28 (1) 38 (1) 81 (3) 196 (8) 237 (9) 323 (13) 343 (14) 254 (10) 99 (4) 43 (2) 20 (1) 1680 (66)
Number of Wet Days (probability of rain on a day %) 7 (23) 13 (46) 15 (48) 14 (47) 15 (48) 14 (47) 15 (48) 16 (52) 14 (47) 9 (29) 7 (23) 7 (23) 146 (40)
Average Sunlight Hours/ Day 1h 23' 1h 22' 1h 17' 2h 12' 4h 11' 5h 00' 4h 48' 4h 11' 4h 18' 4h 11' 3h 12' 2h 05' 3h 11'
Average Daylight Hours/ Day 10h 59' 11h 25' 11h 59' 12h 36' 13h 07' 13h 22' 13h 16' 12h 49' 12h 14' 11h 37' 11h 06' 10h 52' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 13 (87) 12 (88) 11 (89) 18 (82) 32 (68) 38 (62) 37 (63) 33 (67) 36 (64) 36 (64) 29 (71) 20 (80) 27 (73)
Sun altitude at solar noon on the 21st day (°). 49 58.2 69.1 80.8 88.8 87.6 88.4 81.1 69.6 58.1 48.9 45.5 68.7

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