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Due to its size, the climate of Vietnam varies considerably from north to south. Tropical monsoons occur from May to October in the north and south of the country. While along the central coast monsoons arrive in the months from September to January. In the other months the climate is dry.
Southern Vietnam has a humid tropical climate, with three distinct seasons. A wet season between May and November, with the rainiest months between June and August. A dry and cool season between December and January, and a dry but hot season between February and April. The hottest months are April and May. The annual average rainfall is around 2,000 mm. Temperatures vary little throughout the year with averages ranging between 21 ° C and 28 ° C.
A MONSONIC CLIMATE
The central coast of Vietnam has a climate almost reversed compared to the south, with the rainy season between August and January and the dry season between February and July. Rainfall is most intense between September and December, the average annual rainfall is around 2,000 mm. The central highlands have a climate similar to the south, but the temperatures are cooler and during winter are also possible frosts.
The north of Vietnam has a sub-tropical climate divided in two seasons a cool and dry season between November and April and a very hot and rainy season between May and October. Average annual rainfall varies between 1,600 and 2,400 mm.
The typhoons are possible in the north and center of the country between July and November.
The capital Hanoi has a wet tropical monsoonal climate, with hot and rains between May and September, and dry and cool climate between November and March. The average annual rainfall is 1,800 mm. The hottest month of the year is July with an average maximum temperature of 33°C and an average minimum of 26°C, while the cooler is January with an average maximum temperature of 19°C and an average minimum of 13°C .
The sea water temperature in Vietnam varies between 30 ° C of the hottest months – June, July and August – and 24 ° C in the months of January, February and March.
WHEN TO GO TO VIETNAM
The best time to travel to Vietnam are the months between November and April.
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VIETNAM CLIMATE: CLIMATIC TABLES
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| HANOI (19 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 13,7 | 19,3 | 18,6 | 8,4 |
| February | 15,0 | 19,9 | 26,2 | 11,3 |
| March | 18,1 | 22,8 | 43,8 | 15,0 |
| April | 21,4 | 27,0 | 90,1 | 13,3 |
| May | 24,3 | 31,5 | 188,5 | 14,2 |
| June | 25,8 | 32,6 | 239,9 | 14,7 |
| July | 26,1 | 32,9 | 288,2 | 15,7 |
| August | 25,7 | 31,9 | 318,0 | 16,7 |
| September | 24,7 | 30,9 | 265,4 | 13,7 |
| October | 21,9 | 28,6 | 130,7 | 9,0 |
| November | 18,5 | 25,2 | 43,4 | 6,5 |
| December | 15,3 | 21,8 | 23,4 | 6,0 |
| YEAR | 20,9 | 27,0 | 1676,2 | 144,5 |
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| DA NANG (7 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 18,5 | 24,8 | 96,2 | 13,7 |
| February | 19,8 | 26,1 | 33,0 | 6,9 |
| March | 21,5 | 28,7 | 22,4 | 4,8 |
| April | 23,3 | 31,0 | 26,9 | 5,6 |
| May | 24,9 | 33,4 | 62,6 | 8,9 |
| June | 25,5 | 33,9 | 87,1 | 8,0 |
| July | 25,3 | 34,3 | 85,6 | 8,6 |
| August | 25,5 | 33,9 | 103,0 | 11,4 |
| September | 24,1 | 31,5 | 349,7 | 15,4 |
| October | 23,2 | 29,6 | 612,8 | 21,2 |
| November | 21,6 | 27,0 | 366,2 | 20,9 |
| December | 19,3 | 24,9 | 199,0 | 18,6 |
| YEAR | 22,7 | 29,9 | 2044,5 | 144 |
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| HO CHI MINH CITY (19 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 21,1 | 31,6 | 13,8 | 2,4 |
| February | 22,5 | 32,9 | 4,1 | 1,0 |
| March | 24,4 | 33,9 | 10,5 | 1,9 |
| April | 25,8 | 34,6 | 50,4 | 5,4 |
| May | 25,2 | 34,0 | 218,4 | 17,8 |
| June | 24,6 | 32,4 | 311,7 | 19,0 |
| July | 24,3 | 32,0 | 293,7 | 22,9 |
| August | 24,3 | 31,8 | 269,8 | 22,4 |
| September | 24,4 | 31,3 | 327,1 | 23,1 |
| October | 23,9 | 31,2 | 266,7 | 20,9 |
| November | 22,8 | 31,0 | 116,5 | 12,1 |
| December | 21,4 | 30,8 | 48,3 | 6,7 |
| YEAR | 23,7 | 32,3 | 1931,0 | 155,6 |
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| DA NANG | ||||
| Month | Sea Water Temperature °C | |||
| January | 24 | |||
| February | 24 | |||
| March | 24 | |||
| April | 26 | |||
| May | 28 | |||
| June | 30 | |||
| July | 30 | |||
| August | 30 | |||
| September | 29 | |||
| October | 28 | |||
| November | 26 | |||
| December | 25 | |||
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