Category Archives: Hanoi Weather
Hanoi is located in the Red River Delta, adjacent to Thai Nguyen province, Vinh Phuc province in the North; Ha Nam province and Hoa Binh in the South; Bac Giang province, Bac Ninh province and Hung Yen province in the East; and Hoa Binh province and Phu Tho province in the West. Hanoi is also located in the right back of the Da river and 2 sides of the Red river. It is an ideal location for Hanoi to enjoy moderate weather all year round: mild winter from November to March, humid summer from May to August and cooling breezes for the rest of the year.
The Hanoi climate is typical for a tropical moonsoon climate of the northern climate (hot in the summer, rainy and cold winter, less rainy). With it’s location among tropical zone, Hanoi gets abundant of solar radiation and hight temperatures around the year. The amount of total radiation everage s 11,8kcal/cm2 and year everage temperature is 23,6°C. Due to the influence of the East Sea, Hanoi temperature is quite high humidity and rainfall. The everage annual humidiy is around 79% a year and rainfall is 1,800 mm. There are approximately 114 days raining a year here.
The most obvious change of Hanoi’s characteristic climate is the difference of two seasons hot and cold. It is hot and rainy season from May to September. The everage temperature of this season is around 29,2 degree celsus. It is cold and dry season from November to the next March. The everage temperature is around 15,2 degree celsus. There are 2 transition periods between two seasons (April and October) therefore Hanoi has 4 seasons a year, Spring, Summer, Autumn and Winter. The changes of the weather among 4 seasons make Hanoi has its own beauty. The best time to visit Hanoi is in autumn every year.
| Hanoi Weather Data by Month | |||||||||||||
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec | Year | |
| Highest temp.(°C) | 33 | 34 | 37 | 39 | 43 | 40 | 40 | 37 | 38 | 36 | 36 | 37 | 43 |
| Average high (°C) | 19 | 20 | 23 | 26 | 31 | 32 | 32 | 32 | 31 | 28 | 24 | 21 | 27 |
| Average temp. (°C) | 17 | 17 | 20 | 24 | 27 | 29 | 29 | 28 | 27 | 25 | 21 | 18 | 23 |
| Average low (°C) | 15 | 15 | 18 | 21 | 24 | 25 | 26 | 26 | 25 | 22 | 19 | 15 | 21 |
| Lowest temp.(°C) | 3 | 6 | 7 | 10 | 16 | 21 | 22 | 21 | 17 | 14 | 7 | 5 | 3 |
| Precipitation (mm) | 21 | 28 | 46 | 91 | 183 | 229 | 255 | 296 | 251 | 146 | 46 | 14 | 1607 |
| Humidity (%) | 68 | 70 | 75 | 76 | 73 | 75 | 72 | 75 | 73 | 69 | 68 | 67 | 74 |
| Number of rainy days | 2 | 3 | 4 | 8 | 14 | 16 | 17 | 18 | 15 | 14 | 5 | 2 | 13 |
However, Hanoi is busy around year by visitors from all over the world. The busiest tourist season is from this October to next April. The summer time is considered as the worst weather in Hanoi due to hot and rainy as many other places in South East Asia. But this is the best time to travel Hanoi to advoid the major tourist months. Quiet, more Hanoi and especialy get blue sky and nice weather in each end of the day.
Hanoi Weather by Month:
