Thai Binh has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April. From June through October or sometimes November, Thai Binh may be affected by tropical depressions or typhoons. It may rain for 3-7 days when affected by a typhoon or tropical depression. Thai Binh is a coastal city/province and may suffer the worst damage by a typhoon.
Cat Ba Island has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April. From June through October or sometimes November, Cat Ba Island may be affected by tropical depressions or typhoons. It may rain for 3-7 days when affected by a typhoon or tropical depression. During the time under the effects of a typhoon, traveling by boat between the island and inland are forebidden.

Hai Phong has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April. From June through October or sometimes November, Hai Phong may be affected by tropical depressions or typhoons. It may rain for 3-7 days when affected by a typhoon or tropical depression. Hai Phong is a coastal city/province and may suffer the worst damage by a typhoon.

Hanoi is located in the Red River Delta in northern Vietnam. The capital of Vietnam has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from mid November through February, spring from February through April.

Halong Bay Vietnam has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April.
Quang Ninh Province has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April. From June through October or sometimes November, Quang Ninh may be affected by tropical depressions or typhoons.
A red hot day in the North and Central Vietnam today! Even the Northeast suffered from the heat strike! The beaches in the South of Vietnam: Vung Tau, Con Dao, Phu Quoc are good; those in the Central Coast are too hot! For cool weather, then go to the Central Highlands or plateaus in northern Vietnam: Dong Van (Ha Giang), Moc Chau (Son La), Sapa (Lao Cai). Try not to go outdoors from 11:00 A.M to 04:00 P.M in the hot regions today and do have good cover and exercise cautions if you have too!

Dong Van Plateau has a tropical monsoon climate on high altitudes: dry season from late November through April and rainy season from May to November. The temperatures are cool in the winter from late October through February which are mostly from below 10oC to 12oC. During the summer months, the temperatures are from 21-29oC.

Ha Giang Province has a tropical monsoon climate: summer from May through July, autumn from late August through October, winter from November through February, spring from February through April.

Bac Kan Province has a tropical monsoon climate: summer from April through July, autumn from late August through October, winter from November through February, spring from late February through March. Bac Kan also bears certain features of continental climate on high altitudes.

Cao Bang Province has a tropical monsoon climate, but there are areas in Cao Bang with subtropical climate.

Lang Son Province has a tropical monsoon climate like most of northern Vietnam but does not often have too high temperatures even in the summer. The temperatures in Lang Son are often at least 2-3oC lower than neighboring regions all year round.