Seasons in Vietnam

Territory of Vietnam is stretched and has great variety of relief. These features formed climatic diversity within borders of the country. Southern part of Vietnam lies in the zone of tropical monsoon climate where seasons are differs only by amount of precipitation and directions of winds. There two seasons. One is relatively dry (November-April) and the other one is rainy (May-October). No significant temperature changes are observed through whole year.

Northern regions have tropical climate with a bit more distinctive seasonal changes of weather. Summer is hot and humid while winter is cool and rainy. Weather conditions of central portion of the country are some sort of blend of two mentioned kinds of climate.


Weather and Climate

Spring in Vietnam

March and April in Vietnam are hot. Warm sea water brings no relief. In addition at last days of April begins season of tropical showers. Tourists flow gradually comes to naught. Temperature in central regions is about 25 °C (77 °F) and showers are gaining frequency and intensity.

May is very hot. Northern part is showery than central regions. Swimming is available along whole coast. Frequency of rains is only concern while choosing location for vacation at May. Also people with health issues should consider visiting Vietnam at May due to possible difficulties with bearing heat and high humidity.

The climate of the spring months

(Hanoi)

March
Max average t°: +23 °C (74 °F)
Min average t°: +17 °C (63 °F)
Sundial in the day: 4 hours
Rainy days: 1 day
Precipitation: 32 mm (1.3")
April
Max average t°: +28 °C (82 °F)
Min average t°: +21 °C (69 °F)
Sundial in the day: 6 hours
Rainy days: 2 days
Precipitation: 32 mm (1.3")
May
Max average t°: +32 °C (89 °F)
Min average t°: +23 °C (74 °F)
Sundial in the day: 7.5 hours
Rainy days: 7 days
Precipitation: 90 mm (3.5")

Spring holidays

Variable date at March – Day of Remembrance of Kings Hung.

April 30 – Day of liberating the South for national reunification.

May 1 – International Workers' Day.
May 7 – Dien Bien Phu Victory Day.
May 19 – President Ho Chi Minh's Birthday.

Summer in Vietnam

Summertime weather stresses diversity of weather conditions of Vietnam. South of the country has average summer daytime temperature about 33 °C (91 °F). Frequent heavy showers are common thing through whole summer. But they don’t last longer than couple of hours.

Central part of Vietnam is dryer. But at August it is literally flooded with rains and typhoons. Northern regions are bit hotter with even more precipitation. But heat is easier to bear because of ocean breezes. Dusk brings little relief dropping temperature to about 27 °C (81 °F). Also there are tons of mosquitos so repellents are necessary.

The climate of the summer months

(Hanoi)

June
Max average t°: +33 °C (92 °F)
Min average t°: +26 °C (78 °F)
Sundial in the day: 8.5 hours
Rainy days: 11 days
Precipitation: 168 mm (6.6")
July
Max average t°: +33 °C (91 °F)
Min average t°: +25.5 °C (78 °F)
Sundial in the day: 8.5 hours
Rainy days: 15 days
Precipitation: 194 mm (7.6")
August
Max average t°: +32 °C (90 °F)
Min average t°: +25.5 °C (78 °F)
Sundial in the day: 8 hours
Rainy days: 14 days
Precipitation: 221 mm (8.7")


Summer holidays

June 1 – International Children's Day.
June 28 – Vietnamese Family Day.

July 27 – Remembrance Day (Day for Martyrs and Wounded Soldiers)or(Vietnamese War Invalids and Martyrs’ Day).

August 19 – August Revolution Commemoration Day.

Autumn in Vietnam

Rains and heat remain through September and October as well as probability of storms. Water is still warm too. November brings drastic reduction of precipitation yet rain occurs from time to time. At September northernmost regions become sunnier but typhoons cause big waves,

Autumn vacation in central regions including Hanoi is quite dangerous. Until the very beginning of winter there are occasional raging hurricanes with all the consequences. Locals get used to them but unprepared tourists can have troubles. Yet there are quiet regions dry and warm weather. Anyway voyage to any tropical country should be carefully planned.

The climate of the autumn months

(Hanoi)

September
Max average t°: +31 °C (88 °F)
Min average t°: +24 °C (76 °F)
Sundial in the day: 7.5 hours
Rainy days: 11 days
Precipitation: 152 mm (6.0")
October
Max average t°: +29 °C (84 °F)
Min average t°: +21.5 °C (71 °F)
Sundial in the day: 7 hours
Rainy days: 5 days
Precipitation: 94 mm (3.7")
November
Max average t°: +26 °C (78 °F)
Min average t°: +18 °C (64 °F)
Sundial in the day: 5 hours
Rainy days: 2 days
Precipitation: 33 mm (1.3")

Autumn holidays

September 2 – National Day.

October 10 – Capital Liberation Day.
October 13 – Vietnamese Entrepreneur's Day.
October 20 – Vietnamese Women's Day.

November 20 – Vietnamese Teacher's Day.

Winter in Vietnam

December in southern regions means dry season with significantly lesser rains. All three winter months are considered as the best time for seaside vacations in southern regions. Temperature of air shifts to completely acceptable range and water have pleasant 27 °C (81 °F). Evenings may be dedicated to wandering and gastronomic experiences in numerous cozy restaurants.

North regions during winter have rather unwelcoming weather. Temperature of air is about 13 to 15 °C (55-59 °F). And protracted drizzle is everywhere. Central part is much warmer but swimming isn’t comfortable due to high humidity levels. In addition there is great excitement on the sea through whole winter.

The climate of the winter months

(Hanoi)

December
Max average t°: +22 °C (72 °F)
Min average t°: +15 °C (59 °F)
Sundial in the day: 5.5 hours
Rainy days: 2 days
Precipitation: 31 mm (1.2")
January
Max average t°: +20 °C (68 °F)
Min average t°: +13 °C (56 °F)
Sundial in the day: 3.5 hours
Rainy days: 1 day
Precipitation: 31 mm (1.2")
February
Max average t°: +20.5 °C (69 °F)
Min average t°: +14 °C (58 °F)
Sundial in the day: 4 hours
Rainy days: 0 days
Precipitation: 14 mm (0.6")

Winter holidays

December 22 – National Defence Day.
December 25 - Christmas Day.

January 1 – New Year.
February 3 – Day of foundation of the Communist Party of Vietnam.

Also there are some national celebrations which held on specific days of Moon calendar.