Vietnam in March
Compare the regions before choosing your route. These are long-term climate references; actual weather can differ.
Northern mountains
Transition monthThe mountains start warming; allow for changing visibility on walks.
Son La · 1991–2020. Figures are for Son La at 675 m, not Sa Pa at around 1,500 m. Higher areas are considerably colder; use this station only to illustrate regional seasonal patterns.
Annual table & sources ↗Northern lowlands & bays
Transition monthDays become milder, but the number of light-rain days can be relatively high.
Hanoi · 1991–2020. Hanoi represents the northern lowlands. Ha Long Bay has its own coastal and marine conditions; these figures are not boating advice.
Annual table & sources ↗Huế & north-central coast
Relatively dryMilder and relatively dry. An appealing month for exploring the city and nearby monuments.
Hue · 1991–2020.
Annual table & sources ↗Đà Nẵng & Hội An
Relatively dryAn appealing transition to warmer weather with relatively low monthly rainfall.
Da Nang · 1991–2020. Da Nang is the coastal reference, not a station in central Hoi An. Local rainfall and flooding can differ.
Annual table & sources ↗South-central coast
Relatively dryWarm with relatively little rain; plan a mix of beach and city time.
Nha Trang · 1991–2020.
Annual table & sources ↗Central highlands
Relatively dryThe historical series shows increasing warmth and somewhat higher rainfall.
Da Lat · 1964–1998. Historical reference series from a JICA report (1964–1998). This is an older period than the other tables; do not compare the figures as same-period climate normals.
Annual table & sources ↗Southern mainland & Mekong Delta
Hot, relatively dryRelatively dry and getting hotter. Start long outdoor activities early.
Ho Chi Minh City · 1991–2020. City reference; rainfall can differ elsewhere in the Mekong Delta. Rain days mean at least 0.1 mm, not a full day of rain.
Annual table & sources ↗Phú Quốc & southwestern islands
Relatively dryWarmer, with more rain than January and February. Keep a boat day movable.
Phu Quoc · 1991–2020. Do not apply this island series to Con Dao or all southern beaches. Wind, waves and local advice determine whether boating and swimming are suitable.
Annual table & sources ↗