Temperature
Pleasant by day, mild at night.
74°Ftypical March high
Typical range
March climate
March in Ha Long Bay
Vietnam · Asia
Mild days.
One of the best months here
Early to mid
Daytime high
74°F
Lows around 66°F
Rain
Several rainy days
Sun
6.5 h/day
Air feel
Humid
Sea temp
72°F
Warm sea
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 9 wet days, fewer than in most months.
29%wet-day frequency
AmountWet-day chance
Sunshine
A mix of sunshine and cloud.
6.4 hMarch sunshine
Heat & humidity by month
Humidity is noticeable this month.
58%March Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In March, afternoons feel about 73° and nights feel near 70°.
CoolComfortableWarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
24%March Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in March.
6 mphMarch Light breeze
Sea temperature
72°FMarch sea temp
More detailIncludes daypart comfort
Typical March day
March late afternoons are around 72°F, easing to about 70°F in early evening.
Avg temp Typical range
Morning70°F
Rain23%
Cloud85%
Humid airHigh
Sun intensityLow
Midday73°F
Rain28%
Cloud83%
Humid airHigh
Sun intensityModerate
Late afternoon71°F
Rain14%
Cloud75%
Humid airHigh
Sun intensityLow
Early evening69°F
Feels 72°F
Rain6%
Cloud65%
Humid airHigh
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 67 | 59 | 1.3 | 6 | 5.4 | 79 | 70 |
| Feb | 69 | 61 | 0.9 | 6 | 5.5 | 82 | 70 |
| Mar | 74 | 66 | 1.6 | 9 | 6.4 | 85 | 72 |
| Apr | 81 | 73 | 2.9 | 12 | 8.7 | 84 | 76 |
| May | 87 | 78 | 8.7 | 20 | 9.3 | 83 | 82 |
| Jun | 90 | 82 | 10.4 | 22 | 8.7 | 83 | 85 |
| Jul | 90 | 81 | 11.8 | 25 | 8.6 | 84 | 85 |
| Aug | 89 | 80 | 15.0 | 26 | 8.3 | 85 | 85 |
| Sep | 88 | 78 | 10.3 | 21 | 9.0 | 83 | 85 |
| Oct | 85 | 74 | 4.5 | 13 | 9.5 | 77 | 82 |
| Nov | 79 | 68 | 2.0 | 9 | 8.5 | 76 | 78 |
| Dec | 71 | 61 | 1.1 | 6 | 6.7 | 73 | 74 |
Similar climates
Similar
Similar travel styleKampotCambodiaSimilar travel styleDavaoPhilippinesSimilar travel styleDominicaDominicaSimilar travel styleSamanaDominican Republic
Want a side-by-side climate view? Compare Ha Long Bay with Kampot.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology