Nha Trang · Month comparison
March vs April
April ranks #1 overall vs March at #4. Pre-summer sweet spot — 31°C, dry, Reunification Day fills Tran Phu late month.
March
#4 of 12 months
Best match
Peak diving — 29°C, sea visibility hits 20m, calmest seas of the year.
- ↑Hon Mun Marine Park visibility at annual peak (20m+)
- ↑29°C, 9 hours sun, sea at 25°C — best swim conditions
April
#1 of 12 months
Best match
Pre-summer sweet spot — 31°C, dry, Reunification Day fills Tran Phu late month.
- ↑31°C, dry, sea visibility still 20m — best month for combined beach and diving
- ↑Reunification Day (30 April) and Labour Day weekend — local festive atmosphere
| Factor | March | April |
|---|---|---|
| Weather score | 10 | 10 |
| Value score | 6 | 7 |
| Crowd score | 6 | 7 |
| Events score | 7 | 8 |
| Atmosphere | 10 | 10 |
| Avg high temp | 29°C | 31°C |
| Monthly rain | 25mm | 30mm |
| Daily sunshine | 9hrs | 9hrs |
March trade-offs
- ↓Diving operators book ahead 1-2 weeks at this peak
- ↓Po Nagar Cham towers crowded with tour buses 9am-11am
April trade-offs
- ↓30 April-1 May holiday spikes domestic Vietnamese tourist arrivals
- ↓UV index spikes — burn risk in midday
Scores compare months within Nha Trang. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →