Nha Trang records about 1200mm of rain across roughly 90 wet days a year, which is a 25% chance on an average day. November is the wettest month at 350mm (29% of the annual total) and February the driest at 10mm. Local rain type: monsoon. Nha Trang's late monsoon (October-December) is the only truly rainy period. The rest of the year is remarkably dry for a Vietnamese coastal city. Skip the umbrella January-August.
Chance of rain on an average day: 25%
Rainfall climatology for Nha Trang. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 1200mm |
| Rain days per year | 90 |
| Odds on an average day | 25% |
| Wettest month | November — 350mm over 28 days |
| Driest month | February — 10mm over 1 days |
| Rain type | monsoon |
| Best dry window | February through May is the sweet spot — dry, warm, and perfect diving visibility at Hon Mun Marine Park. |
| Worst rain window | October and November bring monsoon rains with occasional flooding in the city center. |
November delivers 3400% more rain than February (350mm vs 10mm). That gap is the difference between planning around showers and ignoring them.
29% of the year's rain falls in November alone, so Nha Trang has a genuine wet season rather than evenly spread showers.
Nha Trang rain arrives in short, heavy bursts — shelter and timing matter more than gear.
Rain falls on about 28 days in November against 1 in February — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 20mm | 2 | 7% | 27°C |
| February | 10mm | 1 | 3% | 27°C |
| March | 15mm | 1 | 3% | 28°C |
| April | 20mm | 2 | 7% | 30°C |
| May | 40mm | 3 | 10% | 31°C |
| June | 40mm | 3 | 10% | 33°C |
| July | 30mm | 2 | 7% | 34°C |
| August | 35mm | 3 | 10% | 34°C |
| September | 100mm | 8 | 27% | 33°C |
| October | 250mm | 20 | 67% | 31°C |
| November | 350mm | 28 | 93% | 30°C |
| December | 200mm | 16 | 53% | 28°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Nha Trang we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Nha Trang records rain on roughly 90 days a year — about a 25% chance on any given day — totalling around 1200mm.
November, with about 350mm over 28 rain days. That is 29% of the entire year's rainfall in a single month.
February is the driest month at 10mm across roughly 1 days. February through May is the sweet spot — dry, warm, and perfect diving visibility at Hon Mun Marine Park.
Nha Trang's late monsoon (October-December) is the only truly rainy period. The rest of the year is remarkably dry for a Vietnamese coastal city. Skip the umbrella January-August.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.