Weather in Nha Trang in June
Vietnam · 20-year averages, June
Shoulder season. June sits in between. You will get good days and you will lose some. You should expect rain on 23 days of the month, which is more days wet than dry.
June ranks 10 of 12 — near the bottom of Nha Trang's year. February is the month that works, and the swing between the two is 42 points, which is a different holiday rather than a slightly better one.
Rain on 23 of the month's 30 days, 2 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Natural fibres and a second shirt for the day. At 82% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 13 days top 30 °C — hot spells arrive, but they break; the day barely swings — 2.1 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest June day reached 33.1 °C and the coldest night fell to 26.2 °C, and the wettest single day dropped 44 mm — roughly 41% of the month's rain in one day.
June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 227 mm against 64 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 108 mm average is a reasonable planning figure, not a promise.
Wind is light at 13.5 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, high enough to notice on the warm days without dominating them.
How June sits in the year
Temperatures hold steady either side: 30 °C in May, 29.8 here, 29.6 in July. Nothing about the timing within the month matters much.
Daylight in June
Nha Trang sits close enough to the equator that daylight barely moves all year — 12.8 hours in June, against a range of just 1.4 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
Sea temperature
The sea sits at about 29.2 °C in June — warm enough that the water offers no relief from the heat. This is the warmest the water gets all year.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Nha Trang versus nearby
If Nha Trang is one option among several, the nearby comparison is worth making. Qui Nhon is close enough to be a coin toss — within a degree on temperature, 9 days less rain. Vũng Tàu is close enough to be a coin toss — within a degree on temperature, 2 days more rain.
So: June is a compromise. February is 42 points better and is what Nha Trang is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Nha Trang
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 25.4 | 23.6 | 9 | 48 | 83 | 11.5 | 25.3 | 84 |
| February | 26.1 | 23.8 | 3 | 16 | 82 | 11.7 | 25.5 | 93 |
| March | 27.4 | 25.1 | 5 | 34 | 81 | 12 | 26.6 | 88 |
| April | 29.1 | 26.8 | 8 | 44 | 80 | 12.4 | 28.1 | 76 |
| May | 30 | 28 | 20 | 129 | 81 | 12.7 | 29.3 | 51 |
| June | 29.8 | 27.8 | 23 | 108 | 82 | 12.8 | 29.2 | 51 |
| July | 29.6 | 27.3 | 25 | 121 | 83 | 12.8 | 28.6 | 51 |
| August | 29.7 | 27.4 | 25 | 136 | 82 | 12.5 | 28.8 | 51 |
| September | 29.4 | 27.6 | 26 | 220 | 82 | 12.2 | 29.2 | 52 |
| October | 28.4 | 26.8 | 25 | 264 | 83 | 11.9 | 28.4 | 56 |
| November | 27.4 | 26 | 22 | 304 | 85 | 11.6 | 27.2 | 59 |
| December | 26.1 | 24.6 | 17 | 148 | 85 | 11.4 | 26 | 63 |
See all twelve months in Nha Trang, or where else to go in June.
Planning the rest of the trip
- Flight time to Nha Trang how long you are actually in the air
- Nha Trang time zone and the difference from home
- Days until your trip count down to the departure date