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Nha Trang in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Nha Trang in May will be like? Take a look at our weather guide for Nha Trang, based on historical data.
Check flight prices to Nha Trang on Avionero:
May

Weather in Nha Trang in May 2025

OK Weather
Hot
🌧️
Rainy
🌊
Very warm water
If you plan to visit Nha Trang in May, the weather is typically alright, with an average high temperature of +90°F during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 24 rainy days in the month and around 221 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+90°F
Avg. max. temperature
+75°F
Min.
+99°F
Max.
221 mm
Total precipitation
81%
Avg. humidity
0 m/s
Avg. wind
0 ☀️
Sunny Days
1 ⛅️
Cloudy
24 🌦
Rainy
Our opinion: Nha Trang has OK weather in May.

Average temperature in Nha Trang in May

Here are the expected maximum, average and minimum temperatures in Nha Trang for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +97°F during the day to a minimum of +79°F during the night, the temperature in May averages around +90°F.

The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +86°F to +90°F.

Is Nha Trang warm or cold in May?

Nha Trang is typically hot in May.

Maximum temperatures go up compared to the previous month from +88°F to +90°F. The minimum temperature also goes up from +79°F to +81°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

Take a look at how May is compared to other months in Nha Trang:

Water temperature in Nha Trang in May

Water in Nha Trang in May is Very warm. It varies from +81°F to +86°F, with an average of +84°F. This is almost similar to the air temperature, which averages +90°F.

The water temperature in May is one of the warmest of the entire year:

The warmest water temperatures in Nha Trang are reached in June, when the average sea temperature rises to +84°F. The coldest water temperatures are in January, with an average of +77°F.

Can you swim in Nha Trang in May?

You can definitely swim in Nha Trang in May, the water is very warm (+84°F in average), and might even be unpleasant for ones who like it more fresh.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don't forget sunscreen and a hat, it's going to be hot!

Climate in Nha Trang in May

Nha Trang weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+88°F+90°F+90°F
Min. temperature
+72°F+75°F+77°F
Max. temperature
+93°F+99°F+97°F
Rainfall
82 mm221 mm220 mm
Wind
1 m/s0 m/s0 m/s
Avg. water temperature
+81°F+84°F+84°F
Humidity
80%81%80%
Air pressure
1010 HPa1008 HPa1006 HPa
Sunny days
200
Cloudy days
511
Rainy days
212426
Snowy days
000

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +88°F to +90°F during the day. Prepare for more rain. Average rainfall goes from 82 mm to 221 mm. Humidity rises from 80% to 81%. Winds are calmer in comparison to April, going down from 1 m/s to 0 m/s on average. The days becoming less sunny, going from 2 sunny days in April to 0 in May.

June brings much the same weather, it remains ok.

Wind

Wind speed in Nha Trang in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Nha Trang is gradually decreasing during May, going from 4 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Nha Trang based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in May, with total rainfall of approximately 78 mm. The maximum amount of rainfall per day is around 18 mm, which is considered light rain. May is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Nha Trang wettest month is September, where a typical day has a 80% chance of precipitation and 305 mm of rainfall per day. February, on the other hand, is the driest month with a mere 45% chance of precipitation and 23 mm of rainfall per day.

How was the weather last May in Nha Trang?

This is the weather in Nha Trang in May 2023:
1 May
☀️
+87°F
2 May
☀️
+87°F
3 May
☀️
+87°F
4 May
☀️
+90°F
5 May
☀️
+93°F
6 May
☀️
+94°F
7 May
☁️
+96°F
8 May
🌧️
+91°F
9 May
☁️
+86°F
10 May
☁️
+88°F
11 May
🌧️
+87°F
12 May
☁️
+88°F
13 May
🌧️
+88°F
14 May
☁️
+88°F
15 May
☀️
+89°F
16 May
☁️
+91°F
17 May
☁️
+91°F
18 May
☁️
+92°F
19 May
☁️
+91°F
20 May
☁️
+95°F
21 May
☁️
+90°F
22 May
☁️
+91°F
23 May
☁️
+91°F
24 May
☁️
+90°F
25 May
☁️
+87°F
26 May
☁️
+87°F
27 May
☁️
+87°F
28 May
☁️
+86°F
29 May
☁️
+87°F
30 May
☁️
+89°F
31 May
☁️
+89°F
In May 2023 Nha Trang had 7 sunny days, 21 cloudy days, and 3 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +97°F and a minimum of +86°F. The average humidity was 81%, with a maximum of 100% and a minimum of 63%. The average wind speed was 2 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Nha Trang climate has changed over the last 43 years.

The climate in Nha Trang in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+85°F) and the highest in 2019 (+88°F). The driest year was 2004 with only 1396 mm of rainfall, and the wettest year was 2008 with 2587 mm.

FAQ

Frequently asked questions about the weather in Nha Trang in May:

Is May a good time to visit Nha Trang?

It’s always a good time to visit Nha Trang, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Nha Trang in May?

Absolutely, May is hot in Nha Trang. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Can you swim in Nha Trang in May?

Yes, you can swim in Nha Trang in May, the water is very warm, with temperature averaging at +84°F, but it's important to manage hydration and sun exposure.

Is Nha Trang rainy in May?

Nha Trang is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Nha Trang in May?

Usually, it’s not very sunny in Nha Trang in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Vietnam

Check out the weather for other cities in Vietnam.

Monthly weather in Nha Trang

Source of the data

For this page, we’ve looked at the typical weather in Nha Trang, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.