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Dong Hoi in July: Weather, Average temperature and Climate

Discover the weather for Dong Hoi in July and if it’s a good time to travel (based on historical data).
Check flight prices to Dong Hoi on Avionero:
July

Weather in Dong Hoi in July 2025

OK Weather
Hot
🌧️
Rainy
July could be a good time to visit Dong Hoi, as the weather is generally fine. The average high temperature is around +90°F, and there are typically 1 sunny days in July. However, expect about 15 rainy days, and total monthly rainfall of approximately 91 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • July is usually the hottest month of the year in Dong Hoi;

Average weather

☀️
+90°F
Avg. max. temperature
+75°F
Min.
+100°F
Max.
91 mm
Total precipitation
75%
Avg. humidity
3 m/s
Avg. wind
1 ☀️
Sunny Days
10 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Dong Hoi has OK weather in July.
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Average temperature in Dong Hoi in July

Here are the expected maximum, average and minimum temperatures in Dong Hoi for July based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in July is +91°F with a maximum of +97°F and a minimum of +79°F.

The average maximum temperature goes down 30% by the end of the month, compared with the beginning of the month, from +95°F to +90°F.

Is Dong Hoi warm or cold in July?

Dong Hoi is typically hot in July.

Maximum temperatures go up compared to the previous month from +90°F to +90°F. The minimum temperature also goes down from +82°F to +81°F.

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

July is the hottest month in Dong Hoi, here is the comparison with other months:

Climate in Dong Hoi in July

Dong Hoi weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+90°F+90°F+88°F
Min. temperature
+72°F+75°F+75°F
Max. temperature
+99°F+100°F+97°F
Rainfall
81 mm91 mm148 mm
Wind
3 m/s3 m/s3 m/s
Humidity
75%75%77%
Air pressure
1003 HPa1003 HPa1004 HPa
Sunny days
110
Cloudy days
11107
Rainy days
131516
Snowy days
000

July weather is still as ok as in June. The temperature levels stay the same in the area of +90°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 81 mm to 91 mm. Humidity levels don’t change as the month goes on, averaging around 75%. The average wind speed doesn’t change much during July, staying around 3 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.

August brings much the same weather, it remains ok.

Wind

Wind speed in Dong Hoi in July based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Dong Hoi is gradually increasing during July, going from 5 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Dong Hoi based on historical data.
Last Year
Historical Data
Total precipitation in July is about 49 mm, with a 48% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain. July is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how July is compared with other months in the amount of precipitation, total mm:
Dong Hoi wettest month is October, where a typical day has a 84% chance of precipitation and 541 mm of rainfall per day. February, on the other hand, is the driest month with a mere 69% chance of precipitation and 77 mm of rainfall per day.

How was the weather last July in Dong Hoi?

This is the weather in Dong Hoi in July 2023:
1 July
☁️
+95°F
2 July
☁️
+94°F
3 July
☁️
+90°F
4 July
☁️
+91°F
5 July
☀️
+92°F
6 July
☀️
+95°F
7 July
☀️
+95°F
8 July
☀️
+94°F
9 July
☀️
+94°F
10 July
☁️
+94°F
11 July
☁️
+95°F
12 July
☁️
+96°F
13 July
☁️
+96°F
14 July
☁️
+96°F
15 July
☁️
+93°F
16 July
☁️
+90°F
17 July
☁️
+86°F
18 July
☁️
+92°F
19 July
☁️
+90°F
20 July
☁️
+87°F
21 July
🌧️
+86°F
22 July
☀️
+87°F
23 July
☀️
+88°F
24 July
☁️
+90°F
25 July
☀️
+89°F
26 July
☁️
+93°F
27 July
☁️
+96°F
28 July
☁️
+95°F
29 July
☁️
+94°F
30 July
☁️
+92°F
31 July
☁️
+90°F
In July 2023 Dong Hoi had 8 sunny days, 22 cloudy days, and 1 rainy days. The average maximum temperature was +91°F, with an absolute maximum of +97°F and a minimum of +86°F. The average humidity was 73%, with a maximum of 100% and a minimum of 52%. The average wind speed was 4 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change Over the Years

This is how Dong Hoi climate has changed over the last 43 years.

The climate in Dong Hoi in July has not changed that much over the last 43 years.

The average temperature was the lowest in 2011 (+79°F) and the highest in 2019 (+84°F). The driest year was 1982 with only 1599 mm of rainfall, and the wettest year was 2020 with 3418 mm.

FAQ

Frequently asked questions about the weather in Dong Hoi in July:

Is July a good time to visit Dong Hoi?

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

Can you sunbathe in Dong Hoi in July?

Absolutely, July is hot in Dong Hoi. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Dong Hoi rainy in July?

Dong Hoi is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Dong Hoi in July?

Usually, it’s not very sunny in Dong Hoi in July, 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 Dong Hoi

Source of the data

For this page, we’ve looked at the typical weather in Dong Hoi, 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.