Climate in Dong Hoi (Vietnam)

In Đồng Hới there is a subtropical climate, with very mild winters and very hot, muggy summers. The rainiest period is from September to November, while there is a relatively dry period from January to April.
The city is the capital of Quảng Bình province and is located on the central-northern coast of Vietnam (called Bắc Trung Bộ), at 17 degrees north latitude, on the banks of the Nhật Lệ River.
About 35 km (21 mi) to the northwest is Phong Nha-Kẻ Bàng National Park.
To the west, on the border with Laos, are mountains that reach 1,600 meters (5,250 feet).

The winter, from December to February, is very mild, however, the sky is often cloudy and drizzle can occur.
Winter averages are a little higher than in the far north of Vietnam, however, sometimes there can be very cool periods here as well, with lows around 11 °C (52 °F) and highs around 13/14 °C (55/57 °F). In January 2016, there was a day with a minimum of 6.5 °C (44 °F) and a maximum of 9 °C (48 °F).
The summer, from May to September, is hot and muggy. In the first period of the monsoon, from May to August, the rains are not very frequent, even though they are a little more frequent than on the central-southern part of the coast. The only very rainy period goes from September to November.
From April to September, it can get very hot, and the temperature can reach 38/40 °C (100/104 °F).



The city can be hit by typhoons, the tropical cyclones of Southeast Asia, and it should be remembered that the coast is the area most at risk. Typically, typhoons pass in this area from late April to early November, with a maximum from July to October.

Best Time

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To visit Đồng Hới you can choose the period from January to April, since it is the dry season. In January and February there isn't much sun, and as mentioned it can get cool.
For a beach holiday you can go from April to July, although as mentioned it can get very hot. In August, the rains increase, although the rainiest period usually begins in September.
In December there are still the last monsoon rains, which are generally not abundant, although it depends on the year.

Dong Hoi - Climate data

The average temperature of the coldest month (January) is of 19.6 °C (67.3 °F), that of the warmest month (June) is of 31.2 °C (88.2 °F). Here are the average temperatures.
Precipitation amounts to 2190 millimeters (86.2 inches) per year: it is therefore abundant. It ranges from 40 mm (1.6 in) in the driest month (February) to 650 mm (25.6 in) in the wettest one (October). Here is the average precipitation.
The sea temperature ranges from 23 °C (73 °F) in January, February to 30 °C (86 °F) in August. Here are the average sea temperatures.
There are on average around 1785 sunshine hours per year. Here are the average hours of sunshine per day.