

Dong Hoi is a captivating tourist destination in Vietnam (Source: Collected)
1. Overview of the weather in Dong Hoi
Located in Quang Binh Province, Dong Hoi has a tropical monsoon climate. It is influenced by the mixed climate of both northern and southern Vietnam, resulting in two distinct seasons: the rainy season from September to March and the dry season from April to August. The rainy season often brings storms and floods, while the dry season can lead to droughts.
The weather in Dong Hoi is also characterized by monsoonal wind patterns, including the Southeast wind, Southwest wind, and Northeast wind. The annual average temperature in Dong Hoi is 24.4°C, with average rainfall ranging from 1,300 to 4,000 mm. The city enjoys 1,786 hours of sunshine per year, and the average annual humidity is around 84%.
2. Weather in Dong Hoi Vietnam by month
2.1. In January
In January, the weather in Dong Hoi Vietnam is characterized by mild temperatures, with daytime highs around 23°C and cooler evenings dropping to about 19°C. The city experiences substantial rainfall in January, which averages around 136 mm with about 3 rainy days. For visitors, packing light clothes and a warm jacket is advisable.

The weather in Dong Hoi Vietnam is marked by a tropical monsoon climate (Souce: Collected)
2.2. In February
The weather in Dong Hoi continues to be mild, with daytime temperatures around 24°C and cooler nights at 19°C. This month experiences moderate rainfall, which averages 91 mm and spreads across about 4 rainy days. In February, light clothes for daytime and warmer items for evenings are recommended. A rain jacket is also useful for any potential rain.
2.3. In March
In March, Dong Hoi starts to warm up, with daytime temperatures around 26°C and cooler evenings at 21°C. This transitional period brings a more pleasant climate. Dong Hoi experiences moderate precipitation this month, with an average of 86 mm of rainfall over approximately 6 days. This amount of rain is manageable and does not usually disrupt travel plans. For this time of year, packing summer clothes such as airy T-shirts and shorts is ideal. A light raincoat is also advisable to handle occasional showers.
2.4. In April
April’s weather in Dong Hoi is marked by rising temperatures, with daytime highs around 29°C and cooler nights at 24°C. This month is characterized by moderate rainfall, which averages 88 mm over about 8 days. The weather is generally enjoyable, making it a great time to explore the city. Travelers should prepare for warm conditions by packing light clothes and a raincoat to manage unexpected rain.

Dong Hoi weather in April is generally enjoyable (Source: Collected)
2.5. In May
May in Dong Hoi is characterized by very high temperatures, reaching around 31°C during the day, with nighttime lows of 26°C. This month sees high rainfall, which averages 105 mm with approximately 15 rainy days. The high temperatures make it crucial for visitors to dress in lightweight, breathable clothing to stay cool. Sun protection and hydration are essential due to the intense heat.
2.6. In June
June brings very high temperatures to Dong Hoi with daytime highs around 33°C and cooler evenings at 27°C. Rainfall is moderate, averaging 67 mm across the month, making June the driest month of the year with about 19 rainy days. For this hot period, you should pack breezy outfits like T-shirts and shorts made from lightweight materials.
2.7. In July
The weather in Dong Hoi experiences very high temperatures in July, around 33°C during the day, with cooler nights at about 27°C. This summer month continues with moderate rainfall, which averages around 96 mm with about 19 rainy days. The heat requires visitors to dress in suitable summer clothing. A raincoat is also recommended due to frequent showers.

The weather in Dong Hoi during July is hot (Source: Collected)
2.8. In August
Dong Hoi’s temperature in August reaches 32°C during the day and drops to around 27°C at night. This summer month also sees high rainfall, which averages 150 mm in about 22 rainy days. Therefore, lightweight, breathable clothing and a raincoat are essential.
2.9. In September
September in Dong Hoi sees very high temperatures, with daytime highs around 31°C and nighttime lows around 26°C. This month falls within the rainy season, with heavy rainfall averaging 374 mm in about 17 rainy days. Due to the combination of high temperatures and showers, packing airy clothing and a raincoat is crucial.
2.10. In October
In October, the weather in Dong Hoi Vietnam continues with high temperatures, around 28°C during the day, with cooler nights at 24°C. This month experiences the heaviest rainfall of the year, which averages 521 mm in around 11 rainy days. The combination of rainfall and warm temperatures requires visitors to pack light, breathable clothing and a durable raincoat. Checking the Dong Hoi weather forecast before traveling will help you prepare for the rain effectively.

Checking the Dong Hoi weather forecast will help you better prepare for your trip (Source: Collected)
2.11. In November
November in Dong Hoi brings high temperatures, with daytime highs around 26°C and nighttime lows around 22°C. This month falls within the rainy season, with heavy rainfall averaging 363 mm in about 4 rainy days. Visitors should prepare for the warm temperatures and potential rain by packing lightweight clothing and a raincoat.
2.12. In December
The weather in Dong Hoi in December is marked by high temperatures around 24°C during the day and cooler nights at about 20°C. As part of the rainy season, the month averages around 242 mm of rainfall with about 3 rainy days. This time of year remains warm but requires packing layers for the evenings. A rain jacket is also essential.
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3. Best things to do in Dong Hoi based on the weather
3.1. In the dry season
The dry season in Dong Hoi, from April to August, brings relatively high levels of heat. However, thanks to its long coastline, the weather in Dong Hoi remains somewhat cool, making it an ideal time for various outdoor activities. Here are some top attractions in the dry season in Dong Hoi:
- Nhat Le River: Stretching about 85 kilometers from Truong Son Mountain Range, the Nhat Le River is an ideal landmark for relaxing and enjoying scenic views at sunrise or sunset.
- Nhat Le Beach: Located in the heart of the city, this is a stunning spot for swimming, sunbathing, and enjoying water sports.
- Quang Phu Sand Dunes: Adjacent to Nhat Le Beach, these sand dunes are known for their changing colors throughout the day, from white in the morning to golden yellow at noon and grayish-white by evening. Nearby, a tranquil beach with towering casuarina trees offers a peaceful escape.
- Bao Ninh Beach: Situated across the Nhat Le River, Bao Ninh Beach is known for its tranquil beauty, clear water, and fine sand. It is an excellent place for swimming and relaxing.
- Bau Tro Lake: Located in the northeastern part of Dong Hoi, this freshwater lake is not only a serene spot for nature lovers but also a significant archaeological site.

The dry season in Dong Hoi is ideal for beach outings (Source: Collected)
In addition, the dry season in Dong Hoi is also a great time to experience the local festivals. Notable ones include the Bao Ninh Village Festival, which is held annually from the 14th to the 16th day of the 4th lunar month to honor the Whale God and pray for good fishing.
3.2. In the rainy season
The rainy season in Dong Hoi, from September to March, brings sudden downpours, resulting in significantly cooler temperatures compared to the dry season. After the rain, the city is often enveloped in a misty fog, creating a peaceful atmosphere. It is perfect for enjoying Dong Hoi’s delicious local dishes, including chao canh (noodle porridge), banh bot loc (Vietnamese clear dumplings), banh khoai (rice pancake), banh beo tom chay (steamed rice cake with dried shrimp), and chao hau (oyster porridge).
Moreover, exploring historical sites allows you to experience the tranquil ambiance while discovering the fascinating heritage of the region. Some notable sites include:
- Quang Binh Gate: This gate was part of a fortress built in 1639. It has been restored to reflect its original design despite past damages from wars.
- Dong Hoi Citadel: This ancient military fortifications from the Trinh-Nguyen War era feature remnants of its original walls and gates.
- Tam Toa Church Bell Tower: Located by the Nhat Le River, this historical site is notable for its surviving bell tower and the surrounding ruins.
- Mother Suot Monument: This is a tribute to Nguyen Thi Suot, a heroine of the Second Indochina War, honoring her contributions to the war effort.
- Dai Giac Pagoda: This is the largest pagoda in Dong Hoi, renowned for its nine-story tower and a marble statue of Amitabha Buddha.

The rainy season in Dong Hoi is ideal for explore the city’s historical sites (Source: Collected)
Understanding the weather in Dong Hoi is essential for making the most of your visit to this charming city. From enjoying the beach-perfect days of the dry season to exploring the mist-laden historical sites during the rainy season, Dong Hoi offers diverse experiences tailored to its changing climate.
As you plan your Vietnam travel, consider exploring other captivating destinations such as Hanoi, Hoi An, Nha Trang, and Phu Quoc. Each city has its own charm, promising diverse, enriching experiences.
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