Đồng Hới climate
Đồng Hới (Vietnam) has a tropical monsoon climate (Köppen Am). The average temperature over the year is 26 °C79 °F, and about 1,928 mm76 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Đồng Hới climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2272 | 2068 | 2170 | 461.8 |
| Feb | 2374 | 2068 | 2271 | 241.0 |
| Mar | 2577 | 2271 | 2374 | 411.6 |
| Apr | 2882 | 2475 | 2678 | 572.2 |
| May | 3086 | 2679 | 2883 | 1144.5 |
| Jun | 3188 | 2781 | 2984 | 953.7 |
| Jul | 3187 | 2781 | 2984 | 1566.1 |
| Aug | 3187 | 2781 | 2984 | 2299.0 |
| Sep | 3085 | 2781 | 2883 | 40416 |
| Oct | 2882 | 2679 | 2780 | 46618 |
| Nov | 2679 | 2475 | 2577 | 1887.4 |
| Dec | 2474 | 2171 | 2272 | 1104.3 |
| Year | 3188 | 2068 | 2679 | 1,92876 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 84% | 78% | 2.6 | 11:11 |
| Feb | 87% | 72% | 3.3 | 11:33 |
| Mar | 89% | 71% | 3.8 | 11:00 |
| Apr | 87% | 68% | 4.7 | 12:31 |
| May | 84% | 74% | 5.4 | 12:57 |
| Jun | 81% | 82% | 5.3 | 13:10 |
| Jul | 81% | 81% | 5.1 | 13:05 |
| Aug | 81% | 84% | 4.8 | 12:43 |
| Sep | 82% | 80% | 4.3 | 12:13 |
| Oct | 82% | 75% | 3.4 | 11:43 |
| Nov | 83% | 76% | 2.8 | 11:17 |
| Dec | 83% | 82% | 2.2 | 11:05 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Đồng Hới is like
The warmest month is June, with an average high of 31 °C88 °F and a low of 27 °C81 °F. The coldest is January, when highs average 22 °C72 °F and lows 20 °C68 °F. Seasonal differences are small — just 7.9 °C14.1 °F between the warmest and the coolest month.
It is wet, with about 1,928 mm76 in of precipitation per year. The wettest three-month stretch is August–October, which brings 57% of the annual total. The wettest month is October (466 mm18 in), the driest is February (24 mm1.0 in).
Relative humidity ranges from 81% in July to 89% in March. The clearest skies (lowest average cloud amount, 68%) are typical of April. Average wind speed near the ground ranges from 10 km/h (6 mph) in May to 17 km/h (10 mph) in December. Daylight lasts from about 11.1 hours in December to 13.2 hours in June.
Best time to visit Đồng Hới
Based on these averages, the most comfortable months for sightseeing and outdoor activities are January–March: average highs of 22 °C72 °F to 25 °C77 °F with 24 mm1.0 in to 46 mm1.8 in of precipitation per month.
The most challenging month is October, which is very wet (466 mm18 in) and humid (82% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Đồng Hới
- Wetter months (August–November) — highs 2679 to 31 °C87 °F, lows 2475 to 27 °C81 °F, about 322 mm13 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
- Drier months (December–July) — highs 2272 to 31 °C88 °F, lows 2068 to 27 °C81 °F, about 80 mm3.2 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses.
How Đồng Hới compares
Compared with Kỳ Anh, about 74 km to the northwest, Đồng Hới has practically the same average temperature and receives a similar amount of precipitation. The difference is largest in December (1.5 °C2.8 °F warmer).
Of the 75 places in Vietnam covered by World Climates, Đồng Hới is the 41st warmest by annual mean temperature and the 9th wettest by annual precipitation. See all of them on the Vietnam climate page.
Places in other countries with the most similar temperature and rainfall pattern: Wanning (China, Am), Qionghai (China, Am) and Wenchang (China, Am).
Nearby places
- Ba Đồn 38 km · 26 °C78 °F · 1,851 mm73 in
- Kỳ Anh 74 km · 26 °C78 °F · 1,851 mm73 in
- Ðông Hà 89 km · 26 °C78 °F · 2,132 mm84 in
- Huế 152 km · 26 °C79 °F · 2,160 mm85 in
- Vinh 166 km · 25 °C78 °F · 1,774 mm70 in
- Savannakhet 222 km · 26 °C79 °F · 1,227 mm48 in
- Nghi Sơn 223 km · 24 °C75 °F · 1,701 mm67 in
- Da Nang 231 km · 26 °C79 °F · 2,210 mm87 in
Frequently asked questions
What is the warmest month in Đồng Hới?
June is the warmest month in Đồng Hới, with an average high of 31 °C (88 °F) and an average low of 27 °C (81 °F).
What is the coldest month in Đồng Hới?
January is the coldest month, with an average high of 22 °C (72 °F) and an average low of 20 °C (68 °F).
When does it rain the most in Đồng Hới?
October is the wettest month with about 466 mm (18.4 in) of precipitation; February is the driest with about 24 mm (1.0 in).
What is the best time to visit Đồng Hới?
Judging by long-term averages, the most comfortable months are January–March.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.