Ðông Hà in Summer
In summer (June, July and August), Ðông Hà sees average daytime highs around 33°C and overnight lows near 26°C, with 298 mm of rain over about 38 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels oppressive.
Summer is Ðông Hà's weakest season of the year to visit on our travel score. For the whole year in context, see Ðông Hà's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 298 mm
- 38 wet days
- Avg wind
- 13 km/h
- Travel score
- 2.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Ðông Hà in Summer
Across summer, daytime highs hold fairly steady around 33°C.
A typical summer day in Ðông Hà reaches about 33°C and drops to 26°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Ðông Hà
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ðông Hà weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 18° | 135 | 18.2 | 11.1 | 5.3 |
| Feb | 25° / 19° | 84 | 13.5 | 11.4 | 5.9 |
| Mar | 27° / 21° | 88 | 13.6 | 11.9 | 5.7 |
| Apr | 30° / 23° | 89 | 14.2 | 12.4 | 4.3 |
| May | 33° / 25° | 134 | 18.6 | 12.8 | 2.9 |
| Jun | 34° / 26° | 71 | 10.8 | 13 | 2.7 |
| Jul | 34° / 26° | 99 | 12.3 | 12.9 | 2.8 |
| Aug | 33° / 26° | 128 | 14.8 | 12.6 | 3.0 |
| Sep | 31° / 25° | 298 | 20.3 | 12.1 | 3.2 |
| Oct | 28° / 23° | 449 | 24.2 | 11.6 | 4.0 |
| Nov | 26° / 21° | 400 | 22.4 | 11.2 | 4.6 |
| Dec | 23° / 19° | 293 | 22.3 | 11 | 4.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Ðông Hà gets around 298 mm of rain over 38 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 13 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.5 kWh/m².
Hazard calendar for Ðông Hà
In summer, Ðông Hà overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ðông Hà sits in the Pacific typhoon belt; the season peaks July–October.
Ðông Hà's monsoon runs September–December, when most of the year's rain falls.
Is summer a good time to visit Ðông Hà?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Ðông Hà.
What to pack for Ðông Hà in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ðông Hà sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 38 days see rain.
Sea temperature near Ðông Hà in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in August at about 29°C and coldest in February near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 22 | 23 | 25 | 28 | 29 | 29 | 29 | 29 | 28 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 25 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 26 | Warm |
| Dec | 24 | Warm |
UV index in Ðông Hà in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ðông Hà peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 12 | 10 | 8 | 6 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Ðông Hà in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Ðông Hà is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (July, 15 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 21 | 27 | 76 | 66 | 26 | 17 | 15 | 16 | 19 | 21 | 18 | 21 |
| Level | Moderate | Moderate | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 27 | Moderate |
| Mar | 76 | Unhealthy |
| Apr | 66 | Unhealthy |
| May | 26 | Moderate |
| Jun | 17 | Moderate |
| Jul | 15 | Moderate |
| Aug | 16 | Moderate |
| Sep | 19 | Moderate |
| Oct | 21 | Moderate |
| Nov | 18 | Moderate |
| Dec | 21 | Moderate |
Where is Ðông Hà?
Ðông Hà sits at 16.8°N, 107.1°E, 21 m above sea level, in Vietnam. The nearest listed city is Cam Lộ, 11 km away.
Topography around Ðông Hà
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ðông Hà.
Within 3 km, the terrain around Ðông Hà has only modest variations in elevation — a maximum elevation change of 44 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,059 m.
The land around Ðông Hà is covered by artificial surfaces (38%), cropland (24%) and trees (21%) within 3 km, trees (52%) and cropland (22%) within 16 km, and trees (60%) and water (29%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ðông Hà (16.8163°, 107.1003°, elevation 21 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.