Đồng Hới weather in July

In July, Đồng Hới sees average daytime highs of 32°C and overnight lows near 27°C, with 94 mm of rain across 10 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 15% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of July to 12 h 48 min by month's end. Set against the rest of the year, July is Đồng Hới's 9th-clearest and 1st-windiest month. For the whole year in context, see Đồng Hới's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
27°
11th coldest
Rainfall
94 mm
10 wet days
Daylight
13 hours
5:31 AM – 6:28 PM
Cloud cover
79%
9th clearest
Wind
16 km/h
1st windiest
Solar energy
5.33 kWh/m²
Travel score
3.9
out of 10

Đồng Hới is capital of Quảng Bình province, Vietnam.

Density
859/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical July day in Đồng Hới reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, July runs on par with June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73227
83227
93227
103227
113227
123227
133227
143227
153227
163227
173227
183227
193227
203227
213227
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How July really feels in Đồng Hới

Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Đồng Hới weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 18°12517.411.15.2
Feb22° / 18°7713.811.45.8
Mar25° / 21°8213.311.96.2
Apr28° / 23°8812.812.45.6
May30° / 26°11214.712.84.2
Jun32° / 27°638.1133.9
Jul32° / 27°941012.93.9
Aug31° / 26°14613.512.63.9
Sep29° / 25°34519.612.13.9
Oct27° / 24°5312411.64.5
Nov25° / 21°36620.911.24.9
Dec22° / 19°22820.3114.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 8% of July, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22674
32575
42575
52575
62575
72674
82674
92674
102674
112674
122575
132575
142476
152476
162476
172377
182377
192278
202278
212278
222179
232179
242179
252080
261981
271981
281981
291981
301981
311981

Chance of precipitation in July

Any precipitation

Đồng Hới gets around 94 mm of rain over 10 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
125
225
325
425
526
626
726
827
927
1027
1128
1228
1329
1429
1530
1631
1732
1833
1934
2034
2135
2236
2336
2437
2538
2638
2739
2839
2940
3040
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the oppressive band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17921
28020
38020
48119
58119
68119
78119
88119
98119
108119
118119
128119
138119
148119
158020
168020
178020
188020
198020
208020
218020
228020
238020
248020
258020
268020
277921
287921
297921
307822
317723

Wind in July

Winds average 16 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 hours at the start of July to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:26 AM to 5:35 AM, and sunset from 6:28 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:266:28
213.05:266:28
313.05:266:28
413.05:276:28
513.05:276:28
613.05:276:28
713.05:286:28
813.05:286:28
913.05:286:28
1013.05:296:28
1113.05:296:28
1213.05:296:28
1313.05:306:28
1413.05:306:28
1513.05:306:28
1613.05:316:28
1712.95:316:28
1812.95:316:27
1912.95:326:27
2012.95:326:27
2112.95:326:27
2212.95:336:27
2312.95:336:26
2412.95:336:26
2512.95:346:26
2612.95:346:25
2712.85:346:25
2812.85:356:25
2912.85:356:25
3012.85:356:24
3112.85:356:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.33 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.68 kWh/m² in May across the year — July's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Hazard calendar for Đồng Hới

In seasonPeak

In July, Đồng Hới sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Đồng Hới sits in the Pacific typhoon belt; the season peaks July–October.

Đồng Hới's monsoon runs September–November, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Đồng Hới?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.9
Sightseeing
9th-best month of the year
6.2
Beach & pool
3rd-best month of the year

July is a weaker month for outdoor sightseeing in Đồng Hới. The water and warmth also suit a beach or pool day.

What to pack for Đồng Hới in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Đồng Hới sees daytime highs around 32°C and nights near 27°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Đồng Hới in July

The nearest coast averages about 29°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 30°C and coldest in February near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec24Refreshing

UV index in Đồng Hới in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Đồng Hới peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 12UV 13Dec 16UV 6
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar9Very high
Apr9Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Đồng Hới in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Đồng Hới is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (July, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 1064 µg/m³Jul 1514 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb26Moderate
Mar62Unhealthy
Apr65Unhealthy
May21Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct20Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Đồng Hới?

Đồng Hới sits at 17.5°N, 106.6°E, 9 m above sea level, in Vietnam. The nearest listed city is Quán Hàu, 7.0 km away.

thị xã Quảng TrịHà Tĩnh

Topography around Đồng Hới

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Đồng Hới.

Within 3 km, the terrain around Đồng Hới has only modest variations in elevation — a maximum elevation change of 22 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 711 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.

The land around Đồng Hới is covered by artificial surfaces (38%) and water (29%) within 3 km, water (45%) and trees (29%) within 16 km, and trees (61%) and water (32%) within 80 km.

3 km
22 m
16 km
711 m
80 km
1,630 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Quán Hàu 7.0 km · Hoàn Lão 16 km · Ba Đồn 38 km · Kỳ Anh 74 km · Cam Lộ 83 km · Ðông Hà 89 km · thị xã Quảng Trị 100 km · Hà Tĩnh 123 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
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Đồng Hới (17.4688°, 106.6223°, elevation 9 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).