Sông Cầu weather in August

In August, Sông Cầu sees average daytime highs of 31°C and overnight lows near 27°C, with 98 mm of rain across 15.5 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 11% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Sông Cầu's 11th-clearest and 6th-windiest month. For the whole year in context, see Sông Cầu's year-round climate.

Daytime high
31°
1st warmest
Overnight low
27°
10th coldest
Rainfall
98 mm
15.5 wet days
Daylight
12 h 30 min
5:34 AM – 6:01 PM
Cloud cover
79%
11th clearest
Wind
13 km/h
6th windiest
Solar energy
5.58 kWh/m²
Travel score
3.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Sông Cầu reaches about 31°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 30°C and 33°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13127
23127
33127
43127
53127
63127
73127
83127
93127
103127
113127
123127
133127
143127
153127
163127
173127
183127
193127
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How August really feels in Sông Cầu

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sông Cầu weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 22°10516.311.35.9
Feb25° / 22°5310.511.66.7
Mar27° / 23°6010.411.96.7
Apr29° / 25°6410.612.35.7
May30° / 26°14718.212.63.9
Jun31° / 27°8616.112.83.5
Jul31° / 27°7914.712.73.8
Aug31° / 27°9815.512.43.6
Sep30° / 26°21522.312.13.3
Oct28° / 25°36126.411.73.8
Nov26° / 24°41023.811.44.4
Dec25° / 23°27822.411.24.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42179
52179
62377
72377
82377
92377
102476
112575
122575
132476
142476
152476
162476
172476
182476
192476
202377
212377
222377
232278
242278
252377
262278
272278
282179
292179
302179
312080

Chance of precipitation in August

Any precipitation

Sông Cầu gets around 98 mm of rain over 15.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
344
444
543
643
743
843
943
1043
1144
1245
1345
1446
1548
1649
1750
1851
1952
2054
2155
2255
2356
2457
2557
2657
2758
2858
2958
3059
3159

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17822
27822
37822
47822
57723
67723
77624
87624
97525
107426
117327
127228
137129
147030
156931
166832
176733
186634
196535
206535
216436
226337
236337
246238
256238
266238
276238
286238
296238
306238
316337

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:31 AM to 5:35 AM, and sunset from 6:07 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:316:07
212.65:316:07
312.65:326:07
412.65:326:06
512.65:326:06
612.65:326:05
712.55:326:05
812.55:326:05
912.55:336:04
1012.55:336:04
1112.55:336:03
1212.55:336:03
1312.55:336:02
1412.55:336:02
1512.55:346:01
1612.55:346:01
1712.45:346:00
1812.45:346:00
1912.45:345:59
2012.45:345:58
2112.45:345:58
2212.45:345:57
2312.45:345:57
2412.45:345:56
2512.35:355:55
2612.35:355:55
2712.35:355:54
2812.35:355:53
2912.35:355:53
3012.35:355:52
3112.35:355:51

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.58 kWh/m².

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.1 kWh/m² in April across the year — August's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Hazard calendar for Sông Cầu

In seasonPeak

In August, Sông Cầu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sông Cầu sits in the Pacific typhoon belt; the season peaks July–October.

Sông Cầu's monsoon runs September–December, when most of the year's rain falls.

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

Is August a good time to visit Sông Cầu?

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

3.6
Sightseeing
10th-best month of the year
5.5
Beach & pool
6th-best month of the year

August is a weaker month for outdoor sightseeing in Sông Cầu.

What to pack for Sông Cầu in August

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

In August, Sông Cầu sees daytime highs around 31°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Sông Cầu in August

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

The sea at the nearest coast (about 19 km away) is warmest in September at about 29°C and coldest in January near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Sông Cầu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Sông Cầu peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 14UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Sông Cầu in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sông Cầu is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1616 µg/m³Nov 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug16Moderate
Sep14Moderate
Oct14Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Sông Cầu?

Sông Cầu sits at 13.5°N, 109.2°E, 10 m above sea level, in Vietnam. The nearest listed city is Qui Nhon, 36 km away.

Ninh HòaEa Drăng

Topography around Sông Cầu

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

Within 3 km, the terrain around Sông Cầu has significant variations in elevation — a maximum elevation change of 317 m around an average of 41 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 830 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Sông Cầu is covered by water (42%) and trees (39%) within 3 km, trees (52%) and water (34%) within 16 km, and trees (46%) and water (35%) within 80 km.

3 km
317 m
16 km
830 m
80 km
1,533 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Qui Nhon 36 km · Tuy Hòa 41 km · An Nhơn 49 km · Tu Bông 77 km · An Khê 83 km · A Yun Pa 86 km · Ninh Hòa 108 km · Ea Drăng 113 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 Sông Cầu (13.4556°, 109.2235°, elevation 10 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).