Dalian weather in August

In August, Dalian sees average daytime highs of 26°C and overnight lows near 24°C, with 140 mm of rain across 8.7 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 44% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Dalian's 9th-clearest and 12th-windiest month. For the whole year in context, see Dalian's year-round climate.

Daytime high
26°
1st warmest
Overnight low
24°
12th coldest
Rainfall
140 mm
8.7 wet days
Daylight
13 h 30 min
5:12 AM – 6:44 PM
Cloud cover
50%
9th clearest
Wind
15 km/h
12th windiest
Solar energy
5.19 kWh/m²
Travel score
7.1
out of 10

Dalian is city in Liaoning, China.

Air quality
Very high
PM2.5 35.1 µg/m³ · 2018
Density
361/km²
people per km²
Founded
1904

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Dalian reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222523
232523
242523
252523
262523
272523
282523
292523
302523
312523

How August really feels in Dalian

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Dalian weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°71.929.60.0
Feb / -2°102110.50.0
Mar / 153.10.711.70.2
Apr10° / 365.40.1132.5
May15° / 13°596014.15.3
Jun21° / 19°806.8014.77.0
Jul25° / 23°1369.5014.47.0
Aug26° / 24°1408.7013.57.1
Sep23° / 20°515.3012.37.8
Oct17° / 14°335.60116.2
Nov10° / 284.70.89.92.5
Dec / -0°123.22.19.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65545
75545
85446
95446
105545
115545
125644
135644
145644
155644
165644
175644
185644
195743
205743
215743
225743
235743
245842
255842
265842
275941
285941
295941
306139
316139

Chance of precipitation in August

Any precipitation

Dalian gets around 140 mm of rain over 8.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
335
435
534
634
733
833
932
1032
1131
1230
1330
1429
1529
1628
1727
1827
1926
2026
2126
2225
2325
2424
2524
2623
2723
2822
2922
3022
3121

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1001126225
2001116325
3001116226
4001116226
5001116127
6002116027
7002116027
8002126026
9002135926
10002155825
11003165724
12003185623
13004205422
14004225420
15005245219
16015265117
17016285016
18016294914
19017314912
20017334910
2102834479
2212935477
2313936466
24131037455
25141138434
26141138423
27251239402
28261339382
29261440361
30371440351
31381540331

Wind in August

Winds average 15 km/h in August, the calmest month.

Across August, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 4:58 AM to 5:26 AM, and sunset from 7:01 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:587:01
214.04:597:00
314.05:006:59
414.05:016:58
513.95:026:57
613.95:026:56
713.95:036:55
813.85:046:54
913.85:056:53
1013.85:066:51
1113.75:076:50
1213.75:086:49
1313.65:096:48
1413.65:106:46
1513.65:116:45
1613.55:126:44
1713.55:136:42
1813.55:146:41
1913.45:156:40
2013.45:156:38
2113.35:166:37
2213.35:176:35
2313.35:186:34
2413.25:196:32
2513.25:206:31
2613.15:216:29
2713.15:226:28
2813.15:236:26
2913.05:246:25
3013.05:256:23
3112.95:266:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 6.22 kWh/m² in June across the year — August's 5.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Dalian

In seasonPeak

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

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

Dalian's rainy season runs June–August, when most of the year's rain falls.

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

Is August a good time to visit Dalian?

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

7.1
Sightseeing
2nd-best month of the year
6.6
Beach & pool
1st-best month of the year

August is one of the better times to visit Dalian for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Dalian in August

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

In August, Dalian sees daytime highs around 26°C and nights near 24°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Dalian in August

The nearest coast averages about 24°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 5 to Oct 4 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb3Bracing
Mar4Bracing
Apr7Bracing
May12Bracing
Jun17Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct19Cool
Nov14Bracing
Dec9Bracing

UV index in Dalian in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dalian peaks around August 18 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowAug 18UV 7Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May6High
Jun6High
Jul7High
Aug7Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Dalian 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 Dalian is worst in March — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 24 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Dalian's WHO annual average of 35.1 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 2151 µg/m³Sep 1224 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb41Poor
Mar52Poor
Apr49Poor
May41Poor
Jun33Moderate
Jul30Moderate
Aug25Moderate
Sep24Moderate
Oct29Moderate
Nov32Moderate
Dec30Moderate
Location & terrain

Where is Dalian?

Dalian sits at 38.9°N, 121.6°E, 33 m above sea level, in China. The nearest listed city is Sinŭiju, 274 km away.

Kwail-ŭpChangyŏnSonghwaŬllyulChaeryŏng-niChŏngju

Topography around Dalian

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

Within 3 km, the terrain around Dalian has only modest variations in elevation — a maximum elevation change of 218 m around an average of 35 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 442 m; within 80 km, large variations in elevation — a maximum elevation change of 677 m.

The land around Dalian is covered by artificial surfaces (77%) within 3 km, water (45%), artificial surfaces (27%) and trees (22%) within 16 km, and water (71%) within 80 km.

3 km
218 m
16 km
442 m
80 km
677 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Sinŭiju 274 km · Uiju 289 km · Kwail-ŭp 301 km · Changyŏn 312 km · Songhwa 313 km · Ŭllyul 314 km · Chaeryŏng-ni 315 km · Chŏngju 322 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

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 Dalian (38.9122°, 121.6022°, elevation 33 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).