Dalian weather in July

In July, Dalian sees average daytime highs of 25°C and overnight lows near 23°C, with 136 mm of rain across 9.5 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 38% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Dalian's 12th-clearest and 11th-windiest month. For the whole year in context, see Dalian's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
136 mm
9.5 wet days
Daylight
14 h 30 min
4:45 AM – 7:14 PM
Cloud cover
54%
12th clearest
Wind
15 km/h
11th windiest
Solar energy
5.62 kWh/m²
Travel score
7.0
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical July day in Dalian reaches about 25°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62422
72422
82422
92422
102422
112422
122422
132422
142423
152423
162523
172523
182523
192523
202523
212523
222523
232523
242524
252524
262524
272624
282624
292624
302624
312624

How July really feels in Dalian

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55446
65446
75446
85248
95248
105149
115149
125149
135050
145050
155050
165149
175149
185149
195248
205248
215347
225347
235347
245347
255347
265446
275446
285446
295446
305446
315446

Chance of precipitation in July

Any precipitation

Dalian gets around 136 mm of rain over 9.5 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 31% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
124
224
324
424
524
624
725
825
926
1026
1127
1228
1329
1430
1531
1632
1733
1833
1934
2034
2135
2235
2336
2436
2536
2637
2737
2837
2937
3037
3136

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112066130
211865160
311566180
401366210
501165240
60963271
70861301
80660331
90558361
100455392
110354412
120351442
130348463
140246493
150243514
160240535
170238546
180235567
190233578
200231589
2102295811
2202275912
2302246014
2402226115
2501206217
2601196218
2701176319
2801166221
2901146322
3001136323
3101126324

Wind in July

Winds average 15 km/h in July.

Across July, daily wind ranges from about 15 km/h on the calmest days to 16 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
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 July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:36 AM to 4:57 AM, and sunset from 7:18 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:367:18
214.74:367:18
314.74:377:18
414.74:377:18
514.74:387:17
614.64:387:17
714.64:397:17
814.64:407:17
914.64:407:16
1014.64:417:16
1114.64:417:16
1214.64:427:15
1314.54:437:15
1414.54:437:15
1514.54:447:14
1614.54:457:14
1714.54:467:13
1814.44:467:12
1914.44:477:12
2014.44:487:11
2114.44:497:11
2214.34:497:10
2314.34:507:09
2414.34:517:08
2514.34:527:08
2614.24:537:07
2714.24:547:06
2814.24:547:05
2914.14:557:04
3014.14:567:03
3114.14:577:02

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.62 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 — July's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in July

Hazard calendar for Dalian

In seasonPeak

In July, 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 July a good time to visit Dalian?

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

7.0
Sightseeing
3rd-best month of the year
6.1
Beach & pool
2nd-best month of the year

July 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 July

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

In July, Dalian sees daytime highs around 25°C and nights near 23°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Dalian in July

The nearest coast averages about 22°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 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
July 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).