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
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 21 |
| 2 | 23 | 21 |
| 3 | 23 | 21 |
| 4 | 23 | 21 |
| 5 | 23 | 21 |
| 6 | 24 | 22 |
| 7 | 24 | 22 |
| 8 | 24 | 22 |
| 9 | 24 | 22 |
| 10 | 24 | 22 |
| 11 | 24 | 22 |
| 12 | 24 | 22 |
| 13 | 24 | 22 |
| 14 | 24 | 23 |
| 15 | 24 | 23 |
| 16 | 25 | 23 |
| 17 | 25 | 23 |
| 18 | 25 | 23 |
| 19 | 25 | 23 |
| 20 | 25 | 23 |
| 21 | 25 | 23 |
| 22 | 25 | 23 |
| 23 | 25 | 23 |
| 24 | 25 | 24 |
| 25 | 25 | 24 |
| 26 | 25 | 24 |
| 27 | 26 | 24 |
| 28 | 26 | 24 |
| 29 | 26 | 24 |
| 30 | 26 | 24 |
| 31 | 26 | 24 |
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.
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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 0° / -3° | 7 | 1.9 | 2 | 9.6 | 0.0 |
| Feb | 1° / -2° | 10 | 2 | 1 | 10.5 | 0.0 |
| Mar | 5° / 2° | 15 | 3.1 | 0.7 | 11.7 | 0.2 |
| Apr | 10° / 7° | 36 | 5.4 | 0.1 | 13 | 2.5 |
| May | 15° / 13° | 59 | 6 | 0 | 14.1 | 5.3 |
| Jun | 21° / 19° | 80 | 6.8 | 0 | 14.7 | 7.0 |
| Jul | 25° / 23° | 136 | 9.5 | 0 | 14.4 | 7.0 |
| Aug | 26° / 24° | 140 | 8.7 | 0 | 13.5 | 7.1 |
| Sep | 23° / 20° | 51 | 5.3 | 0 | 12.3 | 7.8 |
| Oct | 17° / 14° | 33 | 5.6 | 0 | 11 | 6.2 |
| Nov | 10° / 6° | 28 | 4.7 | 0.8 | 9.9 | 2.5 |
| Dec | 3° / -0° | 12 | 3.2 | 2.1 | 9.3 | 0.0 |
Cloud cover in July
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%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 52 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 |
| Cloudier (%) | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 55 | 45 |
| 2 | 55 | 45 |
| 3 | 55 | 45 |
| 4 | 55 | 45 |
| 5 | 54 | 46 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 52 | 48 |
| 9 | 52 | 48 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 51 | 49 |
| 13 | 50 | 50 |
| 14 | 50 | 50 |
| 15 | 50 | 50 |
| 16 | 51 | 49 |
| 17 | 51 | 49 |
| 18 | 51 | 49 |
| 19 | 52 | 48 |
| 20 | 52 | 48 |
| 21 | 53 | 47 |
| 22 | 53 | 47 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 53 | 47 |
| 26 | 54 | 46 |
| 27 | 54 | 46 |
| 28 | 54 | 46 |
| 29 | 54 | 46 |
| 30 | 54 | 46 |
| 31 | 54 | 46 |
Chance of precipitation in July
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 24 |
| 2 | 24 |
| 3 | 24 |
| 4 | 24 |
| 5 | 24 |
| 6 | 24 |
| 7 | 25 |
| 8 | 25 |
| 9 | 26 |
| 10 | 26 |
| 11 | 27 |
| 12 | 28 |
| 13 | 29 |
| 14 | 30 |
| 15 | 31 |
| 16 | 32 |
| 17 | 33 |
| 18 | 33 |
| 19 | 34 |
| 20 | 34 |
| 21 | 35 |
| 22 | 35 |
| 23 | 36 |
| 24 | 36 |
| 25 | 36 |
| 26 | 37 |
| 27 | 37 |
| 28 | 37 |
| 29 | 37 |
| 30 | 37 |
| 31 | 36 |
Humidity in July
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 20 | 18 | 15 | 13 | 11 | 9 | 8 | 6 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 66 | 65 | 66 | 66 | 65 | 63 | 61 | 60 | 58 | 55 | 54 | 51 | 48 | 46 | 43 | 40 | 38 | 35 | 33 | 31 | 29 | 27 | 24 | 22 | 20 | 19 | 17 | 16 | 14 | 13 | 12 |
| Oppressive (%) | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 33 | 36 | 39 | 41 | 44 | 46 | 49 | 51 | 53 | 54 | 56 | 57 | 58 | 58 | 59 | 60 | 61 | 62 | 62 | 63 | 62 | 63 | 63 | 63 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 14 | 15 | 17 | 18 | 19 | 21 | 22 | 23 | 24 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 20 | 66 | 13 | 0 |
| 2 | 1 | 18 | 65 | 16 | 0 |
| 3 | 1 | 15 | 66 | 18 | 0 |
| 4 | 0 | 13 | 66 | 21 | 0 |
| 5 | 0 | 11 | 65 | 24 | 0 |
| 6 | 0 | 9 | 63 | 27 | 1 |
| 7 | 0 | 8 | 61 | 30 | 1 |
| 8 | 0 | 6 | 60 | 33 | 1 |
| 9 | 0 | 5 | 58 | 36 | 1 |
| 10 | 0 | 4 | 55 | 39 | 2 |
| 11 | 0 | 3 | 54 | 41 | 2 |
| 12 | 0 | 3 | 51 | 44 | 2 |
| 13 | 0 | 3 | 48 | 46 | 3 |
| 14 | 0 | 2 | 46 | 49 | 3 |
| 15 | 0 | 2 | 43 | 51 | 4 |
| 16 | 0 | 2 | 40 | 53 | 5 |
| 17 | 0 | 2 | 38 | 54 | 6 |
| 18 | 0 | 2 | 35 | 56 | 7 |
| 19 | 0 | 2 | 33 | 57 | 8 |
| 20 | 0 | 2 | 31 | 58 | 9 |
| 21 | 0 | 2 | 29 | 58 | 11 |
| 22 | 0 | 2 | 27 | 59 | 12 |
| 23 | 0 | 2 | 24 | 60 | 14 |
| 24 | 0 | 2 | 22 | 61 | 15 |
| 25 | 0 | 1 | 20 | 62 | 17 |
| 26 | 0 | 1 | 19 | 62 | 18 |
| 27 | 0 | 1 | 17 | 63 | 19 |
| 28 | 0 | 1 | 16 | 62 | 21 |
| 29 | 0 | 1 | 14 | 63 | 22 |
| 30 | 0 | 1 | 13 | 63 | 23 |
| 31 | 0 | 1 | 12 | 63 | 24 |
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in July
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.7 | 14.7 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 |
| Sunrise (AM) | 4:36 | 4:36 | 4:37 | 4:37 | 4:38 | 4:38 | 4:39 | 4:40 | 4:40 | 4:41 | 4:41 | 4:42 | 4:43 | 4:43 | 4:44 | 4:45 | 4:46 | 4:46 | 4:47 | 4:48 | 4:49 | 4:49 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:54 | 4:55 | 4:56 | 4:57 |
| Sunset (PM) | 7:18 | 7:18 | 7:18 | 7:18 | 7:17 | 7:17 | 7:17 | 7:17 | 7:16 | 7:16 | 7:16 | 7:15 | 7:15 | 7:15 | 7:14 | 7:14 | 7:13 | 7:12 | 7:12 | 7:11 | 7:11 | 7:10 | 7:09 | 7:08 | 7:08 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 | 7:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.7 | 4:36 | 7:18 |
| 2 | 14.7 | 4:36 | 7:18 |
| 3 | 14.7 | 4:37 | 7:18 |
| 4 | 14.7 | 4:37 | 7:18 |
| 5 | 14.7 | 4:38 | 7:17 |
| 6 | 14.6 | 4:38 | 7:17 |
| 7 | 14.6 | 4:39 | 7:17 |
| 8 | 14.6 | 4:40 | 7:17 |
| 9 | 14.6 | 4:40 | 7:16 |
| 10 | 14.6 | 4:41 | 7:16 |
| 11 | 14.6 | 4:41 | 7:16 |
| 12 | 14.6 | 4:42 | 7:15 |
| 13 | 14.5 | 4:43 | 7:15 |
| 14 | 14.5 | 4:43 | 7:15 |
| 15 | 14.5 | 4:44 | 7:14 |
| 16 | 14.5 | 4:45 | 7:14 |
| 17 | 14.5 | 4:46 | 7:13 |
| 18 | 14.4 | 4:46 | 7:12 |
| 19 | 14.4 | 4:47 | 7:12 |
| 20 | 14.4 | 4:48 | 7:11 |
| 21 | 14.4 | 4:49 | 7:11 |
| 22 | 14.3 | 4:49 | 7:10 |
| 23 | 14.3 | 4:50 | 7:09 |
| 24 | 14.3 | 4:51 | 7:08 |
| 25 | 14.3 | 4:52 | 7:08 |
| 26 | 14.2 | 4:53 | 7:07 |
| 27 | 14.2 | 4:54 | 7:06 |
| 28 | 14.2 | 4:54 | 7:05 |
| 29 | 14.1 | 4:55 | 7:04 |
| 30 | 14.1 | 4:56 | 7:03 |
| 31 | 14.1 | 4:57 | 7:02 |
Solar energy in July
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| Level | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Intense |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Bright |
| 4 | 6.0 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Dalian
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.
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).
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.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 5 | 3 | 4 | 7 | 12 | 17 | 22 | 24 | 23 | 19 | 14 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 5 | Bracing |
| Feb | 3 | Bracing |
| Mar | 4 | Bracing |
| Apr | 7 | Bracing |
| May | 12 | Bracing |
| Jun | 17 | Cool |
| Jul | 22 | Refreshing |
| Aug | 24 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 14 | Bracing |
| Dec | 9 | Bracing |
UV index in Dalian in July
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | High | High | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 7 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Dalian in July
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 36 | 41 | 52 | 49 | 41 | 33 | 30 | 25 | 24 | 29 | 32 | 30 |
| Level | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 36 | Poor |
| Feb | 41 | Poor |
| Mar | 52 | Poor |
| Apr | 49 | Poor |
| May | 41 | Poor |
| Jun | 33 | Moderate |
| Jul | 30 | Moderate |
| Aug | 25 | Moderate |
| Sep | 24 | Moderate |
| Oct | 29 | Moderate |
| Nov | 32 | Moderate |
| Dec | 30 | Moderate |
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.
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.
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
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).