Dalian weather in May
In May, Dalian sees average daytime highs of 15°C and overnight lows near 13°C, with 59 mm of rain across 6 wet days and about 14.1 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.
Highs climb over the month, from about 13°C in the first days to 18°C by the end. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Dalian's 7th-clearest and 8th-windiest month. For the whole year in context, see Dalian's year-round climate.
- Daytime high
- 15°
- 6th warmest
- Overnight low
- 13°
- 7th coldest
- Rainfall
- 59 mm
- 6 wet days
- Daylight
- 14 h 06 min
- 4:46 AM – 6:53 PM
- Cloud cover
- 47%
- 7th clearest
- Wind
- 19 km/h
- 8th windiest
- Solar energy
- 6.17 kWh/m²
- Travel score
- 5.3
- 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 May
Highs climb over the month, from about 13°C in the first days to 18°C by the end.
A typical May day in Dalian reaches about 15°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.
| 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) | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Avg low (°C) | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 13 | 10 |
| 2 | 13 | 10 |
| 3 | 13 | 10 |
| 4 | 13 | 11 |
| 5 | 13 | 11 |
| 6 | 13 | 11 |
| 7 | 14 | 11 |
| 8 | 14 | 11 |
| 9 | 14 | 12 |
| 10 | 14 | 12 |
| 11 | 14 | 12 |
| 12 | 15 | 12 |
| 13 | 15 | 12 |
| 14 | 15 | 12 |
| 15 | 15 | 13 |
| 16 | 15 | 13 |
| 17 | 16 | 13 |
| 18 | 16 | 13 |
| 19 | 16 | 14 |
| 20 | 16 | 14 |
| 21 | 16 | 14 |
| 22 | 17 | 14 |
| 23 | 17 | 14 |
| 24 | 17 | 15 |
| 25 | 17 | 15 |
| 26 | 17 | 15 |
| 27 | 18 | 15 |
| 28 | 18 | 15 |
| 29 | 18 | 15 |
| 30 | 18 | 16 |
| 31 | 18 | 16 |
How May really feels in Dalian
Once humidity and wind are folded in, May 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.
May 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 May compares with the rest of the year at a glance. May is the 6th-warmest and 4th-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 May
The sky is clear or mostly clear about 46% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 40%.
| 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 (%) | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 58 | 58 | 57 | 57 | 58 | 58 | 57 | 58 | 58 | 59 | 59 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 |
| Cloudier (%) | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 42 | 42 | 43 | 43 | 42 | 42 | 43 | 42 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 63 | 37 |
| 2 | 62 | 38 |
| 3 | 62 | 38 |
| 4 | 61 | 39 |
| 5 | 60 | 40 |
| 6 | 59 | 41 |
| 7 | 58 | 42 |
| 8 | 58 | 42 |
| 9 | 58 | 42 |
| 10 | 57 | 43 |
| 11 | 57 | 43 |
| 12 | 58 | 42 |
| 13 | 58 | 42 |
| 14 | 57 | 43 |
| 15 | 58 | 42 |
| 16 | 58 | 42 |
| 17 | 59 | 41 |
| 18 | 59 | 41 |
| 19 | 60 | 40 |
| 20 | 60 | 40 |
| 21 | 61 | 39 |
| 22 | 61 | 39 |
| 23 | 61 | 39 |
| 24 | 61 | 39 |
| 25 | 61 | 39 |
| 26 | 61 | 39 |
| 27 | 61 | 39 |
| 28 | 60 | 40 |
| 29 | 60 | 40 |
| 30 | 60 | 40 |
| 31 | 60 | 40 |
Chance of precipitation in May
Dalian gets around 59 mm of rain over 6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 20% and peaks near 23% on the wettest days.
| 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 (%) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 23 |
| 2 | 23 |
| 3 | 23 |
| 4 | 23 |
| 5 | 23 |
| 6 | 23 |
| 7 | 23 |
| 8 | 23 |
| 9 | 23 |
| 10 | 23 |
| 11 | 22 |
| 12 | 22 |
| 13 | 22 |
| 14 | 21 |
| 15 | 20 |
| 16 | 20 |
| 17 | 19 |
| 18 | 18 |
| 19 | 18 |
| 20 | 17 |
| 21 | 17 |
| 22 | 17 |
| 23 | 16 |
| 24 | 16 |
| 25 | 16 |
| 26 | 17 |
| 27 | 17 |
| 28 | 17 |
| 29 | 18 |
| 30 | 18 |
| 31 | 18 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 98 | 98 | 97 | 96 | 95 | 94 | 92 | 91 | 89 | 86 | 84 | 80 | 78 | 75 | 71 | 67 | 63 | 59 | 55 | 50 | 45 | 40 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 11 | 14 | 16 | 19 | 21 | 24 | 27 | 31 | 34 | 37 | 40 | 43 | 45 | 47 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 7 | 10 | 12 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 100 | 0 | 0 |
| 2 | 100 | 0 | 0 |
| 3 | 100 | 0 | 0 |
| 4 | 100 | 0 | 0 |
| 5 | 100 | 0 | 0 |
| 6 | 100 | 0 | 0 |
| 7 | 99 | 1 | 0 |
| 8 | 99 | 1 | 0 |
| 9 | 99 | 1 | 0 |
| 10 | 98 | 2 | 0 |
| 11 | 98 | 2 | 0 |
| 12 | 97 | 3 | 0 |
| 13 | 96 | 4 | 0 |
| 14 | 95 | 5 | 0 |
| 15 | 94 | 6 | 0 |
| 16 | 92 | 8 | 0 |
| 17 | 91 | 9 | 0 |
| 18 | 89 | 11 | 0 |
| 19 | 86 | 14 | 0 |
| 20 | 84 | 16 | 0 |
| 21 | 80 | 19 | 1 |
| 22 | 78 | 21 | 1 |
| 23 | 75 | 24 | 1 |
| 24 | 71 | 27 | 2 |
| 25 | 67 | 31 | 2 |
| 26 | 63 | 34 | 3 |
| 27 | 59 | 37 | 4 |
| 28 | 55 | 40 | 5 |
| 29 | 50 | 43 | 7 |
| 30 | 45 | 45 | 10 |
| 31 | 40 | 47 | 12 |
Wind in May
Winds average 19 km/h in May.
Across May, daily wind ranges from about 17 km/h on the calmest days to 20 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) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 |
| Feels | breezy | breezy | 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 | 20 | breezy |
| 2 | 20 | breezy |
| 3 | 20 | light breeze |
| 4 | 20 | light breeze |
| 5 | 20 | light breeze |
| 6 | 20 | light breeze |
| 7 | 20 | light breeze |
| 8 | 19 | light breeze |
| 9 | 19 | light breeze |
| 10 | 19 | light breeze |
| 11 | 19 | light breeze |
| 12 | 19 | light breeze |
| 13 | 19 | light breeze |
| 14 | 19 | light breeze |
| 15 | 19 | light breeze |
| 16 | 19 | light breeze |
| 17 | 19 | light breeze |
| 18 | 19 | light breeze |
| 19 | 19 | light breeze |
| 20 | 19 | light breeze |
| 21 | 19 | light breeze |
| 22 | 18 | light breeze |
| 23 | 18 | light breeze |
| 24 | 18 | light breeze |
| 25 | 18 | light breeze |
| 26 | 18 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 17 | light breeze |
Sunrise & sunset in May
Daylight runs from about 13 h 36 min at the start of May to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 54 minutes over May. Sunrise moves from 5:03 AM to 4:36 AM, and sunset from 6:39 PM to 7:06 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) | 13.6 | 13.6 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 |
| Sunrise (AM) | 5:03 | 5:01 | 5:00 | 4:59 | 4:58 | 4:57 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:45 | 4:45 | 4:44 | 4:43 | 4:42 | 4:41 | 4:41 | 4:40 | 4:39 | 4:39 | 4:38 | 4:38 | 4:37 | 4:36 | 4:36 |
| Sunset (PM) | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:04 | 7:05 | 7:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.6 | 5:03 | 6:39 |
| 2 | 13.6 | 5:01 | 6:40 |
| 3 | 13.7 | 5:00 | 6:41 |
| 4 | 13.7 | 4:59 | 6:42 |
| 5 | 13.8 | 4:58 | 6:43 |
| 6 | 13.8 | 4:57 | 6:44 |
| 7 | 13.8 | 4:55 | 6:45 |
| 8 | 13.9 | 4:54 | 6:46 |
| 9 | 13.9 | 4:53 | 6:47 |
| 10 | 13.9 | 4:52 | 6:48 |
| 11 | 14.0 | 4:51 | 6:49 |
| 12 | 14.0 | 4:50 | 6:50 |
| 13 | 14.0 | 4:49 | 6:51 |
| 14 | 14.1 | 4:48 | 6:52 |
| 15 | 14.1 | 4:47 | 6:52 |
| 16 | 14.1 | 4:46 | 6:53 |
| 17 | 14.1 | 4:45 | 6:54 |
| 18 | 14.2 | 4:45 | 6:55 |
| 19 | 14.2 | 4:44 | 6:56 |
| 20 | 14.2 | 4:43 | 6:57 |
| 21 | 14.3 | 4:42 | 6:58 |
| 22 | 14.3 | 4:41 | 6:59 |
| 23 | 14.3 | 4:41 | 7:00 |
| 24 | 14.3 | 4:40 | 7:00 |
| 25 | 14.4 | 4:39 | 7:01 |
| 26 | 14.4 | 4:39 | 7:02 |
| 27 | 14.4 | 4:38 | 7:03 |
| 28 | 14.4 | 4:38 | 7:04 |
| 29 | 14.5 | 4:37 | 7:04 |
| 30 | 14.5 | 4:36 | 7:05 |
| 31 | 14.5 | 4:36 | 7:06 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.17 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 — May's 6.17 kWh/m² sits near the top of that range.
| 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) | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.9 | Bright |
| 9 | 6.0 | Bright |
| 10 | 6.0 | Bright |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.4 | Intense |
| 28 | 6.4 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
| 31 | 6.4 | Intense |
Hazard calendar for Dalian
In May, Dalian sits inside its pacific typhoon 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 May a good time to visit Dalian?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Dalian for sightseeing.
What to pack for Dalian in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Dalian sees daytime highs around 15°C and nights near 13°C. Pack sun protection. Worth having: a warm layer. About 6 days see rain.
Sea temperature near Dalian in May
The nearest coast averages about 12°C in May — 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 May
Clear-sky midday UV in May peaks around 6 — 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 May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).