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Dalian climate by month
What the weather is like
Dalian has a monsoon-influenced hot-summer continental climate (Köppen Dwa): dry, cold winters and wet summers.
The warmest month is August, when afternoons average 25° and nights 23°. January is the coolest month, with highs of 0° and lows of -4°. The difference between the warmest and the coolest month is about 26°, a large swing typical of continental interiors.
About 597 mm of precipitation falls in an average year. July is the wettest month (141 mm, 13 wet days) and January the driest (8 mm, 2 wet days). Cloud cover ranges from 25% in October to 40% in July.
The sea reaches about 24° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Beijing, the capital, Dalian is 4.7° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · August
- Coldest nights
- -4° · January
- Wettest month
- July
- Driest month
- January
- Clearest skies
- October · 25% cloud
- Warmest sea
- 24° · August
- Longest day
- 14 h 53 min
- Shortest day
- 9 h 28 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 0° | 1° | 4° | 9° | 15° | 20° | 24° | 25° | 22° | 17° | 10° | 3° |
| Average low | -4° | -2° | 1° | 7° | 12° | 18° | 22° | 23° | 20° | 14° | 6° | -1° |
| Precipitation | 8 mm | 7 mm | 15 mm | 29 mm | 52 mm | 74 mm | 141 mm | 144 mm | 64 mm | 33 mm | 20 mm | 10 mm |
| Wet days (≥1 mm) | 1.6 | 2.2 | 2.1 | 4.8 | 6.2 | 8.8 | 12.5 | 12.3 | 6.9 | 5.3 | 3.5 | 2.6 |
| Cloud cover | 31% | 28% | 30% | 31% | 36% | 39% | 40% | 35% | 29% | 25% | 28% | 32% |
| Sea temperature | 5° | 3° | 4° | 7° | 12° | 17° | 22° | 24° | 23° | 19° | 14° | 9° |
| Daylight | 9h 44 | 10h 44 | 11h 54 | 13h 11 | 14h 17 | 14h 53 | 14h 39 | 13h 43 | 12h 29 | 11h 14 | 10h 05 | 9h 28 |
| Month score | 54 | 53 | 53 | 46 | 67 | 76 | 66 | 67 | 84 | 81 | 50 | 51 |