Annual mean 12°C · wettest around August · prevailing wind NW
Warmest
29.5 °C
Coldest
-1.1 °C
Wettest
31%
Windiest
5.9 m/s
Prevailing
NW
4.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Dalian over the whole year is 12°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C. The rainy (wet) season in Dalian runs from June to August, peaking in August with a 25% chance of rain on a given day. The dry season is September to May; March is the driest month, at 6%. Winds in Dalian are highest in May, averaging 4.2 m/s (15 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the NW. The clearest skies in Dalian come in March, when the sky is typically 40% covered; July is the cloudiest month, at 57%.
Month by month Dalian climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-0°C
-5°C
-6°C
7%
41%
3.3 m/s
0
0
1
February
2°C
-3°C
-4°C
7%
42%
3.6 m/s
0
0
5
March
9°C
3°C
3°C
6%
40%
3.8 m/s
2
0
28
April
16°C
9°C
10°C
11%
46%
4.1 m/s
20
0
71
May
21°C
15°C
17°C
15%
52%
4.2 m/s
63
8
76
June
25°C
20°C
24°C
16%
57%
3.7 m/s
77
44
39
July
28°C
24°C
30°C
25%
57%
3.5 m/s
29
61
6
August
28°C
24°C
30°C
25%
56%
3.1 m/s
26
55
7
September
25°C
19°C
24°C
13%
50%
3.0 m/s
72
45
38
October
18°C
11°C
14°C
13%
45%
3.1 m/s
50
1
78
November
10°C
5°C
5°C
14%
47%
3.4 m/s
8
0
40
December
2°C
-2°C
-4°C
8%
46%
3.4 m/s
0
0
5
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Dalian weather by season
Year round, Dalian has days of about -0°C at their warmest in January, its coolest month, and 28°C in August, its warmest; the coolest hours of the day run from -5°C to 24°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around August and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Dalian weather in winterDecember to February
High 1°CLow -3°CRain 7%
Winter in Dalian has typical daily highs of about 1°C and lows of about -3°C, with a 7% chance of rain on a given day.
Dalian weather in springMarch to May
High 15°CLow 9°CRain 11%
Spring in Dalian has typical daily highs of about 15°C and lows of about 9°C, with a 11% chance of rain on a given day.
Dalian weather in summerJune to August
High 27°CLow 23°CRain 22%
Summer in Dalian has typical daily highs of about 27°C and lows of about 23°C, with a 22% chance of rain on a given day.
Dalian weather in autumnSeptember to November
High 17°CLow 11°CRain 13%
Autumn in Dalian has typical daily highs of about 17°C and lows of about 11°C, with a 13% chance of rain on a given day.
When is the rainy season in Dalian?
The rainy (wet) season in Dalian runs from June to August, peaking in August with a 25% chance of rain on a given day. The dry season is September to May; March is the driest month, at 6%.
What time of year is Dalian windiest?
Winds in Dalian are highest in May, averaging 4.2 m/s (15 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the NW.
What is the average temperature in Dalian year round?
The average temperature in Dalian over the whole year is 12°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C.