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Dalian in May: Weather, Average temperature and Climate

Discover the weather for Dalian in May and if it’s a good time to travel (based on historical data).
Check flight prices to Dalian on Avionero:
May

Weather in Dalian in May 2026

OK Weather
Mild
☀️
Sunny
May could be a good time to visit Dalian, as the weather is generally fine. The average high temperature is around +16°C, and there are typically 11 sunny days in May. However, expect about 9 rainy days, and total monthly rainfall of approximately 53 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+16°C
Avg. max. temperature
+6°C
Min.
+31°C
Max.
53 mm
Total precipitation
76%
Avg. humidity
4 m/s
Avg. wind
11 ☀️
Sunny Days
11 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Dalian has OK weather in May.

Average temperature in Dalian in May

Here are the expected maximum, average and minimum temperatures in Dalian for May based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in May is +17°C with a maximum of +21°C and a minimum of +11°C.

The average maximum temperature goes up 60% by the end of the month, compared with the beginning of the month, from +13°C to +19°C.

Is Dalian warm or cold in May?

Dalian is typically mild in May.

Maximum temperatures go up compared to the previous month from +10°C to +16°C. The minimum temperature also goes up from +7°C to +13°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Dalian:

Climate in Dalian in May

Dalian weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+10°C+16°C+21°C
Min. temperature
+1°C+6°C+11°C
Max. temperature
+25°C+31°C+34°C
Rainfall
35 mm53 mm79 mm
Wind
4 m/s4 m/s3 m/s
Humidity
72%76%82%
Air pressure
1014 HPa1009 HPa1005 HPa
Sunny days
11117
Cloudy days
101113
Rainy days
999
Snowy days
000

May typically has worse weather conditions compared to April. It’s getting warmer as May arrives. The average maximum temperature goes up from +10°C to +16°C during the day. Prepare for more rain. Average rainfall goes from 35 mm to 53 mm. Humidity rises from 72% to 76%. The average wind speed doesn’t change much during May, staying around 4 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Dalian in May based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Dalian is gradually increasing during May, going from 4 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Dalian based on historical data.
Last Year
Historical Data
Total precipitation in May is about 47 mm, with a 26% chance of rain on a typical day. The maximum amount of rainfall per day is around 31 mm, which is moderate rain. On average, there are about 8 rainy days during May, so prepare to bring an umbrella.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Dalian wettest month is July, where a typical day has a 42% chance of precipitation and 136 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 3 mm of rainfall per day.

How was the weather last May in Dalian?

This is the weather in Dalian in May 2024:
1 May
☀️
+13°C
2 May
☀️
+15°C
3 May
🌫️
+12°C
4 May
🌫️
+12°C
5 May
☁️
+15°C
6 May
☁️
+14°C
7 May
☀️
+15°C
8 May
☀️
+15°C
9 May
☁️
+16°C
10 May
☁️
+17°C
11 May
☁️
+15°C
12 May
☁️
+16°C
13 May
☀️
+15°C
14 May
☀️
+16°C
15 May
☀️
+19°C
16 May
☀️
+21°C
17 May
☁️
+18°C
18 May
☀️
+16°C
19 May
☁️
+17°C
20 May
☁️
+17°C
21 May
☁️
+17°C
22 May
☀️
+18°C
23 May
☀️
+18°C
24 May
☁️
+18°C
25 May
☁️
+18°C
26 May
☁️
+17°C
27 May
☁️
+16°C
28 May
☁️
+18°C
29 May
☀️
+21°C
30 May
☁️
+19°C
31 May
☁️
+19°C
In May 2024 Dalian had 12 sunny days, 17 cloudy days, and 0 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +21°C and a minimum of +12°C. The average humidity was 75%, with a maximum of 100% and a minimum of 34%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Dalian climate have been changing during last 43 years period.

The climate in Dalian in May has not changed much over the last 43 years.

The average temperature was the lowest in 1981 (+11°C) and the highest in 2019 (+15°C). The driest year was 1999 with only 323 mm of rainfall, and the wettest year was 2022 with 914 mm.

FAQ

Frequently asked questions about the weather in Dalian in May:

Is May a good time to visit Dalian?

It’s always a good time to visit Dalian, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Dalian in May?

May has mild temperatures in Dalian. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Dalian rainy in May?

Dalian is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Dalian in May?

The amount of sunny days in Dalian during May varies; prepare for a mix of clouds and sun.

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Dalian

Source of the data

For this page, we’ve looked at the typical weather in Dalian, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.