AI-generatedDalian at a glance
- Best time
- May – Oct
- Warmest month
- Aug · 27°
- Warmest sea
- Aug · 24.6°
- Sunshine a year
- 2,630 h
- Rain a year
- 634 mm
- Climate
- Continental
- Time zone
- UTC+8
- Elevation
- 33 m
Climate in Dalian
Dalian has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 27 °C, while January is the coolest at 0 °C. With around 2,630 hours of sunshine a year, Dalian is sunny; May is the sunniest month with 8.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: May – October
October is the peak of the typhoon season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 15°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 15°
- Night, 23:00: about 14°
06:0217:17
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:45–06:38 · evening 16:41–17:33
- Blue hour
- Morning 05:35–05:45 · evening 17:33–17:44
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Dalian in October?
In October, Dalian is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. The sea averages 18.8 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 36 mm. All in all, October is an excellent month for a holiday in Dalian.
More details for October
- Daylight
- 11 h 15 min06:02 – 17:17
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %91 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 30 %88 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Sea temperature in Dalian
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 17.8 – 19.7 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Dalian ranges from 3.4 °C in February to 24.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.1 and 26.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 5.3° | 3.9° | 6.3° | cold |
| FebruaryFeb | 3.4° | 2.1° | 4.7° | cold |
| MarchMar | 3.9° | 2.5° | 5.0° | cold |
| AprilApr | 7.2° | 6.2° | 8.4° | cold |
| MayMay | 12.3° | 11.5° | 13.3° | cold |
| JuneJun | 17.5° | 16.5° | 18.5° | fresh |
| JulyJul | 22.0° | 20.9° | 23.3° | refreshing |
| AugustAug | 24.6° | 23.1° | 26.3° | pleasant |
| SeptemberSep | 22.8° | 22.0° | 23.7° | refreshing |
| OctoberOct | 18.8° | 17.8° | 19.7° | fresh |
| NovemberNov | 14.0° | 13.1° | 15.3° | cold |
| DecemberDec | 9.5° | 8.5° | 10.9° | cold |
Sunshine hours in Dalian
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 7.1 of 11.3 hours of daylight in Dalian, 63 % of the day.
Sunshine hours: measured at the weather station 3 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Dalian
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Dalian: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Dalian has about 6 rainy days with 36 mm of rain in total.
Wind and clouds in Dalian
How breezy and how cloudy Dalian is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Dalian typically peaks at 26 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 39 % of the sky over Dalian: mostly sunny, with about 7.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Dalian
How often the day gets hot in Dalian (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Dalian has about 0 hot days, with an average daytime high of 17 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Dalian
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 13°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−4°), the warmest in August (23°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 79 days a year, mostly from July to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 41 | 0° | −4° | 5.3° | 6.2 h | 2 | 8 |
| FebruaryFeb | 43 | 2° | −3° | 3.4° | 6.8 h | 2 | 11 |
| MarchMar | 46 | 6° | 1° | 3.9° | 7.9 h | 3 | 17 |
| AprilApr | 65 | 12° | 7° | 7.2° | 8.5 h | 6 | 37 |
| MayMay | 92 | 18° | 13° | 12.3° | 8.9 h | 6 | 55 |
| JuneJun | 90 | 22° | 18° | 17.5° | 8.1 h | 7 | 79 |
| JulyJul | 80 | 26° | 23° | 22.0° | 6.6 h | 10 | 151 |
| AugustAug | 82 | 27° | 23° | 24.6° | 7.2 h | 9 | 147 |
| SeptemberSep | 93 | 23° | 19° | 22.8° | 7.8 h | 5 | 56 |
| OctoberOct | 86 | 17° | 13° | 18.8° | 7.1 h | 6 | 36 |
| NovemberNov | 47 | 10° | 5° | 14.0° | 5.7 h | 4 | 27 |
| DecemberDec | 38 | 3° | −2° | 9.5° | 5.5 h | 3 | 11 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
38.91° N, 121.60° E · 33 m · Asia/Shanghai
Best time to visit Dalian
The best time to visit Dalian is from May to October. For a beach holiday with the sea above 21 °C, go from July to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to October. The wettest month is July with 151 mm of precipitation.
Dalian through the seasons
How the weather changes over the seasons, with averages for each.
Dalian in spring
Mar – May
Good
- 6–18 °C by day
- Sea 8 °C
- 8 h of sun a day
- 15 rainy days in all
Dalian in summer
Jun – Aug
Excellent
- 22–27 °C by day
- Sea 21 °C
- 7 h of sun a day
- 26 rainy days in all
Dalian in autumn
Sep – Nov
Good
- 10–23 °C by day
- Sea 19 °C
- 7 h of sun a day
- 15 rainy days in all
Dalian in winter
Dec – Feb
Fair
- 0–3 °C by day
- Sea 6 °C
- 6 h of sun a day
- 7 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Dalian for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Dalian
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Dalian: score 93 against 86. In September, days are 6 °C warmer than in October. The sea is 4 °C warmer in September. September has one rainy day fewer. The sun shines an hour longer a day in September.
| Month | October | September |
|---|---|---|
| Weather score | 86 | 93better |
| Day high | 17° | 23° |
| Night low | 13° | 19° |
| Sea | 18.8° | 22.8° |
| Sunshine | 7.1 h | 7.8 hbetter |
| Rainy days | 6 | 5better |
| Rainfall | 36 mmbetter | 56 mm |
| Muggy days | 0better | 12 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jul – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Oct
15–28 °C and not too much rain
Dalian month by month
The typical weather for every month at a glance.
41January0° · Sea 5° · 6 h
In January, Dalian is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−4 °C). The sea averages 5.3 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 2 days, totalling 8 mm. All in all, January is a so-so month for a holiday in Dalian.
Dalian in January43February2° · Sea 3° · 7 h
In February, Dalian is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sea averages 3.4 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Precipitation, often as snow, falls on about 2 days, totalling 11 mm. All in all, February is a so-so month for a holiday in Dalian.
Dalian in February46March6° · Sea 4° · 8 h
In March, Dalian is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sea averages 3.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 17 mm in total. All in all, March is a so-so month for a holiday in Dalian.
Dalian in March65April12° · Sea 7° · 9 h
In April, Dalian is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 7.2 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 37 mm. All in all, April is a good month for a holiday in Dalian.
Dalian in April92May18° · Sea 12° · 9 h
In May, Dalian is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 12.3 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 55 mm. All in all, May is an excellent month for a holiday in Dalian.
Dalian in May90June22° · Sea 18° · 8 h
In June, Dalian is warm: daytime highs average 22 °C, and nights cool down to about 18 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 79 mm. All in all, June is an excellent month for a holiday in Dalian.
Dalian in June80July26° · Sea 22° · 7 h
In July, Dalian is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 22.0 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 151 mm in total. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Dalian.
Dalian in July82August27° · Sea 25° · 7 h
In August, Dalian is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 24.6 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 147 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Dalian.
Dalian in August93September23° · Sea 23° · 8 h
In September, Dalian is warm: daytime highs average 23 °C, and nights cool down to about 19 °C. The sea averages 22.8 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 56 mm. All in all, September is an excellent month for a holiday in Dalian.
Dalian in September86October17° · Sea 19° · 7 h
In October, Dalian is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. The sea averages 18.8 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 36 mm. All in all, October is an excellent month for a holiday in Dalian.
Dalian in October47November10° · Sea 14° · 6 h
In November, Dalian is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is rare: about 4 days bring 27 mm in total. It is often windy, with gusts of around 29 km/h. All in all, November is a so-so month for a holiday in Dalian.
Dalian in November38December3° · Sea 10° · 6 h
In December, Dalian is cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sea averages 9.5 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 3 days, totalling 11 mm. It is often windy, with gusts of around 30 km/h. All in all, December is not an ideal month for a holiday in Dalian.
Dalian in DecemberDalian compared
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Dalian vs. Qingdao
In October the holiday weather in Dalian and Qingdao is about equally good (score 86 vs. 90). During the day Qingdao is 2 °C warmer than Dalian. The sea in Qingdao is 2 °C warmer.
| in October | Dalian | Qingdao |
|---|---|---|
| Holiday score | 86 | 90 |
| Daytime high | 17° | 19° |
| Sea | 19° | 21° |
| Sunshine | 7 h | 7 h |
| Rainy days | 6 | 5 |
| Best time | May – Oct | May – Jun, Sep – Oct |
Through the year
China in October: the best places
In October, Dalian ranks 7 among the 31 nearest destinations in this country.
- Beijing19°91
- 2Qingdao19°21°90
- 3Tianjin20°89
- 4Jinan21°89
- 5Shantou27°26°89
- 6Quanzhou27°25°88
- 7DalianThis page17°19°86
- 8Kaifeng22°84
Planning a trip to Dalian
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Dalian in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Dalian has its best school-holiday weather during May half-term (score 92) and its weakest during the Christmas holidays (score 40).
- 59
Easter holidays
Mar – Apr
Fair
- 10 °C by day
- Sea 6 °C
- 8.3 h of sun a day
- 5 rainy days a month
- 92
May half-term
May – Jun
ExcellentBest holidays
- 18 °C by day
- Sea 13 °C
- 8.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 81
Summer holidays
Jul – Aug
Excellent
- 26 °C by day
- Sea 24 °C
- 7.0 h of sun a day
- 10 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 86
October half-term
Oct
Excellent
- 17 °C by day
- Sea 19 °C
- 7.1 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 40
Christmas holidays
Dec – Jan
Fair
- 2 °C by day
- Sea 7 °C
- 5.9 h of sun a day
- 3 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 45 min
- Distance
- 8,500 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Dalian lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Dalian
When is the best time to visit Dalian?
The best time to visit Dalian is from May to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Dalian?
The sea temperature in Dalian ranges from 3.4 °C in February to 24.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Dalian in October?
Only if you don't mind cold water: in October the sea averages just 18.8 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Dalian?
August is the warmest month, with average highs of 27 °C and nights around 23 °C. January is the coolest month at 0 °C.
When does it rain most in Dalian?
The wettest month is July with 151 mm of precipitation. The driest month is January with 8 mm.
How many hours of sunshine does Dalian get?
Dalian gets around 2,630 hours of sunshine a year. The sunniest month is May with 8.9 hours a day; in December there are 5.5 hours a day.
What time zone is Dalian in?
Dalian uses the time zone Asia/Shanghai, at UTC+8 all year.
How long is the flight from London to Dalian?
A nonstop flight from London to Dalian takes about 10 h 45 min, for a straight-line distance of about 8,500 km.
When is typhoon season in Dalian?
Dalian lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Dalian?
Dalian has its best school-holiday weather during May half-term (score 92) and its weakest during the Christmas holidays (score 40). Holiday ratings (0–100): Easter holidays 59, May half-term 92, Summer holidays 81, October half-term 86, Christmas holidays 40.
Near Dalian
Other destinations close by.
Places with a climate like Dalian
Destinations whose weather through the year is closest to Dalian's – good alternatives.