Dalian, China experiences average highs of 14°C (57°F) and lows of 10°C (50°F) throughout the year. The climate is relatively dry, with only 5 rainy days per month on average. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Dalian, China Weather & Climate 2026
Monthly climate averages for Dalian, China. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.1/10
Best: June, July, September
UV Index
5
Low
Temperature 14°C / 10°C
Feels Like 13°C / 7°C
Rainy Days 5
Rainfall 51 mm
Sunshine 9 h
Humidity 69%
Wind Speed 26 km/h
Dew Point 7°C
Snow Days 3 days
Frost Days 16 days
Hottest Month
28°C
August
Avg Low24°C
Rain11days
Coldest Month
-4°C
January
Avg High1°C
Rain2days
Driest Month
2days
January
Avg High1°C
Avg Low-4°C
Windiest Month
30 km/h
December (Gusts 46)
Sea Temperature
3°C – 28°C
Warmest water: August (
27.5°C
)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 04:29
Daylight 14.9h
Sunset 19:22
Live conditions—
Dalian on the map · live conditions
Dalian, China
- Continent
- Asia
- Country
- China
- City
- Dalian
- Population
- 4.9M
- Coordinates
- 38.91°, 121.60°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 8°C
Rain 5 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 22°C
Rain 9 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 17°C
Avg Low 13°C
Rain 5 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 2°C
Avg Low -3°C
Rain 2 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 1°C / -4°C . Feb: 2°C / -3°C . Mar: 7°C / 2°C . Apr: 13°C / 8°C . May: 18°C / 14°C . Jun: 23°C / 19°C . Jul: 27°C / 23°C . Aug: 28°C / 24°C . Sep: 24°C / 20°C . Oct: 17°C / 13°C . Nov: 10°C / 6°C . Dec: 3°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 7 mm. Feb: 11 mm. Mar: 15 mm. Apr: 30 mm. May: 54 mm. Jun: 64 mm. Jul: 129 mm. Aug: 156 mm. Sep: 66 mm. Oct: 39 mm. Nov: 31 mm. Dec: 11 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 61%. Feb: 62%. Mar: 66%. Apr: 66%. May: 70%. Jun: 78%. Jul: 85%. Aug: 81%. Sep: 74%. Oct: 65%. Nov: 64%. Dec: 60%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 28 km/h . Feb: 28 km/h . Mar: 27 km/h . Apr: 27 km/h . May: 26 km/h . Jun: 22 km/h . Jul: 21 km/h . Aug: 22 km/h . Sep: 22 km/h . Oct: 26 km/h . Nov: 29 km/h . Dec: 30 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 10h. May: 11h. Jun: 11h. Jul: 10h. Aug: 9h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 6°C . Feb: 3°C . Mar: 4°C . Apr: 8°C . May: 13°C . Jun: 19°C . Jul: 25°C . Aug: 28°C . Sep: 25°C . Oct: 19°C . Nov: 14°C . Dec: 10°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 4 days. Feb: 3 days. Mar: 1 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 2 days. Dec: 5 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 28 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 28°C | Aug · 28°C |
| Coldest month | Feb 2025 · -3°C | Jan · -4°C |
| Wettest month | Aug 2025 · 304 mm | Aug · 156 mm |
| Windiest month | Dec 2025 · 31 km/h | Dec · 30 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Fair May
Good June best
Excellent July best
Excellent August
Good September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -4°C | -5°C / -11°C | 2days (7 mm) Excellent | 7.8h Good | 61% Muggy | 2.6 Moderate | Poor | View Details |
| February | 2°C / -3°C | -3°C / -9°C | 2days (11 mm) Excellent | 8.8h Good | 62% Muggy | 3.7 Moderate | Poor | View Details |
| March | 7°C / 2°C | 3°C / -3°C | 3days (15 mm) Excellent | 9.8h Good | 66% Muggy | 5 Moderate | Fair | View Details |
| April | 13°C / 8°C | 10°C / 4°C | 5days (30 mm) Good | 10.4h Excellent | 66% Muggy | 6.4 High | Fair | View Details |
| May | 18°C / 14°C | 17°C / 11°C | 6days (54 mm) Good | 10.6h Excellent | 70% Muggy | 6.5 High | Good | View Details |
| June best | 23°C / 19°C | 25°C / 19°C | 7days (64 mm) Good | 11.2h Excellent | 78% Humid | 7.1 Very High | Excellent | View Details |
| July best | 27°C / 23°C | 31°C / 26°C | 9days (129 mm) Wet | 10.2h Excellent | 85% Humid | 6.6 High | Excellent | View Details |
| August | 28°C / 24°C | 31°C / 26°C | 11days (156 mm) Wet | 9.4h Good | 81% Humid | 6.4 High | Good | View Details |
| September best | 24°C / 20°C | 25°C / 20°C | 5days (66 mm) Good | 9.7h Good | 74% Muggy | 5.7 High | Excellent | View Details |
| October | 17°C / 13°C | 15°C / 9°C | 5days (39 mm) Good | 8.6h Good | 65% Muggy | 4 Moderate | Good | View Details |
| November | 10°C / 6°C | 6°C / 0°C | 4days (31 mm) Good | 7.6h Good | 64% Muggy | 3 Moderate | Fair | View Details |
| December | 3°C / -2°C | -2°C / -8°C | 3days (11 mm) Excellent | 7.2h Good | 60% Moderate | 2.4 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Dalian are June, July, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Dalian, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Dalian is August, with average daytime highs of 28°C (82°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Dalian is January, with average overnight lows of -4°C (25°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Dalian is August, averaging 156mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
Dalian receives approximately 111 sunshine hours per year. The sunniest month is June with around 11 hours. Based on climate data for Dalian.
The least favorable months to visit Dalian are January, February, December, primarily due to very cold temperatures. For the best conditions, consider June, July, September instead.
The annual average UV index in Dalian is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Dalian is 69%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in July, August, September average 26°C (79°F), which is warm and comfortable for swimming and water activities.
Yes, Dalian receives snow. Months with snowfall average 3 snow days and 3 cm (1 in) of accumulation, with about 16 frost days during winter.
Average wind speeds in Dalian are 26 km/h (16 mph). The windiest month is December with peak winds reaching 30 km/h (19 mph) (gusts up to 46 km/h / 28 mph).
Dalian averages 9 clear-sky days per month with overall cloud cover around 44%. The clearest skies occur in March.
The annual average dew point in Dalian is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Dalian has a Humid Subtropical (dry winter) climate, classified as Cwa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Dalian ranges from 7°C (45°F) to 13°C (55°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Dalian. It earns a climate score of 8.9/10 with Excellent.
For June in Dalian, pack Umbrella, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (74°F) and 7 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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