Best time to visit Dalian: month-by-month weather (2026)
The highest-scoring months in Dalian are May, Jun, Sep and Oct.
Best months
May, Jun, Sep and Oct
Peak season
May, Jun, Jul, Aug, Sep and Oct
Off season
Jan, Feb and Dec
Monthly Temperatures (°C)
Monthly Rainfall (mm)
Month-by-Month Guide
Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.
Jan
Temp: -4.8°C – 1.4°C
Rain: 7mm
Sunshine: 7.9h/day
Visit score: 4.9/10
Feb
Temp: -3.7°C – 2.2°C
Rain: 8mm
Sunshine: 8.5h/day
Visit score: 5/10
Mar
Temp: 2°C – 9.3°C
Rain: 15mm
Sunshine: 9.9h/day
Visit score: 5/10
Apr
Temp: 7.7°C – 15.1°C
Rain: 46mm
Sunshine: 9.9h/day
Visit score: 5.6/10
May
BestTemp: 13.2°C – 19.9°C
Rain: 70mm
Sunshine: 9.8h/day
Visit score: 7.6/10
Jun
BestTemp: 18.7°C – 25.2°C
Rain: 78mm
Sunshine: 10.8h/day
Visit score: 9.1/10
Jul
Temp: 22.9°C – 27.6°C
Rain: 282mm
Sunshine: 9.5h/day
Visit score: 7.3/10
Aug
Temp: 23.5°C – 28.4°C
Rain: 175mm
Sunshine: 9.6h/day
Visit score: 7.3/10
Sep
BestTemp: 19.1°C – 25.4°C
Rain: 47mm
Sunshine: 9.6h/day
Visit score: 9.1/10
Oct
BestTemp: 11.7°C – 18.3°C
Rain: 46mm
Sunshine: 7.9h/day
Visit score: 7.5/10
Nov
Temp: 5.2°C – 11.6°C
Rain: 25mm
Sunshine: 7.3h/day
Visit score: 6.3/10
Dec
Temp: -2.8°C – 3°C
Rain: 14mm
Sunshine: 7h/day
Visit score: 4.7/10
When to go, and when not to
The strongest months for a visit to Dalian are May, June, September, and October. June brings highs around 25.2C and lows around 18.7C with about 10.8 hours of sunshine a day, while September offers similar warmth, with highs of 25.4C, lows of 19.1C, and lower rainfall at 47mm. May and October are cooler, with May highs near 19.9C and October highs near 18.3C, offering sunshine totals of 9.8 and 7.9 hours per day.
Peak season runs from May through October, overlapping with the warmest and wettest stretch of the year. July is the wettest month, with 282mm of rain, and August is the hottest, with highs averaging 28.4C, so travelers visiting in the shoulder months of May, June, September, or October generally avoid both the heaviest rain and the most intense heat.
Season Guide
Spring
March – May
Mild temperatures and blooming gardens. A great time for sightseeing with fewer crowds than summer.
Packing tips
- · Light layers
- · Rain jacket
- · Comfortable walking shoes
Summer
June – August
Warmest months with the longest days. Peak tourist season in most destinations.
Packing tips
- · Sunscreen
- · Hat
- · Light clothing
- · Refillable water bottle
Autumn
September – November
Cooling temperatures and autumn foliage. Shoulder season with good deals on accommodations.
Packing tips
- · Medium layers
- · Sweater
- · Waterproof jacket
Winter
December – February
Coldest months with shorter days. Holiday markets and winter activities in many cities.
Packing tips
- · Warm coat
- · Scarf and gloves
- · Thermal layers
- · Waterproof boots
Keep reading
Sources
- GeoNames city database — CC BY 4.0, fetched September 14, 2026
- Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026
AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.