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One page of sourced numbers per city: what a day costs, what the travel advisory says, and which months score best on the weather.

Data: GeoNames, Open-Meteo, World Bank, US State Department, UK FCDO.

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© 2026 Travel City Index. Every number on this site comes from a dataset named on the page that shows it.
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  4. /Best time to visit
Weather and seasons in Xi’an, China

Best time to visit Xi’an: month-by-month weather (2026)

The highest-scoring months in Xi’an are Apr, May, Jun and Sep.

Best months

Apr, May, Jun and Sep

Peak season

Apr, May, Jun, Jul, Aug and Sep

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: -3.9°C – 6.1°C

Rain: 12mm

Sunshine: 7.6h/day

Visit score: 4.8/10

Feb

Temp: -1.3°C – 8.8°C

Rain: 13mm

Sunshine: 6.4h/day

Visit score: 4.5/10

Mar

Temp: 4.9°C – 18°C

Rain: 33mm

Sunshine: 8.3h/day

Visit score: 6.5/10

Apr

Best

Temp: 11.7°C – 24.8°C

Rain: 53mm

Sunshine: 7.8h/day

Visit score: 9/10

May

Best

Temp: 15.9°C – 28.5°C

Rain: 60mm

Sunshine: 8h/day

Visit score: 9/10

Jun

Best

Temp: 20.1°C – 32.3°C

Rain: 53mm

Sunshine: 8.4h/day

Visit score: 7.6/10

Jul

Temp: 23.5°C – 33.6°C

Rain: 130mm

Sunshine: 8.9h/day

Visit score: 6.7/10

Aug

Temp: 23.2°C – 33°C

Rain: 75mm

Sunshine: 9.5h/day

Visit score: 7.6/10

Sep

Best

Temp: 18.7°C – 27.5°C

Rain: 124mm

Sunshine: 7.5h/day

Visit score: 8/10

Oct

Temp: 11.2°C – 19.6°C

Rain: 81mm

Sunshine: 5.7h/day

Visit score: 6.1/10

Nov

Temp: 4.5°C – 13.8°C

Rain: 24mm

Sunshine: 6.5h/day

Visit score: 6.1/10

Dec

Temp: -2°C – 7.5°C

Rain: 8mm

Sunshine: 7.3h/day

Visit score: 4.8/10

When to go, and when not to

The strongest months for visiting Xi'an are April, May, June, and September, which combine comfortable temperatures with good sunshine hours. April highs average 24.8 degrees Celsius, May reaches 28.5 degrees Celsius, June climbs to 32.3 degrees Celsius, and September settles back to 27.5 degrees Celsius, all paired with several hours of sunshine each day.

The wider peak season runs from April through September, but this stretch also includes the hottest and wettest conditions of the year: July highs reach 33.6 degrees Celsius alongside 130mm of rain, the highest monthly rainfall recorded. Travelers who prefer to avoid both heat and heavier rain might lean toward the edges of the best-months window, such as April or September, while those seeking lower costs and fewer crowds should consider the off-season months of January, February, or December, when highs stay between about 6.1 and 8.8 degrees Celsius.

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

More on Xi’an

  • Back to Xi’an
  • Best cities to visit in April
  • Best cities to visit in May
  • Best cities to visit in June
  • Best cities to visit in September

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.