Xi'an in Summer
In summer (June, July and August), Xi'an sees average daytime highs around 31°C and overnight lows near 22°C, with 366 mm of rain over about 29 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 33% of the time across summer, and the air most often feels muggy.
Summer is Xi'an's 3rd-best season to visit on our travel score. For the whole year in context, see Xi'an's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 366 mm
- 29 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Xi'an in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Xi'an reaches about 31°C and drops to 22°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Xi'an
Once humidity and wind are folded in, summer brings about 56 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Xi'an weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / -3° | 13 | 3.2 | 2.6 | 10 | 0.4 |
| Feb | 10° / 0° | 18 | 4.1 | 2 | 10.7 | 2.5 |
| Mar | 16° / 5° | 33 | 6 | 0.7 | 11.7 | 5.4 |
| Apr | 23° / 11° | 46 | 7 | 0.1 | 12.8 | 7.1 |
| May | 27° / 16° | 71 | 8.2 | 0 | 13.8 | 6.5 |
| Jun | 31° / 20° | 93 | 7.3 | 0 | 14.2 | 4.7 |
| Jul | 32° / 23° | 144 | 10.7 | 0 | 14.1 | 3.8 |
| Aug | 31° / 22° | 129 | 10.6 | 0 | 13.3 | 4.6 |
| Sep | 26° / 17° | 133 | 11.7 | 0 | 12.2 | 6.3 |
| Oct | 20° / 11° | 81 | 10 | 0 | 11.1 | 6.2 |
| Nov | 13° / 4° | 40 | 6.6 | 1.1 | 10.2 | 4.0 |
| Dec | 7° / -1° | 13 | 3.3 | 1.4 | 9.8 | 1.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 33% of the time across summer.
Chance of precipitation in Summer
Xi'an gets around 366 mm of rain over 29 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.4 kWh/m².
Hazard calendar for Xi'an
In summer, Xi'an overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Xi'an's rainy season runs May–October, when most of the year's rain falls.
Xi'an sees seasonal dust haze (April–May), heaviest in May.
Is summer a good time to visit Xi'an?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Xi'an for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Xi'an in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Xi'an sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 29 days see rain.
UV index in Xi'an in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Xi'an peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 6 | 8 | 10 | 10 | 7 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 7 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Xi'an in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Xi'an is worst in January — around 82 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 42 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Xi'an's WHO annual average of 63.1 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 82 | 77 | 75 | 67 | 59 | 49 | 43 | 42 | 53 | 65 | 72 | 74 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 82 | Unhealthy |
| Feb | 77 | Unhealthy |
| Mar | 75 | Unhealthy |
| Apr | 67 | Unhealthy |
| May | 59 | Unhealthy |
| Jun | 49 | Poor |
| Jul | 43 | Poor |
| Aug | 42 | Poor |
| Sep | 53 | Poor |
| Oct | 65 | Unhealthy |
| Nov | 72 | Unhealthy |
| Dec | 74 | Unhealthy |
Where is Xi'an?
Xi'an sits at 34.3°N, 108.9°E, 416 m above sea level, in China. The nearest listed city is Luoyang, 325 km away.
Topography around Xi'an
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Xi'an.
Within 3 km, the terrain around Xi'an has only modest variations in elevation — a maximum elevation change of 34 m around an average of 409 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,645 m.
The land around Xi'an is covered by artificial surfaces (91%) within 3 km, artificial surfaces (61%) within 16 km, and trees (42%) and cropland (41%) within 80 km.
China travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / I
- 220 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $13,862
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Homicide rate
- 0.5
- per 100k, 2020
- Road deaths
- 17.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 464
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Xi'an (34.2583°, 108.9286°, elevation 416 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.