Weather in Xi’an in July
China · 20-year averages, July
A hard month. July asks something of you. Go in knowing what. Daytime highs average 34.7 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.
July ranks 12 of 12 — near the bottom of Xi’an's year. March is the month that works, and the swing between the two is 51 points, which is a different holiday rather than a slightly better one.
Rain on 15 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.
What the averages hide
Averages flatten a month, and this one hides a few things: 15 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest July day reached 43.8 °C and the coldest night fell to 16.3 °C, and the wettest single day dropped 48 mm — roughly 39% of the month's rain in one day.
July is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest July on record still delivered 244 mm against 29 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 124 mm average is a reasonable planning figure, not a promise.
Wind is light at 5.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 61%.
How July sits in the year
This is a turning point in the year — June and August sit on opposite sides of it, so the month contains the change rather than following it. Rain has already shifted: 5 days more than June had.
Daylight in July
July is at or near the longest days of Xi’an's year: 14.2 hours of daylight, losing 0.5 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
With no coast nearby, the year swings a fair way — 37.4 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
July in Xi’an versus nearby
If Xi’an is one option among several, the nearby comparison is worth making. Wuzhong is a better bet in July — within a degree on temperature, 8 days less rain. Chongqing is close enough to be a coin toss — within a degree on temperature, 1 day more rain.
So: July is a compromise. March is 51 points better and is what Xi’an is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Xi’an
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 6.8 | -2.7 | 2 | 9 | 61 | 10.1 | 48 |
| February | 11.4 | -0.1 | 4 | 13 | 60 | 10.9 | 66 |
| March | 18.3 | 4.5 | 5 | 23 | 54 | 11.9 | 87 |
| April | 24.9 | 10.3 | 7 | 40 | 52 | 13 | 87 |
| May | 29.5 | 15.5 | 10 | 69 | 51 | 13.9 | 70 |
| June | 33.7 | 20.4 | 10 | 84 | 53 | 14.4 | 50 |
| July | 34.7 | 22.9 | 15 | 124 | 61 | 14.2 | 36 |
| August | 33.2 | 21.9 | 14 | 114 | 64 | 13.5 | 44 |
| September | 27.4 | 16.7 | 13 | 125 | 69 | 12.4 | 72 |
| October | 21.7 | 10.7 | 10 | 59 | 67 | 11.4 | 81 |
| November | 15 | 3.6 | 5 | 27 | 65 | 10.4 | 76 |
| December | 8.2 | -1.8 | 2 | 6 | 61 | 9.9 | 48 |
See all twelve months in Xi’an, or where else to go in July.
Planning the rest of the trip
- Flight time to Xi’an how long you are actually in the air
- Xi’an time zone and the difference from home
- Days until your trip count down to the departure date