Xi'an Weather
Xi'an weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Mar, Apr, May, Sep, Oct and Nov.
Xi'an current weather
Xi'an now (local time 18:45)
17°C
Overcast
- Feels like
- 16°
- Humidity
- 55%
- Wind
- 1 km/h
Next 7 days · what to wear
9° – 25°C
Mostly dry all week
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Xi'an 14-day forecast
Today
10/4
☁️
19°
13°
💧2%
Mon
10/5
☁️
22°
9°
💧0%
Tue
10/6
⛅
24°
10°
💧0%
Wed
10/7
🌤️
25°
11°
💧0%
Thu
10/8
🌤️
24°
14°
💧2%
Fri
10/9
☁️
24°
15°
💧10%
Sat
10/10
☁️
20°
17°
💧15%
Sun
10/11
🌦️
22°
14°
💧61%
Mon
10/12
🌦️
19°
16°
💧43%
Tue
10/13
🌦️
22°
15°
💧33%
Wed
10/14
🌦️
22°
13°
💧12%
Thu
10/15
🌦️
22°
15°
💧27%
Fri
10/16
☁️
21°
12°
💧28%
Sat
10/17
⛅
21°
11°
💧28%
Best time to visit Xi'an
On temperature and rainfall, the most comfortable months in Xi'an are Mar, Apr, May, Sep, Oct and Nov. The hottest month is July (average high 35°C) and the coldest is January (average low -4°C).
Xi'an climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 6°C | -4°C | 9 mm | 61% | -15°C |
| Feb | 11°C | -1°C | 13 mm | 60% | -13°C |
| MarBest | 18°C | 4°C | 23 mm | 54% | -9°C |
| AprBest | 25°C | 10°C | 40 mm | 52% | -6°C |
| MayBest | 29°C | 15°C | 69 mm | 51% | -4°C |
| Jun | 34°C | 20°C | 84 mm | 53% | -2°C |
| Jul | 35°C | 23°C | 124 mm | 61% | 0°C |
| Aug | 33°C | 22°C | 114 mm | 64% | -2°C |
| SepBest | 27°C | 16°C | 125 mm | 69% | -7°C |
| OctBest | 21°C | 10°C | 60 mm | 67% | -10°C |
| NovBest | 14°C | 3°C | 27 mm | 65% | -14°C |
| Dec | 7°C | -3°C | 6 mm | 61% | -16°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Xi'an weather month by month: what to wear
Xi'an in OctoberBest monthThis month
October in Xi'an is pleasantly warm: average highs of 21°C and lows of 10°C, around 60 mm of rain (mostly dry) and 67% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Xi'an in NovemberBest month
November in Xi'an is chilly: average highs of 14°C and lows of 3°C, around 27 mm of rain (dry) and 65% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Xi'an in December
December in Xi'an is cold: average highs of 7°C and lows of -3°C, around 6 mm of rain (dry) and 61% humidity — about 16°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf; big day–night swing, so dress in layers.
Xi'an in January
January in Xi'an is cold: average highs of 6°C and lows of -4°C, around 9 mm of rain (dry) and 61% humidity — about 15°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf; big day–night swing, so dress in layers.
Xi'an in February
February in Xi'an is chilly: average highs of 11°C and lows of -1°C, around 13 mm of rain (dry) and 60% humidity — about 13°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Xi'an in MarchBest month
March in Xi'an is mild and cool: average highs of 18°C and lows of 4°C, around 23 mm of rain (dry) and 54% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Xi'an in AprilBest month
April in Xi'an is pleasantly warm: average highs of 25°C and lows of 10°C, around 40 mm of rain (mostly dry) and 52% humidity — about 6°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Xi'an in MayBest month
May in Xi'an is warm to hot: average highs of 29°C and lows of 15°C, around 69 mm of rain (mostly dry) and 51% humidity — about 4°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Xi'an in June
June in Xi'an is hot: average highs of 34°C and lows of 20°C, around 84 mm of rain (some rain) and 53% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Xi'an in July
July in Xi'an is hot: average highs of 35°C and lows of 23°C, around 124 mm of rain (some rain) and 61% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Xi'an in August
August in Xi'an is hot: average highs of 33°C and lows of 22°C, around 114 mm of rain (some rain) and 64% humidity — about 2°C colder than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Xi'an in SeptemberBest month
September in Xi'an is warm to hot: average highs of 27°C and lows of 16°C, around 125 mm of rain (some rain) and 69% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Xi'an?
On temperature and rainfall, the most comfortable months in Xi'an are Mar, Apr, May, Sep, Oct and Nov. The hottest month is July (average high 35°C) and the coldest is January (average low -4°C).
›What's the weather like in Xi'an in October, and what should I wear?
October in Xi'an is pleasantly warm: average highs of 21°C and lows of 10°C, around 60 mm of rain (mostly dry) and 67% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
›What's the weather like in Xi'an in November, and what should I wear?
November in Xi'an is chilly: average highs of 14°C and lows of 3°C, around 27 mm of rain (dry) and 65% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
›When is the rainy season in Xi'an?
Xi'an is wettest in September, with about 125 mm on average, and driest in December, with about 6 mm.
›How cold does Xi'an get? Does it snow?
The coldest month is January, averaging 6°C by day and -4°C at night. Nights regularly drop below freezing and snow is possible.
Planning a trip to Xi'an?
More Mainland China weather
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: July; coldest: January.