Annual mean 15°C · wettest around July · prevailing wind E
Warmest
31.9 °C
Coldest
3.9 °C
Wettest
44%
Windiest
3.4 m/s
Prevailing
E
2.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Xi’an over the whole year is 15°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about -2°C. The rainy (wet) season in Xi’an runs from April to October, peaking in July with a 25% chance of rain on a given day. The dry season is November to March; December is the driest month, at 3%. Winds in Xi’an are highest in August, averaging 2.7 m/s (10 km/h), and lightest in January, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Xi’an come in December, when the sky is typically 54% covered; October is the cloudiest month, at 69%.
Month by month Xi’an climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
5°C
-2°C
-0°C
7%
61%
2.1 m/s
0
0
11
February
8°C
0°C
3°C
8%
57%
2.3 m/s
2
0
32
March
15°C
7°C
11°C
10%
59%
2.5 m/s
30
1
71
April
21°C
13°C
18°C
15%
61%
2.5 m/s
66
17
64
May
25°C
18°C
23°C
16%
67%
2.4 m/s
60
41
40
June
30°C
23°C
30°C
21%
67%
2.3 m/s
25
52
11
July
31°C
25°C
33°C
25%
63%
2.6 m/s
15
36
6
August
30°C
24°C
32°C
20%
62%
2.7 m/s
18
36
7
September
25°C
19°C
25°C
25%
68%
2.3 m/s
55
49
28
October
17°C
12°C
16°C
24%
69%
2.1 m/s
57
4
75
November
12°C
5°C
9°C
12%
58%
2.1 m/s
18
0
62
December
6°C
-1°C
1°C
3%
54%
2.1 m/s
0
0
18
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Xi’an weather by season
Year round, Xi’an has days of about 5°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from -2°C to 25°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around July and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Xi’an weather in winterDecember to February
High 6°CLow -1°CRain 6%
Winter in Xi’an has typical daily highs of about 6°C and lows of about -1°C, with a 6% chance of rain on a given day.
Xi’an weather in springMarch to May
High 20°CLow 13°CRain 14%
Spring in Xi’an has typical daily highs of about 20°C and lows of about 13°C, with a 14% chance of rain on a given day.
Xi’an weather in summerJune to August
High 30°CLow 24°CRain 22%
Summer in Xi’an has typical daily highs of about 30°C and lows of about 24°C, with a 22% chance of rain on a given day.
Xi’an weather in autumnSeptember to November
High 18°CLow 12°CRain 20%
Autumn in Xi’an has typical daily highs of about 18°C and lows of about 12°C, with a 20% chance of rain on a given day.
When is the rainy season in Xi’an?
The rainy (wet) season in Xi’an runs from April to October, peaking in July with a 25% chance of rain on a given day. The dry season is November to March; December is the driest month, at 3%.
What time of year is Xi’an windiest?
Winds in Xi’an are highest in August, averaging 2.7 m/s (10 km/h), and lightest in January, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Xi’an year round?
The average temperature in Xi’an over the whole year is 15°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about -2°C.