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Xi'an in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Xi'an in May will be like? Take a look at our weather guide for Xi'an, based on historical data.
Check flight prices to Xi'an on Avionero:
May

Weather in Xi'an in May 2026

Good Weather
Warm
☁️
Cloudy
Planning a trip to Xi'an in May? You are in luck! The weather is generally good, with an average maximum temperature of +82°F and approximately 4 sunny days. Just be prepared for some rain, as there are usually around 12 rainy days and 77 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+82°F
Avg. max. temperature
+43°F
Min.
+102°F
Max.
77 mm
Total precipitation
61%
Avg. humidity
1 m/s
Avg. wind
4 ☀️
Sunny Days
15 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Xi'an has good weather in May.

Average temperature in Xi'an in May

Here are the expected maximum, average and minimum temperatures in Xi'an for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +91°F during the day to a minimum of +50°F during the night, the temperature in May averages around +75°F.

The average maximum temperature goes down 30% by the end of the month, compared with the beginning of the month, from +84°F to +72°F.

Is Xi'an warm or cold in May?

Xi'an is typically warm in May.

Maximum temperatures go up compared to the previous month from +73°F to +82°F. The minimum temperature also goes up from +52°F to +61°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how May is compared to other months in Xi'an:

Climate in Xi'an in May

Xi'an weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+73°F+82°F+90°F
Min. temperature
+28°F+43°F+55°F
Max. temperature
+99°F+102°F+108°F
Rainfall
52 mm77 mm92 mm
Wind
1 m/s1 m/s1 m/s
Humidity
59%61%62%
Air pressure
1012 HPa1008 HPa1003 HPa
Sunny days
543
Cloudy days
141515
Rainy days
111212
Snowy days
000

May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +73°F to +82°F during the day. Prepare for more rain. Average rainfall goes from 52 mm to 77 mm. Humidity rises from 59% to 61%. The average wind speed doesn’t change much during May, staying around 1 m/s. The days becoming less sunny, going from 5 sunny days in April to 4 in May.

June brings much the same weather, it remains good.

Wind

Wind speed in Xi'an in May based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Xi'an is gradually increasing during May, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Xi'an based on historical data.
Last Year
Historical Data
Typically, there is a 52% chance of rain on an average day in May, with total rainfall of approximately 165 mm. The maximum amount of rainfall per day is around 19 mm, which is considered light rain. May is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Xi'an wettest month is July, where a typical day has a 52% chance of precipitation and 165 mm of rainfall per day. January, on the other hand, is the driest month with a mere 6% chance of precipitation and 6 mm of rainfall per day.

How was the weather last May in Xi'an?

This is the weather in Xi'an in May 2024:
1 May
☁️
+84°F
2 May
☁️
+85°F
3 May
🌧️
+69°F
4 May
☁️
+68°F
5 May
🌧️
+71°F
6 May
🌧️
+62°F
7 May
🌧️
+62°F
8 May
☁️
+72°F
9 May
🌧️
+60°F
10 May
☁️
+65°F
11 May
☁️
+79°F
12 May
☀️
+85°F
13 May
☀️
+88°F
14 May
☀️
+92°F
15 May
☁️
+91°F
16 May
☁️
+91°F
17 May
☁️
+88°F
18 May
☀️
+89°F
19 May
☀️
+91°F
20 May
☁️
+91°F
21 May
🌧️
+57°F
22 May
☁️
+71°F
23 May
☀️
+66°F
24 May
☁️
+79°F
25 May
☁️
+73°F
26 May
🌧️
+68°F
27 May
🌧️
+64°F
28 May
🌧️
+66°F
29 May
☁️
+69°F
30 May
☁️
+84°F
31 May
☁️
+72°F
In May 2024 Xi'an had 6 sunny days, 16 cloudy days, and 9 rainy days. The average maximum temperature was +75°F, with an absolute maximum of +91°F and a minimum of +57°F. The average humidity was 73%, with a maximum of 100% and a minimum of 29%. The average wind speed was 1 m/s, with a maximum of 4 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Xi'an climate has changed over the last 43 years.

The climate in Xi'an in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+66°F) and the highest in 2002 (+72°F). The driest year was 1997 with only 522 mm of rainfall, and the wettest year was 1983 with 1249 mm.

FAQ

Frequently asked questions about the weather in Xi'an in May:

Is May a good time to visit Xi'an?

May is a really good time to go to Xi'an. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Xi'an.

Can you sunbathe in Xi'an in May?

May is warm in Xi'an. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Xi'an rainy in May?

Xi'an is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Xi'an in May?

Usually, it’s not very sunny in Xi'an in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Xi'an

Source of the data

For this page, we’ve looked at the typical weather in Xi'an, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.