Peak in July
Coolest in January
Heavy in September
Peak in dry season
Xi'an Monthly Weather Guide
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June
July
August
September
October
November
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Essential Travel Info for Xi'an
Currency
CNY
¥ Chinese yuan
Language
Chinese
Driving
Right side
Connect
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Safety
Moderate Safety
GPI: 2.01
Best Time to Visit Xi'an
Location, climate overview & historical trends
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📍 34.3416° N, 108.9398° E
Open in Google MapsXi'an is a prominent destination in China.
Located at 34.34°N latitude,Xi'an experiences a subtropical climate with distinct wet and dry seasons.
Based on 30 years of data, July is the warmest month (avg. 33°C), while January is the coolest. September sees the most rain (30% chance), making December the driest month.
Historical Climate Trend
30-Year Analysis+1.62°C
Total over 30 years
+0.54°C
Per decade
Linear regression analysis of historical maximum temperatures for Xi'an, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)March, April, May
Best months to visit
20°C
Avg High
Based on 30 years of NASA satellite data,Xi'an receives approximately 421mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
19.8°
2024 Avg
21.3°
2040 Proj
21.9°
+0.54°C
per decade (observed)
+0.36°C
per decade (CMIP6)
🌡️ Xi'an has warmed by +1.6°C since 1995. By 2040, an additional +0.6°C is projected (based on CMIP6 rate of 0.361°C/decade), for a total of +2.2°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for Xi'an
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
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Aug
Low
Apr
Monthly Traffic Distribution
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Health & Safety Advisory
CDC travel health recommendations
COVID-19
All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.
Chikungunya
There is anoutbreak of chikungunyain Guangdong Province, China.Chikungunya vaccinationis recommended for people traveling to an area with a chikungunya outbreak.
Hepatitis A
Recommended for unvaccinated travelers one year old or older going to China.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.
Hepatitis B
Recommended for unvaccinated travelers of all ages traveling to China.
Japanese Encephalitis
Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.
Measles
Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.
+4 more
Source: CDC Travelers' Health
View Complete Health GuideXi'an Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 6°C | 5% | Neutral |
| February | 10°C | 8% | Neutral |
| March | 17°C | 10% | 😊 Pleasant |
| April | 23°C | 15% | ✨ Perfect |
| May | 27°C | 19% | ✨ Perfect |
| June | 32°C | 19% | 🔥 Hot |
| July | 33°C | 27% | 🔥 Hot |
| August | 31°C | 26% | 🔥 Hot |
| September | 26°C | 30% | 😊 Pleasant |
| October | 19°C | 23% | 😊 Pleasant |
| November | 13°C | 14% | Neutral |
| December | 7°C | 5% | Neutral |
Weather in Cities Near Xi'an
Explore climate data for popular destinations within easy reach
Chongqing
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Zhangjiajie
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Beijing
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Compare weather conditions with nearby destinations for your trip planning
Compare Xi'an Weather vs Popular Destinations
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These destinations share similar weather patterns with Xi'an. Perfect alternatives if you're looking for the same climate in a different location.
Xi'an Weather FAQ
When is the best time to visit Xi'an?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, March, April, May are usually great choices.
When is the hottest month in Xi'an?
July is historically the hottest month in Xi'an with average highs of 33°C.
When does it rain the most in Xi'an?
September typically sees the highest probability of rain (30%).
Is Xi'an expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.