Monday, October 19, 2026 · China
Skin weather in Xi’an UV index & humidity today
What today’s weather in Xi’an does to your skin – based on current forecast data for UV, humidity and air quality.
Updated Oct 19, 2026, 4:10 PM local time
Today · Temperature12 to 17 °C
Low and high-
UV index
4.1
moderate
Peak UV index today: 4.1 – moderate.
From UV 3, the WHO recommends sun protection: sunscreen with SPF and shade around midday.
-
Humidity
50%indoors when heated
balanced
Outdoors 78% humidity – heat it to 21 °C and only around 50% is left indoors.
Balanced humidity – your usual routine works well.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
101EAQI
extremely poor
European Air Quality Index up to 101 – extremely poor. Fine dust (PM2.5) averages 76.9 µg/m³.
Fine dust settles on the skin – cleanse thoroughly but gently in the evening.
Tomorrow
- 13 to 17 °C
- UV 3.6 · moderate
- 72% · humid
- Air quality: extremely poor
Skin climate in Xi’an through the year
When the air in Xi’an is driest and when the sun is strongest – based on climate data from recent years.
- Indoor air in Xi’an is driest in January: heated to 21 °C, humidity indoors drops to around 17%.
- From November to March, the average daily temperature stays below 15 °C – the time when heating is usually on.
- From March to October, the midday sun climbs higher than 45° – your shadow is then shorter than you are. According to the WHO shadow rule, UV is then usually high.
- June brings the most sunshine, with around 302 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 244 h | 34° | 59% | 17% | 7.6 °C |
| Feb | 220 h | 42° | 62% | 21% | 10.3 °C |
| Mar | 262 h | 53° | 56% | 32% | 18.2 °C |
| Apr | 259 h | 65° | 56% | – | 23.7 °C |
| May | 299 h | 75° | 57% | – | 28.1 °C |
| Jun | 302 h | 79° | 60% | – | 32.2 °C |
| Jul | 296 h | 77° | 71% | – | 32.9 °C |
| Aug | 285 h | 70° | 72% | – | 32 °C |
| Sep | 225 h | 58° | 77% | – | 26.8 °C |
| Oct | 188 h | 46° | 79% | – | 19.4 °C |
| Nov | 210 h | 37° | 67% | 34% | 14.6 °C |
| Dec | 241 h | 32° | 59% | 18% | 8.5 °C |
Indoors when heated = humidity when outdoor air is warmed to 21 °C (only months with a daily average below 15 °C). Midday sun = sun angle in mid-month.
Frequently asked questions
What is the UV index in Xi’an today?
Today (October 19) the UV index in Xi’an reaches up to 4.1 – moderate. From UV 3, the WHO recommends sun protection: sunscreen with SPF and shade around midday.
How dry is the air in Xi’an today?
Outdoors 78% humidity – heat it to 21 °C and only around 50% is left indoors. Balanced humidity – your usual routine works well.
When is the air driest in Xi’an?
Indoor air in Xi’an is driest in January: heated to 21 °C, humidity indoors drops to around 17%. From November to March, the average daily temperature stays below 15 °C – the time when heating is usually on.
When is UV strongest in Xi’an?
From March to October, the midday sun climbs higher than 45° – your shadow is then shorter than you are. According to the WHO shadow rule, UV is then usually high. June brings the most sunshine, with around 302 hours.
Your skin weather, every morning.
Lumée reads UV, humidity, pollen and air quality for your location and turns them into skincare that fits this exact day.
Skin weather nearby
All cities →Data: WDTEC GmbH’s own weather servers – temperature, UV index and humidity from weather models, air quality and pollen from the Copernicus Atmosphere Monitoring Service (CAMS). Ratings: UV per WHO, air quality per European Air Quality Index, pollen per NAB. Skincare tips are general recommendations and do not replace medical advice.