Monday, October 19, 2026 · Brazil
Skin weather in São Paulo UV index & humidity today
What today’s weather in São Paulo does to your skin – based on current forecast data for UV, humidity and air quality.
Updated Oct 19, 2026, 5:10 AM local time
Today · Temperature15 to 25 °C
Low and high-
UV index
7.2
high
Peak UV index today: 7.2 – high.
From UV 3, the WHO recommends sun protection: sunscreen with SPF and shade around midday.
-
Humidity
73%outdoors
humid
Average humidity today: 73%.
Humid air – lighter textures often feel more comfortable today.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
51EAQI
moderate
European Air Quality Index up to 51 – moderate. Fine dust (PM2.5) averages 11.1 µg/m³.
Fine dust settles on the skin – cleanse thoroughly but gently in the evening.
Tomorrow
- 14 to 24 °C
- UV 6.4 · high
- 76% · humid
- Air quality: poor
Skin climate in São Paulo through the year
When the air in São Paulo is driest and when the sun is strongest – based on climate data from recent years.
- In São Paulo the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 71% and 81%.
- From August to May, 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.
- December brings the most sunshine, with around 310 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 292 h | 88° | 81% | – | 27.7 °C |
| Feb | 275 h | 80° | 80% | – | 28.3 °C |
| Mar | 296 h | 69° | 80% | – | 28.4 °C |
| Apr | 267 h | 57° | 81% | – | 25.5 °C |
| May | 267 h | 48° | 77% | – | 24 °C |
| Jun | 246 h | 43° | 78% | – | 22.7 °C |
| Jul | 271 h | 45° | 74% | – | 22.7 °C |
| Aug | 269 h | 53° | 71% | – | 24.2 °C |
| Sep | 281 h | 64° | 72% | – | 26.5 °C |
| Oct | 255 h | 76° | 80% | – | 25.3 °C |
| Nov | 295 h | 86° | 77% | – | 26.2 °C |
| Dec | 310 h | 90° | 78% | – | 27.6 °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 São Paulo today?
Today (October 19) the UV index in São Paulo reaches up to 7.2 – high. From UV 3, the WHO recommends sun protection: sunscreen with SPF and shade around midday.
How dry is the air in São Paulo today?
Average humidity today: 73%. Humid air – lighter textures often feel more comfortable today.
When is the air driest in São Paulo?
In São Paulo the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 71% and 81%.
When is UV strongest in São Paulo?
From August to May, 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. December brings the most sunshine, with around 310 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.