Monday, October 19, 2026 · Brazil
Skin weather in Rio de Janeiro UV index & humidity today
What today’s weather in Rio de Janeiro 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 · Temperature21 to 25 °C
Low and high-
UV index
2.1
low
Peak UV index today: 2.1 – low.
Up to UV 2, the WHO says most people need no sun protection.
-
Humidity
71%outdoors
humid
Average humidity today: 71%.
Humid air – lighter textures often feel more comfortable today.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
31EAQI
fair
European Air Quality Index up to 31 – fair. Fine dust (PM2.5) averages 14.9 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 21 to 25 °C
- UV 7.7 · very high
- 72% · humid
- Air quality: moderate
Skin climate in Rio de Janeiro through the year
When the air in Rio de Janeiro is driest and when the sun is strongest – based on climate data from recent years.
- In Rio de Janeiro the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 75% and 82%.
- From July 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.
- March brings the most sunshine, with around 310 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 293 h | 88° | 79% | – | 31.9 °C |
| Feb | 288 h | 80° | 79% | – | 32.4 °C |
| Mar | 310 h | 70° | 78% | – | 32.2 °C |
| Apr | 275 h | 58° | 82% | – | 29.1 °C |
| May | 278 h | 48° | 81% | – | 27.9 °C |
| Jun | 260 h | 44° | 80% | – | 27 °C |
| Jul | 275 h | 46° | 79% | – | 26.3 °C |
| Aug | 267 h | 53° | 77% | – | 27.3 °C |
| Sep | 274 h | 65° | 75% | – | 29 °C |
| Oct | 239 h | 77° | 80% | – | 28.4 °C |
| Nov | 281 h | 86° | 78% | – | 29.2 °C |
| Dec | 301 h | 90° | 79% | – | 30.8 °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 Rio de Janeiro today?
Today (October 19) the UV index in Rio de Janeiro reaches up to 2.1 – low. Up to UV 2, the WHO says most people need no sun protection.
How dry is the air in Rio de Janeiro today?
Average humidity today: 71%. Humid air – lighter textures often feel more comfortable today.
When is the air driest in Rio de Janeiro?
In Rio de Janeiro the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 75% and 82%.
When is UV strongest in Rio de Janeiro?
From July 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. March 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.