Monday, October 19, 2026 · Australia
Skin weather in Perth UV index & humidity today
What today’s weather in Perth 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 · Temperature13 to 21 °C
Low and high-
UV index
8.1
very high
Peak UV index today: 8.1 – very high.
Very high UV: the WHO advises avoiding the midday sun and reapplying sun protection regularly.
-
Humidity
63%outdoors
humid
Average humidity today: 63%.
Humid air – lighter textures often feel more comfortable today.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
29EAQI
fair
European Air Quality Index up to 29 – fair. Fine dust (PM2.5) averages 12.8 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 10 to 22 °C
- UV 8.2 · very high
- 68% · humid
- Air quality: fair
Skin climate in Perth through the year
When the air in Perth is driest and when the sun is strongest – based on climate data from recent years.
- Indoor air in Perth is driest in July: heated to 21 °C, humidity indoors drops to around 50%.
- From June to August, the average daily temperature stays below 15 °C – the time when heating is usually on.
- From September to April, 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 405 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 398 h | 79° | 53% | – | 29.8 °C |
| Feb | 337 h | 71° | 55% | – | 29.5 °C |
| Mar | 331 h | 61° | 61% | – | 27.8 °C |
| Apr | 296 h | 49° | 64% | – | 24.3 °C |
| May | 269 h | 39° | 69% | – | 21.7 °C |
| Jun | 245 h | 35° | 77% | 52% | 17.9 °C |
| Jul | 252 h | 37° | 76% | 50% | 17.3 °C |
| Aug | 287 h | 44° | 75% | 50% | 17.7 °C |
| Sep | 313 h | 56° | 72% | – | 19.5 °C |
| Oct | 350 h | 68° | 68% | – | 20.9 °C |
| Nov | 373 h | 77° | 61% | – | 24.3 °C |
| Dec | 405 h | 81° | 55% | – | 27.8 °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 Perth today?
Today (October 19) the UV index in Perth reaches up to 8.1 – very high. Very high UV: the WHO advises avoiding the midday sun and reapplying sun protection regularly.
How dry is the air in Perth today?
Average humidity today: 63%. Humid air – lighter textures often feel more comfortable today.
When is the air driest in Perth?
Indoor air in Perth is driest in July: heated to 21 °C, humidity indoors drops to around 50%. From June to August, the average daily temperature stays below 15 °C – the time when heating is usually on.
When is UV strongest in Perth?
From September to April, 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 405 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.