Monday, October 19, 2026 · Switzerland
Skin weather in St. Gallen UV index, humidity & pollen today
What today’s weather in St. Gallen does to your skin – based on current forecast data for UV, humidity, pollen and air quality.
Updated Oct 19, 2026, 10:10 AM local time
Today · Temperature8 to 13 °C
Low and high-
UV index
2.2
low
Peak UV index today: 2.2 – low.
Up to UV 2, the WHO says most people need no sun protection.
-
Humidity
47%indoors when heated
balanced
Outdoors 96% humidity – heat it to 21 °C and only around 47% is left indoors.
Balanced humidity – your usual routine works well.
-
Pollen
None
No significant pollen today.
-
Air quality
26EAQI
fair
European Air Quality Index up to 26 – fair. Fine dust (PM2.5) averages 12.6 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 8 to 13 °C
- UV 3.3 · moderate
- 48% · balanced
- Pollen: none
- Air quality: fair
Skin climate in St. Gallen through the year
When the air in St. Gallen is driest and when the sun is strongest – based on climate data from recent years.
- Indoor air in St. Gallen is driest in January: heated to 21 °C, humidity indoors drops to around 21%.
- From September to May, the average daily temperature stays below 15 °C – the time when heating is usually on.
- From April to August, 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.
- July brings the most sunshine, with around 345 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 151 h | 21° | 82% | 21% | 2.4 °C |
| Feb | 174 h | 29° | 79% | 24% | 4 °C |
| Mar | 244 h | 40° | 72% | 26% | 7.7 °C |
| Apr | 286 h | 52° | 71% | 30% | 12 °C |
| May | 303 h | 61° | 74% | 43% | 15.9 °C |
| Jun | 336 h | 66° | 71% | – | 19.9 °C |
| Jul | 345 h | 64° | 75% | – | 21.3 °C |
| Aug | 316 h | 56° | 77% | – | 21 °C |
| Sep | 262 h | 45° | 80% | 53% | 17.1 °C |
| Oct | 215 h | 33° | 83% | 42% | 13.6 °C |
| Nov | 157 h | 23° | 85% | 29% | 7.5 °C |
| Dec | 139 h | 19° | 85% | 23% | 3.5 °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 St. Gallen today?
Today (October 19) the UV index in St. Gallen reaches up to 2.2 – low. Up to UV 2, the WHO says most people need no sun protection.
How dry is the air in St. Gallen today?
Outdoors 96% humidity – heat it to 21 °C and only around 47% is left indoors. Balanced humidity – your usual routine works well.
How high is the pollen count in St. Gallen today?
No significant pollen today.
When is the air driest in St. Gallen?
Indoor air in St. Gallen is driest in January: heated to 21 °C, humidity indoors drops to around 21%. From September to May, the average daily temperature stays below 15 °C – the time when heating is usually on.
When is UV strongest in St. Gallen?
From April to August, 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. July brings the most sunshine, with around 345 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.