Monday, October 19, 2026 · United Kingdom
Skin weather in Belfast UV index, humidity & pollen today
What today’s weather in Belfast does to your skin – based on current forecast data for UV, humidity, pollen and air quality.
Updated Oct 19, 2026, 9:10 AM local time
Today · Temperature7 to 13 °C
Low and high-
UV index
1.6
low
Peak UV index today: 1.6 – low.
Up to UV 2, the WHO says most people need no sun protection.
-
Humidity
40%indoors when heated
balanced
Outdoors 78% humidity – heat it to 21 °C and only around 40% is left indoors.
Balanced humidity – your usual routine works well.
-
Pollen
None
No significant pollen today.
-
Air quality
25EAQI
fair
European Air Quality Index up to 25 – fair. Fine dust (PM2.5) averages 4.3 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 8 to 14 °C
- UV 0.6 · low
- 38% · dry
- Pollen: none
- Air quality: fair
Skin climate in Belfast through the year
When the air in Belfast is driest and when the sun is strongest – based on climate data from recent years.
- Indoor air in Belfast is driest in January: heated to 21 °C, humidity indoors drops to around 32%.
- From September to June, the average daily temperature stays below 15 °C – the time when heating is usually on.
- From May 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.
- May brings the most sunshine, with around 323 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 128 h | 14° | 86% | 32% | 7.8 °C |
| Feb | 128 h | 22° | 83% | 34% | 9.2 °C |
| Mar | 206 h | 33° | 81% | 35% | 10.4 °C |
| Apr | 274 h | 45° | 78% | 36% | 12 °C |
| May | 323 h | 54° | 79% | 45% | 15.2 °C |
| Jun | 318 h | 59° | 78% | 52% | 17.5 °C |
| Jul | 298 h | 57° | 81% | – | 18.7 °C |
| Aug | 289 h | 49° | 81% | – | 18.7 °C |
| Sep | 218 h | 38° | 83% | 55% | 16.8 °C |
| Oct | 148 h | 26° | 85% | 49% | 14.2 °C |
| Nov | 121 h | 16° | 86% | 40% | 11 °C |
| Dec | 86 h | 12° | 87% | 36% | 9.1 °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 Belfast today?
Today (October 19) the UV index in Belfast reaches up to 1.6 – low. Up to UV 2, the WHO says most people need no sun protection.
How dry is the air in Belfast today?
Outdoors 78% humidity – heat it to 21 °C and only around 40% is left indoors. Balanced humidity – your usual routine works well.
How high is the pollen count in Belfast today?
No significant pollen today.
When is the air driest in Belfast?
Indoor air in Belfast is driest in January: heated to 21 °C, humidity indoors drops to around 32%. From September to June, the average daily temperature stays below 15 °C – the time when heating is usually on.
When is UV strongest in Belfast?
From May 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. May brings the most sunshine, with around 323 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.