Monday, October 19, 2026 · Mexico
Skin weather in Cancún UV index & humidity today
What today’s weather in Cancún does to your skin – based on current forecast data for UV, humidity and air quality.
Updated Oct 19, 2026, 3:10 AM local time
Today · Temperature25 to 28 °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
88%outdoors
humid
Average humidity today: 88%.
Humid air – lighter textures often feel more comfortable today.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
30EAQI
fair
European Air Quality Index up to 30 – fair. Fine dust (PM2.5) averages 3.1 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 26 to 29 °C
- UV 6.1 · high
- 83% · humid
- Air quality: fair
Skin climate in Cancún through the year
When the air in Cancún is driest and when the sun is strongest – based on climate data from recent years.
- In Cancún the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 75% and 84%.
- All year round the midday sun in Cancún climbs higher than 45° – your shadow is shorter than you are. According to the WHO shadow rule, UV is then usually high.
- May brings the most sunshine, with around 367 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 286 h | 48° | 79% | – | 26.4 °C |
| Feb | 276 h | 56° | 78% | – | 27 °C |
| Mar | 341 h | 66° | 76% | – | 28.2 °C |
| Apr | 345 h | 78° | 75% | – | 29.1 °C |
| May | 367 h | 88° | 78% | – | 30.4 °C |
| Jun | 323 h | 88° | 83% | – | 30.1 °C |
| Jul | 363 h | 90° | 82% | – | 30.8 °C |
| Aug | 352 h | 83° | 83% | – | 31 °C |
| Sep | 311 h | 71° | 84% | – | 30.4 °C |
| Oct | 305 h | 59° | 82% | – | 29.3 °C |
| Nov | 288 h | 50° | 81% | – | 27.9 °C |
| Dec | 283 h | 46° | 80% | – | 26.9 °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 Cancún today?
Today (October 19) the UV index in Cancún 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 Cancún today?
Average humidity today: 88%. Humid air – lighter textures often feel more comfortable today.
When is the air driest in Cancún?
In Cancún the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 75% and 84%.
When is UV strongest in Cancún?
All year round the midday sun in Cancún climbs higher than 45° – your shadow is shorter than you are. According to the WHO shadow rule, UV is then usually high. May brings the most sunshine, with around 367 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.