UV Index in Cascais

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
0
Low
UV Index
🌡️
17°C
Temperature
⛅
Partly cloudy
Conditions
☀️
Peak Tanning Window 1PM • UV 8

Hourly UV Forecast

☀️ Good tanning conditions • 11AM–6PM • 20°C • 22 km/h 🌬️
0
6AM
0
NOW
1
8AM
2
9AM
4
10AM
5
11AM
7
12PM
8
1PM
8
2PM
7
3PM
6
4PM
5
5PM
4
6PM
2
7PM
1
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

16-Day UV Forecast

8
Mon 1
Good
8
Tue 2
Good
8
Wed 3
Good
8
Thu 4
Good
8
Fri 5
Good
7
Sat 6
Excellent
7
Sun 7
Excellent
8
Mon 8
Excellent
7
Tue 9
Good
7
Wed 10
Good
7
Thu 11
Good
7
Fri 12
Good
7
Sat 13
Good
7
Sun 14
Excellent
8
Mon 15
Excellent
8
Tue 16
Excellent

Location & Climate

Cascais enjoys a pleasant Atlantic climate with high UV levels during its long tanning season. The beaches here, like Guincho, are perfect for tanning, but be mindful of the occasional strong sea breeze which can make the sun feel less intense.

Tanning Tips

Cascais has a distinct tanning season from April to September. Winter UV is too low for effective tanning.

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Cascais

Average daily maximum UV index by month

Jan
2
Feb
3
Mar
5
Apr
7
May
8
Jun
9
Jul
10
Aug
9
Sep
7
Oct
4
Nov
3
Dec
2
Low Moderate High Very High Extreme

Best Months to Tan in Cascais

Based on average UV levels, the best months for tanning in Cascais are:

April Great May Great June Excellent July Excellent August Excellent September Great

Rating based on average monthly UV index

Related Guides

Tanning in UV 9-10+ → Aggressive Tanning — What to Know → Safe Tanning Tips → Melanin-Boosting Foods → Best Time of Day to Tan →

Tanning Tools & Calculators

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Tanning Time Calculator

Calculate your ideal tanning time based on skin type and UV index

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Sunburn Calculator

Find out how long until you burn based on your skin type and current UV

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Skin Type Quiz

Discover your Fitzpatrick skin type and get personalized tanning advice

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Tanning Routine Creator

Build a personalized tanning plan based on your skin, UV, and experience

Frequently Asked Questions

What is the UV index in Cascais right now?
The current UV index in Cascais is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.
What is the best month to tan in Cascais?
The best months for tanning in Cascais are April, May, June, July, August, September, when average UV levels reach 7 or higher.
How long should I tan in Cascais?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 8, a person with Skin Type III (medium complexion) can safely tan for about 19 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 10?
UV index 10 is classified as Very High. Very High — avoid prolonged sun exposure. Short tanning sessions with SPF 50+ recommended.
When is the peak UV time in Cascais?
UV levels in Cascais typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

UV Index in Nearby Cities

9
Sintra
Avg. Peak UV
› 9
Costa da Caparica
Avg. Peak UV
› 9
Ericeira
Avg. Peak UV
› 10
Lisbon
Avg. Peak UV
› 9
Sesimbra
Avg. Peak UV
› 9
Setubal
Avg. Peak UV
›

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