UV Index in San Antonio

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
0
Low
UV Index
🌡️
24°C
Temperature
☀️
Clear sky
Conditions
☀️
Peak Tanning Window 2PM • UV 8

Hourly UV Forecast

☀️ Excellent tanning conditions • 11AM–6PM • 28°C • 6 km/h 🌬️
0
6AM
0
7AM
1
8AM
2
9AM
4
10AM
5
11AM
7
12PM
8
1PM
8
2PM
7
3PM
5
4PM
4
5PM
3
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
Excellent
8
Tue 2
Excellent
7
Wed 3
Excellent
6
Thu 4
Excellent
8
Fri 5
Excellent
8
Sat 6
Excellent
5
Sun 7
Excellent
8
Mon 8
Excellent
8
Tue 9
Excellent
8
Wed 10
Excellent
8
Thu 11
Excellent
8
Fri 12
Excellent
8
Sat 13
Excellent
7
Sun 14
Excellent
8
Mon 15
Excellent
0
Tue 16
Excellent

Location & Climate

San Antonio basks in intense, year-round sunshine with the highest UV index in the country, making tanning possible every month. Seek out the wide-open spaces of a local park like Phil Hardberger Park during the late morning or early afternoon for maximum tanning potential.

Tanning Tips

San Antonio enjoys strong UV from spring through fall. Peak tanning season runs March to November, with UV often exceeding 8.

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in San Antonio

Average daily maximum UV index by month

Jan
6
Feb
6
Mar
7
Apr
9
May
10
Jun
11
Jul
11
Aug
11
Sep
10
Oct
9
Nov
7
Dec
6
Low Moderate High Very High Extreme

Best Months to Tan in San Antonio

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

March Great April Excellent May Excellent June Excellent July Excellent August Excellent September Excellent October Excellent November 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 San Antonio right now?
The current UV index in San Antonio 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 San Antonio?
The best months for tanning in San Antonio are March, April, May, June, July, August, September, October, November, when average UV levels reach 7 or higher.
How long should I tan in San Antonio?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 9, a person with Skin Type III (medium complexion) can safely tan for about 17 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 11?
UV index 11 is classified as Extreme. Extreme — stay in shade during peak hours. Tanning is not recommended without strong protection.
When is the peak UV time in San Antonio?
UV levels in San Antonio 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

11
New Braunfels
Avg. Peak UV
› 11
Canyon Lake
Avg. Peak UV
› 11
Wimberley
Avg. Peak UV
› 11
San Marcos
Avg. Peak UV
› 10
Dripping Springs
Avg. Peak UV
› 10
Fredericksburg
Avg. Peak UV
›

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