When does McMahan need sun protection?

Whenever the UV index is 3 or above. In McMahan that is most of the year, including many winter middays. The EPA Sun Safety action steps apply at the same threshold used worldwide.

Does McMahan need sun protection in winter?

Usually yes. At 29.9°N, winter middays in McMahan still commonly reach UV 3 or higher. Check today's live reading on this page before a long lunch outside.

Can you burn on a cool day in McMahan?

Yes. UV is not heat. A cool, windy or lightly cloudy day in McMahan can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.

UV index in McMahan today

Inland McMahan (TX) is 29.9° south. Without sea haze, January UV commonly runs 10–12 (very high to extreme), and a cool morning is no reason to skip sunscreen. This is subtropical sun: protection weather for much of the year, with winter middays that still often reach 3 or more.

Live reading · data by Open-Meteo · reference monitoring by ARPANSA

Today and tomorrow in McMahan

Peak UV, temperature and conditions for McMahan. Tomorrow’s peak is the number to plan around if you’re heading out in the middle of the day.

Weather conditions right now

Cloud and rain cut heat more than they cut UV. A partly cloudy day in McMahan can still sit at protection levels. Why you burn on cloudy days.

When McMahan needs sun protection

Sun protection is needed in McMahan most of the year, including many winter middays. Inland heat or a cool change does not change the UV index; go by the number, not how the day feels.

The threshold, per SunSmart and ARPANSA: whenever UV reaches 3 or above, Slip on covering clothing, Slop on SPF 50+ sunscreen, Slap on a hat, Seek shade and Slide on sunglasses. Read the full sun safety guide.

The UV scale at a glance

0–2Low
3–5Moderate
6–7High
8–10Very high
11+Extreme

Frequently asked questions

When does McMahan need sun protection?: Whenever the UV index is 3 or above. In McMahan that is most of the year, including many winter middays. The EPA Sun Safety action steps apply at the same threshold used worldwide.
Does McMahan need sun protection in winter?: Usually yes. At 29.9°N, winter middays in McMahan still commonly reach UV 3 or higher. Check today's live reading on this page before a long lunch outside.
Can you burn on a cool day in McMahan?: Yes. UV is not heat. A cool, windy or lightly cloudy day in McMahan can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.