Does Balboa Island need sun protection in winter?

Not every day. Midwinter middays in Balboa Island often sit below UV 3, but clear late-winter and early-spring days cross the threshold before summer fully arrives. Check the live index.

Does the water make UV worse in Balboa Island?

It can. Sand and water reflect ultraviolet, so skin that is not covered (including under the chin and on the tops of feet) picks up extra dose on top of the direct sun. The live UV index on this page is the sky reading; reflection is on top of that.

UV index in Balboa Island today

Balboa Island is an island community in California at 33.6°S, with water on more than one side and little inland shade. Summer middays typically reach 10–12 (very high to extreme), and glare comes off the sea from every direction. This is warm-temperate America: a long protection season from spring through fall, with clear winter days that can still burn.

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

Today and tomorrow in Balboa Island

Peak UV, temperature and conditions for Balboa Island. 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 island day in Balboa Island can still sit at protection levels. Why you burn on cloudy days.

When Balboa Island needs sun protection

Sun protection is needed in Balboa Island typically from April through October, and any other day UV reaches 3. With water on more than one side, reflection is the default, not a beach-only problem.

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 Balboa Island need sun protection?: Whenever the UV index is 3 or above. In Balboa Island that is typically from April through October, and any other day UV reaches 3. The EPA Sun Safety action steps apply at the same threshold used worldwide.
Does Balboa Island need sun protection in winter?: Not every day. Midwinter middays in Balboa Island often sit below UV 3, but clear late-winter and early-spring days cross the threshold before summer fully arrives. Check the live index.
Does the water make UV worse in Balboa Island?: It can. Sand and water reflect ultraviolet, so skin that is not covered (including under the chin and on the tops of feet) picks up extra dose on top of the direct sun. The live UV index on this page is the sky reading; reflection is on top of that.