UV index in Campbell Hot Springs today
Mountain Campbell Hot Springs (CA) is 39.6° south. Altitude lifts the UV dose, and typical January peaks of 8–10 (very high) arrive on days that still feel crisp. This is cool-temperate America: summer UV still climbs into the very high band, and spring arrives before the weather feels hot.
Live reading · data by Open-Meteo · reference monitoring by ARPANSA
Today and tomorrow in Campbell Hot Springs
Peak UV, temperature and conditions for Campbell Hot Springs. 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 high-country day in Campbell Hot Springs can still sit at protection levels. Why you burn on cloudy days.
When Campbell Hot Springs needs sun protection
Sun protection is needed in Campbell Hot Springs typically from May through September, and any clear spring or fall day UV reaches 3. Altitude lets more UV through; a cool lookout is still protection weather when the index is 3 or above.
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 Campbell Hot Springs need sun protection?
- Whenever the UV index is 3 or above. In Campbell Hot Springs that is typically from May through September, and any clear spring or fall day UV reaches 3. The EPA Sun Safety action steps apply at the same threshold used worldwide.
- Does Campbell Hot Springs need sun protection in winter?
- Not every day. Midwinter middays in Campbell Hot Springs often sit below UV 3, but clear late-winter and early-spring days cross the threshold before summer fully arrives. Check the live index.
- Can you burn on a cool day in Campbell Hot Springs?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Campbell Hot Springs 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.