UV index in Massena Springs today
Mountain Massena Springs (NY) is 44.9° 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 Massena Springs
Peak UV, temperature and conditions for Massena 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 Massena Springs can still sit at protection levels. Why you burn on cloudy days.
When Massena Springs needs sun protection
Sun protection is needed in Massena 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 Massena Springs need sun protection?
- Whenever the UV index is 3 or above. In Massena 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 Massena Springs need sun protection in winter?
- Not every day. Midwinter middays in Massena 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 Massena Springs?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Massena 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.