UV index in Grey Islands Harbour today
Grey Islands Harbour (NL) is a coastal place at 50.7°N. Clear-sky summer peaks are typically 8–10 (very high), and the same UV that burns on the sand is still there on a cool, windy day. This is cool-temperate Canada: 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 Grey Islands Harbour
Peak UV, temperature and conditions for Grey Islands Harbour. 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 beach day in Grey Islands Harbour can still sit at protection levels. Why you burn on cloudy days.
When Grey Islands Harbour needs sun protection
Sun protection is needed in Grey Islands Harbour typically from May through September, and any clear spring or fall day UV reaches 3. On the water or the sand, reflection can lift your dose even when the forecast UV already looks high.
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 Grey Islands Harbour need sun protection?
- Whenever the UV index is 3 or above. In Grey Islands Harbour that is typically from May through September, and any clear spring or fall day UV reaches 3. Health authorities use the same UV Index threshold worldwide.
- Does Grey Islands Harbour need sun protection in winter?
- Not every day. Midwinter middays in Grey Islands Harbour 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 Grey Islands Harbour?
- 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.