UV index in Hartley Wintney today

Hartley Wintney is an inland England place at 51.3°N. Typical summer peaks of 8–10 (very high) arrive whether the day feels scorching or merely mild. This is cool-temperate Britain: 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 Hartley Wintney

Peak UV, temperature and conditions for Hartley Wintney. 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 Hartley Wintney can still sit at protection levels. Why you burn on cloudy days.

When Hartley Wintney needs sun protection

Sun protection is needed in Hartley Wintney typically from May through September, and any clear spring or fall day UV reaches 3. 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 Hartley Wintney need sun protection?
Whenever the UV index is 3 or above. In Hartley Wintney that is typically from May through September, and any clear spring or fall day UV reaches 3. The UK Health Security Agency and WHO use the same UV Index scale worldwide.
Does Hartley Wintney need sun protection in winter?
Not every day. Midwinter middays in Hartley Wintney 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 Hartley Wintney?
Yes. UV is not heat. A cool, windy or lightly cloudy day in Hartley Wintney 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.

Live UV nearby