UV index in Dover today

Dover (DE) is an urban UV pocket at 39.2°S. Office-to-café stretches add up, and typical summer peaks of 8–10 (very high) hit the same skin that feels 'just popping out'. 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 Dover

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

When Dover needs sun protection

Sun protection is needed in Dover typically from May through September, and any clear spring or fall day UV reaches 3. A shaded laneway is not a shaded day: step into a plaza or the commute and the index is the one on this page.

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 Dover need sun protection?
Whenever the UV index is 3 or above. In Dover 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 Dover need sun protection in winter?
Not every day. Midwinter middays in Dover 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 city shade protect you from UV in Dover?
Only while you stay in it. Buildings cut some sky, but plazas, crossings and glass bounce UV onto uncovered skin. The live index on this page is the open-sky reading. Treat lunch outside as full-sun time whenever it is 3 or above.

Live UV nearby