UV index in Mortimer Common today
Inland Mortimer Common (ENG) is at 51.4°N. Without sea haze, July UV commonly runs 8–10 (very high), and a cool morning is no reason to skip sunscreen. 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 Mortimer Common
Peak UV, temperature and conditions for Mortimer Common. 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 Mortimer Common can still sit at protection levels. Why you burn on cloudy days.
When Mortimer Common needs sun protection
Sun protection is needed in Mortimer Common 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 Mortimer Common need sun protection?
- Whenever the UV index is 3 or above. In Mortimer Common 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 Mortimer Common need sun protection in winter?
- Not every day. Midwinter middays in Mortimer Common 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 Mortimer Common?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Mortimer Common 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.