Question 1

What is the UV index in London right now?

Accepted Answer

The UV index in London, Ontario is 4.5 — categorised as Moderate. A hat and SPF 30 are enough for most people.

Question 2

Is it safe to go outside in London today?

Accepted Answer

Yes — UV is moderate (4.5) in London right now. A hat and SPF 30 are enough for most people.

Question 3

How long does it take to get sunburn in London?

Accepted Answer

Average unprotected skin starts to burn in roughly 44 min at the current UV index of 4.5 in London. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.

Question 4

What does the heat feel like in London today?

Accepted Answer

Air temperature is 25°C with 32% humidity, giving a "feels like" reading of 25°C — comfortable.

Question 5

When is the safest time to step outside in London?

Accepted Answer

UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in London, especially through summer.

Hat & SPF.

Questions about London today

Hat & SPF.

Questions about London today