Does Charles River Village need sun protection in winter?

Not every day. Midwinter middays in Charles River Village 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 Charles River Village?

It can. The river 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.

UV index in Charles River Village today

Charles River Village is a Massachusetts river suburb at 42.3°S. Typical summer peaks of 8–10 (very high) do not ease just because you are under a river red gum's thin shade. 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 Charles River Village

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

When Charles River Village needs sun protection

Sun protection is needed in Charles River Village typically from May through September, and any clear spring or fall day UV reaches 3. Time on the river reflects UV back up, so banks and boats need the same cover as a beach day.

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 Charles River Village need sun protection?: Whenever the UV index is 3 or above. In Charles River Village 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 Charles River Village need sun protection in winter?: Not every day. Midwinter middays in Charles River Village 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 Charles River Village?: It can. The river 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.