UV index in Yonkerville today
Yonkerville is an inland Missouri suburb at 36.9°S. Typical summer peaks of 9–11 (very high to extreme) arrive whether the day feels scorching or merely mild. This is warm-temperate America: a long protection season from spring through fall, with clear winter days that can still burn.
Live reading · data by Open-Meteo · reference monitoring by ARPANSA
Today and tomorrow in Yonkerville
Peak UV, temperature and conditions for Yonkerville. 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 Yonkerville can still sit at protection levels. Why you burn on cloudy days.
When Yonkerville needs sun protection
Sun protection is needed in Yonkerville typically from April through October, and any other 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 Yonkerville need sun protection?
- Whenever the UV index is 3 or above. In Yonkerville that is typically from April through October, and any other day UV reaches 3. The EPA Sun Safety action steps apply at the same threshold used worldwide.
- Does Yonkerville need sun protection in winter?
- Not every day. Midwinter middays in Yonkerville 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 Yonkerville?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Yonkerville 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.