Yao, Japan UV Index in June
The average UV index in Yao, Japan in June is about 9 (Very High), peaking near 12 at midday on clear days. Fair skin (Type II) can burn in roughly 10 minutes without sunscreen. SPF 50+ sunscreen, protective clothing, hat and sunglasses. Minimise midday sun exposure.
What is the UV index in Yao, Japan in June?
Average UV
9
Very High
Midday Peak
12
Clear-sky estimate
Fair Skin Burn Time
10 min
Type II, no sunscreen
How long can you stay in the sun in Yao, Japan in June?
| Skin type | Time to first burn | With SPF 30 |
|---|---|---|
| Type 1 | 7 min | up to 210 min |
| Type 2 | 10 min | up to 240 min |
| Type 3 | 17 min | up to 240 min |
| Type 4 | 27 min | up to 240 min |
| Type 5 | 40 min | up to 240 min |
| Type 6 | 60 min | up to 240 min |
Estimates based on Yao, Japan's latitude and typical June sun angle. Cloud cover, altitude and reflection from water or sand can raise or lower the real UV. Check the live forecast before long days outside.
When is the UV index highest and lowest in Yao, Japan?
Highest: March (about 9.3). Lowest: December (about 8.7).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 8.8 | 11.7 | Very High | 10 min |
| February | 9.1 | 12 | Very High | 10 min |
| March | 9.3 | 12 | Very High | 10 min |
| April | 9.3 | 12 | Very High | 10 min |
| May | 9.1 | 12 | Very High | 10 min |
| June | 9 | 12 | Very High | 10 min |
| July | 9 | 12 | Very High | 10 min |
| August | 9.2 | 12 | Very High | 10 min |
| September | 9.3 | 12 | Very High | 10 min |
| October | 9.2 | 12 | Very High | 10 min |
| November | 8.9 | 11.9 | Very High | 10 min |
| December | 8.7 | 11.6 | Very High | 10 min |
Common questions about UV in Yao, Japan in June
Do you need sunscreen in Yao, Japan in June?
Yes. A UV index of 9 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Yao, Japan in June?
Yes, UV of 9 is strong enough to tan. Fair skin can burn in about 10 minutes, so build exposure slowly and use sunscreen.
What time of day is UV strongest in Yao, Japan?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 12 in June. Mornings and late afternoons are safest.
Is June a good month to visit Yao, Japan for the sun?
June averages UV 9, compared with a yearly high of 9.3 in March and a low of 8.7 in December. Darker skin (Type VI) can burn in about 60 minutes at this level.