Oranjestad, Aruba UV Index in May
The average UV index in Oranjestad, Aruba in May is about 9.1 (Very High), peaking near 11.1 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 Oranjestad, Aruba in May?
Average UV
9.1
Very High
Midday Peak
11.1
Clear-sky estimate
Fair Skin Burn Time
10 min
Type II, no sunscreen
How long can you stay in the sun in Oranjestad, Aruba in May?
| 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 | 16 min | up to 240 min |
| Type 4 | 26 min | up to 240 min |
| Type 5 | 40 min | up to 240 min |
| Type 6 | 59 min | up to 240 min |
Estimates based on Oranjestad, Aruba's latitude and typical May 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 Oranjestad, Aruba?
Highest: April (about 9.1). Lowest: December (about 8).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 8.1 | 9.9 | Very High | 11 min |
| February | 8.5 | 10.4 | Very High | 11 min |
| March | 8.9 | 10.9 | Very High | 10 min |
| April | 9.1 | 11.1 | Very High | 10 min |
| May | 9.1 | 11.1 | Very High | 10 min |
| June | 9 | 11 | Very High | 10 min |
| July | 9 | 11 | Very High | 10 min |
| August | 9.1 | 11.1 | Very High | 10 min |
| September | 9 | 11 | Very High | 10 min |
| October | 8.7 | 10.6 | Very High | 10 min |
| November | 8.3 | 10.1 | Very High | 11 min |
| December | 8 | 9.8 | Very High | 11 min |
Common questions about UV in Oranjestad, Aruba in May
Do you need sunscreen in Oranjestad, Aruba in May?
Yes. A UV index of 9.1 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Oranjestad, Aruba in May?
Yes, UV of 9.1 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 Oranjestad, Aruba?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 11.1 in May. Mornings and late afternoons are safest.
Is May a good month to visit Oranjestad, Aruba for the sun?
May averages UV 9.1, compared with a yearly high of 9.1 in April and a low of 8 in December. Darker skin (Type VI) can burn in about 59 minutes at this level.