Punta Arenas, Chile UV Index in August
The average UV index in Punta Arenas, Chile in August is about 5.1 (Moderate), peaking near 10.2 at midday on clear days. Fair skin (Type II) can burn in roughly 18 minutes without sunscreen. Wear SPF 30+ sunscreen if you are outside for more than an hour, especially near water or sand.
What is the UV index in Punta Arenas, Chile in August?
Average UV
5.1
Moderate
Midday Peak
10.2
Clear-sky estimate
Fair Skin Burn Time
18 min
Type II, no sunscreen
How long can you stay in the sun in Punta Arenas, Chile in August?
| Skin type | Time to first burn | With SPF 30 |
|---|---|---|
| Type 1 | 12 min | up to 240 min |
| Type 2 | 18 min | up to 240 min |
| Type 3 | 29 min | up to 240 min |
| Type 4 | 47 min | up to 240 min |
| Type 5 | 71 min | up to 240 min |
| Type 6 | 106 min | up to 240 min |
Estimates based on Punta Arenas, Chile's latitude and typical August 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.
Punta Arenas, Chile UV Index by Month
When is the UV index highest and lowest in Punta Arenas, Chile?
Highest: December (about 8.3). Lowest: June (about 3.8).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 8.2 | 12 | Very High | 11 min |
| February | 7.7 | 12 | High | 12 min |
| March | 6.9 | 12 | High | 13 min |
| April | 5.7 | 11.4 | Moderate | 16 min |
| May | 4.5 | 9 | Moderate | 20 min |
| June | 3.8 | 7.6 | Moderate | 24 min |
| July | 4 | 8 | Moderate | 23 min |
| August | 5.1 | 10.2 | Moderate | 18 min |
| September | 6.4 | 12 | High | 14 min |
| October | 7.4 | 12 | High | 12 min |
| November | 8 | 12 | Very High | 11 min |
| December | 8.3 | 12 | Very High | 11 min |
Common questions about UV in Punta Arenas, Chile in August
Do you need sunscreen in Punta Arenas, Chile in August?
Yes. A UV index of 5.1 is Moderate, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Punta Arenas, Chile in August?
Yes, UV of 5.1 is strong enough to tan. Fair skin can burn in about 18 minutes, so build exposure slowly and use sunscreen.
What time of day is UV strongest in Punta Arenas, Chile?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 10.2 in August. Mornings and late afternoons are safest.
Is August a good month to visit Punta Arenas, Chile for the sun?
August averages UV 5.1, compared with a yearly high of 8.3 in December and a low of 3.8 in June. Darker skin (Type VI) can burn in about 106 minutes at this level.