Colonia del Sacramento, Uruguay UV Index in January
The average UV index in Colonia del Sacramento, Uruguay in January is about 10 (Very High), peaking near 12 at midday on clear days. Fair skin (Type II) can burn in roughly 9 minutes without sunscreen. SPF 50+ sunscreen, protective clothing, hat and sunglasses. Minimise midday sun exposure.
What is the UV index in Colonia del Sacramento, Uruguay in January?
Average UV
10
Very High
Midday Peak
12
Clear-sky estimate
Fair Skin Burn Time
9 min
Type II, no sunscreen
How long can you stay in the sun in Colonia del Sacramento, Uruguay in January?
| Skin type | Time to first burn | With SPF 30 |
|---|---|---|
| Type 1 | 6 min | up to 180 min |
| Type 2 | 9 min | up to 240 min |
| Type 3 | 15 min | up to 240 min |
| Type 4 | 24 min | up to 240 min |
| Type 5 | 36 min | up to 240 min |
| Type 6 | 54 min | up to 240 min |
Estimates based on Colonia del Sacramento, Uruguay's latitude and typical January 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.
Colonia del Sacramento, Uruguay UV Index by Month
When is the UV index highest and lowest in Colonia del Sacramento, Uruguay?
Highest: December (about 10.1). Lowest: June (about 7).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 10 | 12 | Very High | 9 min |
| February | 9.8 | 12 | Very High | 9 min |
| March | 9.2 | 12 | Very High | 10 min |
| April | 8.4 | 12 | Very High | 11 min |
| May | 7.5 | 11.8 | High | 12 min |
| June | 7 | 11 | High | 13 min |
| July | 7.2 | 11.3 | High | 13 min |
| August | 8 | 12 | Very High | 11 min |
| September | 8.9 | 12 | Very High | 10 min |
| October | 9.6 | 12 | Very High | 9 min |
| November | 10 | 12 | Very High | 9 min |
| December | 10.1 | 12 | Very High | 9 min |
Common questions about UV in Colonia del Sacramento, Uruguay in January
Do you need sunscreen in Colonia del Sacramento, Uruguay in January?
Yes. A UV index of 10 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Colonia del Sacramento, Uruguay in January?
Yes, UV of 10 is strong enough to tan. Fair skin can burn in about 9 minutes, so build exposure slowly and use sunscreen.
What time of day is UV strongest in Colonia del Sacramento, Uruguay?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 12 in January. Mornings and late afternoons are safest.
Is January a good month to visit Colonia del Sacramento, Uruguay for the sun?
January averages UV 10, compared with a yearly high of 10.1 in December and a low of 7 in June. Darker skin (Type VI) can burn in about 54 minutes at this level.