Unawatuna, Sri Lanka UV Index in December
The average UV index in Unawatuna, Sri Lanka in December is about 9.5 (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 Unawatuna, Sri Lanka in December?
Average UV
9.5
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 Unawatuna, Sri Lanka in December?
| 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 | 16 min | up to 240 min |
| Type 4 | 25 min | up to 240 min |
| Type 5 | 38 min | up to 240 min |
| Type 6 | 57 min | up to 240 min |
Estimates based on Unawatuna, Sri Lanka's latitude and typical December 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.
Unawatuna, Sri Lanka UV Index by Month
When is the UV index highest and lowest in Unawatuna, Sri Lanka?
Highest: April (about 10.3). Lowest: December (about 9.5).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 9.6 | 12 | Very High | 9 min |
| February | 9.9 | 12 | Very High | 9 min |
| March | 10.2 | 12 | Very High | 9 min |
| April | 10.3 | 12 | Very High | 9 min |
| May | 10.1 | 12 | Very High | 9 min |
| June | 10 | 12 | Very High | 9 min |
| July | 10 | 12 | Very High | 9 min |
| August | 10.2 | 12 | Very High | 9 min |
| September | 10.3 | 12 | Very High | 9 min |
| October | 10 | 12 | Very High | 9 min |
| November | 9.7 | 12 | Very High | 9 min |
| December | 9.5 | 12 | Very High | 9 min |
Common questions about UV in Unawatuna, Sri Lanka in December
Do you need sunscreen in Unawatuna, Sri Lanka in December?
Yes. A UV index of 9.5 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Unawatuna, Sri Lanka in December?
Yes, UV of 9.5 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 Unawatuna, Sri Lanka?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 12 in December. Mornings and late afternoons are safest.
Is December a good month to visit Unawatuna, Sri Lanka for the sun?
December averages UV 9.5, compared with a yearly high of 10.3 in April and a low of 9.5 in December. Darker skin (Type VI) can burn in about 57 minutes at this level.