Karimunjawa, Indonesia UV Index in January

The average UV index in Karimunjawa, Indonesia in January is about 10.6 (Very High), peaking near 12 at midday on clear days. Fair skin (Type II) can burn in roughly 8 minutes without sunscreen. SPF 50+ sunscreen, protective clothing, hat and sunglasses. Minimise midday sun exposure.

What is the UV index in Karimunjawa, Indonesia in January?

Average UV

10.6

Very High

Midday Peak

12

Clear-sky estimate

Fair Skin Burn Time

8 min

Type II, no sunscreen

How long can you stay in the sun in Karimunjawa, Indonesia in January?

Skin typeTime to first burnWith SPF 30
Type 16 minup to 180 min
Type 28 minup to 240 min
Type 314 minup to 240 min
Type 423 minup to 240 min
Type 534 minup to 240 min
Type 651 minup to 240 min

Estimates based on Karimunjawa, Indonesia'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.

When is the UV index highest and lowest in Karimunjawa, Indonesia?

Highest: February (about 10.8). Lowest: June (about 10).

MonthAverage UVMidday peakLevelFair skin burn
January10.612Very High8 min
February10.812Very High8 min
March10.812Very High8 min
April10.612Very High8 min
May10.212Very High9 min
June1012Very High9 min
July10.112Very High9 min
August10.512Very High9 min
September10.812Very High8 min
October10.812Very High8 min
November10.712Very High8 min
December10.512Very High9 min

Common questions about UV in Karimunjawa, Indonesia in January

Do you need sunscreen in Karimunjawa, Indonesia in January?

Yes. A UV index of 10.6 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.

Can you tan in Karimunjawa, Indonesia in January?

Yes, UV of 10.6 is strong enough to tan. Fair skin can burn in about 8 minutes, so build exposure slowly and use sunscreen.

What time of day is UV strongest in Karimunjawa, Indonesia?

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 Karimunjawa, Indonesia for the sun?

January averages UV 10.6, compared with a yearly high of 10.8 in February and a low of 10 in June. Darker skin (Type VI) can burn in about 51 minutes at this level.