Mazatlán, Mexico UV Index in December
The average UV index in Mazatlán, Mexico in December is about 8 (Very High), peaking near 10.4 at midday on clear days. Fair skin (Type II) can burn in roughly 11 minutes without sunscreen. SPF 50+ sunscreen, protective clothing, hat and sunglasses. Minimise midday sun exposure.
What is the UV index in Mazatlán, Mexico in December?
Average UV
8
Very High
Midday Peak
10.4
Clear-sky estimate
Fair Skin Burn Time
11 min
Type II, no sunscreen
How long can you stay in the sun in Mazatlán, Mexico in December?
| Skin type | Time to first burn | With SPF 30 |
|---|---|---|
| Type 1 | 8 min | up to 240 min |
| Type 2 | 11 min | up to 240 min |
| Type 3 | 19 min | up to 240 min |
| Type 4 | 30 min | up to 240 min |
| Type 5 | 45 min | up to 240 min |
| Type 6 | 68 min | up to 240 min |
Estimates based on Mazatlán, Mexico'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.
When is the UV index highest and lowest in Mazatlán, Mexico?
Highest: May (about 10). Lowest: December (about 8).
| Month | Average UV | Midday peak | Level | Fair skin burn |
|---|---|---|---|---|
| January | 8.2 | 10.7 | Very High | 11 min |
| February | 8.7 | 11.3 | Very High | 10 min |
| March | 9.4 | 12 | Very High | 10 min |
| April | 9.8 | 12 | Very High | 9 min |
| May | 10 | 12 | Very High | 9 min |
| June | 10 | 12 | Very High | 9 min |
| July | 10 | 12 | Very High | 9 min |
| August | 9.9 | 12 | Very High | 9 min |
| September | 9.6 | 12 | Very High | 9 min |
| October | 9 | 11.7 | Very High | 10 min |
| November | 8.3 | 10.8 | Very High | 11 min |
| December | 8 | 10.4 | Very High | 11 min |
Common questions about UV in Mazatlán, Mexico in December
Do you need sunscreen in Mazatlán, Mexico in December?
Yes. A UV index of 8 is Very High, so use SPF 30+ on exposed skin between 10am and 4pm and reapply every two hours.
Can you tan in Mazatlán, Mexico in December?
Yes, UV of 8 is strong enough to tan. Fair skin can burn in about 11 minutes, so build exposure slowly and use sunscreen.
What time of day is UV strongest in Mazatlán, Mexico?
UV peaks around solar noon, roughly 11am to 2pm local time, when it can reach about 10.4 in December. Mornings and late afternoons are safest.
Is December a good month to visit Mazatlán, Mexico for the sun?
December averages UV 8, compared with a yearly high of 10 in May and a low of 8 in December. Darker skin (Type VI) can burn in about 68 minutes at this level.