Live UV forecast for 6 cities
Macao stretches from 22.1181° to 22.2006° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.1 in Lai Chi Van (peak in May), while in Zhuojiacun the yearly maximum is only ≈ 9.1.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 6 | 6.2 | 7.1 | 8.1 | 8.8 | 9.1 | 9.1 | 9.1 | 9 | 8.6 | 7.8 | 6.8 | 6.1 | 9.1 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Macau as a reference: the UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December. In the sunniest zones (see table) SPF 30–50+ is needed almost year-round; in the mildest — only in late spring and summer.
The calculated clear-sky maximum is ≈ 9.1 — in Lai Chi Van around May. Values above this occur only near the equator and in high mountains.
Lai Chi Van (peak ≈ 9.1), followed by Luhuan and Macau. The mildest sun is in Zhuojiacun (max ≈ 9.1).
In Macau and similar latitudes the UV reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December: use SPF 30–50+ on sunny days. Protection is advised from UV 3.
No — the local maximum is ≈ 9.1. UV 11+ occurs only near the equator, in deserts and high mountains.