UV Index in Lima
Live UV index for Lima, Peru. Personalised SPF, reapply timing, and protection advice for your skin type. Free, no signup, updated every 30 minutes.
-12.05°, -77.04° · UV data refreshes every 30 minutes
UV in Lima: what to expect
Tropical latitude 12°S; coastal stratus can hide the sun but UV index regularly tops 13 on clear days.
Peak season
December – April
Average peak UV
13 (extreme)
Country
Peru
Region
Latin America
Sun safety for Lima
Lima sits in the extreme UV band during peak season. Fair skin can burn in under 15 minutes at noon. Plan outdoor time before 10am or after 4pm whenever possible. SPF 50 broad-spectrum is the floor, not the ceiling — apply 2 milligrams per square centimetre, which most people under-apply by a factor of three.
Reapply every 90 minutes during peak hours, immediately after swimming or heavy sweating. UPF 50 clothing covers more reliably than sunscreen on areas you can clothe — long sleeves, brimmed hat, UV-blocking sunglasses are not paranoia, they are the local norm in places like Lima.
Whatever Lima's climatology says, the live reading above is what counts on the day you check. UV varies hour by hour; the widget shows current and forecast values so you can plan around peak hours.
Why daily UV awareness matters in Lima
UV exposure is the leading preventable cause of skin cancer. Each blistering sunburn before age 20 doubles melanoma risk in adulthood. Cumulative UV from daily, unprotected exposure causes basal cell carcinoma, squamous cell carcinoma, premature aging, and pigmentation disorders.
For residents of Lima, the practical impact of knowing today's UV is choosing the right SPF strength, the right outdoor schedule, and the right protective clothing for the next few hours — not abstract long-term advice. The widget above turns this into a 5-second daily check.
Read the full UV checker guideOther cities in Latin America
Mexico City, Mexico
Average peak UV 12 · March – October
Cancún, Mexico
Average peak UV 12 · year-round
São Paulo, Brazil
Average peak UV 13 · October – March
Rio de Janeiro, Brazil
Average peak UV 13 · October – March
Buenos Aires, Argentina
Average peak UV 11 · December – February
Bogotá, Colombia
Average peak UV 14 · year-round
Related tools and guides
Sources & methodology
Live UV: Open-Meteo Air Quality API (CAMS atmospheric model + satellite + ground station inputs). City climatology values from NASA TEMIS UV climatology and CAMS reanalysis. SPF and reapply guidelines based on AAD, BAD, and WHO recommendations. Full editorial methodology →