UV Index in Alofi, Niue

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Alofi, Niue, where the sun's rays can pose significant risks to skin health. With UV levels peaking during midday, awareness of this index helps prevent sunburn and long-term skin damage, ensuring a safe and enjoyable experience under the bright Pacific sun. Alofi's tropical climate brings a mix of sunny days and humidity, making it essential to monitor UV exposure. As daily UV readings can fluctuate significantly, being informed empowers you to take necessary precautions whenever you step outside.

Hourly UV Index in Alofi

Today's UV Index shows a dynamic rise and fall in intensity throughout the day. Starting with a gentle 1 at 07:00, it gradually increases to a moderate 3 by 09:00. The sun reaches its zenith at 12:00, where the UV Index peaks at a striking 7, recommending caution for those outdoors. The intensity remains high at 7 till 13:00 before gracefully tapering off to 5 by 14:00. As the afternoon wanes, the UV Index declines to 3 at 15:00 and further drops to 1 by 17:00, finally settling at 0 after 18:00. Enjoy the sun, but remember to stay protected during the peak hours! ☀️

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:007high25 min
14:005moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Alofi

The UV Index experiences significant seasonal fluctuations, with high-risk months occurring from January to April and again in August to November. In winter and early spring, the index is alarmingly high, peaking at 16 from January to March, which means an extreme exposure category and a burn time of just 10 minutes. As we transition into late spring and summer, the UV levels drop slightly, reaching a very high category of 9 to 11 in May and July, allowing for a burn time of up to 25 minutes in June. However, by August through October, the index ramps up again to extreme levels, emphasizing the need for vigilance with a burn time returning to just 10 minutes. Residents and visitors are advised to take precautions during these high-risk months by wearing protective clothing, seeking shade, and using sunscreen to mitigate the risks of overexposure to UV rays.

Monthly Maximum UV Index for Alofi, Niue

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Alofi. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161615129781112141515
Data source: Statistical UV Index data for Alofi, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Alofi UV Index with Other Niue Cities

The table above highlights how UV exposure in Alofi compares to other major locations across Niue. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Alofi's solar exposure compared to other cities in Niue. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Alofi161615129781112141515