UV Index in Grindavik, Iceland

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Grindavik, Iceland to protect their skin and overall health. With typical UV exposure peaking during the summer months, being aware of UV levels can help in preventing sunburn and long-term skin damage. The climate in Grindavik, classified as Cfc, presents unique weather patterns that influence UV intensity, especially around midday when levels can reach up to 6. By staying informed about the UV Index, you can enjoy the beautiful landscapes of this volcanic region while ensuring your skin stays safe from harmful rays.

Hourly UV Index in Grindavik

The UV Index today begins with a gentle 1 at 7:00 AM, gradually rising to a moderate level of 2 by 8:00 AM. As the morning unfolds, the intensity picks up, reaching 3 at 9:00 AM, and maintaining that level until 10:00 AM. The peak UV Index occurs between 12:00 PM and 2:00 PM, soaring to 6, indicating a high potential for skin damage without proper protection. After hitting its maximum, it gradually declines, dropping to 5 by 3:00 PM, and then easing to 4 at 4:00 PM. As evening approaches, the UV Index settles back to 3, then further diminishes to 2 by 6:00 PM and remains there until 7:00 PM. Remember to stay safe under the sun, especially during those 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
08:002low45 min
09:003moderate30 min
10:003moderate30 min
11:004moderate30 min
12:005moderate30 min
13:006high25 min
14:006high25 min
15:005moderate30 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:002low45 min

Monthly UV Index Trends in Grindavik

Throughout the year, UV Index values exhibit notable seasonal changes, indicating varying levels of sun exposure risk. January through March sees a low UV Index (1-2), where the risk of harm from unprotected sun exposure remains minimal, allowing for a burn time of 45 minutes. April and May usher in a moderate UV Index (3-5), increasing risk with recommended protection measures; burn time decreases to 30 minutes. The high-risk months of June and July peak at a UV Index of 6, necessitating strict sun safety practices due to a reduced burn time of just 25 minutes. As summer transitions to fall, the UV Index gradually lowers from 4 in August to 3 in September and back to 2 in October, where sun exposure risk diminishes again to profile low levels (1-2) in November and December. Residents and visitors should exercise caution during the higher UV Index months, particularly in late spring and summer, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours.

Monthly Maximum UV Index for Grindavik, Iceland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Grindavik. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec112456643211
Data source: Statistical UV Index data for Grindavik, 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 Grindavik UV Index with Other Iceland Cities

The table above highlights how UV exposure in Grindavik compares to other major locations across Iceland. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Grindavik's solar exposure compared to other cities in Iceland. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Reykjavik UVI112356643211
Gardabaer UVI112356643211
Hafnarfjoerdur UVI112356643211
Kopavogur UVI112356643211
Grindavik112356643211
Akureyri UVI112466543211