UV Index in Roknaes, Sweden

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Roknaes, Sweden, especially as the sun's rays can have varying effects throughout the day. Being aware of UV levels is key to preventing sunburn and maintaining healthy skin, as prolonged exposure can lead to serious health issues. Roknaes, nestled in a Dfc climate zone, experiences distinct seasonal variations and potential risks associated with UV exposure, peaking with values reaching up to 5 around midday. Stay informed and protect your skin throughout the day by monitoring the UV Index during your outdoor activities!

Hourly UV Index in Roknaes

As the day unfolds, the UV Index climbs steadily, peaking during the midday hours. At 07:00, it starts off low at 1, gradually rising to 2 by 08:00. By 09:00, it reaches 3, signaling a moderate increase in sun intensity. The sun is at its highest strength from 12:00 to 13:00, where it hits 5—a level that calls for protective measures if you're outdoors. As the afternoon progresses, the index dips back down; by 16:00, it slips to 3, then continues its decline to 1 by 19:00. It’s a day that emphasizes midday caution but rewards your evening relaxation with a retreat from intense UV rays.

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
10:004moderate30 min
11:004moderate30 min
12:005moderate30 min
13:005moderate30 min
14:004moderate30 min
15:004moderate30 min
16:003moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Roknaes

The UV Index experiences significant seasonal fluctuations, peaking during the summer months. From January to March, the UV Index remains low (1-2), allowing for relatively safe sun exposure with burn times around 45 minutes. However, April and May see a rise to a moderate level (4), reducing safe exposure to 30 minutes. The summer months of June and July present a high risk with a UV Index of 6, necessitating caution as burn times decrease to just 25 minutes. As summer transitions to fall, the UV Index drops back to moderate in August (4) and September (3), before returning to low levels in the final months of the year (1-2) with extended burn times of 45 minutes. Visitors and residents should take extra precautions during June and July, wearing sunscreen and protective clothing, especially during peak sun hours, while remaining vigilant throughout the spring months.

Monthly Maximum UV Index for Roknaes, Sweden

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Roknaes. 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 Roknaes, 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 Roknaes UV Index with Other Sweden Cities

The table above highlights how UV exposure in Roknaes compares to other major locations across Sweden. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Roknaes's solar exposure compared to other cities in Sweden. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Roknaes112446643211
Sollentuna UVI123457754211
Uppsala UVI123457754211
Stockholm UVI123457754211
Goeteborg UVI123567765211
Malmoe UVI123567765311