UV Index in Irsta, Sweden

Last updated: June 2, 2025

In Irsta, Sweden, being aware of the UV Index is crucial for maintaining your skin health and preventing sunburns. Understanding the daily UV levels can help you plan your outdoor activities safely, especially during the peak hours when the index rises to 7 around noon. The temperate Dfb climate of Irsta brings distinct seasonal variations, but when the sun shines brightly, the potential for harmful UV exposure increases. Stay informed and protect yourself with smart sun practices to enjoy the beautiful outdoors while keeping your skin safe!

Hourly UV Index in Irsta

As the sun rises, the UV Index begins its ascent, with a maximum of 1 at 07:00. By 08:00, it nudges up to 2, and then steadily climbs to 3 at 09:00. The intensity peaks at 12:00 and 13:00, reaching a robust 7. From there, the index gradually declines, dropping to 6 by 14:00, and easing into the afternoon with readings of 5 at 15:00 and 4 by 16:00. As the day winds down, the UV Index dips to 3 at 17:00, and finally settles back to 1 by 19:00. This progression underscores the importance of sun protection during midday when UV levels are at their highest.

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
10:005moderate30 min
11:006high25 min
12:007high25 min
13:007high25 min
14:006high25 min
15:005moderate30 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Irsta

The UV Index experiences notable seasonal changes, peaking during the summer months. From January to February, UV levels remain low (Index 1-2), allowing for a safe burn time of 45 minutes. As spring approaches in March, the index rises to 3, indicating a moderate exposure risk with a reduced burn time of 30 minutes, which continues into April and May. By June and July, UV levels escalate to 7, categorized as high, and the burn time decreases to just 25 minutes, marking this as a high-risk period for sun exposure. The UV Index begins to decline in August (Index 5) and remains moderate until September (Index 4), before returning to low levels in October, November, and December (Index 1-2, with burn times of 45 minutes). Consequently, residents and visitors are advised to take extra precautions during the summer months, particularly from June to July, by seeking shade, wearing protective clothing, and applying sunscreen to prevent sunburn and skin damage.

Monthly Maximum UV Index for Irsta, Sweden

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Irsta. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Statistical UV Index data for Irsta, 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 Irsta UV Index with Other Sweden Cities

The table above highlights how UV exposure in Irsta 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.
Irsta's solar exposure compared to other cities in Sweden. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sollentuna UVI123457754211
Uppsala UVI123457754211
Irsta123457754211
Stockholm UVI123457754211
Goeteborg UVI123567765211
Malmoe UVI123567765311