UV Index in Knivsta, Sweden

Last updated: June 2, 2025

Being aware of the UV Index in Knivsta, Sweden, is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels is essential for sunburn prevention and maintaining overall skin health, as even the gentler summer sun can pose risks. Knivsta's Dfb climate, characterized by warm summers and cold winters, brings varied UV exposure throughout the year, making it vital to stay informed. With daily peak UV Index values reaching 7 in the summer, it's important to take precautions to enjoy the sun safely and minimize long-term skin damage. Whether you're out for a stroll or engaging in outdoor activities, knowing the UV Index empowers you to make informed choices for your skin's protection.

Hourly UV Index in Knivsta

As the sun rises, the UV Index starts off low, with a maximum of 2 at 7:00 AM and 8:00 AM. By 9:00 AM, it climbs to a moderate 4, reaching 5 by 10:00 AM. The intensity peaks at 7 from 12:00 PM to 1:00 PM, indicating a strong need for sun protection during these hours. After hitting its zenith, the UV Index gently declines to 6 at 2:00 PM and gradually tapers off to 3 by 5:00 PM, finally settling at 1 as the sun begins to set around 7:00 PM. This data highlights the importance of being vigilant about sun safety, especially in the midday 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
07:002low45 min
08:002low45 min
09:004moderate30 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 Knivsta

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 Knivsta, Sweden

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

The table above highlights how UV exposure in Knivsta 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.
Knivsta's solar exposure compared to other cities in Sweden. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sollentuna UVI123457754211
Knivsta123457754211
Uppsala UVI123457754211
Stockholm UVI123457754211
Goeteborg UVI123567765211
Malmoe UVI123567765311