UV Index in Opava, Czech Republic

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Opava, Czech Republic, where the unique Cfb climate brings a mix of temperate conditions and significant sun exposure. As UV levels can peak at 8 during midday hours, being aware of these fluctuations is essential for preventing sunburn and promoting long-term skin health. With the potential for high UV radiation, especially in late spring and summer, knowing when to seek shade or apply sunscreen can make a tremendous difference in your overall well-being. Stay informed and protect yourself as you enjoy the beautiful outdoors in Opava!

Hourly UV Index in Opava

As the sun rises, UV Index levels gradually climb, starting at a mild 1 by 07:00. By 09:00, the index reaches 4, prompting early risers to take note. The real intensity kicks in from 10:00, peaking at 8 between 12:00 and 14:00. This is the time to protect your skin, as the UV exposure is at its highest. Following this zenith, the levels start to taper off, dropping to 6 by 15:00, and declining further as evening approaches. By 17:00, the UV Index lowers to 3, and as the sun sets, it gracefully dims to 1 by 19:00. Remember, while the midday sun may shine brightly, it’s essential to stay vigilant and enjoy the outdoors safely!

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
09:004moderate30 min
10:006high25 min
11:007high25 min
12:008very high15 min
13:008very high15 min
14:008very high15 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Opava

Throughout the year, the UV Index exhibits significant seasonal variations, with peak levels typically occurring during the summer months. January and February have low UV ratings (Index 2), allowing for relatively prolonged exposure without risk of burning (45 minutes). As spring approaches, March (Index 4) and April (Index 5) see a shift to moderate levels, reducing safe exposure times to 30 minutes. The high-risk months are May through August, where the UV Index reaches its highest points—7 to 8—requiring caution with burn times of just 15-25 minutes. September remains a high-risk month (Index 6) before it tapers back to moderate values in October (Index 4). By November and December, UV exposure risks reduce significantly. Residents and visitors are advised to stay vigilant during peak UV months, wearing protective clothing and sunscreen, especially between late spring and summer, to safeguard against skin damage.

Monthly Maximum UV Index for Opava, Czech Republic

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Opava. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Statistical UV Index data for Opava, 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 Opava UV Index with Other Czech Republic Cities

The table above highlights how UV exposure in Opava compares to other major locations across Czech Republic. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Opava's solar exposure compared to other cities in Czech Republic. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Opava224578876421
Prague UVI234578876421
Ostrava UVI224678876421
Olomouc UVI234678876422
Pilsen UVI235688876421
Brno UVI235688876422