UV Index in Valletta, Malta

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Valletta, Malta, where sunny skies are a hallmark of its Mediterranean climate. This index provides vital information about the sun's intensity throughout the day, helping you make informed decisions to protect your skin from harmful UV rays. With peak values soaring to 11 during the hottest hours, being aware of these levels can significantly reduce the risk of sunburn and promote overall skin health. As you explore the charming streets and stunning coastal views of Valletta, staying informed about UV exposure risks ensures you can enjoy the beautiful weather safely while safeguarding your skin against the relentless Maltese sun.

Hourly UV Index in Valletta

As the sun rises, the UV Index begins at a mild 1 at 07:00, gradually escalating throughout the morning. By 10:00, it peaks at a robust 6, and then skyrockets to its maximum of 11 by 13:00—a time when protective measures become essential. The intensity starts to wane in the afternoon, dropping to 8 at 15:00, and further retreating to a gentle 1 by evening. It's a classic case of the sun's power, reminding us to stay vigilant and shield ourselves 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
10:006high25 min
11:008very high15 min
12:0010very high15 min
13:0011extreme10 min
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Valletta

Throughout the year, the UV Index exhibits significant seasonal variations, with the highest risk occurring during the summer months of June and July. Visitors and residents should take note that from March to August, UV exposure escalates, peaking at an extreme level of 11 in July, where the burn time is only 10 minutes. The high-risk months include April and May, both with a UV Index of 9, and the very high categories remain consistent through to September. In contrast, the winter months of January, February, November, and December see a decrease in UV intensity, with indices dropping to the moderate category. To protect against harmful UV exposure, it is advisable to seek shade, wear protective clothing, and apply sunscreen during high-index periods, particularly from March to September.

Monthly Maximum UV Index for Valletta, Malta

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Valletta. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec357991011108743
Data source: Statistical UV Index data for Valletta, 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 Valletta UV Index with Other Malta Cities

The table above highlights how UV exposure in Valletta compares to other major locations across Malta. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Valletta's solar exposure compared to other cities in Malta. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Valletta357991011108743
San Pawl il-Bahar UVI357991011108743
Zabbar UVI357991011108743
Mosta UVI357991011108743
Qormi UVI357991011108743
Birkirkara UVI357991011108743