UV Index in St Anne, Guernsey

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of St. Anne, Guernsey, where the unique Cfb climate brings varied UV exposure throughout the year. By staying informed about UV levels, you can effectively prevent sunburn and protect your skin from long-term damage. With UV indices peaking at an intense 9 during midday hours, it’s essential to recognize the risks associated with sun exposure in this beautiful coastal town. Be proactive about your sun safety—monitoring the UV Index can enhance your outdoor experience while protecting your health.

Hourly UV Index in St Anne

The UV Index data reveals a dynamic daily pattern of sun exposure. Starting gently at 1 at 7:00 AM, it gradually climbs, reaching 3 by 9:00 AM. The intensity peaks at 9 around 1:00 PM, signaling the highest risk for UV-related harm. As the afternoon progresses, the index dips, falling back to 5 by 4:00 PM, and dropping to 1 again by 7:00 PM. With such fluctuations, it’s essential to protect your skin during the peak hours of 11:00 AM to 2:00 PM when the UV Index hits 7 and above. Always remember, even on mild days, sunscreen and protective clothing are your best allies!

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	9	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in St Anne

Throughout the year, the UV Index fluctuates significantly, impacting the risk of skin damage from sun exposure. High-risk months for UV exposure include April through August, with the index peaking at a very high level of 9 in June. During these months, the recommended burn time decreases to as low as 15 minutes, necessitating caution. In contrast, January, November, and December experience lower UV levels, categorized as low with burn times of up to 45 minutes. Visitors and residents are advised to take protective measures during high UV periods by wearing sunscreen, protective clothing, and sunglasses, especially in the peak summer months. Stay informed and proactive to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for St Anne, Guernsey

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in St Anne. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for St Anne, 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 St Anne UV Index with Other Guernsey Cities

The table above highlights how UV exposure in St Anne compares to other major locations across Guernsey. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

St Anne's solar exposure compared to other cities in Guernsey. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
St Anne	2	3	4	6	7	9	8	7	6	4	2	1
St Martin UVI	2	3	4	6	7	9	8	7	6	4	2	1
Sark UVI	2	3	4	6	7	9	8	7	6	4	2	1
Saint Peter Port UVI	2	3	4	6	7	9	8	7	6	4	2	1
Saint Saviour UVI	2	3	4	6	7	9	8	7	6	4	2	1