UV Index in Weiser, United States

Last updated: May 3, 2025

Understanding the UV Index is essential for residents of Weiser, United States, where the combination of a Csa climate and sunny days can lead to elevated UV exposure risks. Being aware of UV levels is crucial for preventing sunburn and promoting long-term skin health, especially during those peak hours when the index reaches a high of 9 between 1 PM and 3 PM. With the beautiful Idaho sun shining down, taking proactive measures to monitor the UV Index can help you enjoy outdoor activities while protecting your skin from harmful effects.

Hourly UV Index in Weiser

The UV Index today paints a striking picture of sun intensity throughout the day. Starting off gentle at 1 during the early hours, the solar rays heighten sharply as the sun climbs higher, peaking at a robust 9 from 13:00 to 15:00. This is the time to embrace sun safety, as exposure can be harmful. As the afternoon wanes, the index begins to drop, returning to a more manageable 3 by 18:00 and down to 1 by nightfall. With these fluctuations, be sure to protect your skin when the sun is at its strongest, especially during 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	8	very high	15 min
13:00	9	very high	15 min
14:00	9	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Weiser

As the seasons change, so too does the UV Index, demonstrating significant fluctuations, particularly in the warmer months. From January to March, UV levels are moderate to high, with March showing a notable increase to an index of 6. The spring months of April and May bring a rise to very high levels, peaking in June at an extreme 11. This marks June and July as critical high-risk months, as they both retain high UV exposure categories. Even in August and September, UV levels remain concerningly high before dipping in the cooler months of October through December, where the index reaches a low of 2. Visitors and residents are advised to take protective measures, such as wearing sunscreen and protective clothing, especially during the peak months of June to September to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Weiser, United States

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

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

Weiser's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Weiser	3	5	6	8	9	11	10	10	8	5	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5