UV Index in Forks, United States

Last updated: June 2, 2025

In Forks, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to take the necessary precautions when enjoying the great outdoors. With a Cfb climate that can lead to varying UV exposure risks throughout the year, knowing when the UV Index peaks—especially between 10 AM and 3 PM—empowers everyone to protect their skin effectively. As reported, UV Index values can soar to 9 during midday in Forks, urging locals to stay informed and safeguard their health under the sun.

Hourly UV Index in Forks

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!

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	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Forks

Throughout the year, seasonal changes in UV Index reflect varying levels of sun exposure risks. The highest risk months occur from May to August, where the UV Index climbs to very high levels (8-9), reducing the safe burn time to just 15 minutes. Notably, April marks the transition to high exposure with a UV Index of 6, while February and March indicate a shift towards moderate levels (3-5). During the fall and winter months, from September to February, the UV levels drop significantly, creating lower risk periods. Residents and visitors should take preventive measures seriously during the high-risk months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize skin damage.

Monthly Maximum UV Index for Forks, United States

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

The table above highlights how UV exposure in Forks 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.

Forks'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
Forks	2	3	5	6	8	9	9	8	7	5	2	2
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
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