Home › Hawaii › Joint Base Pearl Harbor Hickam
UV index today in Joint Base Pearl Harbor Hickam, HI
Hawaii · EPA forecast for Monday, October 5
Sun protection needed from 9 AM to 5 PM (UV 3 or higher).
The EPA forecasts a peak UV index of 10 (very high) in Joint Base Pearl Harbor Hickam on Monday, October 5.
Hour by hour
| Time | UV index | Level |
|---|---|---|
| 8 AM | 1 | Low |
| 9 AM | 3 | Moderate |
| 10 AM | 5 | Moderate |
| 11 AM | 8 | Very high |
| 12 PM | 9 | Very high |
| 1 PM | 10 | Very high |
| 2 PM | 8 | Very high |
| 3 PM | 6 | High |
| 4 PM | 3 | Moderate |
| 5 PM | 1 | Low |
What UV 10 (Very high) means today
Very high risk: unprotected skin and eyes can be damaged and burn quickly. Minimize time in the sun around the middle of the day, seek shade, and cover up with clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours.
The shadow rule: if your shadow is shorter than you are, the sun's UV is at its strongest — protect yourself.
Typical UV index in Joint Base Pearl Harbor Hickam by month
Average daily peak UV index over 2023–2024: highest in August (11.6), lowest in December (5.6). The average daily peak reaches 6 (high) or more in: January, February, March, April, May, June, July, August, September, October, November, December.
Monthly averages: hourly UV index under real sky conditions, clouds included, from NASA POWER satellite data (CERES), 2023–2024, on a 1° grid shared by nearby towns. The daily forecast above is the EPA's.
UV index today in nearby cities
- Aliamanu / Salt Lakes / Foster
3 km away10 - Pearl City
6 km away10 - Waipahu
8 km away10 - Honolulu
10 km away10 - Mililani Town
13 km away10 - Kaneohe
16 km away10 - Kailua
22 km away10 - East Honolulu
25 km away10
The UV index scale
| UV index | Level |
|---|---|
| 0–2 | Low Low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad-spectrum SPF 30+ sunscreen. Sand, water and snow reflect UV and add to your exposure. |
| 3–5 | Moderate Moderate risk from unprotected sun exposure. Stay in the shade near midday, when the sun is strongest. Wear protective clothing, a wide-brimmed hat and UV-blocking sunglasses, and apply broad-spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. |
| 6–7 | High High risk from unprotected sun exposure: skin and eyes need protection. Reduce time in the sun around the middle of the day, seek shade, and wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours. |
| 8–10 | Very high Very high risk: unprotected skin and eyes can be damaged and burn quickly. Minimize time in the sun around the middle of the day, seek shade, and cover up with clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours. |
| 11+ | Extreme Extreme risk: unprotected skin and eyes can burn in minutes. Try to avoid the sun around the middle of the day, stay in the shade, and use every protection: clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours. |
Source: the EPA's hourly UV index forecast for ZIP code 96818, calculated by the National Weather Service from the ozone forecast, sun angle, elevation and expected clouds. Sunrise, solar noon and sunset are calculated for the city's coordinates.
Run a pool, a swim school, a camp or a dermatology practice? Show Joint Base Pearl Harbor Hickam's UV index on your website with our free UV widget →