UV Index in Apache Junction, United States

Last updated: May 3, 2025

In Apache Junction, United States, being aware of the UV Index is crucial for safeguarding your skin from harmful ultraviolet rays. With an arid climate typical of the BWh zone, residents and visitors alike face higher UV exposure risks, particularly during midday hours when values peak at 11. Understanding these UV levels is key to preventing sunburn and maintaining overall skin health, enabling you to fully enjoy the region’s stunning outdoor activities without compromising your well-being. Stay informed and take proactive measures to protect yourself from the sun's intensity!

Hourly UV Index in Apache Junction

The UV Index throughout the day showcases a remarkable rise, peaking impressively at 11 between noon and 1 PM. Starting with a modest 1 at 7 AM, the index escalates to around 3 by 8 AM and rapidly climbs, hitting 5 by 9 AM. The ascent continues as the sun reaches its zenith, soaring to 8 at 10 AM and breaching the 10 mark by 11 AM. As we reach peak sun hours, it stabilizes at 11 for both 12 PM and 1 PM, before gradually descending to 9 at 2 PM and tapering off to 7 by 3 PM. The latter part of the afternoon sees a gentle decline to 4 at 4 PM, finally returning to the morning's low of 1 by 6 PM, and maintaining this relaxed level through 7 PM. It's a vivid reminder of the sun's strength, urging outdoor enthusiasts to stay sun-smart during the intense 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:005moderate30 min
10:008very high15 min
11:0010very high15 min
12:0011extreme10 min
13:0011extreme10 min
14:009very high15 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Apache Junction

As the year progresses, seasonal UV changes indicate a significant increase in UV exposure from January to May, reaching an extreme level of 11 by May and staying elevated throughout the summer months of June and July. The high-risk months for UV exposure are March through September, particularly April and May, which see very high to extreme UV Index values. During these peak months, the burn time reduces dramatically to just 10 minutes, necessitating strong sun protection measures. Visitors and residents are advised to limit sun exposure during these high UV periods, especially around midday, by wearing sunscreen, protective clothing, and hats, while seeking shade whenever possible. As the year comes to a close, UV levels drop back down to moderate levels in November and December, where precautions can be relaxed slightly.

Monthly Maximum UV Index for Apache Junction, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Apache Junction. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111110854
Data source: Statistical UV Index data for Apache Junction, 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 Apache Junction UV Index with Other United States Cities

The table above highlights how UV exposure in Apache Junction 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.
Apache Junction's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Apache Junction469101112111110854
Houston UVI589111112121110975