UV Index
UV Index
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Today's UV index in Mesa, United States 
will be up to 9.9, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index of 9.9 in Mesa, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Mesa, United States is high, with a rating of 10 on most days. This is due to the city's location in the desert and its elevation, which allows for strong sunlight.
Mesa has two main seasons: a hot, dry summer and a mild, wet winter. Summer temperatures often exceed 100°F, while winter temperatures rarely drop below 40°F. Spring and fall are transitional seasons with mild temperatures and low humidity.
Compared to its region and neighboring countries, Mesa is hotter and drier. The city receives less rainfall than cities at similar latitudes in other parts of the country and in Mexico. The desert climate also results in larger temperature fluctuations between day and night.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Mesa. It's designed to provide you with a better understanding of the yearly weather and sun exposure.