UV Index
UV Index
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Today's UV index in Arlington, United States 
will be up to 4, indicating a moderate 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 reaching up to 4 in Arlington, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Arlington, USA, can reach a high of 9 during summer months, indicating a very high risk of harm from unprotected sun exposure. On average, Arlington experiences 197 clear days per year.
Arlington has four distinct seasons. Spring brings comfortable temperatures and blooming flowers, while summer is typically warm and humid. Autumn sees cooler weather and vibrant foliage, and winter can be cold with occasional snowfall.
Compared to its region and neighboring countries, Arlington's weather is moderate. It is less extreme than the cold winters and hot summers of its northern neighbors, Canada, and has more consistent temperatures than its southern neighbor, Mexico. However, Arlington may still experience weather phenomena common in North America, such as hurricanes and nor'easters.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Arlington. It's designed to provide you with a better understanding of the yearly weather and sun exposure.