UV Index
UV Index
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Today's UV index in Cheyenne, United States 
will be up to 5.3, 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 5.3 in Cheyenne, 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 Cheyenne, Wyoming, can reach extreme levels during the summer, posing a higher risk of skin damage and sunburn. It's essential to be aware of this when planning outdoor activities.
Cheyenne experiences a semi-arid continental climate, resulting in four distinct seasons. Winters are cold and snowy, while spring sees rapid temperature fluctuations. Summers are warm and sunny, with occasional afternoon thunderstorms, and autumn brings crisp, cooler weather.
Compared to its region and neighboring countries, Cheyenne's climate varies significantly. The city experiences harsher winters and a greater degree of temperature fluctuations than many nearby areas in the US. Conversely, it generally has less rainfall and fewer tropical storms than its Canadian counterparts.