A true chill, or rigor, results from an increase in chemical activity within the body and usually ushers in a considerable rise in body temperature. The pallor and coldness of a chill, and the piloerection of the skin (goose flesh) that often accompanies it, are caused by constriction of the peripheral blood vessels.
The city averages only 1 day per year with rainfall above 1/2 inch in one day Nevada possesses 22 of the Top 25 driest years for any state.The record driest year was 1929, when the state averaged only 4.88 inches of rainfall. Nevada Tornado Average - 1.0 per year - 45th most in the U.S. 2  Largest reported Tornado in Nevada from 1950-2011, 5/13/1970 - 440 yards / .25 miles wide. 3  Date with highest number of reported Tornadoes in Nevada from 1950-2011, June 11th - 3 tornadoes.
This figure steadily drops throughout the month until it reaches 6% by April 30 th. The most usual forms of precipitation for Las Vegas in April are light rain, moderate rain and thunderstorms. Throughout the month, the city receives an average of 4mm/0 inches of rainfall which is divided between three rainy days. Across April, Las Vegas boasts an average of 12 hours of sunshine each day, accompanied by a median cloud cover of 0%. This means that even if the temperatures arenât very warm, youâll still get to enjoy plenty of sunny days during your holiday in Las Vegas if you visit during April.