The most pleasant months of the year for Bella Vista are May, September and June. Sign up for our email newsletter by entering your email address. The National Weather Service in Phoenix broke the news Tuesday afternoon … Nine of the 10 hottest Julys have occurred since 2005, and the last five have been the hottest Julys ever. /* coolweather temperature mid link created 9/14/10 */ Summers, Arkansas's History, Trivia, Facts and more. Travelling 7. ( Log Out /  Change ), You are commenting using your Facebook account. The most destructive flood in United States history, the Mississippi River Floods of 1927, affected Arkansas by inundating 36 out of 75 counties across the state, with floodwaters as deep as 30 feet in some places. Annual Weather Averages in Adams Field. The fact that there were hot years in some parts of the world in the past is not an argument against global climate change. Post was not sent - check your email addresses! , ,