Arkansas A sure way to ruin a vacation is to encounter weather that's not expected. Since it can't be forecast more than a week or so in advance, weather averages serve as much better indicators of what to expect any month. Bitter cold air sometimes reaches the region in winter, but cold weather seldom lasts long.
Summers tend to be hot and humid.
High temperatures exceed 90 degrees an average of 90 days a year. May. Summer rain comes mostly from showers and thunderstorms that are brief, but can be downpours. Precipitation, which includes rain and melted snow or sleet, and snowfall are in inches. Temperatures and precipitation are based on a period less than the 30-year average used to establish climate normals . More about weather averages .