Shannon weather is temperate with warm and dry summers. The sea beaches are crowded with tourists in the summer months. The warm water of sea offers pleasant environment for swimming. Many beaches in Shannon are blue ribbon rating with standards of cleanliness.
Winters are chilly and windy with temperature some times drop below freezing point. In winters, the days are short in Shannon. Average precipitation in Shannon varies in between two and four inches. Rainfall in Shannon city occurs generally in the nighttime.