5 Rainiest States in the US

In this article, we will take a look at the top 5 rainiest states in the US. If you would like to read our discussion on the rainfall disparities across the country, you can go to the 25 Rainiest States in the US.

5. Florida

Mean Annual Precipitation: 54.57 Inches

Florida’s climate is marked by distinct wet and dry seasons, with the majority of rainfall occurring between June and October. Annual precipitation levels vary between 44 to 65 inches per year. Average annual precipitation has remained relatively consistent across the state compared to the first half of the last century. However, there has been an increase in winter precipitation in the Panhandle, North Florida, and South Florida. Conversely, while summer precipitation has risen across the Peninsula, it has decreased in the central Panhandle.

4. Alabama

Mean Annual Precipitation: 58.28 Inches

Alabama enjoys a mild climate, with average summer temperatures around 79 °F and winter temperatures averaging 48 °F. Rainfall is consistent throughout the year across the state. Alabama has seen no net warming in temperatures since the start of the 20th century, making it one of the few regions globally with no discernible increase. However, recent years have exhibited high temperatures, with the warmest consecutive 5-year period being the most recent, from 2016 to 2020.

3. Mississippi

Mean Annual Precipitation: 59.23 Inches

Mississippi experiences a mild climate characterized by short winters and long, hot summers. The state receives abundant rainfall throughout the year, with the highest rain levels typically observed during the summer season. Mississippi’s average annual rainfall is approximately 59 inches. July typically is the wettest month, recording an average of 6.7 inches of rainfall. Conversely, October is generally the driest month, with an average rainfall of 3.7 inches.

2. Louisiana

Mean Annual Precipitation: 60.09 Inches

Louisiana frequently faces the impact of Atlantic Ocean hurricanes targeting the Gulf of Mexico. The last major flood event across the state was Hurricane Katrina in 2005. The state faces hot and humid summers, typically relieved by afternoon thundershowers, along with mild winters. With a population of 4.59 million and a GDP totaling $281 billion as of 2022, Louisiana deals with its unique climatic challenges while sustaining its economic growth.

1. Hawaii

Mean Annual Precipitation: 63.7 Inches

Hawaii’s climate is classified as tropical, although it varies across its diverse islands. Tourism stands as the primary economic activity, serving as the leading employer in the state. With varied terrain, including jungles, beaches, volcanoes, and mountains, Hawaii offers rich landscapes to visitors and residents alike.