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Map of Annual Precipitation by US State

As of 1991-2020, annual precipitation ranges from 5.3 in in Nevada to 62.4 in in Louisiana across US states, with a median of 44.3 in among the 51 states with data. Source: NOAA U.S. Climate Normals.

Total precipitation (rain plus melted snow) in a typical year, from the 1991-2020 NOAA climate normals. Higher means wetter.

Data updated 2020 - Source: NOAA U.S. Climate Normals

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Choropleth map of Annual Precipitation across US states (1991-2020), by hearthmap
Annual Precipitation by US state. Source: NOAA U.S. Climate Normals.

Category

environment

Native level

County

Unit

Inches per year

Vintage

1991-2020

States ranked by annual precipitation

51 states with data (1991-2020). Top 10 highest and bottom 10 lowest.

Top 10 states by annual precipitation
RankStateValue
1Louisiana62.4 in
2Mississippi61.0 in
3Washington60.6 in
4Alabama58.3 in
5Florida57.7 in
6Tennessee54.9 in
7Georgia52.6 in
8Rhode Island51.4 in
9Arkansas51.2 in
10South Carolina50.5 in
Bottom 10 states by annual precipitation
RankStateValue
51Nevada5.3 in
50Arizona10.3 in
49New Mexico13.0 in
48Wyoming14.3 in
47Idaho16.8 in
46Colorado16.9 in
45Utah19.2 in
44California20.4 in
43North Dakota20.5 in
42Montana22.5 in

About this map

hearthmap renders annual precipitation as a choropleth map of the United States. Zoom in to see county values shaded against the rest of the country, and click any region to see its exact value with margin of error.

You can layer filters and a custom match score on top of annual precipitationto find places that match what matters to you. Combine it with school ratings, housing prices, commute times, and more.

Source: NOAA U.S. Climate Normals · 1991-2020

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