Average Annual Precipitation for Tennessee

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The tables below give yearly averages for rainfall plus snowfall at cities and towns in Tennessee.

Each place has a total for the amount of precipitation it usually receives in a year. Most locations also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Eastern, Middle and Western Tennessee.

Eastern Tennessee

Average yearly precipitation
Days Place Inches Millimetres
134 Bristol 41.0 1042
120 Chattanooga 52.5 1333
137 Crossville 55.1 1399
124 Dayton 55.5 1410
150 Gatlinburg 55.3 1404
130 Greeneville 42.8 1086
137 Kingsport 43.1 1093
125 Knoxville 47.9 1216
  – Lookout Mountain 54.8 1392
116 Mountain City 46.3 1175
  – Mousetail Landing Park 55.8 1416
128 Oak Ridge 55.5 1409
124 Oneida 53.9 1369

Middle Tennessee

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
  99 Cheatham Lake Dam 50.3 1277
128 Clarksville 51.0 1295
118 Columbia 55.4 1408
129 Cookeville 56.0 1422
  97 Dover 52.7 1338
129 Monteagle 62.7 1593
119 Murfreesboro 53.4 1357
119 Nashville 47.3 1200
120 Shelbyville 56.3 1430

Western Tennessee

Average amount of rain and snow a year
Days Place Inches Millimetres
102 Dyersburg 51.0 1296
113 Jackson 54.2 1375
115 Martin 52.8 1341
108 Memphis 53.7 1363
116 Savannah 58.2 1477
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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