Average Monthly Precipitation for Each State in Winter

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The map here shows how the amount of rain and snowfall per month in winter compares across the American states. Below the map are the data it's based on. Plus there's a ranking of states in winter from wettest to driest. For those who want to drill down deeper, the data table also provides state-wide average precipitation for each winter month.

State-wide averages of monthly precipitation in winter range from a high of 5.99 inches (152 millimetres) in Hawaii to a low of 0.46 inches (12 millimetres) in North Dakota. For the entire United States, excluding Hawaii and Alaska, the average amount of moisture falling as rain and snow is 2.18 inches (55 millimetres).

The precipitation averages are based on data collected by weather stations throughout each state during the years 1971 to 2000 and made available by the NOAA National Climatic Data Center of the United States.

Map of USA state average precipitation in winter

How much precipitation each state in the US gets on average in a month during winter is listed below in inches and millimeters. The table includes total rainfall and snowfall for each winter month (December, January and February), plus a monthly average for the entire season. The states are also ranked from the wettest state in winter at number 1, to the driest state at number 50.

Average monthly precipitation for each state in winter.
Winter Average Rank State DecJanFeb
inches mm     inches inches inches
5.371363Alabama5.05.95.2
1.614136Alaska1.91.61.3
1.233137Arizona1.11.31.3
3.9810110Arkansas4.73.73.6
3.799615California3.14.24.0
0.772043Colorado0.80.80.8
3.869813Connecticut4.14.33.2
3.539017Delaware3.63.93.1
3.178122Florida2.73.63.2
4.551167Georgia3.95.24.5
5.991521Hawaii5.96.65.1
2.005132Idaho2.12.11.7
2.225631Illinois2.72.02.0
2.596628Indiana3.12.42.3
1.052739Iowa1.21.01.0
0.882241Kansas1.00.80.9
3.9810110Kentucky4.43.83.8
5.331354Louisiana5.45.94.7
3.158024Maine3.53.52.5
3.378619Maryland3.43.73.0
3.839714Massachusetts4.04.23.3
1.914933Michigan2.32.01.5
0.761944Minnesota0.80.90.6
5.461392Mississippi5.55.95.0
2.305830Missouri2.82.02.2
Winter Average Rank State DecJanFeb
inches mm     inches inches inches
0.731945Montana0.80.80.6
0.551448Nebraska0.60.50.6
0.882241Nevada0.71.00.9
3.168023New Hampshire3.53.42.6
3.539017New Jersey3.73.93.0
0.671746New Mexico0.80.70.6
2.877326New York3.23.02.4
3.9210012North Carolina3.54.53.7
0.461250North Dakota0.40.50.5
2.566529Ohio2.92.52.3
1.754434Oklahoma2.01.51.8
3.679316Oregon4.03.83.2
2.917425Pennsylvania3.13.02.6
4.121058Rhode Island4.34.53.6
4.071039South Carolina3.74.73.8
0.471249South Dakota0.40.50.5
4.721206Tennessee5.24.74.3
1.694335Texas1.91.61.7
0.952440Utah0.81.11.0
2.857227Vermont3.23.12.3
3.308421Virginia3.13.63.1
5.221335Washington5.85.44.4
3.338520West Virginia3.43.53.1
1.183038Wisconsin1.31.21.0
0.601547Wyoming0.60.60.6
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