Select an Area

Continental United States Weather Data

Continental United States Weather at a Glance

Avg. Temp.Min. Temp.Max. Temp.PrecipitationHeating Degree DaysCooling Degree Days
37.8027.0948.492.0175613
1901-2000 Avg. (Dec. Only)32.6822.6042.762.358436
Historic High (Dec. Only) 39.81 (2023)29.86 (2023)49.95 (2021)4.06 (2015)1,057 (1989)24 (2015)
Historic Low (Dec. Only) 25.47 (1983)16.45 (1909)34.43 (1983)1.28 (1930)585 (2015)1 (1935)
1901-2000 Avg. (All Months) 52.0240.0364.002.4938999
Historic High (All Months) 76.80 (July, 1936)63.59 (July, 2022)90.84 (July, 1936)4.47 (May, 2019)1,184 (Jan., 1977)404 (July, 2011)
Historic Low (All Months) 21.90 (Jan., 1979)12.52 (Jan., 1977)31.26 (Jan., 1979)0.54 (Oct., 1952)3 (July, 2002)1 (Feb., 1895)

Continental United States December Weather History Between and

December Temperatures

December Precipitaton

Compare Weather Data -


AreaAvg. Temp.Min. Temp.Max. Temp.PrecipitationHeating Degree DaysCooling Degree Days
National (contiguous 48 States)37.827.148.52.0175613
Alabama47.837.058.72.745654
Alaska-3.2-9.63.32.28
Arizona50.537.563.40.4326011
Arkansas44.634.954.40.79645
California49.840.559.05.063536
Colorado35.322.348.30.76890
Connecticut28.620.037.23.471,102
Delaware35.026.043.92.47951
Northeast Region24.215.333.23.071,177
East North Central Region18.69.627.61.421,106
Central Region34.224.843.61.641,192
Southeast Region48.337.259.42.381,184
West North Central Region27.116.238.01.3654046
South Region49.136.861.40.756792
Southwest Region42.429.155.70.5237020
Northwest Region37.030.143.96.966433
West Region46.236.056.33.494314
Florida62.451.073.72.04115140
Georgia49.337.761.02.415613
Hawaii65.758.772.73.05
Idaho33.425.741.15.06890
Illinois29.720.538.91.441,191
Indiana30.221.339.11.911,102
Iowa23.614.133.00.921,295
Kansas38.224.951.50.10856
Kentucky37.829.046.72.24853
Louisiana53.543.363.83.5334118
Maine17.38.226.43.541,367
Maryland34.425.543.41.83954
Massachusetts27.018.235.93.071,141
Michigan22.615.329.82.701,238
Minnesota13.23.123.30.881,561
Mississippi49.539.159.82.234838
Missouri36.325.646.90.53923
Montana27.718.037.42.571,084
Nebraska33.720.546.90.151,026
Nevada41.129.652.51.24484
New Hampshire20.410.730.03.431,339
New Jersey31.823.240.53.131,049
New Mexico43.828.259.40.19630
New York23.014.131.93.371,123
North Carolina41.830.553.02.44716
North Dakota14.03.624.50.681,606
Ohio29.721.138.31.991,105
Oklahoma44.631.457.70.09632
Oregon39.732.546.86.14656
Pennsylvania27.218.635.82.521,120
Rhode Island30.422.038.82.931,073
South Carolina46.935.758.22.465662
South Dakota25.213.636.90.551,236
Tennessee41.331.651.02.10733
Texas53.740.766.70.3631126
Utah38.127.548.70.85859
Vermont18.88.828.73.481,415
Virginia36.826.647.02.24882
Washington37.532.143.010.48708
West Virginia33.824.543.02.52956
Wisconsin17.68.826.41.431,391
Wyoming31.621.242.21.64999

Heating and Cooling Degree Days

Degree days is a unit of temperature difference of the average daily temperature with 65 degrees. It is used in estimating the energy needs for a building.

Check out National Weather Service's page for more information about heating and cooling degree days,

More

OFF THE GRID: Power Outage Tracker

As severe weather or blizzards threaten, this database scrapes power outage information from more than 1,000 companies nationwide. It will automatically update every 15 minutes.

Weather Alerts: Warnings, Watches and Advisories

Track all current severe weather warnings, watches and advisories for Tallahassee, Florida and other areas in the United States on the interactive weather alerts page. This data is updated every 5 minutes.

Rolling Storm Damage Reports

As storms strike, this interactive map is your guide to impacts and damage reports coming into National Weather Service stations nationwide.

A history of twisters: Tornadoes in Florida since 1950s

This interactive map, which contains data from January 1950, pinpoints where a cyclone touched down and traces its path of destruction. For more recent tornadoes, clicking deeper provides more details, damage estimates and whether someone was injured or killed in the storm.

Real-time Streamflow Map: River Water Level

Current data typically are recorded at 15- to 60-minute intervals.

Excessive Rainfall Forecast

Weather Prediction Center forecasts the probability that rainfall will exceed flash flood guidance within 25 miles of a point.

Maximum Heat Index Forecast

Maximum heat index forecast for next 7 days.

Drought Monitor and History

Data shows the location and intensity of drought across the country.

Wildfire and Smoke Tracker

Fire data is updated hourly based upon input from incident intelligence sources, GPS data, infrared (IR) imagery from fixed wing and satellite platforms.

Wildfire History

See a map of wildfires since 2017

Air Quality Index (AQI) Forecasts and Current Conditions

The Air Quality Index (AQI) translates air quality data into numbers and colors that help people understand when to take action to protect their health.

Storm Tracker and Model Mixer

A hurricane watcher's guide to the latest track and model forecasts. This storm tracker contains data from 1851.

Snow & Ice: Winter Weather Forecasts

Map indicates the probability of accumulated snow or ices for next 3 days

Source: National Centers for Environmental Information