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USA Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:
- Washington, District Of Columbia, USA latitude & longitude; 38°54'N 77°3'W.
- Altitude; 22 m (72 ft).
- The average temperature in USA is 14.1 °C (57 °F).
- The range of average monthly temperatures is 23 °C.
- The warmest average max/ high temperature is 31 °C (88 °F) in July.
- The coolest average min/ low temperature is -1 °C (30 °F) in January, February & December.
- USA receives on average 1080 mm (42.5 in) of precipitation annually or 90 mm (3.5 in) each month.
- On balance there are 121 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 10.1 days on an average month.
- The month with the driest weather is February when on balance 68 mm (2.7 in) of rain, sleet, hail or snow falls across 9 days.
- The month with the wettest weather is August when on balance 120 mm (4.7 in) of rain, sleet, hail or snow falls across 10 days.
- Mean relative humidity for an average year is recorded as 52.7% and on a monthly basis it ranges from 46% in April to 58% in January.
- There is an average range of hours of sunshine in USA of between 4.6 hours per day in December and 9.8 hours per day in June.
- On balance there are 2601 sunshine hours annually and approximately 7.1 sunlight hours for each day.
- On balance there are 81 days annually registering frost in USA and in January there are on average 25 days with frost.
USA Climate Graph (Metric | Imperial units)
Add the USA Climate Graph (metric) to your web page!
Use our metric climate graph for USA on your travel or accommodation website to help people thinking of booking a flight or hotel, renting a villa or purchasing property etc. (a back link is required):
USA Weather Averages
| |
Average Minimum Temperatures in USA (°C) |
Average Maximum Temperature in USA (°C) |
USA Average Temperature (°C) |
Average Sea Temp (°C) |
Average Precipitation/ Rainfall (mm) |
Wet Days (>0.1 mm) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed in USA (Beaufort) |
Average Number of Days with Frost |
|
| Weather in USA in January |
-1 |
7 |
3 |
3 |
84 |
11 |
4.9 |
58 |
3 |
25 |
Average Temperature in USA in January |
| Weather in USA in February |
-1 |
8 |
3.5 |
4 |
68 |
9 |
5.6 |
52 |
3 |
20 |
Average Temperature in USA in February |
| Weather in USA in March |
2 |
12 |
7 |
9 |
96 |
12 |
6.8 |
49.0 |
3 |
10 |
Average Temperature in USA in March |
| Weather in USA in April |
8 |
19 |
14 |
14 |
85 |
10 |
7.3 |
46 |
3 |
1 |
Average Temperature in USA in April |
| Weather in USA in May |
13 |
25 |
19 |
20 |
103 |
12 |
8.2 |
51 |
3 |
0 |
Average Temperature in USA in May |
| Weather in USA in June |
18 |
29 |
24 |
25 |
88 |
10 |
9.8 |
52 |
3 |
0 |
Average Temperature in USA in June |
| Weather in USA in July |
21 |
31 |
26 |
28 |
108 |
11 |
9.2 |
53 |
3 |
0 |
Average Temperature in USA in July |
| Weather in USA in August |
20 |
30 |
25 |
28 |
120 |
10 |
8.5 |
55 |
3 |
0 |
Average Temperature in USA in August |
| Weather in USA in September |
16 |
26 |
21 |
25 |
100 |
9 |
7.8 |
55 |
3 |
0 |
Average Temperature in USA in September |
| Weather in USA in October |
10 |
20 |
15 |
18 |
78 |
8 |
6.8 |
54 |
3 |
1 |
Average Temperature in USA in October |
| Weather in USA in November |
4 |
14 |
9 |
12 |
75 |
9 |
6.0 |
52 |
3 |
5 |
Average Temperature in USA in November |
| Weather in USA in December |
-1 |
8 |
3.5 |
5 |
75 |
10 |
4.6 |
55 |
3 |
19 |
Average Temperature in USA in December |
 |
Add the USA Climograph/ Climate Chart (imperial) to your web page!
Use our imperial climate chart for USA on your travel or accommodation website to help people thinking of booking a flight or hotel, renting a villa or purchasing property etc. (a back link is required):
USA Temperatures in Farenheit
| |
Average Minimum Temperatures in USA (°F) |
Average Maximum Temperature in USA (°F) |
Average Temperature (°F) |
Average Sea Temp (°F) |
Average Precipitation/ Rainfall (in) |
Wet Days (>0.004 in) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed (Beaufort) |
Average Number of Days with Frost |
|
| Temperatures in USA in January |
30 |
45 |
37 |
37 |
3.3 |
11 |
4.9 |
58 |
3 |
25 |
Climate in USA in January |
| Temperatures in USA in February |
30 |
46 |
38 |
39 |
2.7 |
9 |
5.6 |
52 |
3 |
20 |
Climate in USA in February |
| Temperatures in USA in March |
36 |
54 |
45 |
48 |
3.8 |
12 |
6.8 |
49 |
3 |
10 |
Climate in USA in March |
| Temperatures in USA in April |
46 |
66 |
56 |
57 |
3.3 |
10 |
7.3 |
46 |
3 |
1 |
Climate in USA in April |
| Temperatures in USA in May |
55 |
77 |
66 |
68 |
4.1 |
12 |
8.2 |
51 |
3 |
0 |
Climate in USA in May |
| Temperatures in USA in June |
64 |
84 |
74 |
77 |
3.5 |
10 |
9.8 |
52 |
3 |
0 |
Climate in USA in June |
| Temperatures in USA in July |
70 |
88 |
79 |
82 |
4.3 |
11 |
9.2 |
53 |
3 |
0 |
Climate in USA in July |
| Temperatures in USA in August |
68 |
86 |
77 |
82 |
4.7 |
10 |
8.5 |
55 |
3 |
0 |
Climate in USA in August |
| Temperatures in USA in September |
61 |
79 |
70 |
77 |
3.9 |
9 |
7.8 |
55 |
3 |
0 |
Climate in USA in September |
| Temperatures in USA in October |
50 |
68 |
59 |
64 |
3.1 |
8 |
6.8 |
54 |
3 |
1 |
Climate in USA in October |
| Temperatures in USA in November |
39 |
57 |
48 |
54 |
3.0 |
9 |
6.0 |
52 |
3 |
5 |
Climate in USA in November |
| Temperatures in USA in December |
30 |
46 |
38 |
41 |
3.0 |
10 |
4.6 |
55 |
3 |
19 |
Climate in USA in December |
Figures for Washington, District Of Columbia. See also:
Alaska
- Anchorage, Alaska climate, average weather & temperatures
- Attu Island, Alaska climate, average weather & temperatures
- Barrow, Alaska climate, average weather & temperatures
- Bethel, Alaska climate, average weather & temperatures
- Cold Bay, Alaska climate, average weather & temperatures
- Galena, Alaska climate, average weather & temperatures
- Kodiak, Alaska climate, average weather & temperatures
- Nome, Alaska climate, average weather & temperatures
- Fairbanks, Alaska climate, average weather & temperatures
- Juneau, Alaska climate, average weather & temperatures
Alabama
- Birmingham, Alabama climate, average weather & temperatures
- Mobile, Alabama climate, average weather & temperatures
Arizona
- Yuma, Arizona climate, average weather & temperatures
- Flagstaff, Arizona climate, average weather & temperatures
- Tucson, Arizona climate, average weather & temperatures
- Phoenix, Arizona climate, average weather & temperatures
Arkansas
- Fort Smith, Arkansas climate, average weather & temperatures
- Little Rock, Arkansas climate, average weather & temperatures
California
- Death Valley, California climate, average weather & temperatures
- Eureka, California climate, average weather & temperatures
- Fresno, California climate, average weather & temperatures
- Los Angeles, California climate, average weather & temperatures
- Red Bluff, California climate, average weather & temperatures
- Sacramento, California climate, average weather & temperatures
- San Diego, California climate, average weather & temperatures
- San Francisco, California climate, average weather & temperatures
Colorado
- Denver, Colorado climate, average weather & temperatures
- Grand Junction, Colorado climate, average weather & temperatures
- Pueblo, Colorado climate, average weather & temperatures
District Of Columbia
- Washington, D.C. climate, average weather & temperatures
Florida
- Apalachicola, Florida climate, average weather & temperatures
- Jacksonville, Florida climate, average weather & temperatures
- Key West, Florida climate, average weather & temperatures
- Miami, Florida climate, average weather & temperatures
- Tampa, Florida climate, average weather & temperatures
Georgia
- Atlanta, Georgia climate, average weather & temperatures
- Macon, Georgia climate, average weather & temperatures
- Savannah, Georgia climate, average weather & temperatures
Hawaii
- Hilo Hawaii/ Big Island climate, average weather & temperatures
- Honolulu, Oahu climate, average weather & temperatures
- Lihue, Kauai climate, average weather & temperatures
- Midway Island/ Atoll climate, average weather & temperatures
- Wailuku, Maui climate, average weather & temperatures
Idaho
- Boise, Idaho climate, average weather & temperatures
- Pocatello, Idaho climate, average weather & temperatures
Indiana
- Fort Wayne, Indiana climate, average weather & temperatures
- Indianapolis, Indiana climate, average weather & temperatures
Illinois
- Cairo, Illinois climate, average weather & temperatures
- Chicago, Illinois climate, average weather & temperatures
Iowa
- Burlington, Iowa climate, average weather & temperatures
- Des Moines, Iowa climate, average weather & temperatures
Kansas
- Concordia, Kansas climate, average weather & temperatures
- Wichita, Kansas climate, average weather & temperatures
Kentucky
- Louisville, Kentucky climate, average weather & temperatures
Louisiana
- Lake Charles, Louisiana climate, average weather & temperatures
- New Orleans, Louisiana climate, average weather & temperatures
- Shreveport, Louisiana climate, average weather & temperatures
Maine
- Portland, Maine climate, average weather & temperatures
Massachusetts
- Boston, Massachusetts climate, average weather & temperatures
Michigan
- Alpena, Michigan climate, average weather & temperatures
- Detroit, Michigan climate, average weather & temperatures
- Grand Rapids, Michigan climate, average weather & temperatures
- Detroit, Michigan climate, average weather & temperatures
Minnesota
- Duluth, Minnesota climate, average weather & temperatures
- International Falls, Minnesota climate, average weather & temperatures
- Minneapolis, Minnesota climate, average weather & temperatures
Mississippi
- Meridian, Mississippi climate, average weather & temperatures
- Vicksburg, Mississippi climate, average weather & temperatures
Missouri
- Saint Louis, Missouri climate, average weather & temperatures
- Kansas City, Missouri climate, average weather & temperatures
- Springfield, Missouri climate, average weather & temperatures
Montana
- Great Falls, Montana climate, average weather & temperatures
- Kalispell, Montana climate, average weather & temperatures
- Miles City, Montana climate, average weather & temperatures
Nebraska
- North Platte, Nebraska climate, average weather & temperatures
- Omaha, Nebraska climate, average weather & temperatures
Nevada
- Ely, Nevada climate, average weather & temperatures
- Las Vegas, Nevada climate, average weather & temperatures
- Reno, Nevada climate, average weather & temperatures
- Winnemucca, Nevada climate, average weather & temperatures
New Jersey
- Atlantic City, New Jersey climate, average weather & temperatures
New Mexico
- Albuquerque, New Mexico climate, average weather & temperatures
New York
- Albany, New York climate, average weather & temperatures
- Buffalo, New York climate, average weather & temperatures
- New York, New York climate, average weather & temperatures
- Syracuse, New York climate, average weather & temperatures
North Carolina
- Asheville, North Carolina climate, average weather & temperatures
- Cape Hatteras, North Carolina climate, average weather & temperatures
- Wilmington, North Carolina climate, average weather & temperatures
North Dakota
- Bismarck, North Dakota climate, average weather & temperatures
- Fargo, North Dakota climate, average weather & temperatures
- Williston, North Dakota climate, average weather & temperatures
Ohio
- Cincinnati, Ohio climate, average weather & temperatures
- Cleveland, Ohio climate, average weather & temperatures
- Columbus, Ohio climate, average weather & temperatures
Oklahoma
- Oklahoma City, Oklahoma climate, average weather & temperatures
Oregon
- Burns, Oregon climate, average weather & temperatures
- North Bend, Oregon climate, average weather & temperatures
- Portland, Oregon climate, average weather & temperatures
Pennsylvania
- Harrisburg, Pennsylvania climate, average weather & temperatures
- Philadelphia, Pennsylvania climate, average weather & temperatures
- Pittsburgh, Pennsylvania climate, average weather & temperatures
South Carolina
- Columbia, South Carolina climate, average weather & temperatures
South Dakota
- Rapid City, South Dakota climate, average weather & temperatures
- Sioux Falls, South Dakota climate, average weather & temperatures
Tennessee
- Memphis, Tennessee climate, average weather & temperatures
- Nashville, Tennessee climate, average weather & temperatures
Texas
- Alpine, Texas climate, average weather & temperatures
- Amarillo, Texas climate, average weather & temperatures
- Brownsville, Texas climate, average weather & temperatures
- Dallas, Texas climate, average weather & temperatures
- El Paso, Texas climate, average weather & temperatures
- Houston, Texas climate, average weather & temperatures
- Laredo, Texas climate, average weather & temperatures
- Lubbock, Texas climate, average weather & temperatures
- San Angelo, Texas climate, average weather & temperatures
- San Antonio, Texas climate, average weather & temperatures
Utah
- Salt Lake City, Utah climate, average weather & temperatures
- Zion National Park, Utah climate, average weather & temperatures
Virginia
- Richmond, Virginia climate, average weather & temperatures
- Roanoke, Virginia climate, average weather & temperatures
Washington
- Seattle, Washington climate, average weather & temperatures
- Walla Walla, Washington climate, average weather & temperatures
Wisconsin
- Green Bay, Wisconsin climate, average weather & temperatures
- Madison, Wisconsin climate, average weather & temperatures
Wyoming
- Cheyenne, Wyoming climate, average weather & temperatures
- Lander, Wyoming climate, average weather & temperatures
- Yellowstone National Park, Wyoming climate, average weather & temperatures
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