Average Distribution of Dew Point Temperatures, January
United StatesPhysical EnvironmentAverage January dew points for the contiguous United States
natureA map displays the average distribution of dew point temperatures across North America in January, using different colors to represent various temperature ranges.
Less than 20 degrees Fahrenheit (Red): Covers most of the United States, excluding the southern and coastal areas, extending into Canada and northern Mexico. 20 degrees Fahrenheit (Blue): North Texas, Oklahoma, Arkansas, Tennessee, North Carolina, Kentucky, eastern Washington, Eastern Oregon, Idaho, and some part of Utah. 30 degrees Fahrenheit (Purple): Most of California along the coast, western Oregon, western Washington, central Texas, northern Louisiana, Alabama, Georgia, and South Coalinga. 40 degrees Fahrenheit (Orange): Covers parts of southern Texas, Louisiana, south of Georgia and north of Florida. 50 degrees Fahrenheit (Yellow): Southcentral region of Florida. 55 degrees Fahrenheit (Green): Restricted to the southern tip of Florida.
Less than 20°F | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | Tropical Cyclone Zones | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | 60–64°F | 65–70°F | More than 70°F | No Data | Very Low | Low | Moderately Low | Moderate | Moderately High | High | Very High | Extremely High | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.220% | 0.183% | 1.08% | 0.155% | 0.137% | 1.29% | 0.106% | |||||||||||||||||
Arizona | 32.8% | 60.8% | 2.30% | 3.28% | 52.5% | 1.52% | 4.55% | 1.19% | 0.139% | 10.8% | ||||||||||||||
Utah | 93.9% | 5.41% | 4.62% | 12.3% | 1.60% | 1.99% | 0.376% | 0.196% | 39.2% | |||||||||||||||
Yukon | 0.795% | 1.20% | 10.9% | 14.8% | 9.73% | |||||||||||||||||||
Northwest Territories | 1.90% | 10.9% | 5.41% | 21.2% | 8.33% | 0.275% | 0.935% | |||||||||||||||||
District of Columbia | 100% | 100% | 100% | |||||||||||||||||||||
Florida | 14.7% | 56.6% | 21.0% | 7.07% | 2.91% | 15.7% | 50.5% | 0.355% | 80.3% | |||||||||||||||
Idaho | 84.3% | 6.93% | 41.4% | 1.00% | 0.401% | 1.00% | 8.30% | |||||||||||||||||
New Hampshire | 100% | 51.0% | 48.6% | 80.8% | 16.8% | |||||||||||||||||||
Rhode Island | 3.92% | 40.8% | 3.92% | 94.9% | ||||||||||||||||||||
Vermont | 99.7% | 67.8% | 5.13% | 0.314% | 1.37% | |||||||||||||||||||
Washington | 29.2% | 45.9% | 22.8% | 1.69% | 1.65% | 13.3% | 8.97% | 9.78% | 0.487% | 0.874% | ||||||||||||||
Wyoming | 100% | 6.20% | 1.64% | 53.8% | 3.89% | 0.273% | 44.8% | 4.05% | ||||||||||||||||
Nunavut | 0.968% | 0.100% | 0.238% | 3.40% | ||||||||||||||||||||
Montana | 99.9% | 12.5% | 64.6% | 1.73% | 0.729% | 0.291% | 1.69% | |||||||||||||||||
Maine | 99.5% | 1.90% | 1.80% | 82.9% | 16.3% | |||||||||||||||||||
North Dakota | 100% | 7.69% | 68.5% | 22.9% | 9.96% | |||||||||||||||||||
Kentucky | 3.74% | 91.2% | 74.1% | 25.9% | 0.803% | |||||||||||||||||||
Nova Scotia | 4.31% | 0.376% | 7.89% | |||||||||||||||||||||
Virginia | 20.5% | 1.66% | 5.66% | 52.3% | 20.9% | 1.66% | 6.11% | |||||||||||||||||
Delaware | 99.1% | 70.5% | 28.7% | 21.0% | ||||||||||||||||||||
Prince Edward Island | 91.5% | |||||||||||||||||||||||
Saskatchewan | 0.919% | 28.6% | 8.52% | 1.02% | 0.695% | |||||||||||||||||||
Mississippi | 21.7% | 78.0% | 0.303% | 72.7% | 26.9% | 18.5% | ||||||||||||||||||
West Virginia | 67.8% | 31.4% | 18.6% | 7.46% | 21.1% | |||||||||||||||||||
Nebraska | 100% | 1.70% | 23.3% | 39.4% | 35.0% | 29.9% | 30.0% | |||||||||||||||||
Texas | 10.9% | 44.9% | 29.3% | 14.1% | 7.25% | 23.2% | 29.8% | 25.4% | 11.4% | 0.168% | 8.05% | |||||||||||||
Missouri | 80.4% | 18.4% | 79.9% | 3.80% | 5.67% | |||||||||||||||||||
Louisiana | 61.7% | 37.9% | 2.07% | 31.8% | 67.8% | 0.187% | ||||||||||||||||||
Hawaii | 0.296% | 0.586% | 1.76% | 0.911% | ||||||||||||||||||||
North Carolina | 84.2% | 3.43% | 0.888% | 1.46% | 1.28% | 68.8% | 42.1% | |||||||||||||||||
Oregon | 27.3% | 19.8% | 23.7% | 3.51% | 53.1% | 4.57% | 11.5% | 0.302% | 25.8% | 0.243% | ||||||||||||||
New Brunswick | 3.39% | 0.324% | 35.6% | |||||||||||||||||||||
Alabama | 29.3% | 1.30% | 94.8% | 3.85% | 17.9% | |||||||||||||||||||
New Mexico | 81.8% | 1.03% | 1.12% | 55.1% | 17.6% | 5.37% | 3.80% | 24.3% | ||||||||||||||||
Kansas | 96.6% | 3.36% | 1.72% | 30.3% | 60.6% | 7.43% | 12.6% | 48.2% | ||||||||||||||||
Wisconsin | 99.5% | 4.55% | 71.2% | 1.80% | 0.259% | 0.247% | ||||||||||||||||||
British Columbia | 0.147% | 1.12% | 0.594% | 2.88% | 2.80% | 3.66% | 10.6% | |||||||||||||||||
Newfoundland and Labrador | 5.13% | 0.109% | 0.201% | 1.56% | ||||||||||||||||||||
New Jersey | 73.8% | 25.8% | 35.4% | 64.3% | 1.93% | 0.357% | ||||||||||||||||||
South Carolina | 41.6% | 58.3% | 1.35% | 88.9% | 5.34% | 58.8% | ||||||||||||||||||
Michigan | 98.1% | 3.53% | 60.8% | 2.65% | 1.39% | 0.144% | ||||||||||||||||||
Alberta | 0.424% | 0.728% | 1.52% | 10.5% | 0.222% | 1.32% | 0.431% | |||||||||||||||||
Connecticut | 99.9% | 74.5% | 20.0% | 14.6% | 85.2% | |||||||||||||||||||
Pennsylvania | 99.4% | 4.44% | 3.41% | 11.0% | 33.7% | 0.565% | ||||||||||||||||||
Colorado | 100% | 1.05% | 16.7% | 24.1% | 17.7% | 35.7% | ||||||||||||||||||
Nevada | 73.6% | 6.36% | 8.38% | 55.6% | 2.02% | 0.344% | 12.9% | 76.5% | ||||||||||||||||
Massachusetts | 98.2% | 0.220% | 3.88% | 49.9% | 35.1% | 32.8% | 0.220% | |||||||||||||||||
Georgia | 26.7% | 54.5% | 18.7% | 9.84% | 70.8% | 17.4% | 0.544% | |||||||||||||||||
New York | 96.9% | 1.78% | 9.58% | 8.48% | 1.26% | 0.690% | 33.9% | 0.977% | ||||||||||||||||
Maryland | 34.3% | 32.0% | 12.3% | 72.0% | 14.7% | 1.80% | ||||||||||||||||||
Québec | 1.02% | 2.36% | 2.98% | 1.97% | 1.83% | 1.52% | ||||||||||||||||||
Manitoba | 0.786% | 11.3% | 36.2% | 21.9% | 0.653% | 4.68% | ||||||||||||||||||
Oklahoma | 17.8% | 81.3% | 2.09% | 6.06% | 3.01% | 9.12% | 1.67% | 0.437% | ||||||||||||||||
Tennessee | 100% | 3.53% | 55.1% | 2.12% | ||||||||||||||||||||
Ontario | 28.2% | 14.0% | 30.5% | 13.7% | 0.243% | |||||||||||||||||||
California | 10.8% | 23.3% | 1.46% | 2.22% | 24.7% | 1.17% | 2.39% | 0.438% | 1.08% | 5.44% | 13.5% | |||||||||||||
Arkansas | 79.0% | 21.0% | 7.28% | 3.52% | 1.05% | 25.3% | ||||||||||||||||||
South Dakota | 100% | 2.29% | 26.1% | 60.0% | 10.8% | 2.42% | 0.851% | 0.598% | ||||||||||||||||
Ohio | 96.3% | 3.50% | 36.5% | 1.25% | 0.316% | 1.15% | 1.29% | |||||||||||||||||
Indiana | 92.1% | 7.40% | 8.52% | 84.6% | 5.00% | 30.9% | ||||||||||||||||||
Minnesota | 100% | 16.6% | 59.4% | 18.8% | 11.2% | |||||||||||||||||||
Iowa | 100% | 3.40% | 95.4% | 10.5% | ||||||||||||||||||||
Illinois | 94.0% | 5.95% | 1.77% | 78.7% | 18.0% | 0.259% | ||||||||||||||||||