Least humid places in the US in December
Ranked by the lowest mean dew point in December (hourly normals; cities with an hourly station only). First: Fairbanks, AK (-7°F), of 343 cities.
| Rank | City | Mean dew point | High | Wet days |
|---|---|---|---|---|
| 1 | Fairbanks, AK | -7°F | 4°F | 9 |
| 2 | Grand Forks, ND | 10°F | 21°F | 8 |
| 3 | Fargo, ND | 11°F | 24°F | 10 |
| 4 | Steamboat Springs, CO | 11°F | 30°F | 14 |
| 5 | Keystone, SD | 11°F | 37°F | 5 |
| 6 | Duluth, MN | 12°F | 27°F | 7 |
| 7 | Bismarck, ND | 12°F | 28°F | 8 |
| 8 | Colorado Springs, CO | 13°F | 45°F | 4 |
| 9 | Aberdeen, SD | 13°F | 29°F | 7 |
| 10 | Cheyenne, WY | 13°F | 39°F | 6 |
| 11 | Anchorage, AK | 14°F | 25°F | 11 |
| 12 | Centennial, CO | 14°F | 44°F | 4 |
| 13 | Highlands Ranch, CO | 14°F | 42°F | 4 |
| 14 | Casper, WY | 14°F | 35°F | 7 |
| 15 | Great Falls, MT | 15°F | 36°F | 7 |
| 16 | Boulder, CO | 15°F | 46°F | 5 |
| 17 | Fort Collins, CO | 15°F | 44°F | 4 |
| 18 | Greeley, CO | 15°F | 43°F | 4 |
| 19 | Billings, MT | 15°F | 37°F | 6 |
| 20 | Gillette, WY | 15°F | 36°F | 7 |
| 21 | Arvada, CO | 15°F | 47°F | 5 |
| 22 | Denver, CO | 15°F | 46°F | 5 |
| 23 | Lakewood, CO | 15°F | 45°F | 5 |
| 24 | Pueblo, CO | 15°F | 48°F | 3 |
| 25 | Thornton, CO | 15°F | 46°F | 4 |
Which states lead
Colorado (12 of the top 25), North Dakota (3 of the top 25), Wyoming (3 of the top 25), then 4 more states. The top 25 range from -7°F to 15°F; the median across all 343 cities is 32°F.
The other end: most humid in December
- East Honolulu, HI66°F
- Lihue, HI65°F
- Key West, FL65°F
- Honolulu, HI65°F
- Hilo, HI65°F
Least humid places through the year
| Month | First place | Mean dew point |
|---|---|---|
| January | Fairbanks, AK | -7°F |
| February | Fairbanks, AK | -3°F |
| March | Fairbanks, AK | 2°F |
| April | Fairbanks, AK | 19°F |
| May | Flagstaff, AZ | 24°F |
| June | Flagstaff, AZ | 26°F |
| July | Reno, NV | 39°F |
| August | Reno, NV | 37°F |
| September | Reno, NV | 34°F |
| October | Fairbanks, AK | 20°F |
| November | Fairbanks, AK | 1°F |
| December | Fairbanks, AK | -7°F |
343 cities with data for this measure. Folded suburbs share their lead city's values and are not listed separately. Methodology.