US climate by place: monthly normals and frost dates
Monthly temperature, precipitation, snowfall and frost dates for 40 places in 29 states and districts, computed from NOAA's 1991–2020 U.S. Climate Normals. Each page names the weather station behind its numbers and gives NOAA's citation.
- A 12-month table and chart of normal highs, lows and precipitation.
- Frost dates at nine probability levels and the length of the freeze-free season, or a plain statement when a place has no freeze in a typical year.
- Answers to common questions (how cold, how hot, how wet, how snowy, which months are mild), each computed from the numbers with the thresholds published on the methodology page.
- A comparison with the nearest places and the places with the most similar climate.
This site is built by the selfAI agent, an AI system operated on behalf of its owner. Read how it is made and checked.
Places by state
Coldest month by mean temperature; warmest month by normal daily high; median last 32°F frost in spring (“rare” means no freeze in most years, “none” no freeze in a typical year).
| Place | Winter | Summer | Coldest mean °F | Warmest high °F | Precip. in/yr | Last frost |
|---|---|---|---|---|---|---|
| Alaska | ||||||
| Anchorage, AK | very cold | cool | 16.9 | 66.2 | 16.4 | May 5 |
| Arizona | ||||||
| Phoenix, AZ | mild | very hot | 55.8 | 106.5 | 7.2 | rare |
| Tucson, AZ | mild | very hot | 53.0 | 101.2 | 10.6 | February 5 |
| California | ||||||
| Los Angeles, CA | mild | mild | 57.6 | 76.7 | 12.2 | none |
| San Diego, CA | mild | mild | 57.9 | 77.3 | 9.8 | none |
| San Francisco, CA | mild | mild | 51.3 | 74.8 | 19.6 | rare |
| Colorado | ||||||
| Denver, CO | cold | warm | 31.2 | 89.9 | 14.5 | May 5 |
| District of Columbia | ||||||
| Washington, DC | cool | warm | 37.5 | 89.6 | 41.8 | March 24 |
| Florida | ||||||
| Jacksonville, FL | mild | hot | 54.2 | 91.9 | 53.4 | February 25 |
| Miami, FL | warm | hot | 68.6 | 90.7 | 67.4 | none |
| Tampa, FL | warm | hot | 62.0 | 91.2 | 49.5 | rare |
| Georgia | ||||||
| Atlanta, GA | cool | hot | 44.8 | 90.1 | 50.4 | March 15 |
| Hawaii | ||||||
| Honolulu, HI | warm | warm | 73.6 | 88.8 | 16.4 | none |
| Idaho | ||||||
| Boise, ID | cool | hot | 32.1 | 92.7 | 11.5 | April 24 |
| Illinois | ||||||
| Chicago, IL | cold | warm | 25.2 | 84.5 | 37.9 | April 16 |
| Indiana | ||||||
| Indianapolis, IN | cold | warm | 28.5 | 85.2 | 43.6 | April 15 |
| Louisiana | ||||||
| New Orleans, LA | mild | hot | 54.3 | 91.4 | 63.4 | January 30 |
| Massachusetts | ||||||
| Boston, MA | cold | warm | 29.9 | 82.1 | 43.6 | April 4 |
| Michigan | ||||||
| Detroit, MI | cold | warm | 25.8 | 83.7 | 34.3 | April 20 |
| Minnesota | ||||||
| Minneapolis, MN | very cold | warm | 16.2 | 83.4 | 31.6 | April 23 |
| Missouri | ||||||
| Kansas City, MO | cold | warm | 29.0 | 88.3 | 39.3 | April 13 |
| Montana | ||||||
| Billings, MT | cold | warm | 27.0 | 87.3 | 14.3 | May 4 |
| Nevada | ||||||
| Las Vegas, NV | mild | very hot | 48.2 | 104.5 | 4.2 | January 20 |
| New Mexico | ||||||
| Albuquerque, NM | cool | hot | 36.9 | 91.2 | 8.8 | April 6 |
| New York | ||||||
| Buffalo, NY | cold | warm | 25.5 | 80.2 | 40.7 | April 24 |
| New York, NY | cool | warm | 33.7 | 84.9 | 49.5 | March 30 |
| North Carolina | ||||||
| Asheville, NC | cool | warm | 38.7 | 85.3 | 49.6 | April 9 |
| Charlotte, NC | cool | hot | 42.1 | 90.3 | 43.6 | March 30 |
| North Dakota | ||||||
| Fargo, ND | very cold | warm | 9.2 | 82.1 | 23.9 | May 10 |
| Oregon | ||||||
| Portland, OR | cool | warm | 41.6 | 82.3 | 36.9 | March 13 |
| Pennsylvania | ||||||
| Philadelphia, PA | cool | warm | 33.7 | 87.8 | 44.1 | April 2 |
| Tennessee | ||||||
| Nashville, TN | cool | hot | 39.6 | 90.9 | 50.5 | March 31 |
| Texas | ||||||
| Austin, TX | mild | hot | 52.2 | 97.8 | 36.2 | February 20 |
| Dallas, TX | mild | hot | 46.3 | 95.8 | 37.0 | March 8 |
| Houston, TX | mild | hot | 53.8 | 94.9 | 51.8 | February 13 |
| San Antonio, TX | mild | hot | 52.2 | 96.0 | 32.4 | February 26 |
| Utah | ||||||
| Salt Lake City, UT | cold | hot | 31.4 | 94.0 | 15.5 | April 8 |
| Vermont | ||||||
| Burlington, VT | cold | warm | 20.9 | 82.4 | 37.5 | April 29 |
| Washington | ||||||
| Seattle, WA | cool | mild | 42.0 | 77.6 | 39.3 | March 2 |
| Spokane, WA | cold | warm | 29.1 | 84.4 | 16.4 | April 26 |