Average Temperature by County
Average temperature across the year, 1991 to 2020. This is an area average over the whole county, so a county holding both a city and a mountain range reads cooler than its city does.
See Average Temperature on the interactive map →
Highest counties
| County | Average Temperature |
|---|---|
| Monroe County, Florida | 76.7°F |
| Miami-Dade County, Florida | 76.3°F |
| Broward County, Florida | 75.9°F |
| Collier County, Florida | 75.4°F |
| Palm Beach County, Florida | 75.1°F |
| Hidalgo County, Texas | 75.1°F |
| Lee County, Florida | 74.9°F |
| Cameron County, Texas | 74.9°F |
| Starr County, Texas | 74.8°F |
| Hendry County, Florida | 74.7°F |
| Martin County, Florida | 74.5°F |
| Willacy County, Texas | 74.5°F |
Lowest counties
| County | Average Temperature |
|---|---|
| North Slope Borough, Alaska | 16.2°F |
| Northwest Arctic Borough, Alaska | 23.1°F |
| Southeast Fairbanks Census Area, Alaska | 25.2°F |
| Copper River Census Area, Alaska | 25.3°F |
| Nome Census Area, Alaska | 25.8°F |
| Yukon-Koyukuk Census Area, Alaska | 26.0°F |
| Denali Borough, Alaska | 26.9°F |
| Fairbanks North Star Borough, Alaska | 28.1°F |
| Matanuska-Susitna Borough, Alaska | 29.4°F |
| Kusilvak Census Area, Alaska | 30.2°F |
| Skagway Municipality, Alaska | 30.7°F |
| Bethel Census Area, Alaska | 31.4°F |