# Counties in Maryland by average annual temperature, 2025

All 24 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `average_temperature_annual`
- Unit: °F
- Definition: Mean air temperature from January to December, in degrees Fahrenheit: the average of the 12 monthly mean temperatures. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December average temperature, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/average-annual-temperature/maryland-counties

| Rank | Place | °F |
|---:|---|---:|
| 1 | Charles County | 58.1 |
| 2 | Somerset County | 57.9 |
| 3 | St. Mary's County | 57.5 |
| 4 | Dorchester County | 57.4 |
| 4 | Worcester County | 57.4 |
| 6 | Calvert County | 57.3 |
| 7 | Anne Arundel County | 57.2 |
| 8 | Baltimore city | 57.1 |
| 8 | Talbot County | 57.1 |
| 10 | Prince George's County | 57 |
| 10 | Wicomico County | 57 |
| 12 | Caroline County | 56.6 |
| 13 | Queen Anne's County | 56.5 |
| 14 | Kent County | 56.1 |
| 15 | Montgomery County | 55.7 |
| 16 | Baltimore County | 55.1 |
| 16 | Harford County | 55.1 |
| 16 | Howard County | 55.1 |
| 19 | Cecil County | 55 |
| 20 | Frederick County | 54.5 |
| 21 | Washington County | 54 |
| 22 | Carroll County | 53.9 |
| 23 | Allegany County | 52.9 |
| 24 | Garrett County | 49.3 |