NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1990
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Maryland (Hover over a County)
TempAverage Temperature:
Rank:
Anomaly:
Mean:
County | Value | Rank 131 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Allegany County | 51.1°F | 84 | 0.8°F | 50.4°F |
| Anne Arundel County | 55.4°F | 96 | 1.6°F | 53.8°F |
| Baltimore County | 53.5°F | 101 | 1.9°F | 51.6°F |
| Calvert County | 55.4°F | 93 | 1.4°F | 54.0°F |
| Caroline County | 54.5°F | 90 | 1.5°F | 53.0°F |
| Carroll County | 52.1°F | 95 | 1.5°F | 50.6°F |
| Cecil County | 53.1°F | 95 | 1.3°F | 51.7°F |
| Charles County | 55.8°F | 93 | 1.3°F | 54.4°F |
| Dorchester County | 55.4°F | 93 | 1.5°F | 53.8°F |
| Frederick County | 52.8°F | 96 | 1.5°F | 51.3°F |
| Garrett County | 47.0°F | 79 | 0.8°F | 46.2°F |
| Harford County | 53.1°F | 95 | 1.3°F | 51.8°F |
| Howard County | 53.6°F | 101 | 1.9°F | 51.7°F |
| Kent County | 54.3°F | 95 | 1.4°F | 52.9°F |
| Montgomery County | 53.9°F | 97 | 1.6°F | 52.3°F |
| Prince George's County | 55.3°F | 99 | 1.5°F | 53.8°F |
| Queen Anne's County | 54.5°F | 95 | 1.4°F | 53.1°F |
| St. Mary's County | 55.8°F | 93 | 1.4°F | 54.3°F |
| Somerset County | 55.6°F | 94 | 1.6°F | 54.0°F |
| Talbot County | 54.9°F | 87 | 1.1°F | 53.8°F |
| Washington County | 52.5°F | 94 | 1.4°F | 51.1°F |
| Wicomico County | 55.1°F | 96 | 1.7°F | 53.4°F |
| Worcester County | 54.7°F | 95 | 1.7°F | 53.0°F |
| Baltimore City | 55.3°F | 103 | 2.1°F | 53.2°F |
| Washington, DC | 55.5°F | 99 | 1.5°F | 54.0°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
