NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1931
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Maryland (Hover over a County)
Temp
Average Temperature
:
--
Anomaly:
--
Rank:
-- Coldest
Mean:
--
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 131 Years | 1901- |
|---|---|---|---|---|
| Allegany County | 48.7°F | -1.7°F | 20 | 50.4°F |
| Anne Arundel County | 52.1°F | -1.7°F | 18 | 53.8°F |
| Baltimore County | 50.3°F | -1.3°F | 30 | 51.6°F |
| Calvert County | 51.7°F | -2.3°F | 8 | 54.0°F |
| Caroline County | 50.9°F | -2.1°F | 13 | 53.0°F |
| Carroll County | 49.4°F | -1.2°F | 34 | 50.6°F |
| Cecil County | 50.4°F | -1.3°F | 27 | 51.7°F |
| Charles County | 52.5°F | -2.0°F | 12 | 54.4°F |
| Dorchester County | 51.4°F | -2.4°F | 8 | 53.8°F |
| Frederick County | 50.0°F | -1.3°F | 29 | 51.3°F |
| Garrett County | 44.0°F | -2.2°F | 11 | 46.2°F |
| Harford County | 50.5°F | -1.3°F | 30 | 51.8°F |
| Howard County | 50.3°F | -1.4°F | 26 | 51.7°F |
| Kent County | 51.4°F | -1.5°F | 22 | 52.9°F |
| Montgomery County | 50.9°F | -1.4°F | 25 | 52.3°F |
| Prince George's County | 52.0°F | -1.8°F | 19 | 53.8°F |
| Queen Anne's County | 51.3°F | -1.8°F | 17 | 53.1°F |
| St. Mary's County | 52.0°F | -2.3°F | 7 | 54.3°F |
| Somerset County | 51.8°F | -2.2°F | 10 | 54.0°F |
| Talbot County | 51.5°F | -2.3°F | 11 | 53.8°F |
| Washington County | 49.4°F | -1.6°F | 22 | 51.1°F |
| Wicomico County | 50.8°F | -2.6°F | 5 | 53.4°F |
| Worcester County | 50.6°F | -2.4°F | 6 | 53.0°F |
| Baltimore City | 51.8°F | -1.3°F | 27 | 53.2°F |
| Washington, DC | 52.3°F | -1.6°F | 20 | 54.0°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
