Maryland weather in May: Statewide normals and every place, NOAA 1991-2020
In May, Maryland's statewide normal high is 74°F and normal low 53°F; normal highs run from 68°F in Frostburg to 78°F in Snow Hill (NOAA 1991-2020 normals).
- Statewide normal high
- 74°FMay, 1991-2020
- Statewide normal low
- 53°FMay, 1991-2020
- Statewide normal precipitation
- 4.03 inMay
- Warmest place
- 78°Fnormal high, Snow Hill
- Coolest place
- 68°Fnormal high, Frostburg
Where is Maryland warmest and wettest in May?
Snow Hill has the warmest May afternoons (78°F) and Frostburg the coolest (68°F). Oakland gets the most precipitation (5.34 in) and Annapolis the least (3.15 in).
Statewide, May averaged 62.2°F in 2021, 64.6°F in 2022, 60.9°F in 2023, 65.9°F in 2024, 64.6°F in 2025, 62.9°F in 2026, against a 1991-2020 normal of 63.4°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Baltimore | 76°F | 53°F | 3.85 | 0.0 |
| Frederick | 77°F | 55°F | 3.99 | – |
| Rockville | 74°F | 55°F | 3.55 | – |
| Hagerstown | 74°F | 55°F | 3.55 | – |
| Annapolis | 73°F | 57°F | 3.15 | – |
| Salisbury | 74°F | 53°F | 3.73 | 0.0 |
| Laurel | 76°F | 55°F | 4.41 | – |
| Beltsville | 74°F | 54°F | 4.27 | 0.0 |
| Cumberland | 75°F | 51°F | 4.22 | 0.0 |
| Oxon Hill | 76°F | 55°F | 4.45 | – |
| Aberdeen | 73°F | 53°F | 3.98 | – |
| Damascus | 73°F | 53°F | 4.35 | 0.0 |
| Glenn Dale | 75°F | 51°F | – | – |
| Stevensville | 73°F | 56°F | 4.24 | – |
| Frostburg | 68°F | 47°F | 5.18 | 0.0 |
| Ocean City | 70°F | 53°F | 3.76 | – |
| Chestertown | 74°F | 55°F | 3.88 | 0.0 |
| Smithsburg | 72°F | 49°F | – | – |
| Emmitsburg | 72°F | 51°F | 4.31 | 0.0 |
| Snow Hill | 78°F | 56°F | 3.65 | 0.0 |
| Solomons | 74°F | 58°F | – | – |
| Oakland | 70°F | 48°F | 5.34 | 0.0 |
| Mechanicsville | 74°F | 52°F | 4.32 | 0.0 |
| Upper Marlboro | 75°F | 54°F | 4.11 | 0.0 |
| Sharpsburg | 74°F | 49°F | 4.57 | – |
| Vienna | 78°F | 54°F | – | – |
| Annapolis Police Barracks | 77°F | 57°F | – | – |
| Assateague | 72°F | 54°F | 3.20 | 0.0 |
| Catoctin Mountain Park | 73°F | 52°F | 4.88 | – |
| Conowingo Dam | 74°F | 54°F | 3.86 | – |
| Cylburn | 73°F | 55°F | – | – |
| Dalecarlia Reservoir | 76°F | 54°F | 4.44 | 0.0 |
| Maryland Science Center Baltimore | 76°F | 58°F | 3.39 | – |
| Millers (4 mi NE) | 73°F | 51°F | 3.96 | 0.0 |
| National Arboretum DC | 77°F | 57°F | 4.32 | 0.0 |
| Patuxent River Naval Air Station | 75°F | 57°F | 3.66 | 0.0 |
| Royal Oak (2 mi SSW) | 75°F | 56°F | 3.95 | 0.0 |
| Savage River Dam | 69°F | 47°F | 4.58 | – |
| Sines Deep Creek | 68°F | 44°F | – | – |
| St Inigoes Webster NOLF | 75°F | 57°F | 3.92 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.