Maryland weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Maryland's statewide normal high is 85°F and normal low 65°F; normal highs run from 78°F in Frostburg to 88°F in Vienna (NOAA 1991-2020 normals).
- Statewide normal high
- 85°FAugust, 1991-2020
- Statewide normal low
- 65°FAugust, 1991-2020
- Statewide normal precipitation
- 4.18 inAugust
- Warmest place
- 88°Fnormal high, Vienna
- Coolest place
- 78°Fnormal high, Frostburg
Where is Maryland warmest and wettest in August?
Vienna has the warmest August afternoons (88°F) and Frostburg the coolest (78°F). Salisbury gets the most precipitation (5.27 in) and Frederick the least (2.89 in).
Statewide, August averaged 77.1°F in 2021, 76.7°F in 2022, 75.0°F in 2023, 75.0°F in 2024, 71.6°F in 2025, 76.6°F in 2026, against a 1991-2020 normal of 74.8°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Baltimore | 87°F | 66°F | 4.09 | 0.0 |
| Frederick | 87°F | 66°F | 2.89 | – |
| Rockville | 85°F | 67°F | 3.05 | – |
| Hagerstown | 85°F | 66°F | 2.90 | – |
| Annapolis | 84°F | 71°F | 4.27 | – |
| Salisbury | 85°F | 66°F | 5.27 | 0.0 |
| Laurel | 87°F | 68°F | 3.80 | – |
| Beltsville | 86°F | 66°F | 3.88 | 0.0 |
| Cumberland | 85°F | 63°F | 3.40 | 0.0 |
| Oxon Hill | 87°F | 67°F | 4.16 | – |
| Aberdeen | 84°F | 66°F | 4.21 | – |
| Damascus | 83°F | 65°F | 4.18 | 0.0 |
| Glenn Dale | 87°F | 65°F | – | – |
| Stevensville | 85°F | 69°F | 4.35 | – |
| Frostburg | 78°F | 58°F | 3.55 | 0.0 |
| Ocean City | 83°F | 67°F | 3.83 | – |
| Chestertown | 85°F | 67°F | 3.56 | 0.0 |
| Smithsburg | 84°F | 61°F | – | – |
| Emmitsburg | 84°F | 62°F | 3.53 | 0.0 |
| Snow Hill | 87°F | 67°F | 4.80 | 0.0 |
| Solomons | 86°F | 71°F | – | – |
| Oakland | 80°F | 58°F | 4.33 | 0.0 |
| Mechanicsville | 83°F | 64°F | 4.84 | 0.0 |
| Upper Marlboro | 86°F | 65°F | 4.12 | 0.0 |
| Sharpsburg | 85°F | 61°F | 3.27 | – |
| Vienna | 88°F | 67°F | – | – |
| Annapolis Police Barracks | 86°F | 70°F | – | – |
| Assateague | 85°F | 68°F | 4.20 | 0.0 |
| Catoctin Mountain Park | 81°F | 63°F | 4.03 | – |
| Conowingo Dam | 85°F | 67°F | 4.54 | – |
| Cylburn | 84°F | 67°F | – | – |
| Dalecarlia Reservoir | 86°F | 66°F | 4.42 | 0.0 |
| Maryland Science Center Baltimore | 87°F | 71°F | 4.35 | – |
| Millers (4 mi NE) | 83°F | 63°F | 4.19 | 0.0 |
| National Arboretum DC | 88°F | 69°F | 3.67 | 0.0 |
| Patuxent River Naval Air Station | 85°F | 69°F | 4.66 | 0.0 |
| Royal Oak (2 mi SSW) | 86°F | 68°F | 4.78 | 0.0 |
| Savage River Dam | 80°F | 59°F | 3.46 | – |
| Sines Deep Creek | 76°F | 55°F | – | – |
| St Inigoes Webster NOLF | 85°F | 68°F | 4.56 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.