Delaware weather in May: Statewide normals and every place, NOAA 1991-2020
In May, Delaware's statewide normal high is 74°F and normal low 53°F; normal highs run from 73°F in Greenwood to 76°F in Newark (NOAA 1991-2020 normals).
- Statewide normal high
- 74°FMay, 1991-2020
- Statewide normal low
- 53°FMay, 1991-2020
- Statewide normal precipitation
- 3.58 inMay
- Warmest place
- 76°Fnormal high, Newark
- Coolest place
- 73°Fnormal high, Greenwood
Where is Delaware warmest and wettest in May?
Newark has the warmest May afternoons (76°F) and Greenwood the coolest (73°F). Dover gets the most precipitation (3.89 in) and Lewes the least (3.38 in).
Statewide, May averaged 63.3°F in 2021, 65.1°F in 2022, 61.4°F in 2023, 65.0°F in 2024, 64.8°F in 2025, 64.2°F in 2026, against a 1991-2020 normal of 63.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Wilmington | 74°F | 53°F | 3.57 | 0.0 |
| Dover | 74°F | 54°F | 3.89 | 0.0 |
| Newark | 76°F | 52°F | 3.63 | – |
| Georgetown | 75°F | 55°F | 3.63 | – |
| Lewes | 75°F | 56°F | 3.38 | 0.0 |
| Greenwood | 73°F | 52°F | 3.67 | 0.0 |
| Wilmington Porter Research | 71°F | 52°F | 3.76 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.