Delaware weather in January: Statewide normals and every place, NOAA 1991-2020
In January, Delaware's statewide normal high is 44°F and normal low 27°F; normal highs run from 41°F in Wilmington to 46°F in Lewes (NOAA 1991-2020 normals).
- Statewide normal high
- 44°FJanuary, 1991-2020
- Statewide normal low
- 27°FJanuary, 1991-2020
- Statewide normal precipitation
- 3.35 inJanuary
- Warmest place
- 46°Fnormal high, Lewes
- Coolest place
- 41°Fnormal high, Wilmington
Where is Delaware warmest and wettest in January?
Lewes has the warmest January afternoons (46°F) and Wilmington the coolest (41°F). Greenwood gets the most precipitation (3.61 in) and Georgetown the least (3.01 in). The most snow falls in Wilmington (6.1 inches).
Statewide, January averaged 36.2°F in 2021, 31.6°F in 2022, 43.1°F in 2023, 37.5°F in 2024, 30.0°F in 2025, 31.1°F in 2026, against a 1991-2020 normal of 35.2°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Wilmington | 41°F | 26°F | 3.23 | 6.1 |
| Dover | 44°F | 28°F | 3.43 | 4.1 |
| Newark | 43°F | 25°F | 3.43 | – |
| Georgetown | 45°F | 29°F | 3.01 | – |
| Lewes | 46°F | 30°F | 3.38 | 2.0 |
| Greenwood | 44°F | 25°F | 3.61 | 3.3 |
| Wilmington Porter Research | 38°F | 24°F | 3.67 | 5.3 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.