Wilmington weather in April: Wilmington, Delaware: normal highs, lows, rain and records for April
Wilmington in April has a normal high of 64°F and a normal low of 44°F, a daily mean of 54°F, rising from 59°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 3.51 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 6°C, 89 mm of precipitation and 0 cm of snow in April.
- NOAA stationWilmington Airport
- Station IDUSW00013781
- Location39.67°N 75.60°W
- Elevation79 ft (24 m)
- From the center6 miles
- Population73,176
- Jan 41° 26°
- Feb 44° 27°
- Mar 53° 34°
- Apr 64° 44°
- May 74° 53°
- Jun 82° 63°
- Jul 87° 68°
- Aug 85° 67°
- Sep 79° 59°
- Oct 67° 47°
- Nov 56° 37°
- Dec 46° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Wilmington in April?
The normal high is 64°F and the normal low 44°F, for a daily mean of 53.9°F. April is 10.7°F warmer than March and 9.6°F cooler than May. April is the 7th warmest month of the year in Wilmington and the 9th wettest. Across the month the normal high rises 10°F, from 59°F on April 1 to 69°F on April 30. From one year to the next April's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 52°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 59°F | 39°F | 37% | 22% |
| April 8 | 61°F | 41°F | 37% | 22% |
| April 15 | 64°F | 43°F | 38% | 22% |
| April 22 | 67°F | 46°F | 38% | 22% |
| April 30 | 69°F | 48°F | 38% | 22% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 59°F | 39°F | 37% | 22% | 12 h 40 min |
| April 2 | 59°F | 39°F | 37% | 22% | 12 h 40 min |
| April 3 | 59°F | 39°F | 37% | 22% | 12 h 40 min |
| April 4 | 60°F | 40°F | 37% | 22% | 12 h 40 min |
| April 5 | 60°F | 40°F | 37% | 22% | 12 h 50 min |
| April 6 | 61°F | 40°F | 37% | 22% | 12 h 50 min |
| April 7 | 61°F | 41°F | 37% | 22% | 12 h 50 min |
| April 8 | 61°F | 41°F | 37% | 22% | 12 h 50 min |
| April 9 | 62°F | 41°F | 37% | 22% | 13 h |
| April 10 | 62°F | 42°F | 37% | 22% | 13 h |
| April 11 | 63°F | 42°F | 37% | 22% | 13 h |
| April 12 | 63°F | 42°F | 37% | 22% | 13 h 10 min |
| April 13 | 63°F | 43°F | 37% | 22% | 13 h 10 min |
| April 14 | 64°F | 43°F | 38% | 22% | 13 h 10 min |
| April 15 | 64°F | 43°F | 38% | 22% | 13 h 10 min |
| April 16 | 65°F | 44°F | 38% | 22% | 13 h 20 min |
| April 17 | 65°F | 44°F | 38% | 22% | 13 h 20 min |
| April 18 | 65°F | 44°F | 38% | 22% | 13 h 20 min |
| April 19 | 66°F | 45°F | 38% | 22% | 13 h 20 min |
| April 20 | 66°F | 45°F | 38% | 22% | 13 h 20 min |
| April 21 | 66°F | 45°F | 38% | 22% | 13 h 30 min |
| April 22 | 67°F | 46°F | 38% | 22% | 13 h 30 min |
| April 23 | 67°F | 46°F | 38% | 22% | 13 h 30 min |
| April 24 | 68°F | 46°F | 38% | 22% | 13 h 30 min |
| April 25 | 68°F | 47°F | 38% | 22% | 13 h 40 min |
| April 26 | 68°F | 47°F | 38% | 22% | 13 h 40 min |
| April 27 | 68°F | 47°F | 38% | 22% | 13 h 40 min |
| April 28 | 69°F | 48°F | 38% | 22% | 13 h 40 min |
| April 29 | 69°F | 48°F | 38% | 22% | 13 h 50 min |
| April 30 | 69°F | 48°F | 38% | 22% | 13 h 50 min |
- Normal high
- 64°FApril average
- Normal low
- 44°FApril average
- Precipitation
- 3.51 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 0.1 inmonth total
- Nights at 32°F or colder
- 2
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 9
- Days at 80°F or more
- 2
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013781; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Wilmington in April?
On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 26 (38%). In all, 3.51 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in Wilmington, 2 nights fall to freezing and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013781.
What are the records for April in Wilmington?
The warmest April temperature on Wilmington's official record (since 1894) is 97°F, on April 18, 1896; the coldest is 11°F, on April 1, 1923. The wettest April brought 8.55 in (2007); the snowiest, 12.0 inches (1915).
The April mean against the 1991-2020 normal of 53.9°F: 2021 54.5°F (+0.6), 2022 53.1°F (−0.8), 2023 59.0°F (+5.1), 2024 55.1°F (+1.2), 2025 56.0°F (+2.1), 2026 57.6°F (+3.7). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.5°F | +0.6°F | 2.36 in |
| 2022 | 53.1°F | −0.8°F | 5.71 in |
| 2023 | 59.0°F | +5.1°F | 4.55 in |
| 2024 | 55.1°F | +1.2°F | 4.58 in |
| 2025 | 56.0°F | +2.1°F | 4.15 in |
| 2026 | 57.6°F | +3.7°F | 2.53 in |
Source: records: ACIS, NWS threaded record ILGthr; recent months: ACIS, station USW00013781. Records and recent months use complete months only.
How does April in Wilmington compare across Delaware?
Across the 6 places PlainClimate covers in Delaware, April normal highs run from 64°F in Wilmington to 67°F in Newark; Wilmington's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.