Wilmington, DE weather in April
Expect cool weather with frequent rain in Wilmington in April, with highs near 64°F and lows near 44°F. Rain falls on about 11 days. Good for outdoor plans.
- Normal high
- 64°F
- Normal low
- 44°F
- Wet days
- 11
- 3.5 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 59°F | 69°F |
| Normal low | 39°F | 48°F |
| Chance of a wet day | 37% | 38% |
| Sunrise / sunset | 6:46 am / 7:25 pm | 6:03 am / 7:55 pm |
| Daylight | 12.7 h | 13.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am48°Fdew point 39°F
- 9 am54°Fdew point 39°F
- Noon60°Fdew point 39°F
- 3 pm63°Fdew point 39°F
- 6 pm60°Fdew point 38°F
- 9 pm54°Fdew point 39°F
NOAA hourly normals (local standard time) from Philadelphia Intl Airport (19 mi away); average wind 10 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 36%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph1 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below2 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 3.5 in; a dry April brings about 2.4 in and a wet one about 4.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.1 in.
How April varies from year to year
- Warmest April, 1991-20201994: average high 70°F
- Coolest April2007: average high 60°F
- Wettest April2007: 8.6 in
- Driest April2001: 1.4 in
- Highest reading92°F (April 17, 2002)
- Lowest reading24°F (April 4, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 53°F | 64°F | 74°F |
| Normal low | 34°F | 44°F | 53°F |
| Wet days | 11 | 11 | 12 |
| Comfortable days | 4 | 12 | 16 |
| Daylight | 12.0 h | 13.3 h | 14.4 h |
Highs change by +11°F from March and +10°F into May.
Nearby alternatives in April
- Warmer: Williamsburg, VA182 mi · high 70°F · 10 wet days
- Cooler: Stamford, CT139 mi · high 59°F · 11 wet days
How Wilmington ranks in April
- Normal high224th warmest of 378 cities; 2nd of 2 in Delaware
- Wet days261st driest of 378
- Comfortable days169th most of 340
What to pack for Wilmington in April
- A rain jacket or umbrella – rain on about 11 days
Frost in April
The last spring frost typically comes around Apr 7; in 1 year in 10 it comes after Apr 24. All frost dates for Wilmington.
Heating and cooling
April has 347 heating degree days and 13 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Wilmington in April?
The normal high is 64°F and the normal low is 44°F. From 1991 to 2020 the coldest April reading was 24°F (most recently on April 4, 2013).
Does it rain a lot in Wilmington in April?
About 11 days in April have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest April in 1991-2020 was in 2007 (8.6 in); the driest was in 2001 (1.4 in).
Does it snow in Wilmington in April?
Yes. Normal snowfall in April is 0.1 in.
Is April a good time to visit Wilmington?
April ranks 2nd of 12 months on our comfort score for Wilmington (66 out of 100). It has about 12 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Wilmington New Castle Co Airport (USW00013781), 5.8 mi SSW of the city center, 79 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Wilmington Porter Rsch (USC00079605), 1.9 mi N of the city center, 270 ft (179 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Philadelphia Intl Airport (USW00013739), 19 mi ENE of the city center, 10 ft (81 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Millville Muni Airport (USW00013735), 37 mi SE of the city center, 70 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Philadelphia International Airport (724080-13739), 19 mi ENE of the city center, 7 ft (84 ft lower than the city). Hourly observations, 1991-2020.