Wilmington, DE weather in June
In June, Wilmington sees highs around 82°F and lows around 63°F: warm and often humid, with frequent rain. Expect about 11 wet days. Good for outdoor plans.
- Normal high
- 82°F
- Normal low
- 63°F
- Wet days
- 11
- 4.7 in total
- Muggy days
- 9
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 78°F | 86°F |
| Normal low | 59°F | 67°F |
| Chance of a wet day | 37% | 34% |
| Sunrise / sunset | 5:36 am / 8:23 pm | 5:37 am / 8:34 pm |
| Daylight | 14.8 h | 14.9 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 June day
- 6 am68°Fdew point 61°F
- 9 am74°Fdew point 60°F
- Noon79°Fdew point 60°F
- 3 pm81°Fdew point 59°F
- 6 pm79°Fdew point 60°F
- 9 pm73°Fdew point 61°F
NOAA hourly normals (local standard time) from Philadelphia Intl Airport (19 mi away); average wind 9 mph; clear or few clouds in 64% of daytime hours, mostly cloudy or overcast in 28%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph13 of 30
- Hot dayshigh 90°F or more4 of 30
- Muggy daysdaily mean dew point 65°F or more9 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 below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 4.7 in; a dry June brings about 2.3 in and a wet one about 5.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How June varies from year to year
- Warmest June, 1991-20202010: average high 87°F
- Coolest June2003: average high 77°F
- Wettest June2013: 13.7 in
- Driest June1995: 1.4 in
- Highest reading100°F (June 19, 1994)
- Lowest reading45°F (June 2, 2003)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 74°F | 82°F | 87°F |
| Normal low | 53°F | 63°F | 68°F |
| Wet days | 12 | 11 | 10 |
| Comfortable days | 16 | 7 | 2 |
| Daylight | 14.4 h | 14.9 h | 14.7 h |
Highs change by +8°F from May and +5°F into July.
Nearby alternatives in June
- Cooler: Montauk, NY209 mi · high 74°F · 10 wet days
How Wilmington ranks in June
- Normal high207th warmest of 378 cities; 2nd of 2 in Delaware
- Wet days244th driest of 378
- Comfortable days155th most of 340
What to pack for Wilmington in June
- A rain jacket or umbrella – rain on about 11 days
- A swimsuit – about 13 beach days
- Sunglasses and sunscreen – about 14.9 hours of daylight and highs near 82°F
Heating and cooling
June has 13 heating degree days and 241 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Wilmington in June?
The normal high is 82°F and the normal low is 63°F. From 1991 to 2020 the hottest June reading was 100°F (June 19, 1994).
Does it rain a lot in Wilmington in June?
About 11 days in June have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest June in 1991-2020 was in 2013 (13.7 in); the driest was in 1995 (1.4 in).
Is June a good time to visit Wilmington?
June ranks 5th of 12 months on our comfort score for Wilmington (61 out of 100). It has about 7 comfortable days and about 4 days at 90°F or hotter. 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.