Wilmington weather in June: Wilmington, Delaware: normal highs, lows, rain and records for June

Wilmington in June has a normal high of 82°F and a normal low of 63°F, a daily mean of 73°F, rising from 78°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 11 days in a normal June, 4.67 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 28°C and low of 17°C, 119 mm of precipitation in June.

  • NOAA stationWilmington Airport
  • Station IDUSW00013781
  • Location39.67°N 75.60°W
  • Elevation79 ft (24 m)
  • From the center6 miles
  • Population73,176
  1. Jan 41° 26°
  2. Feb 44° 27°
  3. Mar 53° 34°
  4. Apr 64° 44°
  5. May 74° 53°
  6. Jun 82° 63°
  7. Jul 87° 68°
  8. Aug 85° 67°
  9. Sep 79° 59°
  10. Oct 67° 47°
  11. Nov 56° 37°
  12. 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 June?

The normal high is 82°F and the normal low 63°F, for a daily mean of 72.6°F. June is 9.1°F warmer than May and 5.0°F cooler than July. June is the 3rd warmest month of the year in Wilmington and the wettest. Across the month the normal high rises 8°F, from 78°F on June 1 to 86°F on June 30. From one year to the next June's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Junes in three average between 71°F and 74°F.

Wilmington in June, day by day: normal high and low

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 37%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 178°F59°F37%23%
June 880°F61°F36%23%
June 1582°F63°F36%23%
June 2284°F65°F35%22%
June 3086°F67°F33%21%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
Wilmington: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 178°F59°F37%23%14 h 50 min
June 278°F59°F37%23%14 h 50 min
June 378°F59°F37%23%14 h 50 min
June 479°F60°F37%23%14 h 50 min
June 579°F60°F37%23%14 h 50 min
June 679°F60°F37%23%14 h 50 min
June 780°F61°F36%23%14 h 50 min
June 880°F61°F36%23%14 h 50 min
June 980°F61°F36%23%14 h 50 min
June 1081°F61°F36%23%14 h 50 min
June 1181°F62°F36%23%15 h
June 1281°F62°F36%23%15 h
June 1382°F62°F36%23%15 h
June 1482°F63°F36%23%15 h
June 1582°F63°F36%23%15 h
June 1683°F63°F36%23%15 h
June 1783°F64°F36%23%15 h
June 1883°F64°F35%22%15 h
June 1983°F64°F35%22%15 h
June 2084°F65°F35%22%15 h
June 2184°F65°F35%22%15 h
June 2284°F65°F35%22%15 h
June 2385°F65°F35%22%15 h
June 2485°F66°F34%22%15 h
June 2585°F66°F34%22%15 h
June 2685°F66°F34%22%15 h
June 2785°F66°F34%22%15 h
June 2886°F67°F34%22%15 h
June 2986°F67°F33%21%15 h
June 3086°F67°F33%21%15 h
Normal high
82°FJune average
Normal low
63°FJune average
Precipitation
4.67 inmonth total
Days with precipitation
110.01 inch or more
Days at 90°F or more
4
Daylight
14 h 50 min to 15 hJune 1 to June 30
Days at 70°F or more
29
Days at 80°F or more
21
Sunshine
78%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 in Wilmington in June?

On a given June day the chance of 0.01 inch or more is 35% on average, highest around June 1 (37%). In all, 4.67 in falls on 11 days of a normal June, 1 of them with an inch or more.

In a normal June in Wilmington, 4 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013781.

What are the records for June in Wilmington?

The warmest June temperature on Wilmington's official record (since 1894) is 102°F, on June 24, 1894; the coldest is 40°F, on June 1, 1945. The wettest June brought 13.66 in (2013).

The June mean against the 1991-2020 normal of 72.6°F: 2021 73.8°F (+1.2), 2022 72.2°F (−0.4), 2023 71.3°F (−1.3), 2024 74.5°F (+1.9), 2025 74.9°F (+2.3), 2026 74.0°F (+1.4). 4 of 6 ran warmer than normal.

Wilmington: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202173.8°F+1.2°F1.96 in
202272.2°F−0.4°F4.58 in
202371.3°F−1.3°F11.91 in
202474.5°F+1.9°F6.50 in
202574.9°F+2.3°F3.95 in
202674.0°F+1.4°F3.35 in

Source: records: ACIS, NWS threaded record ILGthr; recent months: ACIS, station USW00013781. Records and recent months use complete months only.

How does June in Wilmington compare across Delaware?

Across the 6 places PlainClimate covers in Delaware, June normal highs run from 82°F in Greenwood to 84°F in Newark; Wilmington's is 82°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places