Wilmington, Delaware, United States Climate

Weather: 13.1°C/55.58°F, Wind SW at 4.63 km/h, 72% Humidity, 0.12% Chance of rain

United States
(Photo by Pamela Huber on Unsplash)
Contents

Wilmington Climate Summary

Located at an elevation of 30.29 meters (99.38 feet) above sea level, Wilmington has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 15.04ºC (59.07ºF) and it is 2.4% higher than United States’s averages. Wilmington typically receives about 46.12 millimeters (1.82 inches) of precipitation and has 45.63 rainy days (12.5% of the time) annually.

CountryUnited States
CityDelaware
Longitude-75.5483909
Latitude39.744655
Attitude/Elevation30.29m (99.38ft)
Local timeFriday 22:05
Annual high temperature17.86ºC (64.15ºF)
Annual low temperature10.38ºC (50.68ºF)
Average annual precip.46.12mm (1.82in)
Warmest monthJuly (31.49ºC / 88.68ºF)
Coldest MonthJanuary (-1.82ºC / 28.72ºF)
Wettest MonthAugust (69.52mm / 2.74in)
Driest MonthJanuary (30.54mm / 1.2in)
Number of days with rainfall (≥ 1.0 mm)45.63 days (12.5%)
Days with no rain319.37 days (87.5%)
Humidity68.06%

Climate Wilmington: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)19.0(66.2)24.0(75.2)23.0(73.4)27.0(80.6)32.0(89.6)37.0(98.6)38.0(100.4)35.0(95.0)36.0(96.8)32.0(89.6)24.0(75.2)16.0(60.8)38.0(100.4)
Average high °C (°F)4.52(40.14)7.72(45.9)10.31(50.56)16.13(61.03)22.82(73.08)27.7(81.86)31.49(88.68)29.74(85.53)26.19(79.14)19.41(66.94)11.46(52.63)6.88(44.38)17.86(64.15)
Daily mean °C (°F)2.09(35.76)5.11(41.2)7.25(45.05)12.97(55.35)19.63(67.33)24.7(76.46)28.45(83.21)26.85(80.33)23.18(73.72)16.61(61.9)8.89(48.0)4.75(40.55)15.04(59.07)
Average low °C (°F)-1.82(28.72)1.01(33.82)2.58(36.64)7.72(45.9)13.9(57.02)18.93(66.07)22.76(72.97)22.1(71.78)18.73(65.71)12.43(54.37)5.02(41.04)1.24(34.23)10.38(50.68)
Record low °C (°F)-15.0(5.0)-12.0(10.4)-8.0(17.6)-1.0(30.2)4.0(39.2)12.0(53.6)18.0(64.4)17.0(62.6)11.0(51.8)2.0(35.6)-5.0(23.0)-7.0(19.4)-15.0(5.0)
Average precipitation mm (inches)30.54(1.2)47.05(1.85)45.83(1.8)34.13(1.34)48.3(1.9)50.0(1.97)52.27(2.06)69.52(2.74)44.79(1.76)41.77(1.64)34.18(1.35)55.04(2.17)46.12(1.82)
Average precipitation days (≥ 1.0 mm)2.273.823.363.645.094.734.275.454.363.272.552.823.8
Average relative humidity (%)67.0368.9865.2662.7369.0966.4466.6870.7171.0370.3566.472.0268.06
Mean monthly sunshine hours7.628.629.369.4312.1713.3713.6710.610.059.227.366.479.83

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Wilmington in recent years.

Wilmington

Wilmington Temperature by Month

July
28.45°C | 83.21°F
August
26.85°C | 80.33°F
June
24.7°C | 76.46°F
September
23.18°C | 73.72°F
May
19.63°C | 67.33°F
October
16.61°C | 61.9°F
April
12.97°C | 55.35°F
November
8.89°C | 48.0°F
March
7.25°C | 45.05°F
February
5.11°C | 41.2°F
December
4.75°C | 40.55°F
January
2.09°C | 35.76°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature36.0°C (96.8°F)26.53°C (79.75°F)17.0°C (62.6°F)
Avg Temperature32.0°C (89.6°F)23.83°C (74.89°F)16.0°C (60.8°F)
Min Temperature26.0°C (78.8°F)19.77°C (67.59°F)15.0°C (59.0°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)18.47°C (65.25°F)12.0°C (53.6°F)
PrecipitationMaxAverageMinSum
Precipitation53.8mm | 2.12in11.72mm | 0.46in0.0mm | 0in351.7mm | 13.85in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind20.0kmh | 12.43mph9.67kmh | 6.01mph5.0kmh | 3.11mph
Gust Wind29.0kmh | 18.02mph13.97kmh | 8.68mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure53.8mb11.72mb0.0mb
Wilmington

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-09-0125 | 77.020 | 68.08211 | 6.8430.24 | 10247.6 | 0.3
2018-09-0227 | 80.622 | 71.6816 | 3.7330.21 | 10239.3 | 0.37
2018-09-0330 | 86.023 | 73.4776 | 3.7330.24 | 10246.7 | 0.26
2018-09-0432 | 89.623 | 73.4675 | 3.1130.21 | 10235.9 | 0.23
2018-09-0532 | 89.623 | 73.4686 | 3.7330.18 | 10224.8 | 0.19
2018-09-0631 | 87.823 | 73.4747 | 4.3530.12 | 102012.5 | 0.49
2018-09-0727 | 80.622 | 71.6786 | 3.7330.09 | 101938.0 | 1.5
2018-09-0819 | 66.216 | 60.88113 | 8.0830.09 | 101930.1 | 1.19
2018-09-0916 | 60.814 | 57.28720 | 12.4330.15 | 102153.8 | 2.12
2018-09-1020 | 68.017 | 62.68818 | 11.1830.09 | 10192.1 | 0.08
2018-09-1124 | 75.219 | 66.2856 | 3.7330.09 | 101925.1 | 0.99
2018-09-1226 | 78.822 | 71.6866 | 3.7330.18 | 102229.0 | 1.14
2018-09-1324 | 75.221 | 69.88611 | 6.8430.18 | 10221.2 | 0.05
2018-09-1423 | 73.420 | 68.08513 | 8.0830.15 | 10210.1 | 0.0
2018-09-1525 | 77.018 | 64.4758 | 4.9730.15 | 10210.0 | 0.0
2018-09-1626 | 78.818 | 64.4707 | 4.3530.18 | 10220.0 | 0.0
2018-09-1724 | 75.220 | 68.08712 | 7.4630.03 | 101714.2 | 0.56
2018-09-1826 | 78.822 | 71.68411 | 6.8429.77 | 100835.4 | 1.39
2018-09-1926 | 78.819 | 66.27310 | 6.2129.91 | 10130.1 | 0.0
2018-09-2021 | 69.817 | 62.6818 | 4.9730.18 | 10221.5 | 0.06
2018-09-2123 | 73.417 | 62.67613 | 8.0830.15 | 10210.2 | 0.01
2018-09-2222 | 71.615 | 59.06613 | 8.0830.12 | 10201.1 | 0.04
2018-09-2317 | 62.613 | 55.4788 | 4.9730.21 | 102322.1 | 0.87
2018-09-2418 | 64.415 | 59.08215 | 9.3230.36 | 10289.0 | 0.35
2018-09-2523 | 73.420 | 68.08911 | 6.8430.24 | 102410.1 | 0.4
2018-09-2625 | 77.021 | 69.88610 | 6.2129.97 | 101517.3 | 0.68
2018-09-2720 | 68.012 | 53.66210 | 6.2130.09 | 10191.0 | 0.04
2018-09-2820 | 68.016 | 60.8818 | 4.9730.03 | 101713.5 | 0.53
2018-09-2922 | 71.614 | 57.2717 | 4.3530.21 | 10230.0 | 0.0
2018-09-3021 | 69.812 | 53.6605 | 3.1130.3 | 10260.0 | 0.0

Wilmington 3 Year Historical Weather Data

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