Delaware, United States Climate

Weather: 21.34°C/70.41°F, Wind SW at 5.55 km/h, 95% Humidity, 0% Chance of rain

United States
(Photo by Clay Banks on Unsplash)
Contents

Delaware Climate Summary

Located at an elevation of 16.46 meters (54.0 feet) above sea level, Delaware has a Humid subtropical, no dry season climate (Classification: Cfa). The city’s yearly temperature is 14.55ºC (58.19ºF) and it is 1.91% higher than United States’s averages. Delaware typically receives about 58.05 millimeters (2.29 inches) of precipitation and has 108.28 rainy days (29.67% of the time) annually.

Country United States
Longitude -75.5276699
Latitude 38.9108325
Attitude/Elevation 16.46m (54.0ft)
Local time Thursday 08:15
Annual high temperature 16.95ºC (62.51ºF)
Annual low temperature 10.3ºC (50.54ºF)
Average annual precip. 58.05mm (2.29in)
Warmest month July (28.62ºC / 83.52ºF)
Coldest Month January (-1.45ºC / 29.39ºF)
Wettest Month August (89.8mm / 3.54in)
Driest Month January (37.93mm / 1.49in)
Number of days with rainfall (≥ 1.0 mm) 108.28 days (29.67%)
Days with no rain 256.72 days (70.33%)
Humidity 76.42%

Climate Delaware: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 19.0(66.2) 22.0(71.6) 24.0(75.2) 27.0(80.6) 30.0(86.0) 33.0(91.4) 34.0(93.2) 34.0(93.2) 33.0(91.4) 31.0(87.8) 25.0(77.0) 21.0(69.8) 34.0(93.2)
Average high °C (°F) 4.57(40.23) 6.35(43.43) 9.86(49.75) 15.88(60.58) 20.98(69.76) 25.83(78.49) 28.62(83.52) 27.48(81.46) 24.52(76.14) 18.92(66.06) 12.37(54.27) 8.03(46.45) 16.95(62.51)
Daily mean °C (°F) 2.37(36.27) 3.89(39.0) 7.33(45.19) 13.26(55.87) 18.57(65.43) 23.52(74.34) 26.35(79.43) 25.09(77.16) 22.12(71.82) 16.48(61.66) 9.82(49.68) 5.8(42.44) 14.55(58.19)
Average low °C (°F) -1.45(29.39) -0.26(31.53) 3.21(37.78) 8.53(47.35) 13.91(57.04) 18.58(65.44) 21.69(71.04) 20.6(69.08) 17.88(64.18) 12.6(54.68) 5.95(42.71) 2.4(36.32) 10.3(50.54)
Record low °C (°F) -17.0(1.4) -19.0(-2.2) -11.0(12.2) -1.0(30.2) 5.0(41.0) 10.0(50.0) 15.0(59.0) 14.0(57.2) 10.0(50.0) 2.0(35.6) -4.0(24.8) -9.0(15.8) -19.0(-2.2)
Average precipitation mm (inches) 37.93(1.49) 52.19(2.05) 53.93(2.12) 43.79(1.72) 64.65(2.55) 66.76(2.63) 81.58(3.21) 89.8(3.54) 52.41(2.06) 59.69(2.35) 39.01(1.54) 54.82(2.16) 58.05(2.29)
Average precipitation days (≥ 1.0 mm) 6.82 7.45 8.82 8.0 11.73 11.0 14.09 12.82 8.55 6.91 4.82 7.27 9.02
Average relative humidity (%) 74.45 75.27 74.26 74.36 79.59 77.81 78.33 78.58 78.65 76.72 72.89 76.11 76.42
Mean monthly sunshine hours 7.02 6.8 9.7 11.98 12.77 13.55 13.72 12.75 11.47 7.63 7.39 6.84 10.13

Climate Graph

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

Delaware

Delaware Temperature by Month

July
26.35°C | 79.43°F
August
25.09°C | 77.16°F
June
23.52°C | 74.34°F
September
22.12°C | 71.82°F
May
18.57°C | 65.43°F
October
16.48°C | 61.66°F
April
13.26°C | 55.87°F
November
9.82°C | 49.68°F
March
7.33°C | 45.19°F
December
5.8°C | 42.44°F
February
3.89°C | 39.0°F
January
2.37°C | 36.27°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Temperature Max Average Min
Max Temperature 25.0°C (77.0°F) 18.97°C (66.15°F) 10.0°C (50.0°F)
Avg Temperature 22.0°C (71.6°F) 16.48°C (61.66°F) 7.0°C (44.6°F)
Min Temperature 19.0°C (66.2°F) 12.68°C (54.82°F) 3.0°C (37.4°F)
Dew Point Max Average Min
Dew Point 19.0°C (66.2°F) 11.58°C (52.84°F) 2.0°C (35.6°F)
Precipitation Max Average Min Sum
Precipitation 95.7mm | 3.77in 6.45mm | 0.25in 0.0mm | 0in 200.1mm | 7.88in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 20.0kmh | 12.43mph 12.42kmh | 7.72mph 5.0kmh | 3.11mph
Gust Wind 33.0kmh | 20.51mph 19.55kmh | 12.15mph 8.0kmh | 4.97mph
Sea Level Pressure Max Average Min
Sea Level Pressure 95.7mb 6.45mb 0.0mb
Delaware

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
October ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2020-10-01 19 | 66.2 11 | 51.8 65 13 | 8.08 29.94 | 1014 0.0 | 0.0
2020-10-02 15 | 59.0 10 | 50.0 77 13 | 8.08 30.0 | 1016 5.6 | 0.22
2020-10-03 15 | 59.0 7 | 44.6 65 12 | 7.46 30.15 | 1021 0.0 | 0.0
2020-10-04 15 | 59.0 7 | 44.6 62 8 | 4.97 30.21 | 1023 0.0 | 0.0
2020-10-05 17 | 62.6 11 | 51.8 76 7 | 4.35 30.12 | 1020 0.0 | 0.0
2020-10-06 17 | 62.6 11 | 51.8 71 11 | 6.84 30.09 | 1019 0.0 | 0.0
2020-10-07 20 | 68.0 13 | 55.4 71 19 | 11.81 29.88 | 1012 0.0 | 0.0
2020-10-08 15 | 59.0 7 | 44.6 60 18 | 11.18 30.03 | 1017 0.0 | 0.0
2020-10-09 16 | 60.8 7 | 44.6 61 10 | 6.21 30.21 | 1023 0.0 | 0.0
2020-10-10 20 | 68.0 14 | 57.2 77 19 | 11.81 30.09 | 1019 0.0 | 0.0
2020-10-11 20 | 68.0 18 | 64.4 90 13 | 8.08 30.06 | 1018 7.6 | 0.3
2020-10-12 20 | 68.0 19 | 66.2 95 17 | 10.56 29.88 | 1012 40.4 | 1.59
2020-10-13 20 | 68.0 17 | 62.6 87 15 | 9.32 29.85 | 1011 0.1 | 0.0
2020-10-14 16 | 60.8 8 | 46.4 63 12 | 7.46 30.03 | 1017 0.0 | 0.0
2020-10-15 18 | 64.4 11 | 51.8 68 19 | 11.81 30.03 | 1017 0.0 | 0.0
2020-10-16 13 | 55.4 10 | 50.0 80 15 | 9.32 30.15 | 1021 7.4 | 0.29
2020-10-17 10 | 50.0 3 | 37.4 67 14 | 8.7 30.27 | 1025 1.4 | 0.06
2020-10-18 14 | 57.2 5 | 41.0 59 6 | 3.73 30.39 | 1029 0.0 | 0.0
2020-10-19 16 | 60.8 12 | 53.6 82 8 | 4.97 30.3 | 1026 0.0 | 0.0
2020-10-20 19 | 66.2 15 | 59.0 84 8 | 4.97 30.24 | 1024 0.0 | 0.0
2020-10-21 22 | 71.6 18 | 64.4 86 11 | 6.84 30.24 | 1024 0.0 | 0.0
2020-10-22 21 | 69.8 17 | 62.6 83 7 | 4.35 30.21 | 1023 0.0 | 0.0
2020-10-23 20 | 68.0 16 | 60.8 86 8 | 4.97 30.15 | 1021 0.2 | 0.01
2020-10-24 20 | 68.0 16 | 60.8 84 11 | 6.84 30.03 | 1017 0.0 | 0.0
2020-10-25 11 | 51.8 10 | 50.0 90 20 | 12.43 30.12 | 1020 30.1 | 1.19
2020-10-26 18 | 64.4 16 | 60.8 94 11 | 6.84 30.12 | 1020 2.8 | 0.11
2020-10-27 17 | 62.6 14 | 57.2 86 7 | 4.35 30.15 | 1021 0.0 | 0.0
2020-10-28 15 | 59.0 11 | 51.8 78 5 | 3.11 30.12 | 1020 1.3 | 0.05
2020-10-29 15 | 59.0 15 | 59.0 95 18 | 11.18 29.77 | 1008 95.7 | 3.77
2020-10-30 10 | 50.0 8 | 46.4 86 20 | 12.43 29.91 | 1013 7.5 | 0.3
2020-10-31 7 | 44.6 2 | 35.6 71 10 | 6.21 30.42 | 1030 0.0 | 0.0

Delaware 10 Year Historical Weather Data

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