Dewey Beach, Delaware, United States Climate

Weather: 11.33°C/52.39°F, Wind SW at 0.45 km/h, 88% Humidity, 0% Chance of rain

United States
(Photo by Gökhan Kara on Unsplash)
Contents

Dewey Beach Climate Summary

Located at an elevation of 1.27 meters (4.17 feet) above sea level, Dewey Beach has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.34ºC (57.81ºF) and it is 1.7% higher than United States’s averages. Dewey Beach typically receives about 19.52 millimeters (0.77 inches) of precipitation and has 37.65 rainy days (10.32% of the time) annually.

CountryUnited States
CityDelaware
Longitude-75.0746249
Latitude38.6928899
Attitude/Elevation1.27m (4.17ft)
Local timeSaturday 14:21
Annual high temperature15.85ºC (60.53ºF)
Annual low temperature11.69ºC (53.04ºF)
Average annual precip.19.52mm (0.77in)
Warmest monthJuly (27.08ºC / 80.74ºF)
Coldest MonthJanuary (0.1ºC / 32.18ºF)
Wettest MonthAugust (26.94mm / 1.06in)
Driest MonthJanuary (12.67mm / 0.5in)
Number of days with rainfall (≥ 1.0 mm)37.65 days (10.32%)
Days with no rain327.35 days (89.68%)
Humidity76.11%

Climate Dewey Beach: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)16.0(60.8)21.0(69.8)21.0(69.8)27.0(80.6)30.0(86.0)32.0(89.6)30.0(86.0)30.0(86.0)29.0(84.2)20.0(68.0)15.0(59.0)32.0(89.6)
Average high °C (°F)4.8(40.64)6.96(44.53)8.25(46.85)13.04(55.47)18.39(65.1)23.7(74.66)27.08(80.74)26.41(79.54)23.52(74.34)18.47(65.25)11.86(53.35)7.76(45.97)15.85(60.53)
Daily mean °C (°F)3.11(37.6)5.29(41.52)6.55(43.79)11.1(51.98)17.02(62.64)22.23(72.01)25.62(78.12)25.14(77.25)22.26(72.07)17.08(62.74)10.34(50.61)6.35(43.43)14.34(57.81)
Average low °C (°F)0.1(32.18)2.34(36.21)3.7(38.66)7.97(46.35)13.97(57.15)19.6(67.28)23.28(73.9)22.95(73.31)20.27(68.49)14.9(58.82)7.47(45.45)3.73(38.71)11.69(53.04)
Record low °C (°F)-13.0(8.6)-10.0(14.0)-5.0(23.0)0.0(0)6.0(42.8)12.0(53.6)18.0(64.4)18.0(64.4)13.0(55.4)6.0(42.8)-2.0(28.4)-4.0(24.8)-13.0(8.6)
Average precipitation mm (inches)12.67(0.5)18.07(0.71)14.32(0.56)13.62(0.54)22.34(0.88)19.64(0.77)22.37(0.88)26.94(1.06)18.29(0.72)24.6(0.97)18.03(0.71)23.37(0.92)19.52(0.77)
Average precipitation days (≥ 1.0 mm)2.272.732.552.453.733.824.274.913.02.732.552.643.14
Average relative humidity (%)72.1575.1372.7873.6880.9578.2878.6680.7179.9175.7670.8474.4876.11
Mean monthly sunshine hours8.138.949.679.8712.4213.5113.6810.6310.389.557.396.6710.07

Climate Graph

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

Dewey Beach

Dewey Beach Temperature by Month

July
25.62°C | 78.12°F
August
25.14°C | 77.25°F
September
22.26°C | 72.07°F
June
22.23°C | 72.01°F
October
17.08°C | 62.74°F
May
17.02°C | 62.64°F
April
11.1°C | 51.98°F
November
10.34°C | 50.61°F
March
6.55°C | 43.79°F
December
6.35°C | 43.43°F
February
5.29°C | 41.52°F
January
3.11°C | 37.6°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature21.0°C (69.8°F)13.37°C (56.07°F)8.0°C (46.4°F)
Avg Temperature18.0°C (64.4°F)11.37°C (52.47°F)7.0°C (44.6°F)
Min Temperature13.0°C (55.4°F)7.93°C (46.27°F)2.0°C (35.6°F)
Dew PointMaxAverageMin
Dew Point14.0°C (57.2°F)5.97°C (42.75°F)-2.0°C (28.4°F)
PrecipitationMaxAverageMinSum
Precipitation14.0mm | 0.55in2.1mm | 0.08in0.0mm | 0in63.0mm | 2.48in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind46.0kmh | 28.58mph26.7kmh | 16.59mph12.0kmh | 7.46mph
Gust Wind79.0kmh | 49.09mph40.83kmh | 25.37mph20.0kmh | 12.43mph
Sea Level PressureMaxAverageMin
Sea Level Pressure14.0mb2.1mb0.0mb
Dewey Beach

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-04-017 | 44.62 | 35.67126 | 16.1629.83 | 10100.0 | 0.0
2020-04-027 | 44.61 | 33.86639 | 24.2329.83 | 10100.0 | 0.0
2020-04-039 | 48.24 | 39.27335 | 21.7529.83 | 10100.0 | 0.0
2020-04-049 | 48.26 | 42.88022 | 13.6730.0 | 10160.1 | 0.0
2020-04-0511 | 51.87 | 44.68313 | 8.0830.06 | 10180.0 | 0.0
2020-04-0612 | 53.68 | 46.47712 | 7.4630.03 | 10170.2 | 0.01
2020-04-0712 | 53.67 | 44.67414 | 8.729.97 | 10150.7 | 0.03
2020-04-0818 | 64.412 | 53.67823 | 14.2929.56 | 10011.1 | 0.04
2020-04-0913 | 55.47 | 44.67126 | 16.1629.44 | 9973.1 | 0.12
2020-04-108 | 46.4-1 | 30.25442 | 26.129.56 | 10010.0 | 0.0
2020-04-119 | 48.2-1 | 30.25529 | 18.0229.94 | 10140.0 | 0.0
2020-04-1214 | 57.27 | 44.66825 | 15.5330.09 | 10190.0 | 0.0
2020-04-1316 | 60.812 | 53.68146 | 28.5829.83 | 10109.8 | 0.39
2020-04-149 | 48.21 | 33.85623 | 14.2930.09 | 10190.0 | 0.0
2020-04-157 | 44.62 | 35.66922 | 13.6730.0 | 10162.8 | 0.11
2020-04-168 | 46.4-1 | 30.25428 | 17.430.12 | 10200.0 | 0.0
2020-04-1710 | 50.01 | 33.85622 | 13.6730.18 | 10220.0 | 0.0
2020-04-1811 | 51.88 | 46.47734 | 21.1329.8 | 100912.6 | 0.5
2020-04-1911 | 51.84 | 39.26520 | 12.4329.94 | 10140.0 | 0.0
2020-04-2011 | 51.88 | 46.48121 | 13.0529.65 | 10042.9 | 0.11
2020-04-2113 | 55.48 | 46.47528 | 17.429.68 | 10051.9 | 0.07
2020-04-228 | 46.4-2 | 28.44932 | 19.8829.97 | 10150.0 | 0.0
2020-04-2312 | 53.66 | 42.87120 | 12.4329.94 | 10142.3 | 0.09
2020-04-2417 | 62.614 | 57.28826 | 16.1629.59 | 100214.0 | 0.55
2020-04-2510 | 50.08 | 46.48724 | 14.9129.94 | 10140.3 | 0.01
2020-04-2616 | 60.812 | 53.68432 | 19.8829.71 | 10062.8 | 0.11
2020-04-2712 | 53.68 | 46.47631 | 19.2629.8 | 10090.6 | 0.02
2020-04-2811 | 51.86 | 42.87217 | 10.5630.09 | 10190.1 | 0.0
2020-04-2914 | 57.212 | 53.68623 | 14.2930.06 | 10180.4 | 0.02
2020-04-3016 | 60.813 | 55.48746 | 28.5829.91 | 10137.3 | 0.29

Dewey Beach 3 Year Historical Weather Data

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