Adelphi, Maryland, United States Climate

Weather: 8.59°C/47.46°F, Wind SW at 2.06 km/h, 76% Humidity, 0% Chance of rain

United States
(Photo by Ryan Kosmides on Unsplash)
Contents

Adelphi Climate Summary

Located at an elevation of 52.99 meters (173.85 feet) above sea level, Adelphi has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 16.16ºC (61.09ºF) and it is 3.52% higher than United States’s averages. Adelphi typically receives about 46.72 millimeters (1.84 inches) of precipitation and has 46.28 rainy days (12.68% of the time) annually.

CountryUnited States
CityMaryland
Longitude-76.97192
Latitude39.0031656
Attitude/Elevation52.99m (173.85ft)
Local timeTuesday 14:17
Annual high temperature18.97ºC (66.15ºF)
Annual low temperature11.89ºC (53.4ºF)
Average annual precip.46.72mm (1.84in)
Warmest monthJuly (32.69ºC / 90.84ºF)
Coldest MonthJanuary (-0.78ºC / 30.6ºF)
Wettest MonthAugust (68.3mm / 2.69in)
Driest MonthJanuary (25.62mm / 1.01in)
Number of days with rainfall (≥ 1.0 mm)46.28 days (12.68%)
Days with no rain318.72 days (87.32%)
Humidity60.9%

Climate Adelphi: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)18.0(64.4)25.0(77.0)25.0(77.0)29.0(84.2)35.0(95.0)38.0(100.4)39.0(102.2)38.0(100.4)38.0(100.4)34.0(93.2)24.0(75.2)16.0(60.8)39.0(102.2)
Average high °C (°F)5.05(41.09)8.76(47.77)11.52(52.74)17.79(64.02)24.74(76.53)29.18(84.52)32.69(90.84)31.13(88.03)27.23(81.01)20.44(68.79)11.79(53.22)7.3(45.14)18.97(66.15)
Daily mean °C (°F)2.74(36.93)6.04(42.87)8.44(47.19)14.46(58.03)21.47(70.65)26.06(78.91)29.6(85.28)28.17(82.71)24.37(75.87)17.76(63.97)9.43(48.97)5.32(41.58)16.16(61.09)
Average low °C (°F)-0.78(30.6)2.27(36.09)4.05(39.29)9.26(48.67)16.31(61.36)20.89(69.6)24.55(76.19)23.71(74.68)20.18(68.32)13.72(56.7)6.06(42.91)2.42(36.36)11.89(53.4)
Record low °C (°F)-15.0(5.0)-11.0(12.2)-7.0(19.4)0.0(0)4.0(39.2)13.0(55.4)19.0(66.2)16.0(60.8)12.0(53.6)3.0(37.4)-3.0(26.6)-7.0(19.4)-15.0(5.0)
Average precipitation mm (inches)25.62(1.01)41.23(1.62)39.33(1.55)41.27(1.62)52.42(2.06)51.15(2.01)61.56(2.42)68.3(2.69)47.49(1.87)49.93(1.97)36.91(1.45)45.46(1.79)46.72(1.84)
Average precipitation days (≥ 1.0 mm)2.643.913.363.914.824.454.915.824.732.912.092.733.86
Average relative humidity (%)63.1664.3157.1755.962.2656.956.0460.4263.9763.1260.3967.260.9
Mean monthly sunshine hours8.058.669.439.3811.7713.0612.6910.139.739.617.666.489.72

Climate Graph

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

Adelphi

Adelphi Temperature by Month

July
29.6°C | 85.28°F
August
28.17°C | 82.71°F
June
26.06°C | 78.91°F
September
24.37°C | 75.87°F
May
21.47°C | 70.65°F
October
17.76°C | 63.97°F
April
14.46°C | 58.03°F
November
9.43°C | 48.97°F
March
8.44°C | 47.19°F
February
6.04°C | 42.87°F
December
5.32°C | 41.58°F
January
2.74°C | 36.93°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)30.48°C (86.86°F)24.0°C (75.2°F)
Avg Temperature32.0°C (89.6°F)27.68°C (81.82°F)22.0°C (71.6°F)
Min Temperature27.0°C (80.6°F)23.19°C (73.74°F)18.0°C (64.4°F)
Dew PointMaxAverageMin
Dew Point21.0°C (69.8°F)17.45°C (63.41°F)11.0°C (51.8°F)
PrecipitationMaxAverageMinSum
Precipitation24.8mm | 0.98in7.07mm | 0.28in0.0mm | 0in219.3mm | 8.63in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind14.0kmh | 8.7mph8.84kmh | 5.49mph4.0kmh | 2.49mph
Gust Wind19.0kmh | 11.81mph12.03kmh | 7.48mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure24.8mb7.07mb0.0mb
Adelphi

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-08-0129 | 84.219 | 66.2587 | 4.3530.06 | 10184.1 | 0.16
2019-08-0228 | 82.418 | 64.4589 | 5.5930.09 | 10196.4 | 0.25
2019-08-0330 | 86.019 | 66.2594 | 2.4929.97 | 101516.3 | 0.64
2019-08-0429 | 84.218 | 64.4578 | 4.9729.91 | 10134.9 | 0.19
2019-08-0529 | 84.218 | 64.4567 | 4.3529.94 | 10141.7 | 0.07
2019-08-0631 | 87.818 | 64.4566 | 3.7329.85 | 10114.9 | 0.19
2019-08-0729 | 84.219 | 66.2629 | 5.5929.8 | 100924.8 | 0.98
2019-08-0829 | 84.217 | 62.65310 | 6.2129.77 | 10080.6 | 0.02
2019-08-0929 | 84.216 | 60.85014 | 8.729.8 | 10090.4 | 0.02
2019-08-1026 | 78.812 | 53.64511 | 6.8429.91 | 10130.0 | 0.0
2019-08-1126 | 78.813 | 55.44810 | 6.2130.0 | 10160.0 | 0.0
2019-08-1230 | 86.016 | 60.8508 | 4.9729.94 | 10140.0 | 0.0
2019-08-1327 | 80.620 | 68.0689 | 5.5929.8 | 100915.0 | 0.59
2019-08-1428 | 82.421 | 69.87110 | 6.2129.8 | 100917.2 | 0.68
2019-08-1527 | 80.621 | 69.8749 | 5.5929.94 | 101415.3 | 0.6
2019-08-1628 | 82.421 | 69.8727 | 4.3529.97 | 101516.8 | 0.66
2019-08-1730 | 86.021 | 69.8644 | 2.4929.97 | 101516.7 | 0.66
2019-08-1832 | 89.621 | 69.8597 | 4.3529.97 | 101510.7 | 0.42
2019-08-1931 | 87.820 | 68.0599 | 5.5929.97 | 101512.9 | 0.51
2019-08-2031 | 87.820 | 68.0586 | 3.7330.03 | 10179.8 | 0.39
2019-08-2131 | 87.820 | 68.05811 | 6.8429.91 | 10136.7 | 0.26
2019-08-2231 | 87.819 | 66.25710 | 6.2129.91 | 101311.2 | 0.44
2019-08-2322 | 71.617 | 62.67011 | 6.8430.0 | 101612.2 | 0.48
2019-08-2423 | 73.411 | 51.85311 | 6.8430.15 | 10210.0 | 0.0
2019-08-2523 | 73.412 | 53.65412 | 7.4630.18 | 10220.3 | 0.01
2019-08-2622 | 71.614 | 57.26614 | 8.730.15 | 10210.1 | 0.0
2019-08-2722 | 71.617 | 62.6769 | 5.5930.03 | 10170.2 | 0.01
2019-08-2824 | 75.219 | 66.2805 | 3.1129.88 | 101210.1 | 0.4
2019-08-2925 | 77.014 | 57.25412 | 7.4629.97 | 10150.0 | 0.0
2019-08-3029 | 84.214 | 57.2446 | 3.7330.06 | 10180.0 | 0.0
2019-08-3127 | 80.616 | 60.8539 | 5.5930.18 | 10220.0 | 0.0

Adelphi 3 Year Historical Weather Data

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