Adelphi, Maryland, United States Climate
Weather: 0°C/0°F, Wind SW at 0 km/h, 0% Humidity, 0% Chance of rain
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.
| Country | United States |
| City | Maryland |
| Longitude | -76.97192 |
| Latitude | 39.0031656 |
| Attitude/Elevation | 52.99m (173.85ft) |
| Local time | Tuesday 13:35 |
| Annual high temperature | 18.97ºC (66.15ºF) |
| Annual low temperature | 11.89ºC (53.4ºF) |
| Average annual precip. | 46.72mm (1.84in) |
| Warmest month | July (32.69ºC / 90.84ºF) |
| Coldest Month | January (-0.78ºC / 30.6ºF) |
| Wettest Month | August (68.3mm / 2.69in) |
| Driest Month | January (25.62mm / 1.01in) |
| Number of days with rainfall (≥ 1.0 mm) | 46.28 days (12.68%) |
| Days with no rain | 318.72 days (87.32%) |
| Humidity | 60.9% |
Climate Adelphi: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 2.64 | 3.91 | 3.36 | 3.91 | 4.82 | 4.45 | 4.91 | 5.82 | 4.73 | 2.91 | 2.09 | 2.73 | 3.86 |
| Average relative humidity (%) | 63.16 | 64.31 | 57.17 | 55.9 | 62.26 | 56.9 | 56.04 | 60.42 | 63.97 | 63.12 | 60.39 | 67.2 | 60.9 |
| Mean monthly sunshine hours | 8.05 | 8.66 | 9.43 | 9.38 | 11.77 | 13.06 | 12.69 | 10.13 | 9.73 | 9.61 | 7.66 | 6.48 | 9.72 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Adelphi in recent years.
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
| Temperature | Max | Average | Min | |
|---|---|---|---|---|
| Max Temperature | 36.0°C (96.8°F) | 30.48°C (86.86°F) | 24.0°C (75.2°F) | |
| Avg Temperature | 32.0°C (89.6°F) | 27.68°C (81.82°F) | 22.0°C (71.6°F) | |
| Min Temperature | 27.0°C (80.6°F) | 23.19°C (73.74°F) | 18.0°C (64.4°F) | |
| Dew Point | Max | Average | Min | |
| Dew Point | 21.0°C (69.8°F) | 17.45°C (63.41°F) | 11.0°C (51.8°F) | |
| Precipitation | Max | Average | Min | Sum |
| Precipitation | 24.8mm | 0.98in | 7.07mm | 0.28in | 0.0mm | 0in | 219.3mm | 8.63in |
| Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
| Wind | Max | Average | Min | |
| Wind | 14.0kmh | 8.7mph | 8.84kmh | 5.49mph | 4.0kmh | 2.49mph | |
| Gust Wind | 19.0kmh | 11.81mph | 12.03kmh | 7.48mph | 6.0kmh | 3.73mph | |
| Sea Level Pressure | Max | Average | Min | |
| Sea Level Pressure | 24.8mb | 7.07mb | 0.0mb |
Daily Observations
| Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
|---|---|---|---|---|---|---|
| August | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
| 2019-08-01 | 29 | 84.2 | 19 | 66.2 | 58 | 7 | 4.35 | 30.06 | 1018 | 4.1 | 0.16 |
| 2019-08-02 | 28 | 82.4 | 18 | 64.4 | 58 | 9 | 5.59 | 30.09 | 1019 | 6.4 | 0.25 |
| 2019-08-03 | 30 | 86.0 | 19 | 66.2 | 59 | 4 | 2.49 | 29.97 | 1015 | 16.3 | 0.64 |
| 2019-08-04 | 29 | 84.2 | 18 | 64.4 | 57 | 8 | 4.97 | 29.91 | 1013 | 4.9 | 0.19 |
| 2019-08-05 | 29 | 84.2 | 18 | 64.4 | 56 | 7 | 4.35 | 29.94 | 1014 | 1.7 | 0.07 |
| 2019-08-06 | 31 | 87.8 | 18 | 64.4 | 56 | 6 | 3.73 | 29.85 | 1011 | 4.9 | 0.19 |
| 2019-08-07 | 29 | 84.2 | 19 | 66.2 | 62 | 9 | 5.59 | 29.8 | 1009 | 24.8 | 0.98 |
| 2019-08-08 | 29 | 84.2 | 17 | 62.6 | 53 | 10 | 6.21 | 29.77 | 1008 | 0.6 | 0.02 |
| 2019-08-09 | 29 | 84.2 | 16 | 60.8 | 50 | 14 | 8.7 | 29.8 | 1009 | 0.4 | 0.02 |
| 2019-08-10 | 26 | 78.8 | 12 | 53.6 | 45 | 11 | 6.84 | 29.91 | 1013 | 0.0 | 0.0 |
| 2019-08-11 | 26 | 78.8 | 13 | 55.4 | 48 | 10 | 6.21 | 30.0 | 1016 | 0.0 | 0.0 |
| 2019-08-12 | 30 | 86.0 | 16 | 60.8 | 50 | 8 | 4.97 | 29.94 | 1014 | 0.0 | 0.0 |
| 2019-08-13 | 27 | 80.6 | 20 | 68.0 | 68 | 9 | 5.59 | 29.8 | 1009 | 15.0 | 0.59 |
| 2019-08-14 | 28 | 82.4 | 21 | 69.8 | 71 | 10 | 6.21 | 29.8 | 1009 | 17.2 | 0.68 |
| 2019-08-15 | 27 | 80.6 | 21 | 69.8 | 74 | 9 | 5.59 | 29.94 | 1014 | 15.3 | 0.6 |
| 2019-08-16 | 28 | 82.4 | 21 | 69.8 | 72 | 7 | 4.35 | 29.97 | 1015 | 16.8 | 0.66 |
| 2019-08-17 | 30 | 86.0 | 21 | 69.8 | 64 | 4 | 2.49 | 29.97 | 1015 | 16.7 | 0.66 |
| 2019-08-18 | 32 | 89.6 | 21 | 69.8 | 59 | 7 | 4.35 | 29.97 | 1015 | 10.7 | 0.42 |
| 2019-08-19 | 31 | 87.8 | 20 | 68.0 | 59 | 9 | 5.59 | 29.97 | 1015 | 12.9 | 0.51 |
| 2019-08-20 | 31 | 87.8 | 20 | 68.0 | 58 | 6 | 3.73 | 30.03 | 1017 | 9.8 | 0.39 |
| 2019-08-21 | 31 | 87.8 | 20 | 68.0 | 58 | 11 | 6.84 | 29.91 | 1013 | 6.7 | 0.26 |
| 2019-08-22 | 31 | 87.8 | 19 | 66.2 | 57 | 10 | 6.21 | 29.91 | 1013 | 11.2 | 0.44 |
| 2019-08-23 | 22 | 71.6 | 17 | 62.6 | 70 | 11 | 6.84 | 30.0 | 1016 | 12.2 | 0.48 |
| 2019-08-24 | 23 | 73.4 | 11 | 51.8 | 53 | 11 | 6.84 | 30.15 | 1021 | 0.0 | 0.0 |
| 2019-08-25 | 23 | 73.4 | 12 | 53.6 | 54 | 12 | 7.46 | 30.18 | 1022 | 0.3 | 0.01 |
| 2019-08-26 | 22 | 71.6 | 14 | 57.2 | 66 | 14 | 8.7 | 30.15 | 1021 | 0.1 | 0.0 |
| 2019-08-27 | 22 | 71.6 | 17 | 62.6 | 76 | 9 | 5.59 | 30.03 | 1017 | 0.2 | 0.01 |
| 2019-08-28 | 24 | 75.2 | 19 | 66.2 | 80 | 5 | 3.11 | 29.88 | 1012 | 10.1 | 0.4 |
| 2019-08-29 | 25 | 77.0 | 14 | 57.2 | 54 | 12 | 7.46 | 29.97 | 1015 | 0.0 | 0.0 |
| 2019-08-30 | 29 | 84.2 | 14 | 57.2 | 44 | 6 | 3.73 | 30.06 | 1018 | 0.0 | 0.0 |
| 2019-08-31 | 27 | 80.6 | 16 | 60.8 | 53 | 9 | 5.59 | 30.18 | 1022 | 0.0 | 0.0 |
Adelphi 3 Year Historical Weather Data
Nearby locations
- Langley Park 1.80 km ( 1.12 mi)
- College Park 3.32 km ( 2.06 mi)
- Chillum 4.67 km ( 2.90 mi)
- Hyattsville 5.72 km ( 3.55 mi)
- Calverton 6.81 km ( 4.23 mi)
- Wheaton 8.12 km ( 5.05 mi)
- Greenbelt 8.35 km ( 5.19 mi)
- Colesville 8.46 km ( 5.26 mi)
- Landover 10.08 km ( 6.26 mi)
- South Laurel 12.87 km ( 8.00 mi)
- Glenn Dale 13.23 km ( 8.22 mi)
- North Bethesda 13.53 km ( 8.41 mi)
- Olney 18.57 km ( 11.54 mi)
- Forestville 19.46 km ( 12.09 mi)
- Potomac 20.57 km ( 12.78 mi)
- Clinton 27.19 km ( 16.89 mi)
- Fort Washington 33.14 km ( 20.59 mi)
- Ferndale 34.97 km ( 21.73 mi)
- Catonsville 36.35 km ( 22.59 mi)
- Damascus 37.48 km ( 23.29 mi)
- Severna Park 37.69 km ( 23.42 mi)
- Arnold 40.76 km ( 25.33 mi)
- Annapolis 41.65 km ( 25.88 mi)
- Milford Mill 42.06 km ( 26.14 mi)
- Lochearn 43.24 km ( 26.87 mi)
- Lake Shore 43.70 km ( 27.15 mi)
- Bensville 43.87 km ( 27.26 mi)
- Eldersburg 44.51 km ( 27.66 mi)
- Owings Mills 49.10 km ( 30.51 mi)
- Towson 54.56 km ( 33.90 mi)
- Parkville 55.86 km ( 34.71 mi)
- Bel Air North 78.97 km ( 49.07 mi)
- Easton 81.75 km ( 50.80 mi)
- Chesapeake Ranch Estates 87.43 km ( 54.33 mi)
- California 87.87 km ( 54.60 mi)
- Cambridge 91.69 km ( 56.97 mi)
- Lexington Park 93.92 km ( 58.36 mi)
- Havre de Grace 97.19 km ( 60.39 mi)
- Cumberland 170.41 km ( 105.89 mi)
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