Rockville, Maryland, United States Climate
Weather: 9.26°C/48.67°F, Wind SW at 2.68 km/h, 77% Humidity, 0% Chance of rain
(Photo by Jorgen Hendriksen on Unsplash)
Rockville Climate Summary
Located at an elevation of None meters (0 feet) above sea level, Rockville has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 15.6ºC (60.08ºF) and it is 2.96% higher than United States’s averages. Rockville typically receives about 45.92 millimeters (1.81 inches) of precipitation and has 46.55 rainy days (12.75% of the time) annually.
Country | United States |
City | Maryland |
Longitude | -77.1527578 |
Latitude | 39.0839973 |
Attitude/Elevation | Nonem (0ft) |
Local time | Thursday 18:03 |
Annual high temperature | 18.46ºC (65.23ºF) |
Annual low temperature | 11.18ºC (52.12ºF) |
Average annual precip. | 45.92mm (1.81in) |
Warmest month | July (32.0ºC / 89.6ºF) |
Coldest Month | January (-1.22ºC / 29.8ºF) |
Wettest Month | August (70.61mm / 2.78in) |
Driest Month | January (26.65mm / 1.05in) |
Number of days with rainfall (≥ 1.0 mm) | 46.55 days (12.75%) |
Days with no rain | 318.45 days (87.25%) |
Humidity | 65.76% |
Climate Rockville: 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) | 24.0(75.2) | 28.0(82.4) | 34.0(93.2) | 38.0(100.4) | 39.0(102.2) | 37.0(98.6) | 37.0(98.6) | 34.0(93.2) | 25.0(77.0) | 16.0(60.8) | 39.0(102.2) |
Average high °C (°F) | 4.85(40.73) | 8.53(47.35) | 11.16(52.09) | 17.09(62.76) | 24.16(75.49) | 28.34(83.01) | 32.0(89.6) | 30.3(86.54) | 26.53(79.75) | 20.04(68.07) | 11.54(52.77) | 7.02(44.64) | 18.46(65.23) |
Daily mean °C (°F) | 2.44(36.39) | 5.68(42.22) | 7.96(46.33) | 13.81(56.86) | 20.9(69.62) | 25.23(77.41) | 28.95(84.11) | 27.41(81.34) | 23.64(74.55) | 17.22(63.0) | 8.97(48.15) | 4.96(40.93) | 15.6(60.08) |
Average low °C (°F) | -1.22(29.8) | 1.75(35.15) | 3.37(38.07) | 8.56(47.41) | 15.67(60.21) | 20.04(68.07) | 23.71(74.68) | 22.81(73.06) | 19.43(66.97) | 13.02(55.44) | 5.22(41.4) | 1.8(35.24) | 11.18(52.12) |
Record low °C (°F) | -16.0(3.2) | -12.0(10.4) | -8.0(17.6) | -1.0(30.2) | 3.0(37.4) | 12.0(53.6) | 18.0(64.4) | 15.0(59.0) | 10.0(50.0) | 3.0(37.4) | -4.0(24.8) | -7.0(19.4) | -16.0(3.2) |
Average precipitation mm (inches) | 26.65(1.05) | 41.05(1.62) | 39.49(1.55) | 38.1(1.5) | 53.96(2.12) | 45.62(1.8) | 58.19(2.29) | 70.61(2.78) | 45.8(1.8) | 44.04(1.73) | 41.94(1.65) | 45.63(1.8) | 45.92(1.81) |
Average precipitation days (≥ 1.0 mm) | 2.73 | 3.82 | 3.45 | 3.82 | 4.82 | 4.45 | 4.82 | 5.91 | 4.73 | 2.91 | 2.27 | 2.82 | 3.88 |
Average relative humidity (%) | 65.75 | 67.4 | 61.17 | 60.84 | 67.57 | 63.49 | 62.62 | 66.84 | 69.46 | 68.16 | 64.82 | 70.96 | 65.76 |
Mean monthly sunshine hours | 8.17 | 8.72 | 9.46 | 9.66 | 11.89 | 13.26 | 12.9 | 10.56 | 9.96 | 9.68 | 7.78 | 6.73 | 9.9 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Rockville in recent years.
Rockville Temperature by Month
July | 28.95°C | 84.11°F | |
August | 27.41°C | 81.34°F | |
June | 25.23°C | 77.41°F | |
September | 23.64°C | 74.55°F | |
May | 20.9°C | 69.62°F | |
October | 17.22°C | 63.0°F | |
April | 13.81°C | 56.86°F | |
November | 8.97°C | 48.15°F | |
March | 7.96°C | 46.33°F | |
February | 5.68°C | 42.22°F | |
December | 4.96°C | 40.93°F | |
January | 2.44°C | 36.39°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 35.0°C (95.0°F) | 28.77°C (83.79°F) | 22.0°C (71.6°F) | |
Avg Temperature | 31.0°C (87.8°F) | 25.53°C (77.95°F) | 20.0°C (68.0°F) | |
Min Temperature | 24.0°C (75.2°F) | 20.17°C (68.31°F) | 14.0°C (57.2°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 20.0°C (68.0°F) | 15.5°C (59.9°F) | 7.0°C (44.6°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 42.5mm | 1.67in | 5.9mm | 0.23in | 0.0mm | 0in | 177.1mm | 6.97in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 22.0kmh | 13.67mph | 11.9kmh | 7.39mph | 6.0kmh | 3.73mph | |
Gust Wind | 31.0kmh | 19.26mph | 16.7kmh | 10.38mph | 8.0kmh | 4.97mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 42.5mb | 5.9mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
June | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2019-06-01 | 28 | 82.4 | 14 | 57.2 | 50 | 7 | 4.35 | 29.83 | 1010 | 0.5 | 0.02 |
2019-06-02 | 26 | 78.8 | 16 | 60.8 | 59 | 10 | 6.21 | 29.77 | 1008 | 4.1 | 0.16 |
2019-06-03 | 20 | 68.0 | 7 | 44.6 | 47 | 17 | 10.56 | 29.97 | 1015 | 0.8 | 0.03 |
2019-06-04 | 23 | 73.4 | 7 | 44.6 | 41 | 11 | 6.84 | 30.12 | 1020 | 0.0 | 0.0 |
2019-06-05 | 25 | 77.0 | 15 | 59.0 | 61 | 16 | 9.94 | 29.88 | 1012 | 5.0 | 0.2 |
2019-06-06 | 27 | 80.6 | 19 | 66.2 | 68 | 11 | 6.84 | 29.8 | 1009 | 4.6 | 0.18 |
2019-06-07 | 24 | 75.2 | 17 | 62.6 | 65 | 10 | 6.21 | 29.91 | 1013 | 0.3 | 0.01 |
2019-06-08 | 25 | 77.0 | 14 | 57.2 | 56 | 14 | 8.7 | 30.09 | 1019 | 0.0 | 0.0 |
2019-06-09 | 22 | 71.6 | 16 | 60.8 | 72 | 19 | 11.81 | 30.15 | 1021 | 0.5 | 0.02 |
2019-06-10 | 23 | 73.4 | 18 | 64.4 | 79 | 9 | 5.59 | 29.97 | 1015 | 9.0 | 0.35 |
2019-06-11 | 22 | 71.6 | 11 | 51.8 | 54 | 19 | 11.81 | 30.03 | 1017 | 1.8 | 0.07 |
2019-06-12 | 22 | 71.6 | 10 | 50.0 | 51 | 13 | 8.08 | 30.12 | 1020 | 0.7 | 0.03 |
2019-06-13 | 21 | 69.8 | 15 | 59.0 | 76 | 13 | 8.08 | 29.8 | 1009 | 42.5 | 1.67 |
2019-06-14 | 21 | 69.8 | 9 | 48.2 | 52 | 18 | 11.18 | 30.03 | 1017 | 0.1 | 0.0 |
2019-06-15 | 24 | 75.2 | 11 | 51.8 | 49 | 13 | 8.08 | 30.09 | 1019 | 0.0 | 0.0 |
2019-06-16 | 25 | 77.0 | 17 | 62.6 | 64 | 15 | 9.32 | 29.88 | 1012 | 5.6 | 0.22 |
2019-06-17 | 28 | 82.4 | 20 | 68.0 | 70 | 7 | 4.35 | 29.94 | 1014 | 12.5 | 0.49 |
2019-06-18 | 27 | 80.6 | 20 | 68.0 | 73 | 8 | 4.97 | 29.91 | 1013 | 12.5 | 0.49 |
2019-06-19 | 28 | 82.4 | 20 | 68.0 | 72 | 7 | 4.35 | 29.77 | 1008 | 17.9 | 0.7 |
2019-06-20 | 27 | 80.6 | 20 | 68.0 | 72 | 10 | 6.21 | 29.59 | 1002 | 25.6 | 1.01 |
2019-06-21 | 24 | 75.2 | 15 | 59.0 | 62 | 22 | 13.67 | 29.74 | 1007 | 4.4 | 0.17 |
2019-06-22 | 23 | 73.4 | 12 | 53.6 | 54 | 12 | 7.46 | 30.0 | 1016 | 0.0 | 0.0 |
2019-06-23 | 27 | 80.6 | 13 | 55.4 | 51 | 6 | 3.73 | 30.03 | 1017 | 0.0 | 0.0 |
2019-06-24 | 28 | 82.4 | 18 | 64.4 | 64 | 7 | 4.35 | 29.85 | 1011 | 4.2 | 0.17 |
2019-06-25 | 27 | 80.6 | 19 | 66.2 | 65 | 13 | 8.08 | 29.85 | 1011 | 4.5 | 0.18 |
2019-06-26 | 29 | 84.2 | 17 | 62.6 | 54 | 10 | 6.21 | 30.06 | 1018 | 0.2 | 0.01 |
2019-06-27 | 31 | 87.8 | 19 | 66.2 | 57 | 8 | 4.97 | 30.15 | 1021 | 1.1 | 0.04 |
2019-06-28 | 30 | 86.0 | 20 | 68.0 | 62 | 7 | 4.35 | 30.15 | 1021 | 6.6 | 0.26 |
2019-06-29 | 31 | 87.8 | 19 | 66.2 | 59 | 9 | 5.59 | 30.03 | 1017 | 9.1 | 0.36 |
2019-06-30 | 28 | 82.4 | 17 | 62.6 | 58 | 16 | 9.94 | 29.85 | 1011 | 3.0 | 0.12 |
Rockville 3 Year Historical Weather Data
Nearby locations
- North Bethesda 5.27 km ( 3.27 mi)
- Potomac 8.76 km ( 5.44 mi)
- Wheaton 9.93 km ( 6.17 mi)
- Olney 10.68 km ( 6.64 mi)
- Kemp Mill 12.64 km ( 7.85 mi)
- Colesville 13.08 km ( 8.13 mi)
- Fairland 16.90 km ( 10.50 mi)
- Adelphi 18.05 km ( 11.21 mi)
- Langley Park 18.22 km ( 11.32 mi)
- College Park 21.36 km ( 13.27 mi)
- Hyattsville 22.89 km ( 14.23 mi)
- Damascus 23.12 km ( 14.37 mi)
- Greenbelt 25.57 km ( 15.89 mi)
- South Laurel 26.22 km ( 16.29 mi)
- Landover 27.74 km ( 17.24 mi)
- Columbia 28.51 km ( 17.71 mi)
- Glenn Dale 30.69 km ( 19.07 mi)
- Forestville 35.82 km ( 22.26 mi)
- Elkridge 36.03 km ( 22.39 mi)
- Eldersburg 39.57 km ( 24.59 mi)
- Clinton 41.71 km ( 25.92 mi)
- Catonsville 41.93 km ( 26.05 mi)
- Fort Washington 43.30 km ( 26.91 mi)
- Arbutus 43.47 km ( 27.01 mi)
- Randallstown 44.07 km ( 27.39 mi)
- Owings Mills 49.21 km ( 30.58 mi)
- Severna Park 52.59 km ( 32.68 mi)
- Bensville 54.09 km ( 33.61 mi)
- Waldorf 54.97 km ( 34.15 mi)
- Dundalk 57.69 km ( 35.85 mi)
- Towson 59.19 km ( 36.78 mi)
- Parkville 62.15 km ( 38.62 mi)
- Bel Air North 83.64 km ( 51.97 mi)
- Easton 99.47 km ( 61.81 mi)
- California 103.53 km ( 64.33 mi)
- Chesapeake Ranch Estates 103.89 km ( 64.56 mi)
- Lexington Park 109.68 km ( 68.15 mi)
- Cambridge 109.73 km ( 68.18 mi)
- Cumberland 152.42 km ( 94.71 mi)
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