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

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.

CountryUnited States
CityMaryland
Longitude-77.1527578
Latitude39.0839973
Attitude/ElevationNonem (0ft)
Local timeThursday 18:03
Annual high temperature18.46ºC (65.23ºF)
Annual low temperature11.18ºC (52.12ºF)
Average annual precip.45.92mm (1.81in)
Warmest monthJuly (32.0ºC / 89.6ºF)
Coldest MonthJanuary (-1.22ºC / 29.8ºF)
Wettest MonthAugust (70.61mm / 2.78in)
Driest MonthJanuary (26.65mm / 1.05in)
Number of days with rainfall (≥ 1.0 mm)46.55 days (12.75%)
Days with no rain318.45 days (87.25%)
Humidity65.76%

Climate Rockville: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
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)2.733.823.453.824.824.454.825.914.732.912.272.823.88
Average relative humidity (%)65.7567.461.1760.8467.5763.4962.6266.8469.4668.1664.8270.9665.76
Mean monthly sunshine hours8.178.729.469.6611.8913.2612.910.569.969.687.786.739.9

Climate Graph

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

Rockville

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

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature35.0°C (95.0°F)28.77°C (83.79°F)22.0°C (71.6°F)
Avg Temperature31.0°C (87.8°F)25.53°C (77.95°F)20.0°C (68.0°F)
Min Temperature24.0°C (75.2°F)20.17°C (68.31°F)14.0°C (57.2°F)
Dew PointMaxAverageMin
Dew Point20.0°C (68.0°F)15.5°C (59.9°F)7.0°C (44.6°F)
PrecipitationMaxAverageMinSum
Precipitation42.5mm | 1.67in5.9mm | 0.23in0.0mm | 0in177.1mm | 6.97in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind22.0kmh | 13.67mph11.9kmh | 7.39mph6.0kmh | 3.73mph
Gust Wind31.0kmh | 19.26mph16.7kmh | 10.38mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure42.5mb5.9mb0.0mb
Rockville

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-06-0128 | 82.414 | 57.2507 | 4.3529.83 | 10100.5 | 0.02
2019-06-0226 | 78.816 | 60.85910 | 6.2129.77 | 10084.1 | 0.16
2019-06-0320 | 68.07 | 44.64717 | 10.5629.97 | 10150.8 | 0.03
2019-06-0423 | 73.47 | 44.64111 | 6.8430.12 | 10200.0 | 0.0
2019-06-0525 | 77.015 | 59.06116 | 9.9429.88 | 10125.0 | 0.2
2019-06-0627 | 80.619 | 66.26811 | 6.8429.8 | 10094.6 | 0.18
2019-06-0724 | 75.217 | 62.66510 | 6.2129.91 | 10130.3 | 0.01
2019-06-0825 | 77.014 | 57.25614 | 8.730.09 | 10190.0 | 0.0
2019-06-0922 | 71.616 | 60.87219 | 11.8130.15 | 10210.5 | 0.02
2019-06-1023 | 73.418 | 64.4799 | 5.5929.97 | 10159.0 | 0.35
2019-06-1122 | 71.611 | 51.85419 | 11.8130.03 | 10171.8 | 0.07
2019-06-1222 | 71.610 | 50.05113 | 8.0830.12 | 10200.7 | 0.03
2019-06-1321 | 69.815 | 59.07613 | 8.0829.8 | 100942.5 | 1.67
2019-06-1421 | 69.89 | 48.25218 | 11.1830.03 | 10170.1 | 0.0
2019-06-1524 | 75.211 | 51.84913 | 8.0830.09 | 10190.0 | 0.0
2019-06-1625 | 77.017 | 62.66415 | 9.3229.88 | 10125.6 | 0.22
2019-06-1728 | 82.420 | 68.0707 | 4.3529.94 | 101412.5 | 0.49
2019-06-1827 | 80.620 | 68.0738 | 4.9729.91 | 101312.5 | 0.49
2019-06-1928 | 82.420 | 68.0727 | 4.3529.77 | 100817.9 | 0.7
2019-06-2027 | 80.620 | 68.07210 | 6.2129.59 | 100225.6 | 1.01
2019-06-2124 | 75.215 | 59.06222 | 13.6729.74 | 10074.4 | 0.17
2019-06-2223 | 73.412 | 53.65412 | 7.4630.0 | 10160.0 | 0.0
2019-06-2327 | 80.613 | 55.4516 | 3.7330.03 | 10170.0 | 0.0
2019-06-2428 | 82.418 | 64.4647 | 4.3529.85 | 10114.2 | 0.17
2019-06-2527 | 80.619 | 66.26513 | 8.0829.85 | 10114.5 | 0.18
2019-06-2629 | 84.217 | 62.65410 | 6.2130.06 | 10180.2 | 0.01
2019-06-2731 | 87.819 | 66.2578 | 4.9730.15 | 10211.1 | 0.04
2019-06-2830 | 86.020 | 68.0627 | 4.3530.15 | 10216.6 | 0.26
2019-06-2931 | 87.819 | 66.2599 | 5.5930.03 | 10179.1 | 0.36
2019-06-3028 | 82.417 | 62.65816 | 9.9429.85 | 10113.0 | 0.12

Comments (0)

  • Latest first
  • Highest rated
Be the first to comment on this page