Manassas, Virginia, United States Climate

Weather: 11.88°C/53.38°F, Wind SW at 3.6 km/h, 79% Humidity, 0% Chance of rain

United States
(Photo by David Knox on Unsplash)
Contents

Manassas Climate Summary

Located at an elevation of 93.76 meters (307.61 feet) above sea level, Manassas has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 15.06ºC (59.11ºF) and it is 2.42% higher than United States’s averages. Manassas typically receives about 132.07 millimeters (5.2 inches) of precipitation and has 152.73 rainy days (41.84% of the time) annually.

CountryUnited States
CityVirginia
Longitude-77.4752667
Latitude38.7509488
Attitude/Elevation93.76m (307.61ft)
Local timeSaturday 06:12
Annual high temperature18.88ºC (65.98ºF)
Annual low temperature8.75ºC (47.75ºF)
Average annual precip.132.07mm (5.2in)
Warmest monthJuly (32.21ºC / 89.98ºF)
Coldest MonthJanuary (-2.9ºC / 26.78ºF)
Wettest MonthMay (168.59mm / 6.64in)
Driest MonthNovember (95.19mm / 3.75in)
Number of days with rainfall (≥ 1.0 mm)152.73 days (41.84%)
Days with no rain212.27 days (58.16%)
Humidity74.02%

Climate Manassas: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)19.0(66.2)25.0(77.0)27.0(80.6)32.0(89.6)38.0(100.4)40.0(104.0)41.0(105.8)39.0(102.2)37.0(98.6)34.0(93.2)25.0(77.0)22.0(71.6)41.0(105.8)
Average high °C (°F)4.83(40.69)7.35(45.23)11.84(53.31)18.73(65.71)24.55(76.19)29.24(84.63)32.21(89.98)30.62(87.12)26.74(80.13)20.03(68.05)12.5(54.5)7.88(46.18)18.88(65.98)
Daily mean °C (°F)1.76(35.17)3.77(38.79)8.05(46.49)14.65(58.37)20.62(69.12)25.29(77.52)28.08(82.54)26.29(79.32)22.5(72.5)16.01(60.82)8.84(47.91)4.92(40.86)15.06(59.11)
Average low °C (°F)-2.9(26.78)-1.46(29.37)2.28(36.1)7.78(46.0)13.26(55.87)17.2(62.96)19.99(67.98)18.89(66.0)15.82(60.48)9.98(49.96)3.48(38.26)0.71(33.28)8.75(47.75)
Record low °C (°F)-18.0(-0.4)-19.0(-2.2)-12.0(10.4)-3.0(26.6)2.0(35.6)10.0(50.0)12.0(53.6)13.0(55.4)6.0(42.8)-1.0(30.2)-7.0(19.4)-10.0(14.0)-19.0(-2.2)
Average precipitation mm (inches)108.24(4.26)120.05(4.73)139.99(5.51)136.45(5.37)168.59(6.64)127.76(5.03)139.69(5.5)142.1(5.59)130.33(5.13)146.81(5.78)95.19(3.75)129.59(5.1)132.07(5.2)
Average precipitation days (≥ 1.0 mm)10.8211.8213.4514.1816.9114.0915.0916.5512.7310.367.559.1812.73
Average relative humidity (%)73.7276.2474.0772.3175.4771.770.4972.7275.0476.273.3776.9374.02
Mean monthly sunshine hours8.419.09.6110.2311.9513.6612.7610.910.359.788.26.9910.15

Climate Graph

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

Manassas

Manassas Temperature by Month

July
28.08°C | 82.54°F
August
26.29°C | 79.32°F
June
25.29°C | 77.52°F
September
22.5°C | 72.5°F
May
20.62°C | 69.12°F
October
16.01°C | 60.82°F
April
14.65°C | 58.37°F
November
8.84°C | 47.91°F
March
8.05°C | 46.49°F
December
4.92°C | 40.86°F
February
3.77°C | 38.79°F
January
1.76°C | 35.17°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature37.0°C (98.6°F)31.61°C (88.9°F)27.0°C (80.6°F)
Avg Temperature32.0°C (89.6°F)27.39°C (81.3°F)24.0°C (75.2°F)
Min Temperature23.0°C (73.4°F)18.81°C (65.86°F)14.0°C (57.2°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)18.45°C (65.21°F)13.0°C (55.4°F)
PrecipitationMaxAverageMinSum
Precipitation37.2mm | 1.46in3.72mm | 0.15in0.0mm | 0in115.3mm | 4.54in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind9.0kmh | 5.59mph6.26kmh | 3.89mph3.0kmh | 1.86mph
Gust Wind14.0kmh | 8.7mph9.9kmh | 6.15mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure37.2mb3.72mb0.0mb
Manassas

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2015-07-0127 | 80.617 | 62.6677 | 4.3529.85 | 10110.4 | 0.02
2015-07-0224 | 75.217 | 62.6793 | 1.8629.88 | 10124.1 | 0.16
2015-07-0325 | 77.017 | 62.6765 | 3.1129.94 | 10140.9 | 0.04
2015-07-0424 | 75.221 | 69.8925 | 3.1129.91 | 10138.0 | 0.31
2015-07-0526 | 78.819 | 66.2815 | 3.1130.09 | 10192.3 | 0.09
2015-07-0626 | 78.821 | 69.8867 | 4.3530.06 | 10189.4 | 0.37
2015-07-0729 | 84.219 | 66.2687 | 4.3530.0 | 10161.2 | 0.05
2015-07-0827 | 80.620 | 68.0757 | 4.3530.0 | 10163.2 | 0.13
2015-07-0931 | 87.820 | 68.0679 | 5.5929.94 | 10140.0 | 0.0
2015-07-1027 | 80.619 | 66.2697 | 4.3530.0 | 10160.6 | 0.02
2015-07-1125 | 77.020 | 68.0834 | 2.4930.06 | 101837.2 | 1.46
2015-07-1228 | 82.415 | 59.0604 | 2.4930.0 | 10160.0 | 0.0
2015-07-1324 | 75.218 | 64.4805 | 3.1129.85 | 10114.6 | 0.18
2015-07-1428 | 82.420 | 68.0777 | 4.3529.62 | 10034.1 | 0.16
2015-07-1525 | 77.019 | 66.2799 | 5.5929.71 | 10062.2 | 0.09
2015-07-1625 | 77.014 | 57.2656 | 3.7330.0 | 10160.1 | 0.0
2015-07-1727 | 80.618 | 64.4749 | 5.5930.03 | 10170.1 | 0.0
2015-07-1829 | 84.221 | 69.8777 | 4.3529.94 | 10140.5 | 0.02
2015-07-1932 | 89.621 | 69.8656 | 3.7329.85 | 10110.3 | 0.01
2015-07-2032 | 89.621 | 69.8646 | 3.7329.74 | 10071.5 | 0.06
2015-07-2129 | 84.221 | 69.8747 | 4.3529.68 | 10053.9 | 0.15
2015-07-2226 | 78.814 | 57.2598 | 4.9729.85 | 10110.2 | 0.01
2015-07-2327 | 80.613 | 55.4565 | 3.1129.94 | 10140.0 | 0.0
2015-07-2427 | 80.613 | 55.4595 | 3.1129.94 | 10140.0 | 0.0
2015-07-2528 | 82.416 | 60.8655 | 3.1129.97 | 10150.0 | 0.0
2015-07-2628 | 82.417 | 62.6659 | 5.5929.97 | 10150.7 | 0.03
2015-07-2729 | 84.220 | 68.0744 | 2.4929.97 | 10153.7 | 0.15
2015-07-2828 | 82.422 | 71.6825 | 3.1129.97 | 10159.8 | 0.39
2015-07-2928 | 82.422 | 71.6817 | 4.3529.97 | 10158.2 | 0.32
2015-07-3030 | 86.022 | 71.6776 | 3.7329.88 | 10128.1 | 0.32
2015-07-3128 | 82.415 | 59.0558 | 4.9729.91 | 10130.0 | 0.0

Manassas 11 Year Historical Weather Data

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