Great Falls, Virginia, United States Climate

Weather: 19.53°C/67.15°F, Wind SW at 1.39 km/h, 88% Humidity, 0% Chance of rain

United States
(Photo by Matthew Payne on Unsplash)
Contents

Great Falls Climate Summary

Located at an elevation of 104.59 meters (343.14 feet) above sea level, Great Falls has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.96ºC (58.93ºF) and it is 2.32% higher than United States’s averages. Great Falls typically receives about 121.15 millimeters (4.77 inches) of precipitation and has 151.53 rainy days (41.52% of the time) annually.

CountryUnited States
CityVirginia
Longitude-77.2883157
Latitude38.9981652
Attitude/Elevation104.59m (343.14ft)
Local timeTuesday 05:13
Annual high temperature18.48ºC (65.26ºF)
Annual low temperature9.08ºC (48.34ºF)
Average annual precip.121.15mm (4.77in)
Warmest monthJuly (31.84ºC / 89.31ºF)
Coldest MonthJanuary (-2.88ºC / 26.82ºF)
Wettest MonthMay (142.55mm / 5.61in)
Driest MonthNovember (83.95mm / 3.31in)
Number of days with rainfall (≥ 1.0 mm)151.53 days (41.52%)
Days with no rain213.47 days (58.48%)
Humidity71.87%

Climate Great Falls: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)19.0(66.2)25.0(77.0)26.0(78.8)32.0(89.6)38.0(100.4)39.0(102.2)40.0(104.0)38.0(100.4)38.0(100.4)34.0(93.2)25.0(77.0)22.0(71.6)40.0(104.0)
Average high °C (°F)4.24(39.63)6.6(43.88)11.46(52.63)18.28(64.9)24.07(75.33)28.78(83.8)31.84(89.31)30.38(86.68)26.58(79.84)19.8(67.64)12.22(54.0)7.56(45.61)18.48(65.26)
Daily mean °C (°F)1.38(34.48)3.35(38.03)7.8(46.04)14.39(57.9)20.35(68.63)25.16(77.29)28.14(82.65)26.49(79.68)22.7(72.86)16.13(61.03)8.85(47.93)4.77(40.59)14.96(58.93)
Average low °C (°F)-2.88(26.82)-1.57(29.17)2.33(36.19)7.8(46.04)13.34(56.01)17.6(63.68)20.68(69.22)19.74(67.53)16.55(61.79)10.56(51.01)3.89(39.0)0.89(33.6)9.08(48.34)
Record low °C (°F)-16.0(3.2)-19.0(-2.2)-14.0(6.8)-3.0(26.6)2.0(35.6)9.0(48.2)13.0(55.4)13.0(55.4)7.0(44.6)-1.0(30.2)-7.0(19.4)-10.0(14.0)-19.0(-2.2)
Average precipitation mm (inches)94.42(3.72)117.47(4.62)120.45(4.74)110.34(4.34)142.55(5.61)122.58(4.83)140.81(5.54)142.22(5.6)129.56(5.1)134.97(5.31)83.95(3.31)114.45(4.51)121.15(4.77)
Average precipitation days (≥ 1.0 mm)10.4511.3612.9114.2716.0914.1815.0917.012.9110.187.649.4512.63
Average relative humidity (%)72.6874.771.9170.1374.2170.568.1569.5471.9573.3870.6474.6671.87
Mean monthly sunshine hours8.258.969.5810.1712.0813.6112.9110.910.339.738.066.8110.12

Climate Graph

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

Great Falls

Great Falls Temperature by Month

July
28.14°C | 82.65°F
August
26.49°C | 79.68°F
June
25.16°C | 77.29°F
September
22.7°C | 72.86°F
May
20.35°C | 68.63°F
October
16.13°C | 61.03°F
April
14.39°C | 57.9°F
November
8.85°C | 47.93°F
March
7.8°C | 46.04°F
December
4.77°C | 40.59°F
February
3.35°C | 38.03°F
January
1.38°C | 34.48°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 Temperature24.0°C (75.2°F)14.42°C (57.96°F)8.0°C (46.4°F)
Avg Temperature20.0°C (68.0°F)11.06°C (51.91°F)4.0°C (39.2°F)
Min Temperature18.0°C (64.4°F)6.77°C (44.19°F)-3.0°C (26.6°F)
Dew PointMaxAverageMin
Dew Point15.0°C (59.0°F)3.23°C (37.81°F)-9.0°C (15.8°F)
PrecipitationMaxAverageMinSum
Precipitation23.7mm | 0.93in4.07mm | 0.16in0.0mm | 0in126.2mm | 4.97in
Snowdepth0.7mm | 0.03in0.02mm | 0.0in0.0mm | 0in0.7mm | 0.03in
WindMaxAverageMin
Wind23.0kmh | 14.29mph13.55kmh | 8.42mph7.0kmh | 4.35mph
Gust Wind32.0kmh | 19.88mph19.74kmh | 12.27mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.7mb4.07mb0.0mb
Great Falls

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-03-014 | 39.2-9 | 15.84512 | 7.4630.15 | 10210.0 | 0.0
2020-03-028 | 46.4-0 | 32.05815 | 9.3230.03 | 10170.1 | 0.0
2020-03-0312 | 53.68 | 46.47813 | 8.0829.74 | 10070.6 | 0.02
2020-03-0410 | 50.00 | 32.05317 | 10.5629.83 | 10100.3 | 0.01
2020-03-058 | 46.4-2 | 28.45112 | 7.4630.06 | 10180.0 | 0.0
2020-03-068 | 46.4-1 | 30.25718 | 11.1829.85 | 10110.9 | 0.04
2020-03-075 | 41.0-5 | 23.05523 | 14.2930.21 | 10231.2 | 0.05
2020-03-089 | 48.2-3 | 26.64910 | 6.2130.45 | 10310.0 | 0.0
2020-03-0914 | 57.22 | 35.65110 | 6.2130.36 | 10280.0 | 0.0
2020-03-1015 | 59.09 | 48.27020 | 12.4330.15 | 10212.9 | 0.11
2020-03-1110 | 50.02 | 35.66210 | 6.2130.09 | 10190.3 | 0.01
2020-03-1212 | 53.67 | 44.6747 | 4.3530.03 | 10173.0 | 0.12
2020-03-1317 | 62.68 | 46.46621 | 13.0529.91 | 101314.2 | 0.56
2020-03-148 | 46.4-4 | 24.84314 | 8.730.39 | 10290.1 | 0.0
2020-03-157 | 44.6-0 | 32.06310 | 6.2130.47 | 10321.7 | 0.07
2020-03-168 | 46.4-2 | 28.45512 | 7.4630.47 | 10320.0 | 0.0
2020-03-1711 | 51.86 | 42.87512 | 7.4630.21 | 10230.9 | 0.04
2020-03-1811 | 51.81 | 33.85811 | 6.8430.42 | 10300.3 | 0.01
2020-03-1917 | 62.612 | 53.68412 | 7.4630.18 | 102223.7 | 0.93
2020-03-2020 | 68.015 | 59.07816 | 9.9430.0 | 10165.1 | 0.2
2020-03-219 | 48.21 | 33.85316 | 9.9430.27 | 10250.0 | 0.0
2020-03-227 | 44.6-6 | 21.24313 | 8.0830.53 | 10340.0 | 0.0
2020-03-237 | 44.64 | 39.28413 | 8.0830.33 | 102714.0 | 0.55
2020-03-2411 | 51.85 | 41.0718 | 4.9730.12 | 10200.0 | 0.0
2020-03-257 | 44.65 | 41.08514 | 8.729.91 | 101316.7 | 0.66
2020-03-2610 | 50.04 | 39.26910 | 6.2130.03 | 10170.2 | 0.01
2020-03-2718 | 64.410 | 50.07115 | 9.3229.8 | 10094.6 | 0.18
2020-03-2814 | 57.211 | 51.88514 | 8.729.94 | 101423.4 | 0.92
2020-03-2920 | 68.015 | 59.08311 | 6.8429.85 | 101111.7 | 0.46
2020-03-3015 | 59.04 | 39.25018 | 11.1829.91 | 10130.0 | 0.0
2020-03-3111 | 51.83 | 37.46313 | 8.0829.91 | 10130.3 | 0.01

Great Falls 11 Year Historical Weather Data

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