Portsmouth, Virginia, United States Climate

Weather: 10.47°C/50.85°F, Wind SW at 5.14 km/h, 87% Humidity, 0% Chance of rain

United States
(Photo by David Knox on Unsplash)
Contents

Portsmouth Climate Summary

Located at an elevation of 2.6 meters (8.53 feet) above sea level, Portsmouth has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 16.97ºC (62.55ºF) and it is 4.33% higher than United States’s averages. Portsmouth typically receives about 114.59 millimeters (4.51 inches) of precipitation and has 156.9 rainy days (42.99% of the time) annually.

CountryUnited States
CityVirginia
Longitude-76.2982742
Latitude36.8354258
Attitude/Elevation2.6m (8.53ft)
Local timeFriday 21:14
Annual high temperature19.42ºC (66.96ºF)
Annual low temperature12.99ºC (55.38ºF)
Average annual precip.114.59mm (4.51in)
Warmest monthJuly (30.54ºC / 86.97ºF)
Coldest MonthJanuary (1.82ºC / 35.28ºF)
Wettest MonthSeptember (167.69mm / 6.6in)
Driest MonthNovember (67.47mm / 2.66in)
Number of days with rainfall (≥ 1.0 mm)156.9 days (42.99%)
Days with no rain208.1 days (57.01%)
Humidity74.93%

Climate Portsmouth: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)20.0(68.0)22.0(71.6)27.0(80.6)27.0(80.6)32.0(89.6)37.0(98.6)37.0(98.6)37.0(98.6)34.0(93.2)32.0(89.6)25.0(77.0)23.0(73.4)37.0(98.6)
Average high °C (°F)7.61(45.7)9.38(48.88)12.59(54.66)18.28(64.9)23.31(73.96)28.03(82.45)30.54(86.97)29.65(85.37)26.77(80.19)21.39(70.5)14.77(58.59)10.69(51.24)19.42(66.96)
Daily mean °C (°F)5.38(41.68)6.87(44.37)9.98(49.96)15.62(60.12)20.88(69.58)25.57(78.03)28.05(82.49)27.08(80.74)24.36(75.85)18.92(66.06)12.36(54.25)8.54(47.37)16.97(62.55)
Average low °C (°F)1.82(35.28)2.91(37.24)6.13(43.03)11.19(52.14)16.4(61.52)21.07(69.93)23.58(74.44)23.07(73.53)20.63(69.13)15.19(59.34)8.7(47.66)5.23(41.41)12.99(55.38)
Record low °C (°F)-11.0(12.2)-14.0(6.8)-6.0(21.2)1.0(33.8)5.0(41.0)13.0(55.4)17.0(62.6)15.0(59.0)13.0(55.4)3.0(37.4)-3.0(26.6)-9.0(15.8)-14.0(6.8)
Average precipitation mm (inches)76.45(3.01)85.04(3.35)91.16(3.59)99.65(3.92)143.81(5.66)132.1(5.2)157.55(6.2)166.99(6.57)167.69(6.6)105.38(4.15)67.47(2.66)81.76(3.22)114.59(4.51)
Average precipitation days (≥ 1.0 mm)9.0911.4512.4512.1817.5516.6418.0918.2713.099.188.6410.2713.08
Average relative humidity (%)74.6275.8375.174.5277.3574.8473.974.7275.5273.8972.6576.2274.93
Mean monthly sunshine hours7.197.169.9912.2713.1213.8713.8112.9911.627.697.457.0610.35

Climate Graph

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

Portsmouth

Portsmouth Temperature by Month

July
28.05°C | 82.49°F
August
27.08°C | 80.74°F
June
25.57°C | 78.03°F
September
24.36°C | 75.85°F
May
20.88°C | 69.58°F
October
18.92°C | 66.06°F
April
15.62°C | 60.12°F
November
12.36°C | 54.25°F
March
9.98°C | 49.96°F
December
8.54°C | 47.37°F
February
6.87°C | 44.37°F
January
5.38°C | 41.68°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 Temperature27.0°C (80.6°F)22.19°C (71.94°F)14.0°C (57.2°F)
Avg Temperature24.0°C (75.2°F)18.97°C (66.15°F)13.0°C (55.4°F)
Min Temperature20.0°C (68.0°F)14.03°C (57.25°F)8.0°C (46.4°F)
Dew PointMaxAverageMin
Dew Point20.0°C (68.0°F)12.23°C (54.01°F)4.0°C (39.2°F)
PrecipitationMaxAverageMinSum
Precipitation15.7mm | 0.62in1.7mm | 0.07in0.0mm | 0in52.6mm | 2.07in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind25.0kmh | 15.53mph15.29kmh | 9.5mph7.0kmh | 4.35mph
Gust Wind37.0kmh | 22.99mph24.61kmh | 15.29mph13.0kmh | 8.08mph
Sea Level PressureMaxAverageMin
Sea Level Pressure15.7mb1.7mb0.0mb
Portsmouth

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2014-10-0122 | 71.617 | 62.68211 | 6.8429.97 | 10150.0 | 0.0
2014-10-0221 | 69.816 | 60.8819 | 5.5930.06 | 10180.1 | 0.0
2014-10-0322 | 71.617 | 62.68112 | 7.4629.97 | 10151.6 | 0.06
2014-10-0421 | 69.814 | 57.27121 | 13.0529.71 | 100612.0 | 0.47
2014-10-0515 | 59.04 | 39.25413 | 8.0829.94 | 10140.0 | 0.0
2014-10-0618 | 64.49 | 48.26416 | 9.9430.06 | 10180.0 | 0.0
2014-10-0720 | 68.014 | 57.27218 | 11.1830.06 | 10180.1 | 0.0
2014-10-0823 | 73.416 | 60.87516 | 9.9429.94 | 10140.4 | 0.02
2014-10-0922 | 71.612 | 53.6619 | 5.5930.09 | 10190.3 | 0.01
2014-10-1022 | 71.613 | 55.46511 | 6.8430.06 | 10180.2 | 0.01
2014-10-1121 | 69.817 | 62.68717 | 10.5630.0 | 10167.3 | 0.29
2014-10-1218 | 64.414 | 57.27917 | 10.5630.18 | 10220.9 | 0.04
2014-10-1322 | 71.618 | 64.48413 | 8.0830.24 | 10242.3 | 0.09
2014-10-1424 | 75.220 | 68.08519 | 11.8130.09 | 10190.0 | 0.0
2014-10-1523 | 73.420 | 68.09020 | 12.4329.85 | 101115.7 | 0.62
2014-10-1619 | 66.213 | 55.47815 | 9.3229.77 | 10081.5 | 0.06
2014-10-1719 | 66.213 | 55.47612 | 7.4629.8 | 10090.0 | 0.0
2014-10-1820 | 68.012 | 53.67118 | 11.1829.74 | 10070.0 | 0.0
2014-10-1913 | 55.45 | 41.06421 | 13.0530.0 | 10160.0 | 0.0
2014-10-2015 | 59.06 | 42.86111 | 6.8430.06 | 10180.0 | 0.0
2014-10-2119 | 66.213 | 55.47711 | 6.8429.85 | 10111.3 | 0.05
2014-10-2213 | 55.411 | 51.88825 | 15.5329.83 | 10105.1 | 0.2
2014-10-2315 | 59.09 | 48.27325 | 15.5329.88 | 10120.4 | 0.02
2014-10-2416 | 60.89 | 48.27117 | 10.5629.94 | 10140.0 | 0.0
2014-10-2517 | 62.68 | 46.46311 | 6.8429.88 | 10120.0 | 0.0
2014-10-2618 | 64.48 | 46.46016 | 9.9429.83 | 10100.0 | 0.0
2014-10-2719 | 66.28 | 46.4577 | 4.3530.06 | 10180.0 | 0.0
2014-10-2820 | 68.010 | 50.06116 | 9.9430.06 | 10180.0 | 0.0
2014-10-2921 | 69.815 | 59.07719 | 11.8129.97 | 10150.6 | 0.02
2014-10-3016 | 60.810 | 50.07313 | 8.0830.0 | 10162.6 | 0.1
2014-10-3114 | 57.28 | 46.47015 | 9.3229.88 | 10120.2 | 0.01

Portsmouth 11 Year Historical Weather Data

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