Portsmouth, Virginia, United States Climate
Weather: 27.1°C/80.78°F, Wind SW at 3.6 km/h, 57% Humidity, 0% Chance of rain
(Photo by David Knox on Unsplash)
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.
Country | United States |
City | Virginia |
Longitude | -76.2982742 |
Latitude | 36.8354258 |
Attitude/Elevation | 2.6m (8.53ft) |
Local time | Friday 01:41 |
Annual high temperature | 19.42ºC (66.96ºF) |
Annual low temperature | 12.99ºC (55.38ºF) |
Average annual precip. | 114.59mm (4.51in) |
Warmest month | July (30.54ºC / 86.97ºF) |
Coldest Month | January (1.82ºC / 35.28ºF) |
Wettest Month | September (167.69mm / 6.6in) |
Driest Month | November (67.47mm / 2.66in) |
Number of days with rainfall (≥ 1.0 mm) | 156.9 days (42.99%) |
Days with no rain | 208.1 days (57.01%) |
Humidity | 74.93% |
Climate Portsmouth: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | 9.09 | 11.45 | 12.45 | 12.18 | 17.55 | 16.64 | 18.09 | 18.27 | 13.09 | 9.18 | 8.64 | 10.27 | 13.08 |
Average relative humidity (%) | 74.62 | 75.83 | 75.1 | 74.52 | 77.35 | 74.84 | 73.9 | 74.72 | 75.52 | 73.89 | 72.65 | 76.22 | 74.93 |
Mean monthly sunshine hours | 7.19 | 7.16 | 9.99 | 12.27 | 13.12 | 13.87 | 13.81 | 12.99 | 11.62 | 7.69 | 7.45 | 7.06 | 10.35 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Portsmouth in recent years.
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
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 27.0°C (80.6°F) | 22.19°C (71.94°F) | 14.0°C (57.2°F) | |
Avg Temperature | 24.0°C (75.2°F) | 18.97°C (66.15°F) | 13.0°C (55.4°F) | |
Min Temperature | 20.0°C (68.0°F) | 14.03°C (57.25°F) | 8.0°C (46.4°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 20.0°C (68.0°F) | 12.23°C (54.01°F) | 4.0°C (39.2°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 15.7mm | 0.62in | 1.7mm | 0.07in | 0.0mm | 0in | 52.6mm | 2.07in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 25.0kmh | 15.53mph | 15.29kmh | 9.5mph | 7.0kmh | 4.35mph | |
Gust Wind | 37.0kmh | 22.99mph | 24.61kmh | 15.29mph | 13.0kmh | 8.08mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 15.7mb | 1.7mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
October | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2014-10-01 | 22 | 71.6 | 17 | 62.6 | 82 | 11 | 6.84 | 29.97 | 1015 | 0.0 | 0.0 |
2014-10-02 | 21 | 69.8 | 16 | 60.8 | 81 | 9 | 5.59 | 30.06 | 1018 | 0.1 | 0.0 |
2014-10-03 | 22 | 71.6 | 17 | 62.6 | 81 | 12 | 7.46 | 29.97 | 1015 | 1.6 | 0.06 |
2014-10-04 | 21 | 69.8 | 14 | 57.2 | 71 | 21 | 13.05 | 29.71 | 1006 | 12.0 | 0.47 |
2014-10-05 | 15 | 59.0 | 4 | 39.2 | 54 | 13 | 8.08 | 29.94 | 1014 | 0.0 | 0.0 |
2014-10-06 | 18 | 64.4 | 9 | 48.2 | 64 | 16 | 9.94 | 30.06 | 1018 | 0.0 | 0.0 |
2014-10-07 | 20 | 68.0 | 14 | 57.2 | 72 | 18 | 11.18 | 30.06 | 1018 | 0.1 | 0.0 |
2014-10-08 | 23 | 73.4 | 16 | 60.8 | 75 | 16 | 9.94 | 29.94 | 1014 | 0.4 | 0.02 |
2014-10-09 | 22 | 71.6 | 12 | 53.6 | 61 | 9 | 5.59 | 30.09 | 1019 | 0.3 | 0.01 |
2014-10-10 | 22 | 71.6 | 13 | 55.4 | 65 | 11 | 6.84 | 30.06 | 1018 | 0.2 | 0.01 |
2014-10-11 | 21 | 69.8 | 17 | 62.6 | 87 | 17 | 10.56 | 30.0 | 1016 | 7.3 | 0.29 |
2014-10-12 | 18 | 64.4 | 14 | 57.2 | 79 | 17 | 10.56 | 30.18 | 1022 | 0.9 | 0.04 |
2014-10-13 | 22 | 71.6 | 18 | 64.4 | 84 | 13 | 8.08 | 30.24 | 1024 | 2.3 | 0.09 |
2014-10-14 | 24 | 75.2 | 20 | 68.0 | 85 | 19 | 11.81 | 30.09 | 1019 | 0.0 | 0.0 |
2014-10-15 | 23 | 73.4 | 20 | 68.0 | 90 | 20 | 12.43 | 29.85 | 1011 | 15.7 | 0.62 |
2014-10-16 | 19 | 66.2 | 13 | 55.4 | 78 | 15 | 9.32 | 29.77 | 1008 | 1.5 | 0.06 |
2014-10-17 | 19 | 66.2 | 13 | 55.4 | 76 | 12 | 7.46 | 29.8 | 1009 | 0.0 | 0.0 |
2014-10-18 | 20 | 68.0 | 12 | 53.6 | 71 | 18 | 11.18 | 29.74 | 1007 | 0.0 | 0.0 |
2014-10-19 | 13 | 55.4 | 5 | 41.0 | 64 | 21 | 13.05 | 30.0 | 1016 | 0.0 | 0.0 |
2014-10-20 | 15 | 59.0 | 6 | 42.8 | 61 | 11 | 6.84 | 30.06 | 1018 | 0.0 | 0.0 |
2014-10-21 | 19 | 66.2 | 13 | 55.4 | 77 | 11 | 6.84 | 29.85 | 1011 | 1.3 | 0.05 |
2014-10-22 | 13 | 55.4 | 11 | 51.8 | 88 | 25 | 15.53 | 29.83 | 1010 | 5.1 | 0.2 |
2014-10-23 | 15 | 59.0 | 9 | 48.2 | 73 | 25 | 15.53 | 29.88 | 1012 | 0.4 | 0.02 |
2014-10-24 | 16 | 60.8 | 9 | 48.2 | 71 | 17 | 10.56 | 29.94 | 1014 | 0.0 | 0.0 |
2014-10-25 | 17 | 62.6 | 8 | 46.4 | 63 | 11 | 6.84 | 29.88 | 1012 | 0.0 | 0.0 |
2014-10-26 | 18 | 64.4 | 8 | 46.4 | 60 | 16 | 9.94 | 29.83 | 1010 | 0.0 | 0.0 |
2014-10-27 | 19 | 66.2 | 8 | 46.4 | 57 | 7 | 4.35 | 30.06 | 1018 | 0.0 | 0.0 |
2014-10-28 | 20 | 68.0 | 10 | 50.0 | 61 | 16 | 9.94 | 30.06 | 1018 | 0.0 | 0.0 |
2014-10-29 | 21 | 69.8 | 15 | 59.0 | 77 | 19 | 11.81 | 29.97 | 1015 | 0.6 | 0.02 |
2014-10-30 | 16 | 60.8 | 10 | 50.0 | 73 | 13 | 8.08 | 30.0 | 1016 | 2.6 | 0.1 |
2014-10-31 | 14 | 57.2 | 8 | 46.4 | 70 | 15 | 9.32 | 29.88 | 1012 | 0.2 | 0.01 |
Portsmouth 11 Year Historical Weather Data
- Portsmouth, Virginia weather in October 2020
- Portsmouth, Virginia weather in October 2019
- Portsmouth, Virginia weather in October 2018
- Portsmouth, Virginia weather in October 2017
- Portsmouth, Virginia weather in October 2016
- Portsmouth, Virginia weather in October 2015
- Portsmouth, Virginia weather in October 2013
- Portsmouth, Virginia weather in October 2012
- Portsmouth, Virginia weather in October 2011
- Portsmouth, Virginia weather in October 2010
Nearby locations
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- Fair Oaks 118.84 km ( 73.84 mi)
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- East Highland Park 128.57 km ( 79.89 mi)
- Manchester 132.35 km ( 82.24 mi)
- Lakeside 135.23 km ( 84.03 mi)
- Bon Air 135.51 km ( 84.20 mi)
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- Cherry Hill 210.60 km ( 130.86 mi)
- Dale City 218.99 km ( 136.07 mi)
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- Lake Ridge 223.67 km ( 138.98 mi)
- Newington Forest 227.15 km ( 141.15 mi)
- Huntington 227.94 km ( 141.63 mi)
- Alexandria 228.31 km ( 141.87 mi)
- Franconia 228.60 km ( 142.05 mi)
- Burke 233.61 km ( 145.16 mi)
- Annandale 235.11 km ( 146.09 mi)
- Fairfax Station 236.22 km ( 146.78 mi)
- Manassas 236.53 km ( 146.97 mi)
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- Linton Hall 241.38 km ( 149.99 mi)
- Idylwood 242.32 km ( 150.57 mi)
- Centreville 243.77 km ( 151.47 mi)
- Reston 253.39 km ( 157.45 mi)
- Madison Heights 259.55 km ( 161.27 mi)
- Sterling 260.70 km ( 161.99 mi)
- Brambleton 261.52 km ( 162.50 mi)
- Cascades 263.53 km ( 163.75 mi)
- Leesburg 276.43 km ( 171.76 mi)
- Danville 278.06 km ( 172.78 mi)
- Winchester 308.01 km ( 191.39 mi)
- Christiansburg 367.41 km ( 228.30 mi)
- Bristol 526.86 km ( 327.37 mi)
- Rose Hill 631.38 km ( 392.32 mi)
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