Harrow, United Kingdom Climate

Weather: 8.75°C/47.75°F, Wind SW at 5.14 km/h, 90% Humidity, 0% Chance of rain

United Kingdom
(Photo by Katie Blackmore on Unsplash)
Contents

Harrow Climate Summary

Located at an elevation of 65.04 meters (213.39 feet) above sea level, Harrow has a Marine west coast, warm summer climate (Classification: Cfb). The city’s yearly temperature is 11.86ºC (53.35ºF) and it is 1.11% higher than United Kingdom’s averages. Harrow typically receives about 48.55 millimeters (1.91 inches) of precipitation and has 123.11 rainy days (33.73% of the time) annually.

CountryUnited Kingdom
Longitude-0.341995
Latitude51.580559
Attitude/Elevation65.04m (213.39ft)
Local timeFriday 02:33
Annual high temperature14.29ºC (57.72ºF)
Annual low temperature7.5ºC (45.5ºF)
Average annual precip.48.55mm (1.91in)
Warmest monthJuly (22.35ºC / 72.23ºF)
Coldest MonthJanuary (2.13ºC / 35.83ºF)
Wettest MonthJune (74.02mm / 2.91in)
Driest MonthJanuary (37.06mm / 1.46in)
Number of days with rainfall (≥ 1.0 mm)123.11 days (33.73%)
Days with no rain241.89 days (66.27%)
Humidity80.01%

Climate Harrow: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)19.0(66.2)20.0(68.0)27.0(80.6)28.0(82.4)32.0(89.6)36.0(96.8)34.0(93.2)30.0(86.0)27.0(80.6)18.0(64.4)14.0(57.2)36.0(96.8)
Average high °C (°F)6.7(44.06)7.57(45.63)10.55(50.99)14.18(57.52)16.67(62.01)19.71(67.48)22.35(72.23)21.71(71.08)19.21(66.58)14.87(58.77)10.34(50.61)7.67(45.81)14.29(57.72)
Daily mean °C (°F)4.81(40.66)5.5(41.9)7.81(46.06)11.21(52.18)14.13(57.43)17.18(62.92)19.55(67.19)18.94(66.09)16.22(61.2)12.56(54.61)8.44(47.19)5.99(42.78)11.86(53.35)
Average low °C (°F)2.13(35.83)2.53(36.55)3.6(38.48)5.49(41.88)8.12(46.62)10.97(51.75)13.6(56.48)13.81(56.86)11.52(52.74)9.08(48.34)5.69(42.24)3.47(38.25)7.5(45.5)
Record low °C (°F)-7.0(19.4)-7.0(19.4)-4.0(24.8)-3.0(26.6)-2.0(28.4)0.0(0)8.0(46.4)0.0(0)4.0(39.2)0.0(0)-5.0(23.0)-9.0(15.8)-9.0(15.8)
Average precipitation mm (inches)37.06(1.46)44.05(1.73)37.14(1.46)40.31(1.59)56.32(2.22)74.02(2.91)61.77(2.43)62.77(2.47)39.1(1.54)48.62(1.91)39.39(1.55)42.02(1.65)48.55(1.91)
Average precipitation days (≥ 1.0 mm)9.188.557.559.6412.5513.4513.5513.557.739.648.369.3610.26
Average relative humidity (%)87.3883.8480.4276.8876.5377.3173.4573.4176.1381.4985.6387.6880.01
Mean monthly sunshine hours5.875.928.711.9412.4112.6812.7212.3610.846.475.955.569.29

Climate Graph

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

Harrow

Harrow Temperature by Month

July
19.55°C | 67.19°F
August
18.94°C | 66.09°F
June
17.18°C | 62.92°F
September
16.22°C | 61.2°F
May
14.13°C | 57.43°F
October
12.56°C | 54.61°F
April
11.21°C | 52.18°F
November
8.44°C | 47.19°F
March
7.81°C | 46.06°F
December
5.99°C | 42.78°F
February
5.5°C | 41.9°F
January
4.81°C | 40.66°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature13.0°C (55.4°F)7.48°C (45.46°F)3.0°C (37.4°F)
Avg Temperature11.0°C (51.8°F)6.16°C (43.09°F)1.0°C (33.8°F)
Min Temperature9.0°C (48.2°F)3.13°C (37.63°F)-4.0°C (24.8°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)3.32°C (37.98°F)-3.0°C (26.6°F)
PrecipitationMaxAverageMinSum
Precipitation9.3mm | 0.37in1.75mm | 0.07in0.0mm | 0in54.3mm | 2.14in
Snowdepth2.4mm | 0.09in0.08mm | 0.0in0.0mm | 0in2.4mm | 0.09in
WindMaxAverageMin
Wind31.0kmh | 19.26mph15.06kmh | 9.36mph5.0kmh | 3.11mph
Gust Wind43.0kmh | 26.72mph22.74kmh | 14.13mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure9.3mb1.75mb0.0mb
Harrow

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-12-016 | 42.82 | 35.67518 | 11.1830.24 | 10240.0 | 0.0
2020-12-025 | 41.01 | 33.8809 | 5.5930.06 | 10180.0 | 0.0
2020-12-035 | 41.02 | 35.6858 | 4.9729.38 | 9951.9 | 0.07
2020-12-044 | 39.21 | 33.88014 | 8.728.91 | 9790.0 | 0.0
2020-12-055 | 41.01 | 33.87814 | 8.729.26 | 9910.2 | 0.01
2020-12-064 | 39.21 | 33.88213 | 8.0829.56 | 10010.0 | 0.0
2020-12-074 | 39.21 | 33.8856 | 3.7329.53 | 10000.1 | 0.0
2020-12-084 | 39.21 | 33.8835 | 3.1129.62 | 10030.0 | 0.0
2020-12-095 | 41.02 | 35.68212 | 7.4629.68 | 10050.5 | 0.02
2020-12-106 | 42.84 | 39.28415 | 9.3229.5 | 9990.2 | 0.01
2020-12-119 | 48.27 | 44.69210 | 6.2129.18 | 9886.8 | 0.27
2020-12-127 | 44.65 | 41.08612 | 7.4629.44 | 9970.0 | 0.0
2020-12-136 | 42.85 | 41.08717 | 10.5629.65 | 10043.2 | 0.13
2020-12-1410 | 50.07 | 44.67820 | 12.4329.5 | 9995.7 | 0.22
2020-12-158 | 46.46 | 42.88413 | 8.0829.68 | 10050.1 | 0.0
2020-12-168 | 46.46 | 42.88319 | 11.8129.74 | 10070.5 | 0.02
2020-12-178 | 46.45 | 41.08215 | 9.3229.91 | 10130.1 | 0.0
2020-12-1811 | 51.88 | 46.48426 | 16.1629.83 | 10101.0 | 0.04
2020-12-1910 | 50.06 | 42.87623 | 14.2929.68 | 10053.1 | 0.12
2020-12-208 | 46.44 | 39.27716 | 9.9429.91 | 10130.9 | 0.04
2020-12-2111 | 51.89 | 48.28720 | 12.4329.74 | 10073.3 | 0.13
2020-12-2210 | 50.09 | 48.28812 | 7.4629.83 | 10103.0 | 0.12
2020-12-2311 | 51.89 | 48.2908 | 4.9729.68 | 10059.3 | 0.37
2020-12-244 | 39.2-0 | 32.07231 | 19.2630.09 | 10193.7 | 0.15
2020-12-252 | 35.6-2 | 28.47516 | 9.9430.45 | 10310.0 | 0.0
2020-12-265 | 41.03 | 37.48522 | 13.6730.03 | 10171.5 | 0.06
2020-12-276 | 42.82 | 35.67525 | 15.5328.88 | 9786.4 | 0.25
2020-12-283 | 37.40 | 32.07917 | 10.5628.61 | 9692.8 | 0.11
2020-12-293 | 37.41 | 33.88510 | 6.2129.15 | 9870.0 | 0.0
2020-12-302 | 35.6-0 | 32.08210 | 6.2129.59 | 10020.0 | 0.0
2020-12-311 | 33.8-3 | 26.67511 | 6.8429.59 | 10020.0 | 0.0

Harrow 10 Year Historical Weather Data

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