Hertfordshire, United Kingdom Climate

Weather: 11.02°C/51.84°F, Wind SW at 6.17 km/h, 57% Humidity, 0.62% Chance of rain

United Kingdom
(Photo by Nick Hawkes on Unsplash)
Contents

Hertfordshire Climate Summary

Located at an elevation of 119.14 meters (390.88 feet) above sea level, Hertfordshire has a Marine west coast, warm summer climate (Classification: Cfb). The city’s yearly temperature is 11.29ºC (52.32ºF) and it is 0.54% higher than United Kingdom’s averages. Hertfordshire typically receives about 41.36 millimeters (1.63 inches) of precipitation and has 115.11 rainy days (31.54% of the time) annually.

CountryUnited Kingdom
Longitude-0.2376744
Latitude51.8097823
Attitude/Elevation119.14m (390.88ft)
Local timeFriday 04:15
Annual high temperature13.7ºC (56.66ºF)
Annual low temperature6.9ºC (44.42ºF)
Average annual precip.41.36mm (1.63in)
Warmest monthJuly (21.6ºC / 70.88ºF)
Coldest MonthJanuary (1.75ºC / 35.15ºF)
Wettest MonthJune (57.42mm / 2.26in)
Driest MonthMarch (29.74mm / 1.17in)
Number of days with rainfall (≥ 1.0 mm)115.11 days (31.54%)
Days with no rain249.89 days (68.46%)
Humidity82.41%

Climate Hertfordshire: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)17.0(62.6)19.0(66.2)26.0(78.8)27.0(80.6)30.0(86.0)35.0(95.0)33.0(91.4)29.0(84.2)26.0(78.8)17.0(62.6)14.0(57.2)35.0(95.0)
Average high °C (°F)6.18(43.12)7.14(44.85)10.09(50.16)13.46(56.23)15.92(60.66)18.87(65.97)21.6(70.88)21.14(70.05)18.66(65.59)14.43(57.97)9.78(49.6)7.16(44.89)13.7(56.66)
Daily mean °C (°F)4.35(39.83)5.03(41.05)7.29(45.12)10.52(50.94)13.42(56.16)16.41(61.54)18.89(66.0)18.44(65.19)15.71(60.28)12.07(53.73)7.88(46.18)5.5(41.9)11.29(52.32)
Average low °C (°F)1.75(35.15)2.01(35.62)3.04(37.47)4.8(40.64)7.22(45.0)10.19(50.34)12.73(54.91)13.33(55.99)10.99(51.78)8.57(47.43)5.15(41.27)2.99(37.38)6.9(44.42)
Record low °C (°F)-6.0(21.2)-7.0(19.4)-6.0(21.2)-3.0(26.6)-2.0(28.4)-1.0(30.2)7.0(44.6)0.0(0)4.0(39.2)0.0(0)-4.0(24.8)-9.0(15.8)-9.0(15.8)
Average precipitation mm (inches)34.73(1.37)37.25(1.47)29.74(1.17)31.1(1.22)44.41(1.75)57.42(2.26)57.21(2.25)52.45(2.06)31.35(1.23)44.63(1.76)36.39(1.43)39.64(1.56)41.36(1.63)
Average precipitation days (≥ 1.0 mm)9.648.827.558.9110.1811.9111.7311.826.1810.08.829.559.59
Average relative humidity (%)88.7885.5282.3980.1680.6281.5576.7275.0977.8283.3787.5489.3482.41
Mean monthly sunshine hours5.895.98.6811.9312.412.6512.7612.3710.866.465.965.579.29

Climate Graph

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

Hertfordshire

Hertfordshire Temperature by Month

July
18.89°C | 66.0°F
August
18.44°C | 65.19°F
June
16.41°C | 61.54°F
September
15.71°C | 60.28°F
May
13.42°C | 56.16°F
October
12.07°C | 53.73°F
April
10.52°C | 50.94°F
November
7.88°C | 46.18°F
March
7.29°C | 45.12°F
December
5.5°C | 41.9°F
February
5.03°C | 41.05°F
January
4.35°C | 39.83°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 Temperature28.0°C (82.4°F)20.97°C (69.75°F)13.0°C (55.4°F)
Avg Temperature24.0°C (75.2°F)17.9°C (64.22°F)11.0°C (51.8°F)
Min Temperature15.0°C (59.0°F)10.13°C (50.23°F)5.0°C (41.0°F)
Dew PointMaxAverageMin
Dew Point15.0°C (59.0°F)11.03°C (51.85°F)5.0°C (41.0°F)
PrecipitationMaxAverageMinSum
Precipitation10.1mm | 0.4in1.21mm | 0.05in0.0mm | 0in36.2mm | 1.43in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind18.0kmh | 11.18mph9.93kmh | 6.17mph5.0kmh | 3.11mph
Gust Wind26.0kmh | 16.16mph14.87kmh | 9.24mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure10.1mb1.21mb0.0mb
Hertfordshire

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2010-06-0112 | 53.611 | 51.8966 | 3.7330.03 | 10174.8 | 0.19
2010-06-0218 | 64.411 | 51.8787 | 4.3530.15 | 10210.2 | 0.01
2010-06-0318 | 64.49 | 48.2719 | 5.5930.21 | 10230.0 | 0.0
2010-06-0421 | 69.812 | 53.6748 | 4.9730.12 | 10200.0 | 0.0
2010-06-0522 | 71.614 | 57.2746 | 3.7330.06 | 10180.9 | 0.04
2010-06-0618 | 64.415 | 59.0928 | 4.9729.88 | 101210.1 | 0.4
2010-06-0715 | 59.011 | 51.88610 | 6.2129.85 | 10111.1 | 0.04
2010-06-0815 | 59.013 | 55.49411 | 6.8429.59 | 10025.5 | 0.22
2010-06-0918 | 64.413 | 55.4876 | 3.7329.65 | 10042.4 | 0.09
2010-06-1015 | 59.012 | 53.69018 | 11.1829.77 | 10080.6 | 0.02
2010-06-1117 | 62.611 | 51.88211 | 6.8429.8 | 10091.2 | 0.05
2010-06-1215 | 59.09 | 48.27811 | 6.8429.97 | 10150.0 | 0.0
2010-06-1315 | 59.010 | 50.08011 | 6.8429.97 | 10153.6 | 0.14
2010-06-1416 | 60.810 | 50.07914 | 8.730.03 | 10173.7 | 0.15
2010-06-1514 | 57.27 | 44.67316 | 9.9430.33 | 10270.0 | 0.0
2010-06-1615 | 59.07 | 44.67314 | 8.730.3 | 10260.0 | 0.0
2010-06-1716 | 60.88 | 46.47613 | 8.0830.18 | 10220.0 | 0.0
2010-06-1815 | 59.010 | 50.08210 | 6.2130.12 | 10200.6 | 0.02
2010-06-1911 | 51.85 | 41.07216 | 9.9430.03 | 10170.2 | 0.01
2010-06-2014 | 57.26 | 42.86812 | 7.4630.15 | 10210.0 | 0.0
2010-06-2119 | 66.210 | 50.0736 | 3.7330.21 | 10230.0 | 0.0
2010-06-2222 | 71.612 | 53.6687 | 4.3530.21 | 10230.0 | 0.0
2010-06-2322 | 71.613 | 55.4707 | 4.3530.18 | 10220.0 | 0.0
2010-06-2421 | 69.813 | 55.4749 | 5.5930.09 | 10190.0 | 0.0
2010-06-2521 | 69.813 | 55.4699 | 5.5930.06 | 10180.0 | 0.0
2010-06-2622 | 71.614 | 57.27210 | 6.2130.03 | 10170.0 | 0.0
2010-06-2724 | 75.214 | 57.2685 | 3.1130.06 | 10180.0 | 0.0
2010-06-2823 | 73.411 | 51.8598 | 4.9730.12 | 10200.0 | 0.0
2010-06-2921 | 69.814 | 57.27112 | 7.4630.09 | 10191.1 | 0.04
2010-06-3022 | 71.613 | 55.4698 | 4.9730.06 | 10180.2 | 0.01

Hertfordshire 10 Year Historical Weather Data

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