Herm, Herm, Guernsey Climate

Weather: 10.61°C/51.1°F, Wind SW at 2.06 km/h, 66% Humidity, 0% Chance of rain

Guernsey
(Photo by Benoit Gauzere on Unsplash)
Contents

Herm Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Herm has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 12.39ºC (54.3ºF) and it is -0.11% lower than Guernsey’s averages. Herm typically receives about 47.26 millimeters (1.86 inches) of precipitation and has 121.79 rainy days (33.37% of the time) annually.

CountryGuernsey
CityHerm
Longitude-2.5343566
Latitude49.458187
Attitude/ElevationNonem (0ft)
Local timeThursday 14:03
Annual high temperature13.01ºC (55.42ºF)
Annual low temperature10.79ºC (51.42ºF)
Average annual precip.47.26mm (1.86in)
Warmest monthAugust (17.37ºC / 63.27ºF)
Coldest MonthFebruary (6.79ºC / 44.22ºF)
Wettest MonthDecember (78.57mm / 3.09in)
Driest MonthJuly (23.72mm / 0.93in)
Number of days with rainfall (≥ 1.0 mm)121.79 days (33.37%)
Days with no rain243.20999999999998 days (66.63%)
Humidity79.21%

Climate Herm: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.87(55.17)12.87(55.17)13.86(56.95)16.83(62.29)17.82(64.08)20.79(69.42)21.78(71.2)21.78(71.2)20.79(69.42)19.8(67.64)16.83(62.29)14.85(58.73)21.78(71.2)
Average high °C (°F)9.64(49.35)8.98(48.16)9.52(49.14)10.85(51.53)12.53(54.55)14.76(58.57)16.74(62.13)17.37(63.27)16.83(62.29)15.13(59.23)12.74(54.93)11.01(51.82)13.01(55.42)
Daily mean °C (°F)8.99(48.18)8.32(46.98)8.85(47.93)10.1(50.18)11.91(53.44)14.21(57.58)16.2(61.16)16.82(62.28)16.19(61.14)14.51(58.12)12.11(53.8)10.4(50.72)12.39(54.3)
Average low °C (°F)7.23(45.01)6.79(44.22)7.26(45.07)8.58(47.44)10.35(50.63)12.63(54.73)14.69(58.44)15.36(59.65)14.58(58.24)12.9(55.22)10.45(50.81)8.74(47.73)10.79(51.42)
Record low °C (°F)-2.97(26.65)-1.98(28.44)-2.97(26.65)-1.98(28.44)-0.99(30.22)1.98(35.56)5.94(42.69)0.0(0)3.96(39.13)2.97(37.35)-0.99(30.22)-1.98(28.44)-2.97(26.65)
Average precipitation mm (inches)64.0(2.52)51.2(2.02)38.85(1.53)30.2(1.19)27.06(1.07)32.31(1.27)23.72(0.93)42.63(1.68)36.73(1.45)68.41(2.69)73.5(2.89)78.57(3.09)47.26(1.86)
Average precipitation days (≥ 1.0 mm)14.2212.159.367.386.125.856.668.737.5712.9616.0214.7610.15
Average relative humidity (%)77.0176.9278.5978.9881.5183.883.3681.3478.7177.6176.4376.2179.21
Mean monthly sunshine hours5.516.029.0512.3412.9313.013.1912.6411.06.555.795.329.45

Climate Graph

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

Herm

Herm Temperature by Month

August
16.82°C | 62.28°F
July
16.2°C | 61.16°F
September
16.19°C | 61.14°F
October
14.51°C | 58.12°F
June
14.21°C | 57.58°F
November
12.11°C | 53.8°F
May
11.91°C | 53.44°F
December
10.4°C | 50.72°F
April
10.1°C | 50.18°F
January
8.99°C | 48.18°F
March
8.85°C | 47.93°F
February
8.32°C | 46.98°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 Temperature10.89°C (51.6°F)9.01°C (48.22°F)6.93°C (44.47°F)
Avg Temperature9.9°C (49.82°F)8.02°C (46.44°F)4.95°C (40.91°F)
Min Temperature7.92°C (46.26°F)1.53°C (34.75°F)-2.97°C (26.65°F)
Dew PointMaxAverageMin
Dew Point9.9°C (49.82°F)4.53°C (40.15°F)0.99°C (33.78°F)
PrecipitationMaxAverageMinSum
Precipitation23.37mm | 0.92in2.78mm | 0.11in0.0mm | 0in86.25mm | 3.4in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind53.47kmh | 33.22mph35.33kmh | 21.95mph13.86kmh | 8.61mph
Gust Wind76.25kmh | 47.38mph50.31kmh | 31.26mph19.8kmh | 12.3mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.37mb2.78mb0.0mb
Herm

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-03-017.92 | 46.262.97 | 37.356944.56 | 27.6929.04 | 983.2710.0 | 0.39
2020-03-026.93 | 44.471.98 | 35.566743.57 | 27.0729.04 | 983.278.32 | 0.33
2020-03-036.93 | 44.471.98 | 35.566426.74 | 16.6229.42 | 996.143.66 | 0.14
2020-03-048.91 | 48.045.94 | 42.698231.69 | 19.6929.45 | 997.132.87 | 0.11
2020-03-058.91 | 48.046.93 | 44.478438.62 | 24.029.07 | 984.2623.37 | 0.92
2020-03-066.93 | 44.472.97 | 37.356837.63 | 23.3829.45 | 997.1310.2 | 0.4
2020-03-078.91 | 48.045.94 | 42.697929.71 | 18.4629.77 | 1008.020.4 | 0.02
2020-03-088.91 | 48.045.94 | 42.697846.54 | 28.9229.56 | 1001.094.65 | 0.18
2020-03-098.91 | 48.044.95 | 40.917440.6 | 25.2329.77 | 1008.024.75 | 0.19
2020-03-109.9 | 49.829.9 | 49.829346.54 | 28.9229.62 | 1003.070.79 | 0.03
2020-03-119.9 | 49.828.91 | 48.048937.63 | 23.3829.65 | 1004.061.19 | 0.05
2020-03-127.92 | 46.262.97 | 37.356947.53 | 29.5329.71 | 1006.042.08 | 0.08
2020-03-137.92 | 46.263.96 | 39.136931.69 | 19.6929.88 | 1011.980.79 | 0.03
2020-03-148.91 | 48.046.93 | 44.478332.68 | 20.3129.71 | 1006.044.95 | 0.19
2020-03-158.91 | 48.045.94 | 42.698036.64 | 22.7729.5 | 999.112.18 | 0.09
2020-03-167.92 | 46.262.97 | 37.357020.79 | 12.9229.88 | 1011.980.5 | 0.02
2020-03-177.92 | 46.262.97 | 37.356513.86 | 8.6130.09 | 1018.920.0 | 0
2020-03-188.91 | 48.045.94 | 42.698017.82 | 11.0730.0 | 1015.950.0 | 0
2020-03-199.9 | 49.826.93 | 44.478314.85 | 9.2329.88 | 1011.980.0 | 0
2020-03-208.91 | 48.047.92 | 46.268947.53 | 29.5329.88 | 1011.982.67 | 0.11
2020-03-217.92 | 46.264.95 | 40.917747.53 | 29.5329.85 | 1010.990.0 | 0
2020-03-226.93 | 44.473.96 | 39.137341.59 | 25.8429.85 | 1010.990.0 | 0
2020-03-235.94 | 42.692.97 | 37.356832.68 | 20.3129.91 | 1012.970.2 | 0.01
2020-03-246.93 | 44.473.96 | 39.137020.79 | 12.9229.91 | 1012.970.0 | 0
2020-03-257.92 | 46.261.98 | 35.566422.77 | 14.1529.88 | 1011.980.0 | 0
2020-03-267.92 | 46.262.97 | 37.356728.72 | 17.8529.85 | 1010.990.0 | 0
2020-03-277.92 | 46.263.96 | 39.137328.72 | 17.8529.85 | 1010.990.2 | 0.01
2020-03-288.91 | 48.044.95 | 40.917945.55 | 28.329.97 | 1014.960.2 | 0.01
2020-03-295.94 | 42.690.99 | 33.786853.47 | 33.2230.26 | 1024.860.1 | 0.0
2020-03-304.95 | 40.911.98 | 35.567342.58 | 26.4630.23 | 1023.870.69 | 0.03
2020-03-316.93 | 44.472.97 | 37.357243.57 | 27.0730.06 | 1017.931.49 | 0.06

Herm 11 Year Historical Weather Data

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