Jethou, Jethou, Guernsey Climate

Weather: 9.4°C/48.92°F, Wind SW at 2.06 km/h, 100% Humidity, 0% Chance of rain

Contents

Jethou Climate Summary

Located at an elevation of 62.1 meters (203.74 feet) above sea level, Jethou 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. Jethou typically receives about 47.29 millimeters (1.86 inches) of precipitation and has 121.85 rainy days (33.38% of the time) annually.

CountryGuernsey
CityJethou
Longitude-2.4630109
Latitude49.4579502
Attitude/Elevation62.1m (203.74ft)
Local timeMonday 15:02
Annual high temperature13.02ºC (55.44ºF)
Annual low temperature10.8ºC (51.44ºF)
Average annual precip.47.29mm (1.86in)
Warmest monthAugust (17.38ºC / 63.28ºF)
Coldest MonthFebruary (6.8ºC / 44.24ºF)
Wettest MonthDecember (78.61mm / 3.09in)
Driest MonthJuly (23.73mm / 0.93in)
Number of days with rainfall (≥ 1.0 mm)121.85 days (33.38%)
Days with no rain243.15 days (66.62%)
Humidity79.25%

Climate Jethou: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.88(55.18)12.88(55.18)13.87(56.97)16.84(62.31)17.83(64.09)20.8(69.44)21.8(71.24)21.8(71.24)20.8(69.44)19.81(67.66)16.84(62.31)14.86(58.75)21.8(71.24)
Average high °C (°F)9.65(49.37)8.99(48.18)9.52(49.14)10.86(51.55)12.53(54.55)14.77(58.59)16.75(62.15)17.38(63.28)16.84(62.31)15.14(59.25)12.75(54.95)11.02(51.84)13.02(55.44)
Daily mean °C (°F)9.0(48.2)8.32(46.98)8.86(47.95)10.11(50.2)11.92(53.46)14.22(57.6)16.21(61.18)16.83(62.29)16.2(61.16)14.51(58.12)12.12(53.82)10.4(50.72)12.39(54.3)
Average low °C (°F)7.23(45.01)6.8(44.24)7.26(45.07)8.58(47.44)10.35(50.63)12.64(54.75)14.7(58.46)15.37(59.67)14.58(58.24)12.91(55.24)10.45(50.81)8.75(47.75)10.8(51.44)
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)64.03(2.52)51.23(2.02)38.87(1.53)30.22(1.19)27.08(1.07)32.33(1.27)23.73(0.93)42.65(1.68)36.75(1.45)68.45(2.69)73.54(2.9)78.61(3.09)47.29(1.86)
Average precipitation days (≥ 1.0 mm)14.2312.169.367.386.125.866.678.747.5712.9716.0314.7710.15
Average relative humidity (%)77.0576.9678.6379.0281.5583.8483.481.3978.7577.6576.4776.2479.25
Mean monthly sunshine hours5.516.029.0512.3412.9413.0113.212.6511.026.555.85.329.45

Climate Graph

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

Jethou

Jethou Temperature by Month

August
16.83°C | 62.29°F
July
16.21°C | 61.18°F
September
16.2°C | 61.16°F
October
14.51°C | 58.12°F
June
14.22°C | 57.6°F
November
12.12°C | 53.82°F
May
11.92°C | 53.46°F
December
10.4°C | 50.72°F
April
10.11°C | 50.2°F
January
9.0°C | 48.2°F
March
8.86°C | 47.95°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 Temperature20.8°C (69.44°F)17.19°C (62.94°F)14.86°C (58.75°F)
Avg Temperature18.82°C (65.88°F)16.3°C (61.34°F)11.89°C (53.4°F)
Min Temperature17.83°C (64.09°F)10.39°C (50.7°F)0.0°C (0°F)
Dew PointMaxAverageMin
Dew Point15.85°C (60.53°F)13.58°C (56.44°F)9.91°C (49.84°F)
PrecipitationMaxAverageMinSum
Precipitation20.71mm | 0.82in2.02mm | 0.08in0.0mm | 0in62.62mm | 2.47in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind51.52kmh | 32.01mph22.18kmh | 13.78mph4.95kmh | 3.08mph
Gust Wind80.25kmh | 49.87mph34.9kmh | 21.69mph7.93kmh | 4.93mph
Sea Level PressureMaxAverageMin
Sea Level Pressure20.71mb2.02mb0.0mb
Jethou

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-08-0116.84 | 62.3112.88 | 55.188011.89 | 7.3929.78 | 1008.530.2 | 0.01
2019-08-0216.84 | 62.3114.86 | 58.75838.92 | 5.5429.81 | 1009.520.0 | 0
2019-08-0317.83 | 64.0914.86 | 58.758017.83 | 11.0829.75 | 1007.540.0 | 0
2019-08-0416.84 | 62.3114.86 | 58.758615.85 | 9.8529.66 | 1004.570.0 | 0
2019-08-0516.84 | 62.3114.86 | 58.758723.78 | 14.7829.61 | 1002.590.2 | 0.01
2019-08-0616.84 | 62.3113.87 | 56.978624.77 | 15.3929.55 | 1000.610.1 | 0.0
2019-08-0715.85 | 60.5314.86 | 58.758724.77 | 15.3929.52 | 999.620.3 | 0.01
2019-08-0816.84 | 62.3115.85 | 60.538919.81 | 12.3129.52 | 999.626.93 | 0.27
2019-08-0917.83 | 64.0915.85 | 60.538637.65 | 23.3929.31 | 992.6820.71 | 0.82
2019-08-1016.84 | 62.3113.87 | 56.978151.52 | 32.0129.55 | 1000.610.89 | 0.04
2019-08-1115.85 | 60.5312.88 | 55.188232.69 | 20.3129.66 | 1004.570.5 | 0.02
2019-08-1214.86 | 58.7511.89 | 53.47623.78 | 14.7829.75 | 1007.549.81 | 0.39
2019-08-1314.86 | 58.7512.88 | 55.188022.79 | 14.1629.84 | 1010.516.24 | 0.25
2019-08-1416.84 | 62.3114.86 | 58.758635.67 | 22.1629.66 | 1004.574.46 | 0.18
2019-08-1516.84 | 62.3114.86 | 58.758630.71 | 19.0829.75 | 1007.540.69 | 0.03
2019-08-1616.84 | 62.3114.86 | 58.758633.68 | 20.9329.64 | 1003.583.37 | 0.13
2019-08-1715.85 | 60.5313.87 | 56.978628.73 | 17.8529.49 | 998.631.49 | 0.06
2019-08-1815.85 | 60.5312.88 | 55.188131.7 | 19.729.49 | 998.631.98 | 0.08
2019-08-1915.85 | 60.5311.89 | 53.47729.72 | 18.4729.75 | 1007.540.59 | 0.02
2019-08-2014.86 | 58.7510.9 | 51.627318.82 | 11.6929.99 | 1015.470.1 | 0.0
2019-08-2114.86 | 58.759.91 | 49.84694.95 | 3.0830.05 | 1017.450.0 | 0
2019-08-2214.86 | 58.7510.9 | 51.62686.93 | 4.3130.02 | 1016.460.0 | 0
2019-08-2315.85 | 60.5312.88 | 55.187514.86 | 9.2329.93 | 1013.490.0 | 0
2019-08-2418.82 | 65.8814.86 | 58.757419.81 | 12.3129.75 | 1007.540.0 | 0
2019-08-2516.84 | 62.3115.85 | 60.538418.82 | 11.6929.72 | 1006.550.0 | 0
2019-08-2615.85 | 60.5313.87 | 56.978515.85 | 9.8529.87 | 1011.50.0 | 0
2019-08-2717.83 | 64.0913.87 | 56.97777.93 | 4.9329.81 | 1009.520.0 | 0
2019-08-2817.83 | 64.0914.86 | 58.757812.88 | 8.029.61 | 1002.593.27 | 0.13
2019-08-2915.85 | 60.5311.89 | 53.47214.86 | 9.2329.84 | 1010.510.1 | 0.0
2019-08-3011.89 | 53.410.9 | 51.627620.8 | 12.9229.64 | 1003.580.1 | 0.0
2019-08-3116.84 | 62.3112.88 | 55.187924.77 | 15.3929.66 | 1004.570.59 | 0.02

Jethou 11 Year Historical Weather Data

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