Grandes Rocques, Castel, Guernsey Climate

Weather: 10.62°C/51.12°F, Wind SW at 5.14 km/h, 76% Humidity, 0% Chance of rain

Guernsey
(Photo by Enrapture Captivating Media on Unsplash)
Contents

Grandes Rocques Climate Summary

Located at an elevation of 4.86 meters (15.94 feet) above sea level, Grandes Rocques has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 12.66ºC (54.79ºF) and it is 0.16% higher than Guernsey’s averages. Grandes Rocques typically receives about 48.3 millimeters (1.9 inches) of precipitation and has 124.45 rainy days (34.1% of the time) annually.

CountryGuernsey
CityCastel
Longitude-2.5850449
Latitude49.4860705
Attitude/Elevation4.86m (15.94ft)
Local timeThursday 20:09
Annual high temperature13.3ºC (55.94ºF)
Annual low temperature11.03ºC (51.85ºF)
Average annual precip.48.3mm (1.9in)
Warmest monthAugust (17.75ºC / 63.95ºF)
Coldest MonthFebruary (6.94ºC / 44.49ºF)
Wettest MonthDecember (80.29mm / 3.16in)
Driest MonthJuly (24.23mm / 0.95in)
Number of days with rainfall (≥ 1.0 mm)124.45 days (34.1%)
Days with no rain240.55 days (65.9%)
Humidity80.94%

Climate Grandes Rocques: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.15(55.67)13.15(55.67)14.17(57.51)17.2(62.96)18.21(64.78)21.25(70.25)22.26(72.07)22.26(72.07)21.25(70.25)20.24(68.43)17.2(62.96)15.18(59.32)22.26(72.07)
Average high °C (°F)9.85(49.73)9.18(48.52)9.72(49.5)11.09(51.96)12.8(55.04)15.09(59.16)17.11(62.8)17.75(63.95)17.2(62.96)15.46(59.83)13.02(55.44)11.25(52.25)13.3(55.94)
Daily mean °C (°F)9.19(48.54)8.5(47.3)9.05(48.29)10.32(50.58)12.17(53.91)14.52(58.14)16.55(61.79)17.19(62.94)16.54(61.77)14.82(58.68)12.37(54.27)10.62(51.12)12.66(54.79)
Average low °C (°F)7.39(45.3)6.94(44.49)7.42(45.36)8.76(47.77)10.57(51.03)12.91(55.24)15.02(59.04)15.69(60.24)14.89(58.8)13.18(55.72)10.67(51.21)8.93(48.07)11.03(51.85)
Record low °C (°F)-3.04(26.53)-2.02(28.36)-3.04(26.53)-2.02(28.36)-1.01(30.18)2.02(35.64)6.07(42.93)0.0(0)4.05(39.29)3.04(37.47)-1.01(30.18)-2.02(28.36)-3.04(26.53)
Average precipitation mm (inches)65.39(2.57)52.32(2.06)39.69(1.56)30.86(1.21)27.65(1.09)33.02(1.3)24.23(0.95)43.56(1.71)37.53(1.48)69.91(2.75)75.11(2.96)80.29(3.16)48.29(1.9)
Average precipitation days (≥ 1.0 mm)14.5312.419.567.546.255.986.818.927.7313.2416.3715.0910.37
Average relative humidity (%)78.6978.680.3180.783.2985.6385.1783.1280.4379.378.177.8780.93
Mean monthly sunshine hours5.636.159.2412.6113.2113.2813.4812.9311.246.695.925.439.65

Climate Graph

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

Grandes Rocques

Grandes Rocques Temperature by Month

August
17.19°C | 62.94°F
July
16.55°C | 61.79°F
September
16.54°C | 61.77°F
October
14.82°C | 58.68°F
June
14.52°C | 58.14°F
November
12.37°C | 54.27°F
May
12.17°C | 53.91°F
December
10.62°C | 51.12°F
April
10.32°C | 50.58°F
January
9.19°C | 48.54°F
March
9.05°C | 48.29°F
February
8.5°C | 47.3°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 Temperature10.12°C (50.22°F)7.99°C (46.38°F)5.06°C (41.11°F)
Avg Temperature10.12°C (50.22°F)7.37°C (45.27°F)4.05°C (39.29°F)
Min Temperature9.11°C (48.4°F)6.29°C (43.32°F)3.04°C (37.47°F)
Dew PointMaxAverageMin
Dew Point7.08°C (44.74°F)3.83°C (38.89°F)-1.01°C (30.18°F)
PrecipitationMaxAverageMinSum
Precipitation13.46mm | 0.53in2.19mm | 0.09in0.0mm | 0in61.42mm | 2.42in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind49.58kmh | 30.81mph34.69kmh | 21.56mph14.17kmh | 8.8mph
Gust Wind71.84kmh | 44.64mph48.46kmh | 30.11mph19.22kmh | 11.94mph
Sea Level PressureMaxAverageMin
Sea Level Pressure13.46mb2.19mb0.0mb
Grandes Rocques

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2010-02-017.08 | 44.742.02 | 35.647134.4 | 21.3830.39 | 1029.00.2 | 0.01
2010-02-029.11 | 48.47.08 | 44.748447.55 | 29.5530.27 | 1024.954.45 | 0.18
2010-02-0310.12 | 50.227.08 | 44.748738.45 | 23.8930.21 | 1022.930.71 | 0.03
2010-02-049.11 | 48.46.07 | 42.938340.47 | 25.1530.0 | 1015.853.04 | 0.12
2010-02-059.11 | 48.46.07 | 42.938137.44 | 23.2629.88 | 1011.82.73 | 0.11
2010-02-069.11 | 48.47.08 | 44.748629.34 | 18.2330.18 | 1021.922.43 | 0.1
2010-02-077.08 | 44.744.05 | 39.298122.26 | 13.8330.54 | 1034.060.0 | 0
2010-02-085.06 | 41.112.02 | 35.648034.4 | 21.3830.21 | 1022.930.51 | 0.02
2010-02-095.06 | 41.111.01 | 33.827841.48 | 25.7730.21 | 1022.930.2 | 0.01
2010-02-105.06 | 41.110.0 | 07139.46 | 24.5230.39 | 1029.00.0 | 0
2010-02-114.05 | 39.29-1.01 | 30.186949.58 | 30.8130.48 | 1032.040.2 | 0.01
2010-02-126.07 | 42.932.02 | 35.647833.39 | 20.7530.54 | 1034.060.1 | 0.0
2010-02-135.06 | 41.111.01 | 33.827436.42 | 22.6330.54 | 1034.060.1 | 0.0
2010-02-145.06 | 41.111.01 | 33.827621.25 | 13.230.39 | 1029.00.2 | 0.01
2010-02-157.08 | 44.743.04 | 37.477614.17 | 8.830.12 | 1019.891.52 | 0.06
2010-02-167.08 | 44.743.04 | 37.477937.44 | 23.2629.76 | 1007.750.3 | 0.01
2010-02-176.07 | 42.930.0 | 06920.24 | 12.5829.58 | 1001.680.0 | 0
2010-02-188.09 | 46.565.06 | 41.118235.41 | 22.029.55 | 1000.671.52 | 0.06
2010-02-196.07 | 42.931.01 | 33.827033.39 | 20.7529.79 | 1008.761.21 | 0.05
2010-02-207.08 | 44.742.02 | 35.647227.32 | 16.9829.85 | 1010.792.43 | 0.1
2010-02-218.09 | 46.565.06 | 41.118132.38 | 20.1229.7 | 1005.730.81 | 0.03
2010-02-228.09 | 46.566.07 | 42.939029.34 | 18.2329.37 | 994.68.3 | 0.33
2010-02-239.11 | 48.46.07 | 42.938630.35 | 18.8629.55 | 1000.672.02 | 0.08
2010-02-249.11 | 48.47.08 | 44.748542.5 | 26.4129.55 | 1000.672.23 | 0.09
2010-02-259.11 | 48.47.08 | 44.748835.41 | 22.029.49 | 998.655.77 | 0.23
2010-02-268.09 | 46.564.05 | 39.297643.51 | 27.0429.7 | 1005.730.0 | 0
2010-02-279.11 | 48.47.08 | 44.748637.44 | 23.2629.67 | 1004.726.98 | 0.27
2010-02-288.09 | 46.565.06 | 41.118146.54 | 28.9229.61 | 1002.6913.46 | 0.53

Grandes Rocques 11 Year Historical Weather Data

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