St. Helier, Sutton, United Kingdom Climate

Weather: 12.65°C/54.77°F, Wind SW at 1.75 km/h, 89% Humidity, 0% Chance of rain

United Kingdom
(Photo by Danny Lines on Unsplash)
Contents

St. Helier Climate Summary

Located at an elevation of None meters (0 feet) above sea level, St. Helier has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 13.37ºC (56.07ºF) and it is 2.62% higher than United Kingdom’s averages. St. Helier typically receives about 16.5 millimeters (0.65 inches) of precipitation and has 36.19 rainy days (9.92% of the time) annually.

CountryUnited Kingdom
CitySutton
Longitude-0.1905439
Latitude51.3957054
Attitude/ElevationNonem (0ft)
Local timeSaturday 03:48
Annual high temperature15.56ºC (60.01ºF)
Annual low temperature9.69ºC (49.44ºF)
Average annual precip.16.5mm (0.65in)
Warmest monthJuly (23.88ºC / 74.98ºF)
Coldest MonthJanuary (3.91ºC / 39.04ºF)
Wettest MonthDecember (24.21mm / 0.95in)
Driest MonthMay (9.98mm / 0.39in)
Number of days with rainfall (≥ 1.0 mm)36.19 days (9.92%)
Days with no rain328.81 days (90.08%)
Humidity72.57%

Climate St. Helier: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)21.0(69.8)19.0(66.2)29.0(84.2)30.0(86.0)32.0(89.6)34.0(93.2)35.0(95.0)30.0(86.0)23.0(73.4)17.0(62.6)15.0(59.0)35.0(95.0)
Average high °C (°F)8.24(46.83)9.25(48.65)10.52(50.94)15.56(60.01)19.05(66.29)21.19(70.14)23.88(74.98)23.57(74.43)20.11(68.2)15.12(59.22)11.21(52.18)9.0(48.2)15.56(60.01)
Daily mean °C (°F)6.49(43.68)7.15(44.87)8.44(47.19)12.89(55.2)16.29(61.32)18.71(65.68)21.38(70.48)20.94(69.69)17.53(63.55)13.1(55.58)9.8(49.64)7.68(45.82)13.37(56.07)
Average low °C (°F)3.91(39.04)4.46(40.03)5.15(41.27)8.53(47.35)10.96(51.73)13.83(56.89)16.32(61.38)16.71(62.08)13.56(56.41)10.25(50.45)7.22(45.0)5.33(41.59)9.69(49.44)
Record low °C (°F)-3.0(26.6)-6.0(21.2)-4.0(24.8)1.0(33.8)5.0(41.0)5.0(41.0)8.0(46.4)10.0(50.0)7.0(44.6)4.0(39.2)-1.0(30.2)-2.0(28.4)-6.0(21.2)
Average precipitation mm (inches)14.16(0.56)14.05(0.55)17.83(0.7)11.09(0.44)9.98(0.39)16.87(0.66)12.5(0.49)19.07(0.75)15.13(0.6)21.6(0.85)21.52(0.85)24.21(0.95)16.5(0.65)
Average precipitation days (≥ 1.0 mm)2.822.643.822.092.363.092.643.452.093.553.733.913.02
Average relative humidity (%)80.6575.0473.8369.6365.6169.1264.8166.4866.975.5280.5482.6672.57
Mean monthly sunshine hours4.917.58.3610.7613.7915.3514.7811.989.727.485.624.79.58

Climate Graph

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

St. Helier

St. Helier Temperature by Month

July
21.38°C | 70.48°F
August
20.94°C | 69.69°F
June
18.71°C | 65.68°F
September
17.53°C | 63.55°F
May
16.29°C | 61.32°F
October
13.1°C | 55.58°F
April
12.89°C | 55.2°F
November
9.8°C | 49.64°F
March
8.44°C | 47.19°F
December
7.68°C | 45.82°F
February
7.15°C | 44.87°F
January
6.49°C | 43.68°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature19.0°C (66.2°F)12.35°C (54.23°F)9.0°C (48.2°F)
Avg Temperature15.0°C (59.0°F)10.32°C (50.58°F)7.0°C (44.6°F)
Min Temperature10.0°C (50.0°F)6.97°C (44.55°F)4.0°C (39.2°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)4.87°C (40.77°F)-1.0°C (30.2°F)
PrecipitationMaxAverageMinSum
Precipitation12.1mm | 0.48in2.25mm | 0.09in0.0mm | 0in69.7mm | 2.74in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind35.0kmh | 21.75mph17.97kmh | 11.17mph3.0kmh | 1.86mph
Gust Wind50.0kmh | 31.07mph25.52kmh | 15.86mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure12.1mb2.25mb0.0mb
St. Helier

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-03-0110 | 50.07 | 44.68210 | 6.2130.06 | 10181.3 | 0.05
2019-03-0211 | 51.87 | 44.68120 | 12.4329.85 | 10111.3 | 0.05
2019-03-0312 | 53.68 | 46.48231 | 19.2629.5 | 99912.1 | 0.48
2019-03-048 | 46.42 | 35.66823 | 14.2929.35 | 99411.4 | 0.45
2019-03-059 | 48.23 | 37.47120 | 12.4329.59 | 10021.3 | 0.05
2019-03-0611 | 51.88 | 46.48328 | 17.429.23 | 9906.3 | 0.25
2019-03-079 | 48.23 | 37.47028 | 17.429.29 | 9920.5 | 0.02
2019-03-088 | 46.44 | 39.27718 | 11.1829.83 | 10101.7 | 0.07
2019-03-0910 | 50.04 | 39.27122 | 13.6729.88 | 10120.2 | 0.01
2019-03-109 | 48.22 | 35.66729 | 18.0229.8 | 10096.1 | 0.24
2019-03-117 | 44.6-1 | 30.25723 | 14.2930.21 | 10230.6 | 0.02
2019-03-128 | 46.44 | 39.27532 | 19.8829.77 | 100810.3 | 0.41
2019-03-139 | 48.22 | 35.66430 | 18.6429.77 | 10080.5 | 0.02
2019-03-1411 | 51.85 | 41.07128 | 17.429.74 | 10072.7 | 0.11
2019-03-1513 | 55.49 | 48.28030 | 18.6429.77 | 10082.9 | 0.11
2019-03-1611 | 51.87 | 44.68035 | 21.7529.62 | 10034.4 | 0.17
2019-03-177 | 44.61 | 33.86623 | 14.2929.68 | 10052.2 | 0.09
2019-03-188 | 46.43 | 37.47314 | 8.730.12 | 10201.6 | 0.06
2019-03-1910 | 50.06 | 42.8848 | 4.9730.33 | 10270.3 | 0.01
2019-03-2011 | 51.88 | 46.4839 | 5.5930.47 | 10320.1 | 0.0
2019-03-2113 | 55.48 | 46.4806 | 3.7330.5 | 10330.0 | 0.0
2019-03-2211 | 51.87 | 44.68211 | 6.8430.39 | 10290.0 | 0.0
2019-03-2311 | 51.85 | 41.07310 | 6.2130.45 | 10310.0 | 0.0
2019-03-2411 | 51.83 | 37.46310 | 6.2130.45 | 10310.0 | 0.0
2019-03-2510 | 50.02 | 35.66416 | 9.9430.47 | 10320.0 | 0.0
2019-03-2610 | 50.03 | 37.4687 | 4.3530.53 | 10340.0 | 0.0
2019-03-2710 | 50.05 | 41.0707 | 4.3530.56 | 10350.0 | 0.0
2019-03-2812 | 53.65 | 41.0683 | 1.8630.59 | 10360.0 | 0.0
2019-03-2915 | 59.08 | 46.4695 | 3.1130.39 | 10290.0 | 0.0
2019-03-3015 | 59.08 | 46.4683 | 1.8630.15 | 10211.3 | 0.05
2019-03-3110 | 50.05 | 41.07318 | 11.1830.24 | 10240.6 | 0.02

St. Helier 3 Year Historical Weather Data

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