St Mellons, Cardiff, United Kingdom Climate

Weather: 10.5°C/50.9°F, Wind SW at 1.19 km/h, 90% Humidity, 0% Chance of rain

United Kingdom
(Photo by Kieran Somerville on Unsplash)
Contents

St Mellons Climate Summary

Located at an elevation of 24.18 meters (79.33 feet) above sea level, St Mellons has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 11.86ºC (53.35ºF) and it is 1.11% higher than United Kingdom’s averages. St Mellons typically receives about 18.59 millimeters (0.73 inches) of precipitation and has 40.99 rainy days (11.23% of the time) annually.

CountryUnited Kingdom
CityCardiff
Longitude-3.103261
Latitude51.526976
Attitude/Elevation24.18m (79.33ft)
Local timeWednesday 11:39
Annual high temperature13.62ºC (56.52ºF)
Annual low temperature8.73ºC (47.71ºF)
Average annual precip.18.59mm (0.73in)
Warmest monthJuly (20.03ºC / 68.05ºF)
Coldest MonthFebruary (4.54ºC / 40.17ºF)
Wettest MonthDecember (31.89mm / 1.26in)
Driest MonthMay (7.65mm / 0.3in)
Number of days with rainfall (≥ 1.0 mm)40.99 days (11.23%)
Days with no rain324.01 days (88.77%)
Humidity81.38%

Climate St Mellons: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)15.0(59.0)15.0(59.0)20.0(68.0)21.0(69.8)26.0(78.8)26.0(78.8)27.0(80.6)23.0(73.4)21.0(69.8)16.0(60.8)14.0(57.2)27.0(80.6)
Average high °C (°F)8.65(47.57)8.78(47.8)9.38(48.88)12.68(54.82)15.4(59.72)17.72(63.9)20.03(68.05)19.41(66.94)17.33(63.19)13.76(56.77)10.96(51.73)9.32(48.78)13.62(56.52)
Daily mean °C (°F)7.17(44.91)7.06(44.71)7.7(45.86)10.56(51.01)13.32(55.98)15.79(60.42)18.04(64.47)17.69(63.84)15.31(59.56)12.09(53.76)9.53(49.15)8.1(46.58)11.86(53.35)
Average low °C (°F)4.78(40.6)4.54(40.17)4.92(40.86)6.88(44.38)9.04(48.27)11.88(53.38)13.95(57.11)14.35(57.83)12.1(53.78)9.35(48.83)7.06(44.71)5.91(42.64)8.73(47.71)
Record low °C (°F)-2.0(28.4)-4.0(24.8)-4.0(24.8)1.0(33.8)2.0(35.6)4.0(39.2)8.0(46.4)8.0(46.4)5.0(41.0)3.0(37.4)-1.0(30.2)-5.0(23.0)-5.0(23.0)
Average precipitation mm (inches)14.06(0.55)17.88(0.7)18.04(0.71)9.82(0.39)7.65(0.3)16.57(0.65)12.13(0.48)23.3(0.92)16.54(0.65)25.48(1.0)29.73(1.17)31.89(1.26)18.59(0.73)
Average precipitation days (≥ 1.0 mm)3.183.183.912.362.093.362.453.912.094.644.645.183.42
Average relative humidity (%)81.8578.8880.6281.6779.1382.3680.0181.880.0381.8584.0684.2581.38
Mean monthly sunshine hours4.08.118.4510.2414.1415.215.1710.929.367.595.63.789.38

Climate Graph

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

St Mellons

St Mellons Temperature by Month

July
18.04°C | 64.47°F
August
17.69°C | 63.84°F
June
15.79°C | 60.42°F
September
15.31°C | 59.56°F
May
13.32°C | 55.98°F
October
12.09°C | 53.76°F
April
10.56°C | 51.01°F
November
9.53°C | 49.15°F
December
8.1°C | 46.58°F
March
7.7°C | 45.86°F
January
7.17°C | 44.91°F
February
7.06°C | 44.71°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature12.0°C (53.6°F)8.81°C (47.86°F)6.0°C (42.8°F)
Avg Temperature11.0°C (51.8°F)7.77°C (45.99°F)4.0°C (39.2°F)
Min Temperature9.0°C (48.2°F)5.87°C (42.57°F)-1.0°C (30.2°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)5.03°C (41.05°F)-1.0°C (30.2°F)
PrecipitationMaxAverageMinSum
Precipitation15.5mm | 0.61in3.03mm | 0.12in0.0mm | 0in93.8mm | 3.69in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind42.0kmh | 26.1mph20.81kmh | 12.93mph5.0kmh | 3.11mph
Gust Wind64.0kmh | 39.77mph32.94kmh | 20.47mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure15.5mb3.03mb0.0mb
St Mellons

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-12-014 | 39.21 | 33.88120 | 12.4330.27 | 10250.0 | 0.0
2019-12-025 | 41.0-1 | 30.2675 | 3.1130.47 | 10320.0 | 0.0
2019-12-037 | 44.62 | 35.6735 | 3.1130.33 | 10270.0 | 0.0
2019-12-046 | 42.83 | 37.4856 | 3.7330.12 | 10200.0 | 0.0
2019-12-057 | 44.66 | 42.88622 | 13.6730.12 | 10200.1 | 0.0
2019-12-0611 | 51.89 | 48.29031 | 19.2629.77 | 10087.5 | 0.3
2019-12-079 | 48.27 | 44.68819 | 11.8129.88 | 10120.0 | 0.0
2019-12-089 | 48.26 | 42.87842 | 26.129.53 | 10006.2 | 0.24
2019-12-098 | 46.43 | 37.47330 | 18.6429.85 | 10111.4 | 0.06
2019-12-1010 | 50.07 | 44.68532 | 19.8829.85 | 10117.6 | 0.3
2019-12-116 | 42.83 | 37.47823 | 14.2929.65 | 10042.5 | 0.1
2019-12-129 | 48.26 | 42.88628 | 17.429.15 | 9879.0 | 0.35
2019-12-137 | 44.63 | 37.47941 | 25.4828.97 | 9813.9 | 0.15
2019-12-147 | 44.63 | 37.47338 | 23.6129.18 | 9886.1 | 0.24
2019-12-158 | 46.43 | 37.47636 | 22.3729.32 | 9935.4 | 0.21
2019-12-167 | 44.64 | 39.28118 | 11.1829.47 | 9981.1 | 0.04
2019-12-176 | 42.83 | 37.4858 | 4.9729.53 | 10000.0 | 0.0
2019-12-188 | 46.45 | 41.08721 | 13.0529.62 | 10033.6 | 0.14
2019-12-1910 | 50.09 | 48.29121 | 13.0529.26 | 99115.5 | 0.61
2019-12-208 | 46.46 | 42.89114 | 8.728.94 | 9807.8 | 0.31
2019-12-218 | 46.46 | 42.88919 | 11.8128.79 | 9754.7 | 0.19
2019-12-228 | 46.45 | 41.08522 | 13.6729.09 | 9852.1 | 0.08
2019-12-238 | 46.46 | 42.88522 | 13.6729.74 | 10070.5 | 0.02
2019-12-249 | 48.27 | 44.68730 | 18.6429.77 | 10084.2 | 0.17
2019-12-256 | 42.83 | 37.48511 | 6.8430.21 | 10230.0 | 0.0
2019-12-269 | 48.27 | 44.69030 | 18.6429.94 | 10143.9 | 0.15
2019-12-279 | 48.28 | 46.4937 | 4.3530.33 | 10270.7 | 0.03
2019-12-289 | 48.28 | 46.49411 | 6.8430.53 | 10340.0 | 0.0
2019-12-298 | 46.47 | 44.69310 | 6.2130.47 | 10320.0 | 0.0
2019-12-308 | 46.46 | 42.8875 | 3.1130.39 | 10290.0 | 0.0
2019-12-317 | 44.65 | 41.09018 | 11.1830.42 | 10300.0 | 0.0

St Mellons 3 Year Historical Weather Data

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