Merthyr Dyfan, Vale Of Glamorgan, United Kingdom Climate

Weather: 12.3°C/54.14°F, Wind SW at 1.03 km/h, 86% Humidity, 0% Chance of rain

United Kingdom
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Contents

Merthyr Dyfan Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Merthyr Dyfan has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 11.81ºC (53.26ºF) and it is 1.06% higher than United Kingdom’s averages. Merthyr Dyfan typically receives about 32.29 millimeters (1.27 inches) of precipitation and has 46.82 rainy days (12.83% of the time) annually.

CountryUnited Kingdom
CityVale of Glamorgan
Longitude-3.2763477
Latitude51.4174047
Attitude/ElevationNonem (0ft)
Local timeThursday 01:24
Annual high temperature13.53ºC (56.35ºF)
Annual low temperature8.69ºC (47.64ºF)
Average annual precip.32.29mm (1.27in)
Warmest monthJuly (19.97ºC / 67.95ºF)
Coldest MonthFebruary (4.47ºC / 40.05ºF)
Wettest MonthDecember (56.1mm / 2.21in)
Driest MonthMay (15.72mm / 0.62in)
Number of days with rainfall (≥ 1.0 mm)46.82 days (12.83%)
Days with no rain318.18 days (87.17%)
Humidity82.32%

Climate Merthyr Dyfan: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)17.0(62.6)16.0(60.8)22.0(71.6)23.0(73.4)27.0(80.6)26.0(78.8)25.0(77.0)23.0(73.4)20.0(68.0)16.0(60.8)14.0(57.2)27.0(80.6)
Average high °C (°F)8.53(47.35)8.69(47.64)9.27(48.69)12.74(54.93)15.48(59.86)17.79(64.02)19.97(67.95)19.27(66.69)17.21(62.98)13.54(56.37)10.8(51.44)9.13(48.43)13.53(56.35)
Daily mean °C (°F)7.12(44.82)6.94(44.49)7.62(45.72)10.54(50.97)13.45(56.21)15.9(60.62)18.1(64.58)17.57(63.63)15.2(59.36)11.88(53.38)9.42(48.96)7.99(46.38)11.81(53.26)
Average low °C (°F)4.8(40.64)4.47(40.05)4.81(40.66)6.9(44.42)9.14(48.45)11.93(53.47)13.83(56.89)14.26(57.67)11.99(53.58)9.38(48.88)6.9(44.42)5.81(42.46)8.69(47.64)
Record low °C (°F)-2.0(28.4)-5.0(23.0)-5.0(23.0)1.0(33.8)2.0(35.6)7.0(44.6)7.0(44.6)6.0(42.8)7.0(44.6)2.0(35.6)0.0(0)-5.0(23.0)-5.0(23.0)
Average precipitation mm (inches)26.57(1.05)26.07(1.03)34.87(1.37)22.58(0.89)15.72(0.62)28.69(1.13)20.54(0.81)38.81(1.53)27.63(1.09)40.12(1.58)49.83(1.96)56.1(2.21)32.29(1.27)
Average precipitation days (≥ 1.0 mm)3.453.554.823.272.554.183.274.362.554.644.735.453.9
Average relative humidity (%)82.8979.5381.5582.4280.1183.0780.883.0581.4883.184.885.0382.32
Mean monthly sunshine hours3.958.198.2810.214.215.0715.1610.919.397.625.423.729.34

Climate Graph

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

Merthyr Dyfan

Merthyr Dyfan Temperature by Month

July
18.1°C | 64.58°F
August
17.57°C | 63.63°F
June
15.9°C | 60.62°F
September
15.2°C | 59.36°F
May
13.45°C | 56.21°F
October
11.88°C | 53.38°F
April
10.54°C | 50.97°F
November
9.42°C | 48.96°F
December
7.99°C | 46.38°F
March
7.62°C | 45.72°F
January
7.12°C | 44.82°F
February
6.94°C | 44.49°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature23.0°C (73.4°F)16.55°C (61.79°F)11.0°C (51.8°F)
Avg Temperature19.0°C (66.2°F)14.45°C (58.01°F)10.0°C (50.0°F)
Min Temperature14.0°C (57.2°F)9.97°C (49.95°F)5.0°C (41.0°F)
Dew PointMaxAverageMin
Dew Point15.0°C (59.0°F)10.32°C (50.58°F)5.0°C (41.0°F)
PrecipitationMaxAverageMinSum
Precipitation23.8mm | 0.94in3.07mm | 0.12in0.0mm | 0in95.1mm | 3.74in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind28.0kmh | 17.4mph12.58kmh | 7.82mph5.0kmh | 3.11mph
Gust Wind41.0kmh | 25.48mph19.0kmh | 11.81mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.8mb3.07mb0.0mb
Merthyr Dyfan

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-05-0110 | 50.05 | 41.07923 | 14.2929.77 | 10082.1 | 0.08
2018-05-0211 | 51.87 | 44.68328 | 17.429.68 | 100523.8 | 0.94
2018-05-0311 | 51.86 | 42.87914 | 8.730.09 | 10190.0 | 0.0
2018-05-0413 | 55.410 | 50.0897 | 4.3530.21 | 10230.1 | 0.0
2018-05-0518 | 64.413 | 55.4825 | 3.1130.27 | 10250.0 | 0.0
2018-05-0619 | 66.214 | 57.2807 | 4.3530.21 | 10230.0 | 0.0
2018-05-0719 | 66.214 | 57.2816 | 3.7330.06 | 10180.0 | 0.0
2018-05-0813 | 55.410 | 50.08716 | 9.9429.88 | 10120.0 | 0.0
2018-05-0911 | 51.88 | 46.48614 | 8.729.8 | 10093.0 | 0.12
2018-05-1011 | 51.86 | 42.87717 | 10.5629.97 | 10152.7 | 0.11
2018-05-1111 | 51.88 | 46.48620 | 12.4329.91 | 10135.7 | 0.22
2018-05-1212 | 53.66 | 42.8755 | 3.1129.91 | 10130.2 | 0.01
2018-05-1312 | 53.66 | 42.87612 | 7.4630.0 | 10160.0 | 0.0
2018-05-1414 | 57.28 | 46.47611 | 6.8430.18 | 10220.0 | 0.0
2018-05-1516 | 60.811 | 51.88110 | 6.2130.18 | 10220.0 | 0.0
2018-05-1613 | 55.410 | 50.08817 | 10.5630.3 | 10263.1 | 0.12
2018-05-1712 | 53.66 | 42.87113 | 8.0830.36 | 10280.0 | 0.0
2018-05-1814 | 57.28 | 46.4787 | 4.3530.3 | 10260.0 | 0.0
2018-05-1916 | 60.811 | 51.8795 | 3.1130.24 | 10240.1 | 0.0
2018-05-2016 | 60.811 | 51.8807 | 4.3530.15 | 10210.1 | 0.0
2018-05-2117 | 62.612 | 53.6818 | 4.9730.03 | 10171.1 | 0.04
2018-05-2217 | 62.611 | 51.87913 | 8.0830.06 | 10180.5 | 0.02
2018-05-2315 | 59.011 | 51.88415 | 9.3230.21 | 10230.2 | 0.01
2018-05-2413 | 55.411 | 51.89014 | 8.730.15 | 10214.6 | 0.18
2018-05-2514 | 57.212 | 53.6938 | 4.9730.09 | 101920.7 | 0.81
2018-05-2616 | 60.814 | 57.29122 | 13.6730.06 | 10183.5 | 0.14
2018-05-2717 | 62.614 | 57.28718 | 11.1829.97 | 10154.3 | 0.17
2018-05-2819 | 66.215 | 59.0868 | 4.9730.09 | 10190.0 | 0.0
2018-05-2917 | 62.614 | 57.28819 | 11.8130.03 | 10170.2 | 0.01
2018-05-3014 | 57.213 | 55.49313 | 8.0829.91 | 10138.1 | 0.32
2018-05-3117 | 62.615 | 59.0928 | 4.9729.94 | 101411.0 | 0.43

Merthyr Dyfan 3 Year Historical Weather Data

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