Merthyr Tydfil, United Kingdom Climate

Weather: 6.73°C/44.11°F, Wind SW at 1.32 km/h, 92% Humidity, 0% Chance of rain

United Kingdom
(Photo by John Mark Arnold on Unsplash)
Contents

Merthyr Tydfil Climate Summary

Located at an elevation of 178.12 meters (584.38 feet) above sea level, Merthyr Tydfil has a Marine west coast, warm summer climate (Classification: Cfb). The city’s yearly temperature is 10.04ºC (50.07ºF) and it is -0.71% lower than United Kingdom’s averages. Merthyr Tydfil typically receives about 78.16 millimeters (3.08 inches) of precipitation and has 150.0 rainy days (41.1% of the time) annually.

CountryUnited Kingdom
Longitude-3.381646
Latitude51.74873
Attitude/Elevation178.12m (584.38ft)
Local timeFriday 22:12
Annual high temperature12.0ºC (53.6ºF)
Annual low temperature6.39ºC (43.5ºF)
Average annual precip.78.16mm (3.08in)
Warmest monthJuly (18.36ºC / 65.05ºF)
Coldest MonthFebruary (2.16ºC / 35.89ºF)
Wettest MonthDecember (108.55mm / 4.27in)
Driest MonthSeptember (54.94mm / 2.16in)
Number of days with rainfall (≥ 1.0 mm)150.0 days (41.1%)
Days with no rain215.0 days (58.9%)
Humidity86.74%

Climate Merthyr Tydfil: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)12.0(53.6)15.0(59.0)19.0(66.2)20.0(68.0)23.0(73.4)26.0(78.8)27.0(80.6)27.0(80.6)23.0(73.4)22.0(71.6)15.0(59.0)13.0(55.4)27.0(80.6)
Average high °C (°F)6.06(42.91)6.49(43.68)8.68(47.62)11.55(52.79)14.05(57.29)16.56(61.81)18.36(65.05)17.64(63.75)15.96(60.73)12.65(54.77)8.9(48.02)7.06(44.71)12.0(53.6)
Daily mean °C (°F)4.49(40.08)4.69(40.44)6.4(43.52)9.14(48.45)11.88(53.38)14.54(58.17)16.33(61.39)15.61(60.1)13.7(56.66)10.7(51.26)7.34(45.21)5.67(42.21)10.04(50.07)
Average low °C (°F)2.22(36.0)2.16(35.89)2.8(37.04)4.41(39.94)6.85(44.33)9.73(49.51)11.43(52.57)11.54(52.77)9.6(49.28)7.66(45.79)4.86(40.75)3.47(38.25)6.39(43.5)
Record low °C (°F)-6.0(21.2)-7.0(19.4)-7.0(19.4)-3.0(26.6)-2.0(28.4)1.0(33.8)4.0(39.2)0.0(0)2.0(35.6)-1.0(30.2)-7.0(19.4)-8.0(17.6)-8.0(17.6)
Average precipitation mm (inches)88.84(3.5)85.05(3.35)61.8(2.43)59.33(2.34)63.5(2.5)84.41(3.32)62.03(2.44)79.03(3.11)54.94(2.16)89.97(3.54)100.47(3.96)108.55(4.27)78.16(3.08)
Average precipitation days (≥ 1.0 mm)13.8211.3610.9110.0911.8213.1812.5514.0910.2713.1814.1814.5512.5
Average relative humidity (%)89.4286.7984.9983.3883.5185.9585.1886.4786.9988.7389.5889.9286.74
Mean monthly sunshine hours5.185.788.7411.6712.3612.4612.4811.7110.286.15.574.978.94

Climate Graph

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

Merthyr Tydfil

Merthyr Tydfil Temperature by Month

July
16.33°C | 61.39°F
August
15.61°C | 60.1°F
June
14.54°C | 58.17°F
September
13.7°C | 56.66°F
May
11.88°C | 53.38°F
October
10.7°C | 51.26°F
April
9.14°C | 48.45°F
November
7.34°C | 45.21°F
March
6.4°C | 43.52°F
December
5.67°C | 42.21°F
February
4.69°C | 40.44°F
January
4.49°C | 40.08°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 Temperature20.0°C (68.0°F)15.33°C (59.59°F)13.0°C (55.4°F)
Avg Temperature16.0°C (60.8°F)13.1°C (55.58°F)11.0°C (51.8°F)
Min Temperature12.0°C (53.6°F)8.0°C (46.4°F)4.0°C (39.2°F)
Dew PointMaxAverageMin
Dew Point13.0°C (55.4°F)10.2°C (50.36°F)7.0°C (44.6°F)
PrecipitationMaxAverageMinSum
Precipitation26.3mm | 1.04in5.32mm | 0.21in0.0mm | 0in159.5mm | 6.28in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind30.0kmh | 18.64mph15.57kmh | 9.67mph4.0kmh | 2.49mph
Gust Wind42.0kmh | 26.1mph23.0kmh | 14.29mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure26.3mb5.32mb0.0mb
Merthyr Tydfil

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-09-0112 | 53.68 | 46.48414 | 8.730.09 | 10190.1 | 0.0
2019-09-0213 | 55.410 | 50.08815 | 9.3230.21 | 10230.3 | 0.01
2019-09-0313 | 55.412 | 53.69220 | 12.4330.18 | 10220.3 | 0.01
2019-09-0412 | 53.610 | 50.08630 | 18.6430.03 | 10173.5 | 0.14
2019-09-0511 | 51.87 | 44.68221 | 13.0530.33 | 10270.2 | 0.01
2019-09-0613 | 55.410 | 50.09121 | 13.0530.21 | 10231.3 | 0.05
2019-09-0713 | 55.48 | 46.48710 | 6.2130.27 | 10250.7 | 0.03
2019-09-0811 | 51.87 | 44.6836 | 3.7330.24 | 10240.4 | 0.02
2019-09-0912 | 53.610 | 50.09313 | 8.0829.97 | 10158.1 | 0.32
2019-09-1012 | 53.69 | 48.2908 | 4.9730.09 | 10191.2 | 0.05
2019-09-1114 | 57.212 | 53.69320 | 12.4330.12 | 10201.8 | 0.07
2019-09-1215 | 59.013 | 55.49616 | 9.9430.3 | 10260.7 | 0.03
2019-09-1313 | 55.410 | 50.0839 | 5.5930.53 | 10340.0 | 0.0
2019-09-1414 | 57.29 | 48.2816 | 3.7330.47 | 10320.0 | 0.0
2019-09-1516 | 60.812 | 53.6877 | 4.3530.27 | 10250.0 | 0.0
2019-09-1615 | 59.013 | 55.4937 | 4.3530.21 | 10230.5 | 0.02
2019-09-1712 | 53.67 | 44.6838 | 4.9730.3 | 10260.0 | 0.0
2019-09-1813 | 55.47 | 44.6784 | 2.4930.45 | 10310.0 | 0.0
2019-09-1915 | 59.010 | 50.0825 | 3.1130.42 | 10300.0 | 0.0
2019-09-2013 | 55.48 | 46.47617 | 10.5630.18 | 10220.0 | 0.0
2019-09-2115 | 59.010 | 50.08215 | 9.3229.8 | 10090.1 | 0.0
2019-09-2214 | 57.213 | 55.49613 | 8.0829.56 | 100113.5 | 0.53
2019-09-2312 | 53.611 | 51.89518 | 11.1829.74 | 100715.4 | 0.61
2019-09-2414 | 57.213 | 55.49420 | 12.4329.53 | 100023.4 | 0.92
2019-09-2514 | 57.213 | 55.49422 | 13.6729.5 | 99917.4 | 0.69
2019-09-2613 | 55.411 | 51.89028 | 17.429.59 | 10027.6 | 0.3
2019-09-2712 | 53.610 | 50.09228 | 17.429.59 | 10029.3 | 0.37
2019-09-2812 | 53.610 | 50.09227 | 16.7829.74 | 10079.7 | 0.38
2019-09-2914 | 57.212 | 53.69327 | 16.7829.44 | 99726.3 | 1.04
2019-09-3011 | 51.811 | 51.89512 | 7.4629.71 | 100617.7 | 0.7

Merthyr Tydfil 10 Year Historical Weather Data

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