Trelewis, Merthyr Tydfil, United Kingdom Climate

Weather: 18.24°C/64.83°F, Wind SW at 0.89 km/h, 63% Humidity, 0% Chance of rain

United Kingdom
(Photo by KK Zhang on Unsplash)
Contents

Trelewis Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Trelewis has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 10.75ºC (51.35ºF) and it is 0.0% lower than United Kingdom’s averages. Trelewis typically receives about 27.29 millimeters (1.07 inches) of precipitation and has 46.73 rainy days (12.8% of the time) annually.

CountryUnited Kingdom
CityMerthyr Tydfil
Longitude-3.298156
Latitude51.668956
Attitude/ElevationNonem (0ft)
Local timeWednesday 17:01
Annual high temperature12.41ºC (54.34ºF)
Annual low temperature7.91ºC (46.24ºF)
Average annual precip.27.29mm (1.07in)
Warmest monthJuly (18.76ºC / 65.77ºF)
Coldest MonthFebruary (3.65ºC / 38.57ºF)
Wettest MonthDecember (51.35mm / 2.02in)
Driest MonthMay (11.42mm / 0.45in)
Number of days with rainfall (≥ 1.0 mm)46.73 days (12.8%)
Days with no rain318.27 days (87.2%)
Humidity83.85%

Climate Trelewis: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)17.0(62.6)15.0(59.0)22.0(71.6)22.0(71.6)26.0(78.8)26.0(78.8)29.0(84.2)23.0(73.4)19.0(66.2)15.0(59.0)13.0(55.4)29.0(84.2)
Average high °C (°F)7.4(45.32)7.4(45.32)8.01(46.42)11.93(53.47)14.74(58.53)16.78(62.2)18.76(65.77)18.22(64.8)16.1(60.98)12.11(53.8)9.44(48.99)7.99(46.38)12.41(54.34)
Daily mean °C (°F)6.08(42.94)5.95(42.71)6.52(43.74)9.76(49.57)12.59(54.66)14.81(58.66)17.01(62.62)16.43(61.57)14.2(57.56)10.67(51.21)8.11(46.6)6.89(44.4)10.75(51.35)
Average low °C (°F)3.84(38.91)3.65(38.57)3.99(39.18)6.29(43.32)8.76(47.77)11.38(52.48)13.28(55.9)13.49(56.28)11.33(52.39)8.32(46.98)5.64(42.15)4.89(40.8)7.91(46.24)
Record low °C (°F)-2.0(28.4)-6.0(21.2)-7.0(19.4)0.0(0)2.0(35.6)4.0(39.2)6.0(42.8)5.0(41.0)5.0(41.0)1.0(33.8)-2.0(28.4)-7.0(19.4)-7.0(19.4)
Average precipitation mm (inches)24.17(0.95)26.15(1.03)28.59(1.13)18.9(0.74)11.42(0.45)22.83(0.9)14.8(0.58)29.16(1.15)22.25(0.88)33.23(1.31)44.66(1.76)51.35(2.02)27.29(1.07)
Average precipitation days (≥ 1.0 mm)4.03.644.453.092.643.912.824.362.644.555.185.453.89
Average relative humidity (%)84.881.3382.882.9280.2884.1782.2784.3183.2185.3987.2887.4183.85
Mean monthly sunshine hours3.888.128.3210.0714.2515.0715.1511.029.47.585.523.69.33

Climate Graph

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

Trelewis

Trelewis Temperature by Month

July
17.01°C | 62.62°F
August
16.43°C | 61.57°F
June
14.81°C | 58.66°F
September
14.2°C | 57.56°F
May
12.59°C | 54.66°F
October
10.67°C | 51.21°F
April
9.76°C | 49.57°F
November
8.11°C | 46.6°F
December
6.89°C | 44.4°F
March
6.52°C | 43.74°F
January
6.08°C | 42.94°F
February
5.95°C | 42.71°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature10.0°C (50.0°F)6.77°C (44.19°F)2.0°C (35.6°F)
Avg Temperature10.0°C (50.0°F)5.74°C (42.33°F)1.0°C (33.8°F)
Min Temperature9.0°C (48.2°F)4.19°C (39.54°F)-1.0°C (30.2°F)
Dew PointMaxAverageMin
Dew Point8.0°C (46.4°F)2.97°C (37.35°F)-2.0°C (28.4°F)
PrecipitationMaxAverageMinSum
Precipitation13.3mm | 0.52in1.65mm | 0.06in0.0mm | 0in51.1mm | 2.01in
Snowdepth4.1mm | 0.16in0.18mm | 0.01in0.0mm | 0in5.6mm | 0.22in
WindMaxAverageMin
Wind36.0kmh | 22.37mph16.29kmh | 10.12mph4.0kmh | 2.49mph
Gust Wind57.0kmh | 35.42mph26.03kmh | 16.17mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure13.3mb1.65mb0.0mb
Trelewis

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-01-018 | 46.46 | 42.88813 | 8.0830.62 | 10370.0 | 0.0
2019-01-023 | 37.41 | 33.88110 | 6.2130.8 | 10430.0 | 0.0
2019-01-033 | 37.40 | 32.0846 | 3.7330.8 | 10430.0 | 0.0
2019-01-043 | 37.41 | 33.8854 | 2.4930.77 | 10420.0 | 0.0
2019-01-055 | 41.03 | 37.4867 | 4.3530.71 | 10400.0 | 0.0
2019-01-068 | 46.46 | 42.8899 | 5.5930.65 | 10380.0 | 0.0
2019-01-0710 | 50.08 | 46.49021 | 13.0530.53 | 10340.5 | 0.02
2019-01-087 | 44.64 | 39.28318 | 11.1830.45 | 10310.0 | 0.0
2019-01-094 | 39.21 | 33.88012 | 7.4630.47 | 10320.0 | 0.0
2019-01-105 | 41.01 | 33.8807 | 4.3530.47 | 10320.0 | 0.0
2019-01-118 | 46.45 | 41.08513 | 8.0830.47 | 10320.1 | 0.0
2019-01-129 | 48.27 | 44.68724 | 14.9130.3 | 10260.1 | 0.0
2019-01-139 | 48.27 | 44.68331 | 19.2630.06 | 10180.1 | 0.0
2019-01-147 | 44.63 | 37.47917 | 10.5630.18 | 10220.0 | 0.0
2019-01-159 | 48.26 | 42.88619 | 11.8130.09 | 10190.9 | 0.04
2019-01-168 | 46.45 | 41.08327 | 16.7829.68 | 10053.4 | 0.13
2019-01-174 | 39.2-0 | 32.07115 | 9.3229.91 | 10130.8 | 0.03
2019-01-185 | 41.01 | 33.87920 | 12.4329.88 | 10128.3 | 0.33
2019-01-196 | 42.85 | 41.09210 | 6.2129.71 | 10062.8 | 0.11
2019-01-205 | 41.04 | 39.2906 | 3.7330.03 | 10170.2 | 0.01
2019-01-215 | 41.03 | 37.48814 | 8.730.12 | 10201.5 | 0.06
2019-01-224 | 39.20 | 32.07720 | 12.4329.62 | 10031.4 | 0.06
2019-01-234 | 39.2-0 | 32.07716 | 9.9429.65 | 10040.4 | 0.02
2019-01-246 | 42.84 | 39.2896 | 3.7329.85 | 10110.4 | 0.02
2019-01-259 | 48.28 | 46.49118 | 11.1829.97 | 10150.2 | 0.01
2019-01-269 | 48.27 | 44.68631 | 19.2629.59 | 10025.3 | 0.21
2019-01-274 | 39.20 | 32.07136 | 22.3729.41 | 9961.4 | 0.06
2019-01-284 | 39.2-1 | 30.27116 | 9.9429.77 | 10080.0 | 0.0
2019-01-294 | 39.21 | 33.88323 | 14.2929.53 | 10008.5 | 0.33
2019-01-302 | 35.6-2 | 28.47613 | 8.0829.44 | 9971.5 | 0.06
2019-01-311 | 33.8-2 | 28.48523 | 14.2929.18 | 98813.3 | 0.52

Trelewis 3 Year Historical Weather Data

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