Porthmadog, Gwynedd, United Kingdom Climate

Weather: 13.47°C/56.25°F, Wind SW at 1.7 km/h, 91% Humidity, 0% Chance of rain

United Kingdom
(Photo by Edd Smith on Unsplash)
Contents

Porthmadog Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Porthmadog has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 9.34ºC (48.81ºF) and it is -1.41% lower than United Kingdom’s averages. Porthmadog typically receives about 52.49 millimeters (2.07 inches) of precipitation and has 60.81 rainy days (16.66% of the time) annually.

CountryUnited Kingdom
CityGwynedd
Longitude-4.133384
Latitude52.927842
Attitude/ElevationNonem (0ft)
Local timeTuesday 21:08
Annual high temperature11.17ºC (52.11ºF)
Annual low temperature5.54ºC (41.97ºF)
Average annual precip.52.49mm (2.07in)
Warmest monthJuly (17.16ºC / 62.89ºF)
Coldest MonthFebruary (1.32ºC / 34.38ºF)
Wettest MonthDecember (76.49mm / 3.01in)
Driest MonthMay (25.0mm / 0.98in)
Number of days with rainfall (≥ 1.0 mm)60.81 days (16.66%)
Days with no rain304.19 days (83.34%)
Humidity87.67%

Climate Porthmadog: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)10.0(50.0)16.0(60.8)13.0(55.4)21.0(69.8)21.0(69.8)25.0(77.0)25.0(77.0)24.0(75.2)21.0(69.8)19.0(66.2)13.0(55.4)11.0(51.8)25.0(77.0)
Average high °C (°F)5.95(42.71)6.36(43.45)6.97(44.55)11.42(52.56)13.86(56.95)15.99(60.78)17.16(62.89)16.57(61.83)14.12(57.42)10.78(51.4)8.3(46.94)6.62(43.92)11.17(52.11)
Daily mean °C (°F)4.37(39.87)4.44(39.99)5.05(41.09)8.94(48.09)11.67(53.01)14.17(57.51)15.38(59.68)14.9(58.82)12.13(53.83)8.96(48.13)6.71(44.08)5.31(41.56)9.34(48.81)
Average low °C (°F)1.89(35.4)1.32(34.38)1.48(34.66)4.27(39.69)6.27(43.29)8.97(48.15)10.37(50.67)10.98(51.76)8.48(47.26)5.75(42.35)3.77(38.79)2.88(37.18)5.54(41.97)
Record low °C (°F)-4.0(24.8)-8.0(17.6)-8.0(17.6)-3.0(26.6)0.0(0)1.0(33.8)2.0(35.6)3.0(37.4)3.0(37.4)-1.0(30.2)-9.0(15.8)-7.0(19.4)-9.0(15.8)
Average precipitation mm (inches)56.45(2.22)64.0(2.52)67.68(2.66)35.24(1.39)25.0(0.98)45.37(1.79)34.58(1.36)52.01(2.05)44.44(1.75)73.25(2.88)55.43(2.18)76.49(3.01)52.49(2.07)
Average precipitation days (≥ 1.0 mm)5.275.455.274.273.185.04.556.274.645.365.735.825.07
Average relative humidity (%)88.9685.3386.283.9182.4986.7987.6190.3489.4890.1590.1390.6587.67
Mean monthly sunshine hours2.856.987.759.6413.8314.6414.2710.378.46.954.542.588.57

Climate Graph

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

Porthmadog

Porthmadog Temperature by Month

July
15.38°C | 59.68°F
August
14.9°C | 58.82°F
June
14.17°C | 57.51°F
September
12.13°C | 53.83°F
May
11.67°C | 53.01°F
October
8.96°C | 48.13°F
April
8.94°C | 48.09°F
November
6.71°C | 44.08°F
December
5.31°C | 41.56°F
March
5.05°C | 41.09°F
February
4.44°C | 39.99°F
January
4.37°C | 39.87°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)5.42°C (41.76°F)1.0°C (33.8°F)
Avg Temperature8.0°C (46.4°F)3.77°C (38.79°F)-1.0°C (30.2°F)
Min Temperature7.0°C (44.6°F)1.9°C (35.42°F)-4.0°C (24.8°F)
Dew PointMaxAverageMin
Dew Point7.0°C (44.6°F)1.94°C (35.49°F)-4.0°C (24.8°F)
PrecipitationMaxAverageMinSum
Precipitation16.4mm | 0.65in3.2mm | 0.13in0.0mm | 0in99.3mm | 3.91in
Snowdepth12.8mm | 0.5in1.07mm | 0.04in0.0mm | 0in33.300000000000004mm | 1.31in
WindMaxAverageMin
Wind33.0kmh | 20.51mph13.52kmh | 8.4mph2.0kmh | 1.24mph
Gust Wind48.0kmh | 29.83mph20.68kmh | 12.85mph4.0kmh | 2.49mph
Sea Level PressureMaxAverageMin
Sea Level Pressure16.4mb3.2mb0.0mb
Porthmadog

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-01-017 | 44.65 | 41.0948 | 4.9730.62 | 10370.7 | 0.03
2019-01-021 | 33.8-1 | 30.2875 | 3.1130.83 | 10440.0 | 0.0
2019-01-031 | 33.8-1 | 30.2873 | 1.8630.8 | 10430.0 | 0.0
2019-01-041 | 33.8-1 | 30.2912 | 1.2430.77 | 10420.0 | 0.0
2019-01-052 | 35.61 | 33.8957 | 4.3530.68 | 10390.1 | 0.0
2019-01-065 | 41.04 | 39.2966 | 3.7330.62 | 10370.0 | 0.0
2019-01-078 | 46.47 | 44.69619 | 11.8130.45 | 10311.9 | 0.07
2019-01-085 | 41.03 | 37.48717 | 10.5630.45 | 10310.2 | 0.01
2019-01-092 | 35.60 | 32.0857 | 4.3530.5 | 10330.3 | 0.01
2019-01-104 | 39.22 | 35.6894 | 2.4930.47 | 10320.7 | 0.03
2019-01-116 | 42.84 | 39.29110 | 6.2130.47 | 10321.0 | 0.04
2019-01-127 | 44.66 | 42.89323 | 14.2930.24 | 10242.4 | 0.09
2019-01-138 | 46.46 | 42.88926 | 16.1630.0 | 10163.3 | 0.13
2019-01-145 | 41.03 | 37.48418 | 11.1830.15 | 10210.3 | 0.01
2019-01-157 | 44.66 | 42.89121 | 13.0530.0 | 10160.7 | 0.03
2019-01-165 | 41.04 | 39.28624 | 14.9129.62 | 10034.3 | 0.17
2019-01-172 | 35.6-2 | 28.47514 | 8.729.91 | 10130.8 | 0.03
2019-01-182 | 35.6-0 | 32.08414 | 8.729.85 | 10116.3 | 0.25
2019-01-194 | 39.23 | 37.4957 | 4.3529.74 | 10072.5 | 0.1
2019-01-204 | 39.23 | 37.4936 | 3.7330.06 | 10181.7 | 0.07
2019-01-213 | 37.42 | 35.69015 | 9.3230.09 | 10198.1 | 0.32
2019-01-221 | 33.8-1 | 30.28518 | 11.1829.59 | 100210.1 | 0.4
2019-01-231 | 33.8-1 | 30.2889 | 5.5929.65 | 10041.1 | 0.04
2019-01-244 | 39.24 | 39.2975 | 3.1129.85 | 10112.6 | 0.1
2019-01-258 | 46.47 | 44.69812 | 7.4629.91 | 10132.3 | 0.09
2019-01-267 | 44.66 | 42.89425 | 15.5329.5 | 99911.3 | 0.44
2019-01-273 | 37.4-0 | 32.07833 | 20.5129.44 | 99714.3 | 0.56
2019-01-282 | 35.6-2 | 28.47814 | 8.729.77 | 10081.1 | 0.04
2019-01-292 | 35.6-0 | 32.08918 | 11.1829.47 | 99816.4 | 0.65
2019-01-301 | 33.8-3 | 26.67911 | 6.8429.41 | 9962.6 | 0.1
2019-01-31-1 | 30.2-4 | 24.88418 | 11.1829.21 | 9892.2 | 0.09

Porthmadog 3 Year Historical Weather Data

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