Johnstown, County Wicklow, Ireland Climate

Weather: 8.34°C/47.01°F, Wind SW at 4.2 km/h, 90% Humidity, 0% Chance of rain

Ireland
(Photo by Jacob Kiesow on Unsplash)

Johnstown Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Johnstown has a Marine west coast, warm summer climate (Classification: Cfb). The district’s yearly temperature is 11.01ºC (51.82ºF) and it is 0.91% higher than Ireland’s averages. Johnstown typically receives about 64.51 millimeters (2.54 inches) of precipitation and has 155.45 rainy days (42.59% of the time) annually.

CountryIreland
CityCounty Wicklow
Longitude-6.23612
Latitude52.78487
Attitude/ElevationNonem (0ft)
Local timeThursday 16:46
Annual high temperature12.36ºC (54.25ºF)
Annual low temperature8.49ºC (47.28ºF)
Average annual precip.64.51mm (2.54in)
Warmest monthAugust (17.39ºC / 63.3ºF)
Coldest MonthFebruary (4.81ºC / 40.66ºF)
Wettest MonthNovember (79.91mm / 3.15in)
Driest MonthApril (48.25mm / 1.9in)
Number of days with rainfall (≥ 1.0 mm)155.45 days (42.59%)
Days with no rain209.55 days (57.41%)
Humidity86.63%

Climate Johnstown: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.42(56.16)14.45(58.01)14.45(58.01)16.51(61.72)18.58(65.44)21.67(71.01)22.71(72.88)21.67(71.01)20.64(69.15)18.58(65.44)16.51(61.72)14.45(58.01)22.71(72.88)
Average high °C (°F)8.12(46.62)8.16(46.69)8.95(48.11)10.59(51.06)12.9(55.22)15.5(59.9)17.38(63.28)17.39(63.3)16.07(60.93)13.76(56.77)10.7(51.26)8.82(47.88)12.36(54.25)
Daily mean °C (°F)6.92(44.46)6.82(44.28)7.44(45.39)9.24(48.63)11.64(52.95)14.23(57.61)16.04(60.87)15.93(60.67)14.53(58.15)12.39(54.3)9.39(48.9)7.61(45.7)11.01(51.82)
Average low °C (°F)5.01(41.02)4.81(40.66)4.97(40.95)6.49(43.68)8.63(47.53)11.2(52.16)13.04(55.47)13.01(55.42)11.72(53.1)10.23(50.41)7.28(45.1)5.6(42.08)8.49(47.28)
Record low °C (°F)-5.16(22.71)-2.06(28.29)-2.06(28.29)-2.06(28.29)-1.03(30.15)3.1(37.58)6.19(43.14)5.16(41.29)1.03(33.85)1.03(33.85)-2.06(28.29)-7.22(19.0)-7.22(19.0)
Average precipitation mm (inches)58.92(2.32)60.91(2.4)52.47(2.07)48.25(1.9)50.25(1.98)75.36(2.97)71.13(2.8)70.88(2.79)57.89(2.28)78.77(3.1)79.91(3.15)69.4(2.73)64.52(2.54)
Average precipitation days (≥ 1.0 mm)11.8212.5712.2910.9812.1114.3614.7314.9111.2612.8514.8212.7612.95
Average relative humidity (%)85.7584.9284.6685.4886.5388.4188.8688.1287.4586.3985.9987.0386.63
Mean monthly sunshine hours6.026.449.3112.3112.9913.2312.9712.7310.996.746.155.839.64

Climate Graph

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

Johnstown

Johnstown Temperature by Month

July
16.04°C | 60.87°F
August
15.93°C | 60.67°F
September
14.53°C | 58.15°F
June
14.23°C | 57.61°F
October
12.39°C | 54.3°F
May
11.64°C | 52.95°F
November
9.39°C | 48.9°F
April
9.24°C | 48.63°F
December
7.61°C | 45.7°F
March
7.44°C | 45.39°F
January
6.92°C | 44.46°F
February
6.82°C | 44.28°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 Temperature18.58°C (65.44°F)13.35°C (56.03°F)7.22°C (45.0°F)
Avg Temperature15.48°C (59.86°F)11.85°C (53.33°F)7.22°C (45.0°F)
Min Temperature12.39°C (54.3°F)8.19°C (46.74°F)-1.03°C (30.15°F)
Dew PointMaxAverageMin
Dew Point11.35°C (52.43°F)7.22°C (45.0°F)-0.0°C (0°F)
PrecipitationMaxAverageMinSum
Precipitation5.78mm | 0.23in0.58mm | 0.02in0.0mm | 0in17.86mm | 0.7in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind40.25kmh | 25.01mph16.68kmh | 10.36mph6.19kmh | 3.85mph
Gust Wind59.86kmh | 37.2mph25.34kmh | 15.75mph10.32kmh | 6.41mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.78mb0.58mb0.0mb
Johnstown

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-05-0110.32 | 50.584.13 | 39.437815.48 | 9.6230.48 | 1032.12.68 | 0.11
2020-05-0210.32 | 50.585.16 | 41.297811.35 | 7.0530.81 | 1043.450.31 | 0.01
2020-05-039.29 | 48.725.16 | 41.298211.35 | 7.0530.9 | 1046.550.21 | 0.01
2020-05-0410.32 | 50.586.19 | 43.148117.55 | 10.9131.09 | 1052.740.0 | 0
2020-05-0510.32 | 50.587.22 | 45.08418.58 | 11.5531.09 | 1052.740.31 | 0.01
2020-05-0610.32 | 50.586.19 | 43.147914.45 | 8.9831.21 | 1056.870.0 | 0
2020-05-0710.32 | 50.588.26 | 46.878814.45 | 8.9831.12 | 1053.771.14 | 0.04
2020-05-0813.42 | 56.169.29 | 48.728212.39 | 7.731.03 | 1050.680.62 | 0.02
2020-05-0913.42 | 56.169.29 | 48.72837.22 | 4.4930.9 | 1046.550.83 | 0.03
2020-05-108.26 | 46.875.16 | 41.298134.06 | 21.1630.94 | 1047.581.03 | 0.04
2020-05-117.22 | 45.0-0.0 | 06432.0 | 19.8831.27 | 1058.930.1 | 0.0
2020-05-128.26 | 46.871.03 | 33.857010.32 | 6.4131.24 | 1057.90.21 | 0.01
2020-05-137.22 | 45.02.06 | 35.717523.74 | 14.7531.12 | 1053.770.31 | 0.01
2020-05-149.29 | 48.722.06 | 35.717012.39 | 7.731.24 | 1057.90.0 | 0
2020-05-159.29 | 48.724.13 | 39.43749.29 | 5.7731.3 | 1059.970.0 | 0
2020-05-1611.35 | 52.436.19 | 43.147614.45 | 8.9831.24 | 1057.90.0 | 0
2020-05-1712.39 | 54.38.26 | 46.878028.9 | 17.9631.0 | 1049.651.03 | 0.04
2020-05-1813.42 | 56.1610.32 | 50.589017.55 | 10.9131.12 | 1053.771.34 | 0.05
2020-05-1915.48 | 59.8611.35 | 52.438417.55 | 10.9131.15 | 1054.810.41 | 0.02
2020-05-2013.42 | 56.169.29 | 48.728519.61 | 12.1931.09 | 1052.740.0 | 0
2020-05-2113.42 | 56.1610.32 | 50.588713.42 | 8.3431.06 | 1051.710.62 | 0.02
2020-05-2213.42 | 56.168.26 | 46.877840.25 | 25.0130.72 | 1040.365.78 | 0.23
2020-05-2312.39 | 54.36.19 | 43.147133.03 | 20.5231.03 | 1050.680.31 | 0.01
2020-05-2414.45 | 58.019.29 | 48.727819.61 | 12.1931.39 | 1063.060.31 | 0.01
2020-05-2513.42 | 56.168.26 | 46.878220.64 | 12.8331.48 | 1066.160.0 | 0
2020-05-2614.45 | 58.0111.35 | 52.43876.19 | 3.8531.58 | 1069.260.31 | 0.01
2020-05-2713.42 | 56.169.29 | 48.72836.19 | 3.8531.61 | 1070.290.0 | 0
2020-05-2815.48 | 59.8610.32 | 50.58818.26 | 5.1331.45 | 1065.130.0 | 0
2020-05-2914.45 | 58.0110.32 | 50.588012.39 | 7.731.3 | 1059.970.0 | 0
2020-05-3014.45 | 58.018.26 | 46.87746.19 | 3.8531.21 | 1056.870.0 | 0
2020-05-3114.45 | 58.0111.35 | 52.43808.26 | 5.1331.18 | 1055.840.0 | 0

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