Best year time to visit Johnstown South

General weather information about Johnstown South

Average annual temperature is 11.0 °C

Absolute maximum temperature: 26.8 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 92 days

Number of rainy days: 273 days

Look at detailed online map of Johnstown South

* Weather data for Johnstown South Ireland is based on climate observations for 2026 year

Johnstown South air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.013.515.318.321.526.721.623.526.821.813.913.4
Average daytime temperature (°C)8.310.110.112.817.221.318.219.018.814.610.09.2
Average temperature (°C)5.97.47.19.113.016.915.115.515.211.37.67.3
Average night temperature (°C)3.64.74.35.48.712.411.812.511.38.25.14.9
Absolute minimum temperature (°C)-3.8-1.9-1.40.14.66.68.79.73.91.5-1.0-3.1

Johnstown South monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.07.0
Daylight mean duration (h)8.29.911.914.015.816.816.314.712.710.68.77.7
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.93.84.37.39.710.99.17.77.04.74.42.2
Precipitation (mm)8014122775861134961531525296
Sunny days1016441510117888
Rainy days211227261620303023232223
Snow days000000000000

Johnstown South - weather forecast by months

Johnstown South weather in januaryJohnstown South weather in februaryJohnstown South weather in marchJohnstown South weather in aprilJohnstown South weather in mayJohnstown South weather in juneJohnstown South weather in julyJohnstown South weather in augustJohnstown South weather in septemberJohnstown South weather in octoberJohnstown South weather in novemberJohnstown South weather in december

Best time to visit Johnstown South:

The best time to visit Johnstown South during the most sunny months:

  • May — 9.7(h)
  • June — 10.9(h)
  • July — 9.1(h)

Months with the longest average daylight duration in Johnstown South:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.3(h)

The largest precipitation sum in Johnstown South is at

  • March — 122(mm)
  • July — 134(mm)
  • September — 153(mm)
  • October — 152(mm)

    • Weather forecast in the closest to Johnstown South admin centers

    Weather forecast in the closest towns to Johnstown South

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    Frequently asked questions

    When is the best time to visit Johnstown South?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Johnstown South.
    What is the weather like in Johnstown South?
    See average temperature, rainfall and daylight hours for Johnstown South by month in the table above.
    How many sunny days does Johnstown South have?
    The monthly weather statistics above show sunshine and rainfall patterns for Johnstown South throughout the year.