Best year time to visit Duncannon

General weather information about Duncannon

Average annual temperature is 13.1 °C

Absolute maximum temperature: 35.2 °C

Absolute minimum temperature: -10.6 °C

Number of sunny days: 168 days

Number of rainy days: 188 days

Number of snow days: 9 days

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* Weather data for Duncannon United States is based on climate observations for 2026 year

Duncannon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.920.320.730.730.434.535.234.034.227.521.716.2
Average daytime temperature (°C)8.110.411.120.122.826.830.829.024.619.511.78.7
Average temperature (°C)4.34.25.313.215.920.424.923.219.614.36.54.8
Average night temperature (°C)1.4-0.10.87.69.415.220.118.615.410.12.61.8
Absolute minimum temperature (°C)-4.1-10.6-5.60.63.610.316.815.410.82.7-5.2-3.3

Duncannon monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.66.87.39.411.210.612.310.78.87.87.53.9
Precipitation (mm)85406911117115121981286658106
Sunny days12161215201151115171915
Rainy days18101715111926201514914
Snow days122000000022

Duncannon - weather forecast by months

Duncannon weather in januaryDuncannon weather in februaryDuncannon weather in marchDuncannon weather in aprilDuncannon weather in mayDuncannon weather in juneDuncannon weather in julyDuncannon weather in augustDuncannon weather in septemberDuncannon weather in octoberDuncannon weather in novemberDuncannon weather in december

Best time to visit Duncannon:

The best time to visit Duncannon during the most sunny months:

  • May — 11.2(h)
  • June — 10.6(h)
  • July — 12.3(h)
  • August — 10.7(h)

The largest precipitation sum in Duncannon is at

  • April — 111(mm)
  • June — 115(mm)
  • July — 121(mm)
  • September — 128(mm)

    • Weather forecast in the closest to Duncannon admin centers

    Weather forecast in the closest towns to Duncannon

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    Frequently asked questions

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