Best year time to visit Mercersburg Junction

General weather information about Mercersburg Junction

Average annual temperature is 13.3 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: -10.7 °C

Number of sunny days: 179 days

Number of rainy days: 181 days

Number of snow days: 5 days

Look at detailed online map of Mercersburg Junction

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

Mercersburg Junction air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.222.123.830.628.732.935.933.734.727.522.315.5
Average daytime temperature (°C)8.210.911.920.922.526.831.429.625.419.812.09.2
Average temperature (°C)4.44.85.713.615.920.425.123.419.714.46.44.8
Average night temperature (°C)1.30.20.97.79.614.419.618.415.09.71.91.2
Absolute minimum temperature (°C)-3.5-10.7-6.10.53.79.516.015.09.82.7-5.8-5.3

Mercersburg Junction monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.314.414.914.713.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.76.97.69.210.611.012.111.28.97.97.74.7
Precipitation (mm)733978136381268682121556495
Sunny days13181115181471116172316
Rainy days1882015131624201414613
Snow days020000000012

Mercersburg Junction - weather forecast by months

Mercersburg Junction weather in januaryMercersburg Junction weather in februaryMercersburg Junction weather in marchMercersburg Junction weather in aprilMercersburg Junction weather in mayMercersburg Junction weather in juneMercersburg Junction weather in julyMercersburg Junction weather in augustMercersburg Junction weather in septemberMercersburg Junction weather in octoberMercersburg Junction weather in novemberMercersburg Junction weather in december

Best time to visit Mercersburg Junction:

The best time to visit Mercersburg Junction during the most sunny months:

  • June — 11.0(h)
  • July — 12.1(h)
  • August — 11.2(h)

The largest precipitation sum in Mercersburg Junction is at

  • April — 136(mm)
  • June — 126(mm)
  • September — 121(mm)

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    Frequently asked questions

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