Best year time to visit Antietam

General weather information about Antietam

Average annual temperature is 14.2 °C

Absolute maximum temperature: 37.1 °C

Absolute minimum temperature: -9.9 °C

Number of sunny days: 185 days

Number of rainy days: 177 days

Number of snow days: 3 days

Look at detailed online map of Antietam

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

Antietam air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.022.724.631.330.134.637.134.036.828.923.017.1
Average daytime temperature (°C)9.311.812.621.923.427.832.630.826.420.913.210.1
Average temperature (°C)5.26.06.614.816.721.225.924.520.715.17.55.6
Average night temperature (°C)2.21.51.88.910.615.520.819.416.110.53.02.4
Absolute minimum temperature (°C)-3.0-9.9-5.62.45.311.418.215.211.24.1-5.5-3.5

Antietam 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)9.810.712.013.214.314.914.613.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.97.07.79.510.411.012.011.38.98.37.75.3
Precipitation (mm)5148911223513777551203768112
Sunny days13151216171371316192420
Rainy days17111914141724181412611
Snow days120000000000

Antietam - weather forecast by months

Antietam weather in januaryAntietam weather in februaryAntietam weather in marchAntietam weather in aprilAntietam weather in mayAntietam weather in juneAntietam weather in julyAntietam weather in augustAntietam weather in septemberAntietam weather in octoberAntietam weather in novemberAntietam weather in december

Best time to visit Antietam:

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

  • June — 11.0(h)
  • July — 12.0(h)
  • August — 11.3(h)

The largest precipitation sum in Antietam is at

  • April — 122(mm)
  • June — 137(mm)
  • September — 120(mm)
  • December — 112(mm)

    • Weather forecast in the closest to Antietam admin centers

    Weather forecast in the closest towns to Antietam

    Explore Antietam

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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