Best year time to visit Town of Hackettstown

General weather information about Town of Hackettstown

Average annual temperature is 11.3 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 165 days

Number of rainy days: 191 days

Number of snow days: 9 days

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* Weather data for Town of Hackettstown United States is based on climate observations for 2026 year

Town of Hackettstown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.017.215.131.127.933.931.729.331.926.817.814.2
Average daytime temperature (°C)6.67.18.617.720.924.528.325.822.517.79.37.4
Average temperature (°C)3.01.83.311.314.218.722.920.817.812.94.63.4
Average night temperature (°C)0.1-2.4-0.96.58.113.818.516.814.19.00.70.5
Absolute minimum temperature (°C)-5.2-18.0-6.4-1.32.78.814.012.97.62.7-6.0-6.2

Town of Hackettstown 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)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.66.77.38.811.710.512.09.88.17.97.54.6
Precipitation (mm)12344871094692131962014770206
Sunny days1314121421991215151714
Rainy days171018161021221915161215
Snow days141000000012

Town of Hackettstown - weather forecast by months

Town of Hackettstown weather in januaryTown of Hackettstown weather in februaryTown of Hackettstown weather in marchTown of Hackettstown weather in aprilTown of Hackettstown weather in mayTown of Hackettstown weather in juneTown of Hackettstown weather in julyTown of Hackettstown weather in augustTown of Hackettstown weather in septemberTown of Hackettstown weather in octoberTown of Hackettstown weather in novemberTown of Hackettstown weather in december

Best time to visit Town of Hackettstown:

The best time to visit Town of Hackettstown during the most sunny months:

  • May — 11.7(h)
  • June — 10.5(h)
  • July — 12.0(h)

The largest precipitation sum in Town of Hackettstown is at

  • September — 201(mm)
  • December — 206(mm)

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    Frequently asked questions

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