Best year time to visit Lake Hopatcong

General weather information about Lake Hopatcong

Average annual temperature is 11.7 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -18.6 °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 Lake Hopatcong United States is based on climate observations for 2026 year

Lake Hopatcong air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.317.615.431.328.334.031.829.532.626.918.114.6
Average daytime temperature (°C)7.07.38.817.721.124.828.326.022.818.19.77.8
Average temperature (°C)3.52.13.611.614.619.023.321.218.313.55.23.9
Average night temperature (°C)0.6-2.0-0.56.98.714.419.417.514.99.81.51.2
Absolute minimum temperature (°C)-4.9-18.6-5.7-1.13.49.015.314.18.73.7-5.2-5.9

Lake Hopatcong 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)4.66.57.38.911.710.311.79.78.17.67.44.6
Precipitation (mm)12948941225082123981785380219
Sunny days13161315201071113161615
Rainy days17916151120242017151314
Snow days132000000012

Lake Hopatcong - weather forecast by months

Lake Hopatcong weather in januaryLake Hopatcong weather in februaryLake Hopatcong weather in marchLake Hopatcong weather in aprilLake Hopatcong weather in mayLake Hopatcong weather in juneLake Hopatcong weather in julyLake Hopatcong weather in augustLake Hopatcong weather in septemberLake Hopatcong weather in octoberLake Hopatcong weather in novemberLake Hopatcong weather in december

Best time to visit Lake Hopatcong:

The best time to visit Lake Hopatcong during the most sunny months:

  • May — 11.7(h)
  • June — 10.3(h)
  • July — 11.7(h)

The largest precipitation sum in Lake Hopatcong is at

  • September — 178(mm)
  • December — 219(mm)

    • Weather forecast in the closest to Lake Hopatcong admin centers

    Weather forecast in the closest towns to Lake Hopatcong

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    Frequently asked questions

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