Best year time to visit Copper Harbor

General weather information about Copper Harbor

Average annual temperature is 5.7 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -21.5 °C

Number of sunny days: 159 days

Number of rainy days: 136 days

Number of snow days: 70 days

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

Copper Harbor air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)1.86.44.417.127.025.919.624.627.125.514.67.9
Average daytime temperature (°C)-2.1-2.9-0.54.814.017.615.118.216.911.15.33.0
Average temperature (°C)-4.1-5.7-2.81.89.313.211.215.715.19.42.81.3
Average night temperature (°C)-5.6-8.3-4.6-0.15.69.88.814.213.88.21.0-0.2
Absolute minimum temperature (°C)-17.1-21.5-9.6-5.30.65.95.912.110.9-0.7-7.0-5.2

Copper Harbor monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)8.910.311.913.615.115.915.514.212.610.99.38.5
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)2.05.47.07.411.011.511.811.29.45.53.93.0
Precipitation (mm)57635912468169264746705853
Sunny days561611201717172341013
Rainy days55312111314147241612
Snow days211712700000346

Copper Harbor - weather forecast by months

Copper Harbor weather in januaryCopper Harbor weather in februaryCopper Harbor weather in marchCopper Harbor weather in aprilCopper Harbor weather in mayCopper Harbor weather in juneCopper Harbor weather in julyCopper Harbor weather in augustCopper Harbor weather in septemberCopper Harbor weather in octoberCopper Harbor weather in novemberCopper Harbor weather in december

Best time to visit Copper Harbor:

The best time to visit Copper Harbor during the most sunny months:

  • May — 11.0(h)
  • June — 11.5(h)
  • July — 11.8(h)
  • August — 11.2(h)
  • September — 9.4(h)

Months with the longest average daylight duration in Copper Harbor:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Copper Harbor is at

  • April — 124(mm)
  • June — 169(mm)

    • Weather forecast in the closest to Copper Harbor admin centers

    Weather forecast in the closest towns to Copper Harbor

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    Frequently asked questions

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