Best year time to visit Allagash

General weather information about Allagash

Average annual temperature is 6.1 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -31.7 °C

Number of sunny days: 125 days

Number of rainy days: 167 days

Number of snow days: 73 days

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

Allagash air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.66.76.118.131.833.332.224.729.325.89.912.3
Average daytime temperature (°C)-3.3-4.92.110.117.021.526.221.621.615.12.70.9
Average temperature (°C)-7.2-10.3-2.24.210.716.221.117.016.010.6-1.4-3.2
Average night temperature (°C)-11.3-14.8-5.8-0.95.411.616.913.311.67.2-4.9-6.9
Absolute minimum temperature (°C)-24.2-31.7-15.7-9.6-1.36.311.69.03.4-3.3-13.3-19.1

Allagash monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.815.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.26.56.27.99.77.810.28.88.25.55.13.9
Precipitation (mm)126547245841041171811061074790
Sunny days8109141563414111417
Rainy days6311315242827161888
Snow days171521310000286

Allagash - weather forecast by months

Allagash weather in januaryAllagash weather in februaryAllagash weather in marchAllagash weather in aprilAllagash weather in mayAllagash weather in juneAllagash weather in julyAllagash weather in augustAllagash weather in septemberAllagash weather in octoberAllagash weather in novemberAllagash weather in december

Best time to visit Allagash:

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

  • May — 9.7(h)
  • July — 10.2(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Allagash:

  • June — 15.8(h)
  • July — 15.5(h)

The largest precipitation sum in Allagash is at

  • January — 126(mm)
  • August — 181(mm)

    • Weather forecast in the closest to Allagash admin centers

    Weather forecast in the closest towns to Allagash

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    Frequently asked questions

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