ClimateForecastDecemberJanuary >>

Glennallen (AK) Climate by Month

The climate in Glennallen is marked by big temperature swings throughout the year. Temperatures range from pleasant during the warmest months to very cold in the cooler months. It maintains relatively low levels of precipitation throughout the seasons. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Glennallen, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 20°C in July to a very cold -14°C in January. Nighttime temperatures can drop, with averages reaching -21°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Glennallen typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 495 mm. The seasons in Glennallen, bring significant changes in precipitation. The wettest month, September, receives moderate rainfall, with an average of 69 mm of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, April, experiences much less snow/rainfall, totaling 15 mm over 4 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Glennallen in the United States of America

Other facts from our historical weather data:
  • Which is the warmest month in Glennallen?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Glennallen?
    The coldest month is January with an average maximum temperature of -14°C.
  • Which is the wettest month in Glennallen?
    September tops the wettest month list with 69 mm of rainfall.
  • Which is the driest month in Glennallen?
    April is the driest month with 15 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Glennallen (AK)

    Sun   Dec 15
    -14°C | -17°C
    NW 7 km/h
    11 mm
    overcast and snow

    overcast and snow

    Mon   Dec 16
    -14°C | -20°C
    N 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Tue   Dec 17
    -18°C | -24°C
    N 7 km/h
    overcast and no rain

    overcast and no rain