Juneau Borough, Alaska Weather by Month

By | January 14, 2024

Juneau Borough, located in the southeastern part of Alaska, experiences a maritime climate with distinct seasons. The climate is influenced by the Pacific Ocean and the coastal mountains, resulting in relatively mild temperatures compared to other parts of the state. Here’s a detailed breakdown of the weather by month in Juneau:

January-February: Winter Months

  • January and February are the coldest months in Juneau, with average daytime temperatures ranging from 25 to 35 degrees Fahrenheit (-4 to 2 degrees Celsius).
  • Nights are colder, often dropping below freezing. Snow is common during these months, contributing to a picturesque winter landscape.
  • The city experiences relatively short daylight hours during winter, with only a few hours of sunlight each day.┬áSee equzhou.net for climate and weather in Juneau, Alaska.

March-April: Transition to Spring

  • March marks the beginning of the transition to spring, with temperatures gradually warming up. Daytime highs range from 35 to 45 degrees Fahrenheit (2 to 7 degrees Celsius).
  • As spring progresses into April, temperatures continue to rise, and the snow begins to melt. Daylight hours increase, and signs of new growth become evident.

May-June: Late Spring

  • May sees a more significant shift toward milder conditions, with daytime temperatures ranging from 45 to 55 degrees Fahrenheit (7 to 13 degrees Celsius).
  • June marks the beginning of summer, with daytime highs reaching into the 60s. Spring showers are common, contributing to the lush greenery of the region.
  • Daylight hours increase substantially during May and June, providing residents and visitors with more outdoor activities.

July-August: Summer Months

  • July and August are the warmest months in Juneau. Daytime temperatures typically range from 60 to 70 degrees Fahrenheit (15 to 21 degrees Celsius).
  • These months offer the most extended days of the year, with daylight often lasting for over 18 hours. Summer is a popular time for outdoor activities such as hiking, fishing, and wildlife viewing.
  • While rain is still possible, July and August are relatively drier compared to other months.

September-October: Early Fall

  • September marks the beginning of the transition to fall. Daytime temperatures gradually decrease, ranging from 55 to 65 degrees Fahrenheit (13 to 18 degrees Celsius).
  • Fall foliage begins to appear in September, creating a beautiful display of colors. Rainfall increases as the region moves into October.
  • Nights become cooler, and residents may start preparing for the winter months ahead.

November-December: Fall into Winter

  • November sees a further decline in temperatures, with daytime highs ranging from 40 to 50 degrees Fahrenheit (4 to 10 degrees Celsius).
  • As winter approaches, snowfall becomes more frequent. Daylight hours decrease significantly, with only a few hours of sunlight each day in December.
  • December marks the beginning of the winter season, with daytime temperatures often hovering around freezing.

Throughout the year, Juneau Borough experiences a diverse range of weather conditions, from the snowy landscapes of winter to the vibrant greens of summer. The maritime climate ensures relatively moderate temperatures, but residents and visitors should be prepared for the changing weather patterns that come with living in this picturesque Alaskan region. Local weather forecasts and updates are essential for staying informed about specific conditions.

Juneau Borough, Alaska