August weather forecast
Alaska, USA

As the calendar flips to August, Alaska gradually begins its transition from the heart of summer to the whispers of autumn. Cities such as Sitka, positioned in the southeastern panhandle, can witness a mix of summer warmth and the initial hints of cooler autumn breezes.

When placed in context with July, August sees a noticeable reduction in daylight hours. While still extended, the sun doesn't linger as long on the horizon, hinting at the forthcoming change in seasons. Despite this, warmth remains a central feature of August, though temperatures tend to moderate slightly towards the end of the month.

Precipitation in August is noteworthy. The shift in season brings about increased rainfall, especially in regions like the Alaska Peninsula and Aleutian Islands. Rain showers can be frequent and sometimes heavy, a stark reminder of the state's proximity to vast oceanic bodies. Temperatures are in the average range of 42°F (5.6°C) to 58°F (14.4°C) statewide, with variations by altitude and region.

Rivers that were vigorous in the earlier summer months begin to stabilize, though they still maintain a good flow. August marks the tail end of the primary fishing season, with late salmon runs still providing ample opportunities for anglers.

Vegetation starts showing signs of the impending fall. While greenery remains dominant, the first hues of gold and red begin to appear, especially in deciduous forests. This mosaic of colors becomes more pronounced as August advances, making it a visually delightful period to explore Alaska's outdoors.

Wildlife activity remains high, but patterns start to change. Many species begin preparations for the colder months ahead, be it by accumulating fat or migrating to warmer regions. Observers can witness this natural spectacle, further emphasizing the dynamic interplay between Alaska's creatures and its environment. As August winds down, the state stands at the crossroads of seasons, with the crispness of fall waiting in the wings.

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• Anchorage - August »
  With an average ocean temperature of 53.1°F (11.7°C), August is the month with the warmest seawater in Anchorage, Alaska. August is the month with the warmest seawater in Anchorage, with an average ocean temperature of 53.1°F (11.7°C).
• Juneau - August »
  The month with the warmest seawater in Juneau is August, with an average ocean temperature of 53.4°F (11.9°C). In Juneau in August, during 21.6 rainfall days, 7.56" (192mm) of precipitation is typically accumulated.
• Fairbanks - August »
  August is the first month it typically snows in Fairbanks, Alaska. In Fairbanks, in August, it is raining for 16.4 days, with typically 2.44" (62mm) of accumulated precipitation.
• Wasilla - August »
  The month with the most rainfall in Wasilla is August, when the rain falls for 13.5 days and typically aggregates up to 0.94" (24mm) of precipitation. On the first day of August in Wasilla sunrise is at 5:28 am and sunset at 10:40 pm.
• Sitka - August »
  August tends to be the warmest month in Sitka with temperatures averaging a daily high of 57.9°F (14.4°C) and a low of 51.1°F (10.6°C). August is the month when Sitka sees the average highest temperatures, with a high of 57.9°F (14.4°C) and a low of 51.1°F (10.6°C).
• Ketchikan - August »
  With an average ocean temperature of 55.9°F (13.3°C), August is the month with the warmest seawater in Ketchikan, Alaska. July and August represent the warmest period in Ketchikan, Alaska, with an average high-temperature of 60.8°F (16°C).
• Kenai - August »
  August is the month with the warmest seawater in Kenai, Alaska, with an average ocean temperature of 53.4°F (11.9°C). In Kenai during August, the rain falls for 15.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.
• Kodiak - August »
  August is the month with the warmest seawater in Kodiak with an average ocean temperature of 53.4°F (11.9°C). August, recording an average high temperature of 57.6°F (14.2°C) and a low temperature of 50.7°F (10.4°C), is Kodiak's warmest month.
• Bethel - August »
  The month with the most rainfall in Bethel, Alaska, is August, when the rain falls for 19.7 days and typically aggregates up to 2.09" (53mm) of precipitation. On the first day of August in Bethel, Alaska, sunrise is at 6:23 am and sunset at 11:23 pm.
• Palmer - August »
  In Palmer, during August, the rain falls for 20.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Palmer, during August, the rain falls for 20.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.
• Homer - August »
  The month with the warmest seawater in Homer is August, with an average ocean temperature of 53.6°F (12°C). Though retaining the warmth of the peak summer month, August in Homer presents a slight decrease in temperature and an increase in rainfall from the preceding month.
• Unalaska - August »
  The month with the warmest seawater in Unalaska, Alaska, is August, with an average ocean temperature of 50.2°F (10.1°C). With an average ocean temperature of 50.2°F (10.1°C), August is the month with the warmest seawater in Unalaska.