August weather forecast
Marshall, AK

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Weather in August

The last month of the summer, August, is another refreshing month in Marshall, Alaska, with an average temperature fluctuating between 59°F (15°C) and 46.4°F (8°C).

Temperature

Marshall sees the arrival of August with an average high-temperature of a moderate 59°F (15°C), indicating a subtle variation from July. Throughout the month of August, Marshall witnesses an average temperature of 46.4°F (8°C).

Humidity

The average relative humidity in August is 82%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The average length of the day in August is 15h and 50min.
On the first day of the month, sunrise is at 6:18 am and sunset at 11:30 pm. On the last day of August, in Marshall, sunrise is at 7:38 am and sunset at 9:58 pm AKDT.

Sunshine

The average sunshine in August is 5.6h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 3 in August interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

An average high-temperature, in August, in Marshall, is 59°F (15°C) and the average low-temperature is 46.4°F (8°C).

What is the average humidity in August?

In Marshall, the average relative humidity in August is 82%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.8 days and typically aggregates up to 2.13" (54mm) of precipitation.

How much does it rain in Marshall in August?

In August, the rain falls for 17.8 days. Throughout August, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

In Marshall, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

In August, the average day length is 15h and 50min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:18 am and sunset at 11:30 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 9:58 pm AKDT.

How long on average sun shines in August?

The average sunshine duration in August is 5.6h.

When is the highest UV index?

May through August, with an average maximum UV index of 3, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Marshall, AK

Average temperature in August - Marshall, AK
  • Average high temperature in August: 59°F

The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).

  • Average low temperature in August: 46.4°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).

Average pressure in August
Marshall, AK

Average pressure in August - Marshall, AK
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).

Average wind speed in August
Marshall, AK

Average wind speed in August - Marshall, AK
  • Average wind speed in August: 9.2mph

The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in August
Marshall, AK

Average humidity in August - Marshall, AK
  • Average humidity in August: 82%

The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).

Average rainfall in August
Marshall, AK

Average rainfall in August - Marshall, AK
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").

Average rainfall days in August
Marshall, AK

Average rainfall days in August - Marshall, AK
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).

Average snowfall in August
Marshall, AK

Average snowfall in August - Marshall, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Marshall, AK

Average snowfall days in August - Marshall, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Marshall, AK

Average daylight in August / Average sunshine in August - Marshall, AK
  • Average daylight in August: 15h and 5min

The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).

  • Average sunshine in August: 5h and 4min

The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in August
Marshall, AK

Average sunshine days in August - Marshall, AK
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).

Average UV index in August
Marshall, AK

Average UV index in August - Marshall, AK
  • Average UV index in August: 3

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).

Average cloud cover in August
Marshall, AK

Average cloud cover in August - Marshall, AK
  • Average cloud cover in August: 67

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).

Average visibility in August
Marshall, AK

Average visibility in August - Marshall, AK
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).

Marshall, Alaska, USA

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