August weather forecast
Port Chilkoot, AK

Weather in August

August, the last month of the summer in Port Chilkoot, is also a fresh month, with an average temperature varying between 44.1°F (6.7°C) and 55°F (12.8°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a cool 55°F (12.8°C). The average low-temperature, in Port Chilkoot, Alaska, is 44.1°F (6.7°C).

Humidity

The average relative humidity in August is 84%.

Rainfall

In Port Chilkoot, during August, the rain falls for 19.6 days and regularly aggregates up to 4.13" (105mm) of precipitation. Throughout the year, there are 200.4 rainfall days, and 48.03" (1220mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Port Chilkoot, Alaska.

Daylight

The average length of the day in August in Port Chilkoot is 15h and 25min.
On the first day of the month, sunrise is at 4:48 am and sunset at 9:27 pm. On the last day of August, sunrise is at 5:57 am and sunset at 8:06 pm AKDT.

Sunshine

In Port Chilkoot, the average sunshine in August is 7h.

UV index

In August, the average daily maximum UV index in Port Chilkoot is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 3 in August transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Port Chilkoot?

In Port Chilkoot, Alaska, in August, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 44.1°F (6.7°C).

What is the average humidity in August in Port Chilkoot?

In Port Chilkoot, Alaska, the average relative humidity in August is 84%.

How much does it rain in Port Chilkoot in August?

In Port Chilkoot, in August, it is raining for 19.6 days, with typically 4.13" (105mm) of accumulated precipitation.

When it does not snow in Port Chilkoot?

In Port Chilkoot, Alaska, snow does not fall in June through September.

How many hours of daylight does Port Chilkoot have in August?

The average day length in August in Port Chilkoot, Alaska, is 15h and 25min.

What time are sunrise and sunset in August in Port Chilkoot?

On the first day of August in Port Chilkoot, sunrise is at 4:48 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:06 pm AKDT.

How long on average sun shines in August in Port Chilkoot?

In August, the average sunshine duration in Port Chilkoot is 7h.

What is the UV index intensity in August in Port Chilkoot?

In August, the average daily maximum UV index in Port Chilkoot, Alaska, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Port Chilkoot, AK

Average temperature in August - Port Chilkoot, AK
  • Average high temperature in August: 55°F

The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in August: 44.1°F

The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).

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Average pressure in August
Port Chilkoot, AK

Average pressure in August - Port Chilkoot, AK
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).

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Average wind speed in August
Port Chilkoot, AK

Average wind speed in August - Port Chilkoot, AK
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).

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Average humidity in August
Port Chilkoot, AK

Average humidity in August - Port Chilkoot, AK
  • Average humidity in August: 84%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in August
Port Chilkoot, AK

Average rainfall in August - Port Chilkoot, AK
  • Average rainfall in August: 4.13"

The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").

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Average rainfall days in August
Port Chilkoot, AK

Average rainfall days in August - Port Chilkoot, AK
  • Average rainfall days in August: 19.6 days

The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in August
Port Chilkoot, AK

Average snowfall in August - Port Chilkoot, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Port Chilkoot, AK

Average snowfall days in August - Port Chilkoot, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Port Chilkoot, AK

Average daylight in August / Average sunshine in August - Port Chilkoot, AK
  • Average daylight in August: 15h and 25min

The month with the longest days is June (Average daylight: 18h and 27min).
The month with the shortest days is December (Average daylight: 6h and 16min).

  • Average sunshine in August: 7h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

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Average sunshine days in August
Port Chilkoot, AK

Average sunshine days in August - Port Chilkoot, AK
  • Average sunshine days in August: 8.8 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).

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Average UV index in August
Port Chilkoot, AK

Average UV index in August - Port Chilkoot, AK
  • Average UV index in August: 3

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in August
Port Chilkoot, AK

Average cloud cover in August - Port Chilkoot, AK
  • Average cloud cover in August: 61

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).

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Average visibility in August
Port Chilkoot, AK

Average visibility in August - Port Chilkoot, AK
  • Average visibility in August: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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