August weather forecast and climate
Koyuk, AK

Weather in August

The last month of the summer, August, is another mild month in Koyuk, Alaska, with average temperature fluctuating between 47.7°F (8.7°C) and 57.2°F (14°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderate 57.2°F (14°C). The average low-temperature, in Koyuk, is 47.7°F (8.7°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

August is the month with the most rainfall in Koyuk. Rain falls for 19.8 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

In Koyuk, Alaska, snow does not fall in June through August.

Daylight

The average length of the day is 16.4h.

Sunshine

In August, the average sunshine is 7h.

UV index

In August, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Koyuk?

The average high-temperature, in August, in Koyuk, Alaska, is 57.2°F (14°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in August in Koyuk?

In August, the average relative humidity in Koyuk is 81%.

How many days does it rain in August in Koyuk?

In Koyuk, Alaska, in August, during 19.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

What is the rainiest month in Koyuk?

The month with the most rainfall in Koyuk is August when the rain falls for 19.8 days and typically aggregates up to 2.24" (57mm) of precipitation.

Does it snow in Koyuk in August?

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

When it does not snow in Koyuk?

In Koyuk, Alaska, snow does not fall in June through August.

How many hours of daylight does Koyuk have in August?

The average length of the day in August is 16.4h.

How many hours of sunshine does Koyuk have in August?

In Koyuk, Alaska, the average sunshine in August is 7h.

What is the UV index reading in August in Koyuk?

In Koyuk, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in August
Koyuk, AK

Average temperature in August - Koyuk, AK
  • Average high temperature in August: 57.2°F

The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).

  • Average low temperature in August: 47.7°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).

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Average pressure in August
Koyuk, AK

Average pressure in August - Koyuk, AK
  • Average pressure in August: 29.83"

The month with the highest atmospheric pressure is May (29.92").
The month with the lowest atmospheric pressure is October (29.72").

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Average wind speed in August
Koyuk, AK

Average wind speed in August - Koyuk, AK
  • Average wind speed in August: 7.5mph

The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).

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Average humidity in August
Koyuk, AK

Average humidity in August - Koyuk, AK
  • Average humidity in August: 81%

The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).

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Average rainfall in August
Koyuk, AK

Average rainfall in August - Koyuk, AK
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Koyuk, AK

Average rainfall days in August - Koyuk, AK
  • Average rainfall days in August: 19.8 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall in August
Koyuk, AK

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

The month with the highest snowfall is November (4.76").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Koyuk, AK

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

The month with the highest number of snowfall days is March (16.7 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Koyuk, AK
  • Average daylight in August: 16.4h

The month with the longest days is June (Average daylight: 21.6h).
The month with the shortest days is December (Average daylight: 3.9h).

  • Average sunshine in August: 7h

The month with the most sunshine is May (Average sunshine: 8.3h).
The month with the least sunshine is June (Average sunshine: 2.9h).

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Average sunshine days in August
Koyuk, AK

Average sunshine days in August - Koyuk, AK
  • Average sunshine days in August: 8.4 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).

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Average UV index in August
Koyuk, AK

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

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

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Average cloud cover in August
Koyuk, AK

Average cloud cover in August - Koyuk, AK
  • Average cloud cover in August: 62

The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).

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Average visibility in August
Koyuk, AK

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

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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