August weather forecast
McKinley Park, AK

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The landscape of the famed McKinley Park in the Alaska Denali National Park
The landscape of the famed McKinley Park in the Alaska Denali National Park

Weather in August

The last month of the summer, August, is another cool month in McKinley Park, Alaska, with an average temperature varying between 55.2°F (12.9°C) and 39.2°F (4°C).

Temperature

August is marked by a subtle drop in average high-temperatures, transitioning from a comfortable 61.2°F (16.2°C) in July to a fresh 55.2°F (12.9°C). August nights cool down to an average low-temperature of 39.2°F (4°C).

Humidity

In August, the average relative humidity is 78%.

Rainfall

The month with the most rainfall in McKinley Park is August, when the rain falls for 18.6 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

Months with snowfall are January through May, August through December. August is the first month it typically snows. Throughout August, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 116.3 snowfall days, and 42.13" (1070mm) of snow is accumulated.

Daylight

In McKinley Park, Alaska, the average length of the day in August is 16h and 10min.
On the first day of August, sunrise is at 5:10 am and sunset at 10:52 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 9:11 pm AKDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

The average daily maximum UV index in August is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, a regular UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What are August temperatures?

The average high-temperature, in August, in McKinley Park, is 55.2°F (12.9°C), while the average low-temperature is 39.2°F (4°C).

What is the average humidity in August?

In McKinley Park, the average relative humidity in August is 78%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.07" (78mm) of precipitation.

How much does it rain in August?

In August, the rain falls for 18.6 days. Throughout August, 3.07" (78mm) of precipitation is accumulated.

When does it start to snow?

August is the first month it typically snows. Throughout August, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in August?

The average day length in August is 16h and 10min.

When are sunrise and sunset in August?

On the first day of August in McKinley Park, sunrise is at 5:10 am and sunset at 10:52 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 9:11 pm AKDT.

How long on average sun shines in August?

The average sunshine duration in August in McKinley Park is 9.4h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 2. A UV Index estimate of 2, and below, represents a low health threat 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
McKinley Park, AK

Average temperature in August - McKinley Park, AK
  • Average high temperature in August: 55.2°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (2.8°F).

  • Average low temperature in August: 39.2°F

The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (-8°F).

Average pressure in August
McKinley Park, AK

Average pressure in August - McKinley Park, AK
  • Average pressure in August: 29.85"Hg

The month with the highest atmospheric pressure is February (29.93"Hg).
The month with the lowest atmospheric pressure is September (29.76"Hg).

Average wind speed in August
McKinley Park, AK

Average wind speed in August - McKinley Park, AK
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is December (5.6mph).
The calmest month (with the lowest average wind speed) is June (4.7mph).

Average humidity in August
McKinley Park, AK

Average humidity in August - McKinley Park, AK
  • Average humidity in August: 78%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (67%).

Average rainfall in August
McKinley Park, AK

Average rainfall in August - McKinley Park, AK
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
McKinley Park, AK

Average rainfall days in August - McKinley Park, AK
  • Average rainfall days in August: 18.6 days

The month with the highest number of rainy days is June (19.9 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in August
McKinley Park, AK

Average snowfall in August - McKinley Park, AK
  • Average snowfall in August: 0.2"

The month with the highest snowfall is October (7.4").
The months with the least snowfall are June and July (0").

Average snowfall days in August
McKinley Park, AK

Average snowfall days in August - McKinley Park, AK
  • Average snowfall days in August: 0.3 days

The month with the highest number of snowfall days is March (18.8 days).
The months with the least snowfall days are June and July (0 days).

Average daylight in August /
Average sunshine in August
McKinley Park, AK

Average daylight in August / Average sunshine in August - McKinley Park, AK
  • Average daylight in August: 16h and 1min

The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 36min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in August
McKinley Park, AK

Average sunshine days in August - McKinley Park, AK
  • Average sunshine days in August: 10 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (7.9 days).

Average UV index in August
McKinley Park, AK

Average UV index in August - McKinley Park, AK
  • Average UV index in August: 2

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, October and December (UV index 1).

Average cloud cover in August
McKinley Park, AK

Average cloud cover in August - McKinley Park, AK
  • Average cloud cover in August: 52

The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is May (Cloud cover 41).

Average visibility in August
McKinley Park, AK

Average visibility in August - McKinley Park, AK
  • Average visibility in August: 5mi

The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January and March (3mi).

McKinley Park, Alaska, USA

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