August weather forecast
Kenai, AK

High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska
High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska

Weather in August

The last month of the summer, August, is also a moderate month in Kenai, Alaska, with an average temperature varying between 59.7°F (15.4°C) and 50.7°F (10.4°C).

Temperature

In August, the average high-temperature is almost the same as in July - a moderate 59.7°F (15.4°C). In August, in Kenai, the average low-temperature is 50.7°F (10.4°C).

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Kenai, during 15.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Kenai, during the entire year, the rain falls for 136.3 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

May through August are months without snowfall in Kenai.

Ocean temperature

August is the month with the warmest seawater in Kenai, with an average ocean temperature of 53.4°F (11.9°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in August is 15h and 37min.
On the first day of the month, sunrise is at 5:43 am and sunset at 10:39 pm. On the last day of August, in Kenai, Alaska, sunrise is at 6:57 am and sunset at 9:13 pm AKDT.

Sunshine

In Kenai, the average sunshine in August is 8.7h.

UV index

In Kenai, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 3 in August transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in August in Kenai?

In August, the average relative humidity in Kenai is 79%.

How much does it rain in Kenai in August?

In Kenai, in August, during 15.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Kenai?

May through August are months without snowfall in Kenai.

Does it snow in Kenai in August?

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

What month is the ocean warmest in Kenai?

The month with the warmest seawater in Kenai, Alaska, is August, with an average ocean temperature of 53.4°F (11.9°C).

How cold is the water in August in Kenai?

In Kenai, in August, the average water temperature is 53.4°F (11.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in August in Kenai?

In Kenai, the average day length in August is 15h and 37min.

When is the sunrise / sunset in August in Kenai?

On the first day of August, sunrise is at 5:43 am and sunset at 10:39 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 9:13 pm AKDT.

How many hours of sunshine does Kenai have in August?

In Kenai, the average sunshine duration in August is 8.7h.

What is the UV index intensity in August in Kenai?

The average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Kenai, AK

Average temperature in August - Kenai, AK
  • Average high temperature in August: 59.7°F

The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in August: 50.7°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in August
Kenai, AK

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

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in August
Kenai, AK

Average wind speed in August - Kenai, AK
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in August
Kenai, AK

Average humidity in August - Kenai, AK
  • Average humidity in August: 79%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in August
Kenai, AK

Average rainfall in August - Kenai, AK
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").

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Average rainfall days in August
Kenai, AK

Average rainfall days in August - Kenai, AK
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in August
Kenai, AK

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

The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in August
Kenai, AK

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

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in August
Kenai, AK

Average sea temperature in August - Kenai, AK
  • Average sea temperature in August: 53.4°F

The best month for swimming (with the highest average sea temperature) is August (53.4°F).
The coldest month (with the lowest average sea temperature) is February (34.2°F).

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

Average daylight in August / Average sunshine in August - Kenai, AK
  • Average daylight in August: 15h and 37min

The month with the longest days is June (Average daylight: 18h and 56min).
The month with the shortest days is December (Average daylight: 5h and 52min).

  • Average sunshine in August: 8h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

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Average sunshine days in August
Kenai, AK

Average sunshine days in August - Kenai, AK
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).

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Average UV index in August
Kenai, AK

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

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in August
Kenai, AK

Average cloud cover in August - Kenai, AK
  • Average cloud cover in August: 50

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).

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Average visibility in August
Kenai, AK

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

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

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