August weather forecast and climate
Old Harbor, AK

Weather in August

August, the last month of the summer, in Old Harbor, is also a moderate month, with temperature in the range of an average high of 57.6°F (14.2°C) and an average low of 50.7°F (10.4°C).

Temperature

The warmest month is August, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 50.7°F (10.4°C).

Humidity

In Old Harbor, the average relative humidity is 85%.

Rainfall

In Old Harbor, during 15.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Old Harbor, during the entire year, the rain falls for 171.2 days and collects up to 37.32" (948mm) of precipitation.

Snowfall

In Old Harbor snow does not fall in June through August.

Daylight

In Old Harbor, the average length of the day is 15.1h.

Sunshine

In Old Harbor, the average sunshine in August is 7.6h.

UV index

June through September, with an average maximum UV index of 3, are months with the highest UV index in Old Harbor. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in August interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 warmest month in Old Harbor?

August is the warmest month in Old Harbor, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 50.7°F (10.4°C).

What is the temperature in August in Old Harbor?

The average high-temperature, in August, in Old Harbor, Alaska, is 57.6°F (14.2°C), while the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in August in Old Harbor?

The average relative humidity in August in Old Harbor is 85%.

How much does it rain in Old Harbor in August?

In August, the rain falls for 15.1 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

Does it snow in Old Harbor in August?

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

When it does not snow in Old Harbor?

In Old Harbor snow does not fall in June through August.

What is the average length of the day in August in Old Harbor?

In Old Harbor, the average length of the day in August is 15.1h.

How many hours of sunshine does Old Harbor have in August?

The average sunshine in August in Old Harbor, Alaska, is 7.6h.

What is the month with the highest UV index in Old Harbor?

June through September, with an average maximum UV index of 3, are months with the highest UV index in Old Harbor.

How high is the UV index in August in Old Harbor?

In August, the average daily maximum UV index in Old Harbor is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in August
Old Harbor, AK

Average temperature in August - Old Harbor, AK
  • Average high temperature in August: 57.6°F

The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 50.7°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).

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Average pressure in August
Old Harbor, AK

Average pressure in August - Old Harbor, AK
  • Average pressure in August: 29.86"

The month with the highest atmospheric pressure is July (29.98").
The month with the lowest atmospheric pressure is December (29.55").

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Average wind speed in August
Old Harbor, AK

Average wind speed in August - Old Harbor, AK
  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in August
Old Harbor, AK

Average humidity in August - Old Harbor, AK
  • Average humidity in August: 85%

The month with the highest relative humidity is July (86%).
Months with the lowest relative humidity are March and November (80%).

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Average rainfall in August
Old Harbor, AK

Average rainfall in August - Old Harbor, AK
  • Average rainfall in August: 2.6"

The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").

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Average rainfall days in August
Old Harbor, AK

Average rainfall days in August - Old Harbor, AK
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).

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Average snowfall in August
Old Harbor, AK

Average snowfall in August - Old Harbor, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.15").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Old Harbor, AK

Average snowfall days in August - Old Harbor, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (8.5 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
Old Harbor, AK

Average daylight in August / Average sunshine in August - Old Harbor, AK
  • Average daylight in August: 15.1h

The month with the longest days is June (Average daylight: 17.8h).
The month with the shortest days is December (Average daylight: 6.8h).

  • Average sunshine in August: 7.6h

The month with the most sunshine is July (Average sunshine: 8.3h).
Months with the least sunshine are January and December (Average sunshine: 2.6).

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Average sunshine days in August
Old Harbor, AK

Average sunshine days in August - Old Harbor, AK
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).

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Average UV index in August
Old Harbor, AK

Average UV index in August - Old Harbor, AK
  • Average UV index in August: 3

Months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in August
Old Harbor, AK

Average cloud cover in August - Old Harbor, AK
  • Average cloud cover in August: 53

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).

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Average visibility in August
Old Harbor, AK

Average visibility in August - Old Harbor, AK
  • Average visibility in August: 6mi

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

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