August weather forecast
Haines, AK

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Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers
Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers

Weather in August

August ushers in the closing stage of summer, with temperature highs slightly dipping from July's peak. Alaska's spectacular landscapes offer plenty of sunlight to enjoy, with abundant rainfall keeping everything lush and green. A good mix of warm temperatures and rainfall provide the Haines area with a vivacious outlook. As summer starts to wane, the town begins to witness some of the most breathtaking sunsets of the year. The longer daylight, balmy breezes, and the occasional shower create an idyllic setting for outdoor activities.

Temperature

The beginning of August records an average high-temperature of a cool 55°F (12.8°C), almost echoing the conditions of the previous month. In Haines, the average low-temperature during the month of August is a chilly 44.1°F (6.7°C).

Humidity

In Haines, the average relative humidity in August is 84%.

Rainfall

In August, in Haines, the rain falls for 19.6 days. Throughout August, 4.13" (105mm) of precipitation is accumulated. In Haines, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

With an average ocean temperature of 53.2°F (11.8°C), August is the month with the warmest seawater.
Note: Swimming in 53.2°F (11.8°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

In August, the average length of the day in Haines is 15h and 25min.
On the first day of the month, sunrise is at 4:49 am and sunset at 9:26 pm. On the last day of August, in Haines, sunrise is at 5:58 am and sunset at 8:04 pm AKDT.

Sunshine

The average sunshine in August in Haines is 7h.

UV index

In Haines, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in August transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are August temperatures in Haines?

The high-temperature, in August, in Haines, records 55°F (12.8°C), while the low-temperature is 44.1°F (6.7°C).

What is the average humidity in August in Haines?

In Haines, the average relative humidity in August is 84%.

How many days does it rain in August in Haines?

In Haines, during August, the rain falls for 19.6 days and regularly aggregates up to 4.13" (105mm) of precipitation.

When it does not snow in Haines?

In Haines, snow does not fall in June through September.

What month is the ocean warmest in Haines?

August is the month with the warmest seawater in Haines, Alaska, with an average ocean temperature of 53.2°F (11.8°C).

What is the ocean temperature in August in Haines?

In August, the average ocean temperature in Haines, Alaska, is 53.2°F (11.8°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.

How many hours of daylight does Haines have in August?

In Haines, Alaska, the average day length in August is 15h and 25min.

What time are sunrise and sunset in August in Haines?

In August, on the first day of the month, sunrise is at 4:49 am and sunset at 9:26 pm. On the last day of the month, in Haines, Alaska, sunrise is at 5:58 am and sunset at 8:04 pm AKDT.

How many hours of sunshine does Haines have in August?

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

What is the UV index intensity in August in Haines?

In August, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Haines, AK

Average temperature in August - Haines, 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
Haines, AK

Average pressure in August - Haines, 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
Haines, AK

Average wind speed in August - Haines, 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
Haines, AK

Average humidity in August - Haines, 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
Haines, AK

Average rainfall in August - Haines, 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
Haines, AK

Average rainfall days in August - Haines, 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
Haines, AK

Average snowfall in August - Haines, 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
Haines, AK

Average snowfall days in August - Haines, 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 sea temperature in August
Haines, AK

Average sea temperature in August - Haines, AK
  • Average sea temperature in August: 53.1°F

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).

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

Average daylight in August / Average sunshine in August - Haines, AK
  • Average daylight in August: 15h and 2min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • 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
Haines, AK

Average sunshine days in August - Haines, 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
Haines, AK

Average UV index in August - Haines, 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
Haines, AK

Average cloud cover in August - Haines, 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
Haines, AK

Average visibility in August - Haines, 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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Haines, Alaska, USA

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