August weather - Summer 2024

Weather in August
Frequently asked questions
Average temperature in August
Average pressure in August
Average wind speed in August
Average humidity in August
Average rainfall in August
Average rainfall days in August
Average snowfall in August
Average snowfall days in August
Average sea temperature in August
Average daylight in August
Average sunshine in August
Average sunshine days in August
Average UV index in August
Average cloud cover in August
Average visibility in August

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 transition from July to August sees an average high-temperature of a fresh 55°F (12.8°C), indicating a minor variance from the prior month. During August, the temperature is averaged to a low of 44.1°F (6.7°C) at night.

Humidity

In August, the average relative humidity is 84%.

Rainfall

In August, 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

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

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) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In Haines, the average length of the day in August 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, 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

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 unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 in August translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In Haines, in August, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 44.1°F (6.7°C).

What is the average humidity in August?

The average relative humidity in August is 84%.

How much does it rain in August?

In August, the rain falls for 19.6 days. Throughout August, 4.13" (105mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

When is the ocean warmest?

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

What is the water temperature in August?

In August, the average ocean temperature 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, sunrise is at 5:58 am and sunset at 8:04 pm AKDT.

How many hours of sunshine does Haines have in August?

In August, the average sunshine duration is 7h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J August S O N D

Jul

August

Sep

Average high temperature

56.5°F 13.6°C

55°F 12.8°C

47.3°F 8.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.5mph 8.9km/h

5.7mph 9.2km/h

5.9mph 9.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

8.1

8.8

8.2

Average UV index

Average cloud cover

Average visibility

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

August weather forecast
Haines, AK

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