Contents
- 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 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
Weather in August
Temperature
In Port Graham, the months of July and August register the highest average temperatures, peaking at 55.9°F (13.3°C).Humidity
July and August, with an average relative humidity of 84%, are the most humid months.Rainfall
In Port Graham, in August, it is raining for 16.7 days, with typically 2.83" (72mm) of accumulated precipitation. In Port Graham, Alaska, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.Snowfall
In Port Graham, snow does not fall in June through August.Daylight
In Port Graham, the average length of the day in August is 15h and 26min.On the first day of August, sunrise is at 5:54 am and sunset at 10:32 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 9:10 pm AKDT.
Sunshine
The average sunshine in August is 7.9h.UV index
The average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In August, the maximum UV index of 3 suggests this advice:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What are August temperatures?
What are the most humid months?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
Does it snow in August?
How many hours of daylight does Port Graham have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Port Graham have in August?
How high is the UV index in August?
Average temperature in August
Port Graham, AK
- Average high temperature in August: 55.9°F
The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in August: 50.4°F
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in August
Port Graham, 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 (29.6"Hg).
Average wind speed in August
Port Graham, AK
- Average wind speed in August: 7.3mph
The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).
Average humidity in August
Port Graham, AK
- Average humidity in August: 84%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).
Average rainfall in August
Port Graham, AK
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").
Average rainfall days in August
Port Graham, AK
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in August
Port Graham, AK
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Port Graham, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Port Graham, 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 12min).
- Average sunshine in August: 7h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in August
Port Graham, AK
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in August
Port Graham, 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 January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in August
Port Graham, AK
- Average cloud cover in August: 52
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in August
Port Graham, AK
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Graham, Alaska, USA
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