August weather forecast
Fairbanks, AK

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The scenic Fairbanks City in Alaska, seen from across the Chena River
The scenic Fairbanks City in Alaska, seen from across the Chena River

Weather in August

August signals the approach of the fall season in Fairbanks as temperatures begin to drop. The city witnesses its highest rainfall during the year, accounting for a significant 2.44" (62mm). Although the weather patterns subtly hint at the upcoming fall, the temperature remains on the warmer side. August experiences cooler nights, foreshadowing the incoming autumn season.

Temperature

The start of August involves a subtle temperature drop, shifting from a pleasant 70.7°F (21.5°C) in July to an enjoyable 63.9°F (17.7°C). Fairbanks's average low-temperature is measured at a frosty 45.3°F (7.4°C) during August.

Humidity

In Fairbanks, the average relative humidity in August is 71%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.4 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

January through May, August through December are months with snowfall. August is the first month it typically snows in Fairbanks. Throughout August, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Fairbanks, Alaska, during the entire year, snow falls for 74.3 days and aggregates up to 24.49" (622mm) of snow.

Daylight

In Fairbanks, the average length of the day in August is 16h and 26min.
On the first day of the month, sunrise is at 4:54 am and sunset at 11:00 pm. On the last day of August, in Fairbanks, sunrise is at 6:30 am and sunset at 9:10 pm AKDT.

Sunshine

In August, the average sunshine is 9.5h.

UV index

The average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 in August translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are August temperatures in Fairbanks?

During August, Fairbanks experiences an average high-temperature of 63.9°F (17.7°C) and a low-temperature of 45.3°F (7.4°C).

What is the average humidity in August in Fairbanks?

The average relative humidity in August in Fairbanks is 71%.

What is the rainiest month in Fairbanks?

The month with the most rainfall in Fairbanks is August, when the rain falls for 16.4 days and typically aggregates up to 2.44" (62mm) of precipitation.

How much does it rain in Fairbanks in August?

In Fairbanks, Alaska, in August, it is raining for 16.4 days, with typically 2.44" (62mm) of accumulated precipitation.

When does it start snowing in Fairbanks?

August is the first month it typically snows. Throughout August, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

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

In Fairbanks, Alaska, the average day length in August is 16h and 26min.

When is the sunrise / sunset in August in Fairbanks?

On the first day of August, sunrise is at 4:54 am and sunset at 11:00 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 9:10 pm AKDT.

How many hours of sunshine does Fairbanks have in August?

The average sunshine duration in August in Fairbanks is 9.5h.

How high is the UV index in August in Fairbanks?

In August, the average daily maximum UV index in Fairbanks, Alaska, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Fairbanks, AK

Average temperature in August - Fairbanks, AK
  • Average high temperature in August: 63.9°F

The warmest month (with the highest average high temperature) is July (70.7°F).
The month with the lowest average high temperature is January (2.1°F).

  • Average low temperature in August: 45.3°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-9°F).

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Average pressure in August
Fairbanks, AK

Average pressure in August - Fairbanks, AK
  • Average pressure in August: 29.83"Hg

The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).

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Average wind speed in August
Fairbanks, AK

Average wind speed in August - Fairbanks, AK
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is May (5mph).
The calmest months (with the lowest average wind speed) are October, November and December (4.2mph).

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Average humidity in August
Fairbanks, AK

Average humidity in August - Fairbanks, AK
  • Average humidity in August: 71%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (56%).

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Average rainfall in August
Fairbanks, AK

Average rainfall in August - Fairbanks, AK
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in August
Fairbanks, AK

Average rainfall days in August - Fairbanks, AK
  • Average rainfall days in August: 16.4 days

The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in August
Fairbanks, AK

Average snowfall in August - Fairbanks, AK
  • Average snowfall in August: 0.04"

The month with the highest snowfall is November (6.5").
The months with the least snowfall are June and July (0").

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Average snowfall days in August
Fairbanks, AK

Average snowfall days in August - Fairbanks, AK
  • Average snowfall days in August: 0.1 days

The month with the highest number of snowfall days is November (13.3 days).
The months with the least snowfall days are June and July (0 days).

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

Average daylight in August / Average sunshine in August - Fairbanks, AK
  • Average daylight in August: 16h and 2min

The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).

  • Average sunshine in August: 9h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

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Average sunshine days in August
Fairbanks, AK

Average sunshine days in August - Fairbanks, AK
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.2 days).

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Average UV index in August
Fairbanks, AK

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in August
Fairbanks, AK

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

The months with the most cloud cover are March, April and November (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 39).

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Average visibility in August
Fairbanks, AK

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Fairbanks, Alaska, USA

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