Fairbanks
Alaska, USA
Long-term weather forecast
Long-term weather forecast
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August weather forecast and Climate
Fairbanks, AK

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August has lovely summer days in Fairbanks, Alaska, with the average temperatures in the mild 46°F (7.8°C) to warm 66°F (18.9°C) zone. The 16-hour days have 9 hours of temperate sunshine that keeps tourists rooted in the city. The skies are mostly clear except for scattered showers that register 1.9" (48.3mm) in August.
The river waters are picturesque in the background of the snow-capped mountains. Fishing and boating are a favorite past time for locals and tourists alike. The transition to the fall season occurs by the last week of August. Long-sleeved shirts and pants are suitable during August in Fairbanks.
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  • The average high temperature in August: 65.9°F

The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is January (1.1°F).

  • The average low temperature in August: 46.4°F

The month with the highest average low temperature is July (52.3°F).
The coldest month (with the lowest average low temperature) is January (-16.9°F).

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  • The average humidity in August: 70.8%

The month with the highest relative humidity is October (74.1%).
The month with the lowest relative humidity is May (50.2%).

  • The average rainfall in August: 1.9"

The wettest month (with the highest rainfall) is July (2.2").
Driest months (with the lowest rainfall) are March and April (0.3").

  • The average rainfall days in August: 13.3 days

The month with the highest number of rainy days is August (13.3 days).
The month with the lowest number of rainy days is April (3.6 days).

  • The average snowfall in August: 0"

The month with the highest snowfall is November (13.2").
Months with the lowest snowfall are June, July and August (0").

  • The average snowfall days in August: 0 days

The month with the highest number of snowfall days is November (11.9 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

  • The average daylight in August: 16h

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

  • The average sunshine in August: 5.3h

The month with most sunshine is June (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 1.2h).

  • The average UV index in August: 3

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 0).

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