August weather forecast
Galena, AK

Weather in August

The last month of the summer, August, is another mild month in Galena, Alaska, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 60.4°F (15.8°C).

Temperature

In August, the average high-temperature marginally drops, from a comfortable 67.3°F (19.6°C) in July, to a mild 60.4°F (15.8°C). The average low-temperature, in Galena, is 45°F (7.2°C).

Humidity

The average relative humidity in August is 78%.

Rainfall

The month with the most rainfall is August when the rain falls for 19 days and typically aggregates up to 2.05" (52mm) of precipitation.

Snowfall

In Galena, Alaska, snow does not fall in June through August.

Daylight

In August, the average length of the day is 16.4h.

Sunshine

In Galena, the average sunshine is 7.3h.

UV index

In August, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in August in Galena?

In Galena, Alaska, the average relative humidity in August is 78%.

What is the wettest month in Galena?

The month with the most rainfall in Galena is August when the rain falls for 19 days and typically aggregates up to 2.05" (52mm) of precipitation.

How many days does it rain in August in Galena?

In August, in Galena, the rain falls for 19 days. Throughout August, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Galena?

In Galena, Alaska, snow does not fall in June through August.

Does it snow in Galena in August?

In Galena, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Galena have in August?

The average length of the day in August in Galena is 16.4h.

How many hours of sunshine does Galena have in August?

In Galena, the average sunshine in August is 7.3h.

What is the UV index intensity in August in Galena?

In August, the average daily maximum UV index in Galena is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Galena, AK

Average temperature in August - Galena, AK
  • Average high temperature in August: 60.4°F

The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).

  • Average low temperature in August: 45°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).

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Average pressure in August
Galena, AK

Average pressure in August - Galena, AK
  • Average pressure in August: 29.83"

The month with the highest atmospheric pressure is February (29.93").
Months with the lowest atmospheric pressure are September and October (29.76").

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Average wind speed in August
Galena, AK

Average wind speed in August - Galena, AK
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

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Average humidity in August
Galena, AK

Average humidity in August - Galena, AK
  • Average humidity in August: 78%

Months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).

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Average rainfall in August
Galena, AK

Average rainfall in August - Galena, AK
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in August
Galena, AK

Average rainfall days in August - Galena, AK
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is August (19 days).
Months with the least rainy days are January and February (2.3 days).

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Average snowfall in August
Galena, AK

Average snowfall in August - Galena, AK
  • Average snowfall in August: 0"

The month with the highest snowfall is December (8.62").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Galena, AK

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

The month with the highest number of snowfall days is March (20.3 days).
Months with the least snowfall days are June and July (0 days).

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

Average daylight in August / Average sunshine in August - Galena, AK
  • Average daylight in August: 16.4h

The month with the longest days is June (Average daylight: 21.4h).
The month with the shortest days is December (Average daylight: 4h).

  • Average sunshine in August: 7.3h

The month with the most sunshine is May (Average sunshine: 8.1h).
The month with the least sunshine is December (Average sunshine: 2.3h).

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Average sunshine days in August
Galena, AK

Average sunshine days in August - Galena, AK
  • Average sunshine days in August: 9.2 days

The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).

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Average UV index in August
Galena, AK

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

Months with the highest UV index are May, June and July (UV index 4).
Months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in August
Galena, AK

Average cloud cover in August - Galena, AK
  • Average cloud cover in August: 61

The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).

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Average visibility in August
Galena, AK

Average visibility in August - Galena, AK
  • Average visibility in August: 5mi

Months with the highest visibility are June and July (6mi).
Months with the lowest visibility are January, February, March, April and December (2mi).

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