August weather forecast
Katalla, AK

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Weather in August

The last month of the summer, August, is also a moderate month in Katalla, Alaska, with an average temperature fluctuating between 57.7°F (14.3°C) and 50°F (10°C).

Temperature

The average high-temperature for August is a still refreshing 57.7°F (14.3°C), closely aligning with the temperature of the preceding month. Katalla's nighttime average temperature in August subtly descends to a cool 50°F (10°C) from the daily highs.

Humidity

The most humid month in Katalla is August, with an average relative humidity of 84%.

Rainfall

In Katalla, Alaska, during August, the rain falls for 21 days and regularly aggregates up to 6.65" (169mm) of precipitation. Throughout the year, in Katalla, there are 191.3 rainfall days, and 72.4" (1839mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in Katalla is 15h and 34min.
On the first day of August, sunrise is at 5:20 am and sunset at 10:08 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:43 pm AKDT.

Sunshine

The average sunshine in August in Katalla is 6h.

UV index

The average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: During August, 3 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average August temperature in Katalla?

August temperatures in Katalla vary between a high-temperature of 57.7°F (14.3°C) and a low-temperature of 50°F (10°C).

What is the most humid month in Katalla?

With an average relative humidity of 84%, August is the most humid month.

What is the average humidity in August in Katalla?

In August, the average relative humidity in Katalla, Alaska, is 84%.

How much does it rain in Katalla in August?

In Katalla, in August, during 21 rainfall days, 6.65" (169mm) of precipitation is typically accumulated.

When it does not snow in Katalla?

In Katalla, Alaska, snow does not fall in June through September.

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

In August, the average day length in Katalla, Alaska, is 15h and 34min.

What time are sunrise and sunset in August in Katalla?

On the first day of August, sunrise is at 5:20 am and sunset at 10:08 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:43 pm AKDT.

How many hours of sunshine does Katalla have in August?

The average sunshine duration in August in Katalla is 6h.

What is the UV index reading in August in Katalla?

The average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Katalla, AK

Average temperature in August - Katalla, AK
  • Average high temperature in August: 57.7°F

The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in August: 50°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in August
Katalla, AK

Average pressure in August - Katalla, AK
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

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Average wind speed in August
Katalla, AK

Average wind speed in August - Katalla, AK
  • Average wind speed in August: 6.2mph

The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).

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Average humidity in August
Katalla, AK

Average humidity in August - Katalla, AK
  • Average humidity in August: 84%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in August
Katalla, AK

Average rainfall in August - Katalla, AK
  • Average rainfall in August: 6.65"

The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").

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Average rainfall days in August
Katalla, AK

Average rainfall days in August - Katalla, AK
  • Average rainfall days in August: 21 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).

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Average snowfall in August
Katalla, AK

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

The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Katalla, AK

Average snowfall days in August - Katalla, AK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Katalla, AK
  • Average daylight in August: 15h and 4min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in August: 6h and 0min

The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average sunshine days in August
Katalla, AK

Average sunshine days in August - Katalla, AK
  • Average sunshine days in August: 8.1 days

The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).

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Average UV index in August
Katalla, AK

Average UV index in August - Katalla, 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 November and December (UV index 1).

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Average cloud cover in August
Katalla, AK

Average cloud cover in August - Katalla, AK
  • Average cloud cover in August: 65

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).

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Average visibility in August
Katalla, AK

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

The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).

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Katalla, Alaska, USA

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