August weather forecast and climate
Katalla, AK

Weather in August

August, the last month of the summer, in Katalla, is another mild month, with average temperature fluctuating between 57.7°F (14.3°C) and 50°F (10°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderate 57.7°F (14.3°C). In August, in Katalla, the average low-temperature is 50°F (10°C).

Humidity

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

Rainfall

In Katalla, during August, the rain falls for 21 days and regularly aggregates up to 6.65" (169mm) of precipitation. In Katalla, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.

Snowfall

In Katalla snow does not fall in June through September.

Daylight

The average length of the day in August is 15.5h.

Sunshine

The average sunshine in Katalla is 6h.

UV index

In Katalla, Alaska, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in August interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the most humid month in Katalla?

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

What is the average humidity in August in Katalla?

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

How many days does it rain in August in Katalla?

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

When it does not snow in Katalla?

June through September are months without snowfall.

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

In Katalla, Alaska, the average length of the day in August is 15.5h.

How long on average sun shines in August in Katalla?

In Katalla, the average sunshine in August is 6h.

What is the UV index reading in August in Katalla?

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

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"

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

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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").
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).
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: 15.5h

The month with the longest days is June (Average daylight: 18.8h).
The month with the shortest days is December (Average daylight: 6h).

  • Average sunshine in August: 6h

Months with the most sunshine are May, June and July (Average sunshine: 7.6h).
The month with the least sunshine is December (Average sunshine: 2.1h).

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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).
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

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

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