October weather forecast
Katalla, AK

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Weather in October

October, the same as September, in Katalla, Alaska, is a frosty autumn month, with an average temperature varying between 37.9°F (3.3°C) and 43.3°F (6.3°C).

Temperature

The start of October signals a decrease in the average high-temperature, transitioning from a fresh 52.5°F (11.4°C) in September to a chilly 43.3°F (6.3°C). Katalla registers a gentle descent to an average nighttime low of 37.9°F (3.3°C) in October from its daytime highs.

Humidity

In October, the average relative humidity in Katalla is 79%.

Rainfall

The month with the most rainfall is October, when the rain falls for 20.3 days and typically aggregates up to 9.09" (231mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.51" (13mm) of snow. In Katalla, during the entire year, snow falls for 66.1 days and aggregates up to 74.57" (1894mm) of snow.

Daylight

In Katalla, the average length of the day in October is 10h and 4min.
On the first day of October in Katalla, sunrise is at 7:46 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 9:01 am and sunset at 5:42 pm AKDT.

Sunshine

In Katalla, Alaska, the average sunshine in October is 3.7h.

UV index

The average daily maximum UV index in October in Katalla, Alaska, is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 2 in October leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

Is October cold in Katalla?

October temperatures vary between a high-temperature of 43.3°F (6.3°C) and a low-temperature of 37.9°F (3.3°C).

What is the average humidity in October in Katalla?

The average relative humidity in October is 79%.

What is the wettest month in Katalla?

The month with the most rainfall in Katalla is October, when the rain falls for 20.3 days and typically aggregates up to 9.09" (231mm) of precipitation.

How many days does it rain in October in Katalla?

In October, the rain falls for 20.3 days. Throughout October, 9.09" (231mm) of precipitation is accumulated.

When does it start snowing in Katalla?

October is the first month it typically snows in Katalla. Throughout October, in the average 1 snowfall days, it receives 0.51" (13mm) of snow.

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

The average day length in October in Katalla is 10h and 4min.

When is the sunrise / sunset in October in Katalla?

On the first day of October, sunrise is at 7:46 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 9:01 am and sunset at 5:42 pm AKDT.

How long on average sun shines in October in Katalla?

The average sunshine duration in October in Katalla is 3.7h.

What is the UV index intensity in October in Katalla?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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 October
Katalla, AK

Average temperature in October - Katalla, AK
  • Average high temperature in October: 43.3°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 October: 37.9°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 October
Katalla, AK

Average pressure in October - Katalla, AK
  • Average pressure in October: 29.72"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 October
Katalla, AK

Average wind speed in October - Katalla, AK
  • Average wind speed in October: 9.3mph

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 October
Katalla, AK

Average humidity in October - Katalla, AK
  • Average humidity in October: 79%

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 October
Katalla, AK

Average rainfall in October - Katalla, AK
  • Average rainfall in October: 9.09"

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 October
Katalla, AK

Average rainfall days in October - Katalla, AK
  • Average rainfall days in October: 20.3 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 October
Katalla, AK

Average snowfall in October - Katalla, AK
  • Average snowfall in October: 0.51"

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 October
Katalla, AK

Average snowfall days in October - Katalla, AK
  • Average snowfall days in October: 1 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 October /
Average sunshine in October
Katalla, AK

Average daylight in October / Average sunshine in October - Katalla, AK
  • Average daylight in October: 10h and 1min

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 October: 3h and 4min

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 October
Katalla, AK

Average sunshine days in October - Katalla, AK
  • Average sunshine days in October: 9.1 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 October
Katalla, AK

Average UV index in October - Katalla, AK
  • Average UV index in October: 2

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 October
Katalla, AK

Average cloud cover in October - Katalla, AK
  • Average cloud cover in October: 62

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 October
Katalla, AK

Average visibility in October - Katalla, AK
  • Average visibility in October: 6mi

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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