October weather forecast
Katalla, AK

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Weather in October

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

Temperature

A shift in Katalla's weather is observed as September turns into October, with the average high temperature reducing from a fresh 52.5°F (11.4°C) to a frosty 43.3°F (6.3°C). October sees a slight dip to an average low temperature of 37.9°F (3.3°C) from the daytime highs.

Humidity

In October, the average relative humidity is 79%.

Rainfall

October is the month with the most rainfall. Rain falls for 20.3 days and accumulates 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. Throughout the year, there are 66.1 snowfall days, and 74.57" (1894mm) of snow is accumulated.

Daylight

In Katalla, Alaska, the average length of the day in October is 10h and 4min.
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.

Sunshine

The average sunshine in October in Katalla is 3.7h.

UV index

In Katalla, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in October translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is October?

Katalla in October has an average high-temperature of 43.3°F (6.3°C) and an average 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?

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.

How many days does it rain in October?

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

When does it start to snow?

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

How many hours of daylight does Katalla have in October?

In Katalla, the average day length in October is 10h and 4min.

When are sunrise and sunset in October?

In October, on the first day of the month, 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 October, the average sunshine duration is 3.7h.

What is the UV index intensity in October?

In October, the average daily maximum UV index in Katalla is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Katalla, Alaska, USA

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